external/bsd/libc++/dist/libcxx/test/numerics/c.math/cmath.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 // <cmath>
  11
  12 #include <cmath>
  13 #include <type_traits>
  14 #include <cassert>
  15
  16 #include "hexfloat.h"
  17
  18 void test_abs()
  19 {
  20     static_assert((std::is_same<decltype(std::abs((float)0)), float>::value), "");
  21     static_assert((std::is_same<decltype(std::abs((double)0)), double>::value), "");
  22     static_assert((std::is_same<decltype(std::abs((long double)0)), long double>::value), "");
  23     assert(std::abs(-1.) == 1);
  24 }
  25
  26 void test_acos()
  27 {
  28     static_assert((std::is_same<decltype(std::acos((float)0)), float>::value), "");
  29     static_assert((std::is_same<decltype(std::acos((bool)0)), double>::value), "");
  30     static_assert((std::is_same<decltype(std::acos((unsigned short)0)), double>::value), "");
  31     static_assert((std::is_same<decltype(std::acos((int)0)), double>::value), "");
  32     static_assert((std::is_same<decltype(std::acos((unsigned int)0)), double>::value), "");
  33     static_assert((std::is_same<decltype(std::acos((long)0)), double>::value), "");
  34     static_assert((std::is_same<decltype(std::acos((unsigned long)0)), double>::value), "");
  35     static_assert((std::is_same<decltype(std::acos((long long)0)), double>::value), "");
  36     static_assert((std::is_same<decltype(std::acos((unsigned long long)0)), double>::value), "");
  37     static_assert((std::is_same<decltype(std::acos((double)0)), double>::value), "");
  38     static_assert((std::is_same<decltype(std::acos((long double)0)), long double>::value), "");
  39     static_assert((std::is_same<decltype(std::acosf(0)), float>::value), "");
  40     static_assert((std::is_same<decltype(std::acosl(0)), long double>::value), "");
  41     assert(std::acos(1) == 0);
  42 }
  43
  44 void test_asin()
  45 {
  46     static_assert((std::is_same<decltype(std::asin((float)0)), float>::value), "");
  47     static_assert((std::is_same<decltype(std::asin((bool)0)), double>::value), "");
  48     static_assert((std::is_same<decltype(std::asin((unsigned short)0)), double>::value), "");
  49     static_assert((std::is_same<decltype(std::asin((int)0)), double>::value), "");
  50     static_assert((std::is_same<decltype(std::asin((unsigned int)0)), double>::value), "");
  51     static_assert((std::is_same<decltype(std::asin((long)0)), double>::value), "");
  52     static_assert((std::is_same<decltype(std::asin((unsigned long)0)), double>::value), "");
  53     static_assert((std::is_same<decltype(std::asin((long long)0)), double>::value), "");
  54     static_assert((std::is_same<decltype(std::asin((unsigned long long)0)), double>::value), "");
  55     static_assert((std::is_same<decltype(std::asin((double)0)), double>::value), "");
  56     static_assert((std::is_same<decltype(std::asin((long double)0)), long double>::value), "");
  57     static_assert((std::is_same<decltype(std::asinf(0)), float>::value), "");
  58     static_assert((std::is_same<decltype(std::asinl(0)), long double>::value), "");
  59     assert(std::asin(0) == 0);
  60 }
  61
  62 void test_atan()
  63 {
  64     static_assert((std::is_same<decltype(std::atan((float)0)), float>::value), "");
  65     static_assert((std::is_same<decltype(std::atan((bool)0)), double>::value), "");
  66     static_assert((std::is_same<decltype(std::atan((unsigned short)0)), double>::value), "");
  67     static_assert((std::is_same<decltype(std::atan((int)0)), double>::value), "");
  68     static_assert((std::is_same<decltype(std::atan((unsigned int)0)), double>::value), "");
  69     static_assert((std::is_same<decltype(std::atan((long)0)), double>::value), "");
  70     static_assert((std::is_same<decltype(std::atan((unsigned long)0)), double>::value), "");
  71     static_assert((std::is_same<decltype(std::atan((long long)0)), double>::value), "");
  72     static_assert((std::is_same<decltype(std::atan((unsigned long long)0)), double>::value), "");
  73     static_assert((std::is_same<decltype(std::atan((double)0)), double>::value), "");
  74     static_assert((std::is_same<decltype(std::atan((long double)0)), long double>::value), "");
  75     static_assert((std::is_same<decltype(std::atanf(0)), float>::value), "");
  76     static_assert((std::is_same<decltype(std::atanl(0)), long double>::value), "");
  77     assert(std::atan(0) == 0);
  78 }
  79
  80 void test_atan2()
  81 {
  82     static_assert((std::is_same<decltype(std::atan2((float)0, (float)0)), float>::value), "");
  83     static_assert((std::is_same<decltype(std::atan2((bool)0, (float)0)), double>::value), "");
  84     static_assert((std::is_same<decltype(std::atan2((unsigned short)0, (double)0)), double>::value), "");
  85     static_assert((std::is_same<decltype(std::atan2((int)0, (long double)0)), long double>::value), "");
  86     static_assert((std::is_same<decltype(std::atan2((float)0, (unsigned int)0)), double>::value), "");
  87     static_assert((std::is_same<decltype(std::atan2((double)0, (long)0)), double>::value), "");
  88     static_assert((std::is_same<decltype(std::atan2((long double)0, (unsigned long)0)), long double>::value), "");
  89     static_assert((std::is_same<decltype(std::atan2((int)0, (long long)0)), double>::value), "");
  90     static_assert((std::is_same<decltype(std::atan2((int)0, (unsigned long long)0)), double>::value), "");
  91     static_assert((std::is_same<decltype(std::atan2((double)0, (double)0)), double>::value), "");
  92     static_assert((std::is_same<decltype(std::atan2((long double)0, (long double)0)), long double>::value), "");
  93     static_assert((std::is_same<decltype(std::atan2((float)0, (double)0)), double>::value), "");
  94     static_assert((std::is_same<decltype(std::atan2((float)0, (long double)0)), long double>::value), "");
  95     static_assert((std::is_same<decltype(std::atan2((double)0, (long double)0)), long double>::value), "");
  96     static_assert((std::is_same<decltype(std::atan2f(0,0)), float>::value), "");
  97     static_assert((std::is_same<decltype(std::atan2l(0,0)), long double>::value), "");
  98     static_assert((std::is_same<decltype(std::atan2((int)0, (int)0)), double>::value), "");
  99     assert(std::atan2(0,1) == 0);
 100 }
 101
 102 void test_ceil()
 103 {
 104     static_assert((std::is_same<decltype(std::ceil((float)0)), float>::value), "");
 105     static_assert((std::is_same<decltype(std::ceil((bool)0)), double>::value), "");
 106     static_assert((std::is_same<decltype(std::ceil((unsigned short)0)), double>::value), "");
 107     static_assert((std::is_same<decltype(std::ceil((int)0)), double>::value), "");
 108     static_assert((std::is_same<decltype(std::ceil((unsigned int)0)), double>::value), "");
 109     static_assert((std::is_same<decltype(std::ceil((long)0)), double>::value), "");
 110     static_assert((std::is_same<decltype(std::ceil((unsigned long)0)), double>::value), "");
 111     static_assert((std::is_same<decltype(std::ceil((long long)0)), double>::value), "");
 112     static_assert((std::is_same<decltype(std::ceil((unsigned long long)0)), double>::value), "");
 113     static_assert((std::is_same<decltype(std::ceil((double)0)), double>::value), "");
 114     static_assert((std::is_same<decltype(std::ceil((long double)0)), long double>::value), "");
 115     static_assert((std::is_same<decltype(std::ceilf(0)), float>::value), "");
 116     static_assert((std::is_same<decltype(std::ceill(0)), long double>::value), "");
 117     assert(std::ceil(0) == 0);
 118 }
 119
 120 void test_cos()
 121 {
 122     static_assert((std::is_same<decltype(std::cos((float)0)), float>::value), "");
 123     static_assert((std::is_same<decltype(std::cos((bool)0)), double>::value), "");
 124     static_assert((std::is_same<decltype(std::cos((unsigned short)0)), double>::value), "");
 125     static_assert((std::is_same<decltype(std::cos((int)0)), double>::value), "");
 126     static_assert((std::is_same<decltype(std::cos((unsigned int)0)), double>::value), "");
 127     static_assert((std::is_same<decltype(std::cos((long)0)), double>::value), "");
 128     static_assert((std::is_same<decltype(std::cos((unsigned long)0)), double>::value), "");
 129     static_assert((std::is_same<decltype(std::cos((long long)0)), double>::value), "");
 130     static_assert((std::is_same<decltype(std::cos((unsigned long long)0)), double>::value), "");
 131     static_assert((std::is_same<decltype(std::cos((double)0)), double>::value), "");
 132     static_assert((std::is_same<decltype(std::cos((long double)0)), long double>::value), "");
 133     static_assert((std::is_same<decltype(std::cosf(0)), float>::value), "");
 134     static_assert((std::is_same<decltype(std::cosl(0)), long double>::value), "");
 135     assert(std::cos(0) == 1);
 136 }
 137
 138 void test_cosh()
 139 {
 140     static_assert((std::is_same<decltype(std::cosh((float)0)), float>::value), "");
 141     static_assert((std::is_same<decltype(std::cosh((bool)0)), double>::value), "");
 142     static_assert((std::is_same<decltype(std::cosh((unsigned short)0)), double>::value), "");
 143     static_assert((std::is_same<decltype(std::cosh((int)0)), double>::value), "");
 144     static_assert((std::is_same<decltype(std::cosh((unsigned int)0)), double>::value), "");
 145     static_assert((std::is_same<decltype(std::cosh((long)0)), double>::value), "");
 146     static_assert((std::is_same<decltype(std::cosh((unsigned long)0)), double>::value), "");
 147     static_assert((std::is_same<decltype(std::cosh((long long)0)), double>::value), "");
 148     static_assert((std::is_same<decltype(std::cosh((unsigned long long)0)), double>::value), "");
 149     static_assert((std::is_same<decltype(std::cosh((double)0)), double>::value), "");
 150     static_assert((std::is_same<decltype(std::cosh((long double)0)), long double>::value), "");
 151     static_assert((std::is_same<decltype(std::coshf(0)), float>::value), "");
 152     static_assert((std::is_same<decltype(std::coshl(0)), long double>::value), "");
 153     assert(std::cosh(0) == 1);
 154 }
 155
 156 void test_exp()
 157 {
 158     static_assert((std::is_same<decltype(std::exp((float)0)), float>::value), "");
 159     static_assert((std::is_same<decltype(std::exp((bool)0)), double>::value), "");
 160     static_assert((std::is_same<decltype(std::exp((unsigned short)0)), double>::value), "");
 161     static_assert((std::is_same<decltype(std::exp((int)0)), double>::value), "");
 162     static_assert((std::is_same<decltype(std::exp((unsigned int)0)), double>::value), "");
 163     static_assert((std::is_same<decltype(std::exp((long)0)), double>::value), "");
 164     static_assert((std::is_same<decltype(std::exp((unsigned long)0)), double>::value), "");
 165     static_assert((std::is_same<decltype(std::exp((long long)0)), double>::value), "");
 166     static_assert((std::is_same<decltype(std::exp((unsigned long long)0)), double>::value), "");
 167     static_assert((std::is_same<decltype(std::exp((double)0)), double>::value), "");
 168     static_assert((std::is_same<decltype(std::exp((long double)0)), long double>::value), "");
 169     static_assert((std::is_same<decltype(std::expf(0)), float>::value), "");
 170     static_assert((std::is_same<decltype(std::expl(0)), long double>::value), "");
 171     assert(std::exp(0) == 1);
 172 }
 173
 174 void test_fabs()
 175 {
 176     static_assert((std::is_same<decltype(std::fabs((float)0)), float>::value), "");
 177     static_assert((std::is_same<decltype(std::fabs((bool)0)), double>::value), "");
 178     static_assert((std::is_same<decltype(std::fabs((unsigned short)0)), double>::value), "");
 179     static_assert((std::is_same<decltype(std::fabs((int)0)), double>::value), "");
 180     static_assert((std::is_same<decltype(std::fabs((unsigned int)0)), double>::value), "");
 181     static_assert((std::is_same<decltype(std::fabs((long)0)), double>::value), "");
 182     static_assert((std::is_same<decltype(std::fabs((unsigned long)0)), double>::value), "");
 183     static_assert((std::is_same<decltype(std::fabs((long long)0)), double>::value), "");
 184     static_assert((std::is_same<decltype(std::fabs((unsigned long long)0)), double>::value), "");
 185     static_assert((std::is_same<decltype(std::fabs((double)0)), double>::value), "");
 186     static_assert((std::is_same<decltype(std::fabs((long double)0)), long double>::value), "");
 187     static_assert((std::is_same<decltype(std::fabsf(0)), float>::value), "");
 188     static_assert((std::is_same<decltype(std::fabsl(0)), long double>::value), "");
 189     assert(std::fabs(-1) == 1);
 190 }
 191
 192 void test_floor()
 193 {
 194     static_assert((std::is_same<decltype(std::floor((float)0)), float>::value), "");
 195     static_assert((std::is_same<decltype(std::floor((bool)0)), double>::value), "");
 196     static_assert((std::is_same<decltype(std::floor((unsigned short)0)), double>::value), "");
 197     static_assert((std::is_same<decltype(std::floor((int)0)), double>::value), "");
 198     static_assert((std::is_same<decltype(std::floor((unsigned int)0)), double>::value), "");
 199     static_assert((std::is_same<decltype(std::floor((long)0)), double>::value), "");
 200     static_assert((std::is_same<decltype(std::floor((unsigned long)0)), double>::value), "");
 201     static_assert((std::is_same<decltype(std::floor((long long)0)), double>::value), "");
 202     static_assert((std::is_same<decltype(std::floor((unsigned long long)0)), double>::value), "");
 203     static_assert((std::is_same<decltype(std::floor((double)0)), double>::value), "");
 204     static_assert((std::is_same<decltype(std::floor((long double)0)), long double>::value), "");
 205     static_assert((std::is_same<decltype(std::floorf(0)), float>::value), "");
 206     static_assert((std::is_same<decltype(std::floorl(0)), long double>::value), "");
 207     assert(std::floor(1) == 1);
 208 }
 209
 210 void test_fmod()
 211 {
 212     static_assert((std::is_same<decltype(std::fmod((float)0, (float)0)), float>::value), "");
 213     static_assert((std::is_same<decltype(std::fmod((bool)0, (float)0)), double>::value), "");
 214     static_assert((std::is_same<decltype(std::fmod((unsigned short)0, (double)0)), double>::value), "");
 215     static_assert((std::is_same<decltype(std::fmod((int)0, (long double)0)), long double>::value), "");
 216     static_assert((std::is_same<decltype(std::fmod((float)0, (unsigned int)0)), double>::value), "");
 217     static_assert((std::is_same<decltype(std::fmod((double)0, (long)0)), double>::value), "");
 218     static_assert((std::is_same<decltype(std::fmod((long double)0, (unsigned long)0)), long double>::value), "");
 219     static_assert((std::is_same<decltype(std::fmod((int)0, (long long)0)), double>::value), "");
 220     static_assert((std::is_same<decltype(std::fmod((int)0, (unsigned long long)0)), double>::value), "");
 221     static_assert((std::is_same<decltype(std::fmod((double)0, (double)0)), double>::value), "");
 222     static_assert((std::is_same<decltype(std::fmod((long double)0, (long double)0)), long double>::value), "");
 223     static_assert((std::is_same<decltype(std::fmod((float)0, (double)0)), double>::value), "");
 224     static_assert((std::is_same<decltype(std::fmod((float)0, (long double)0)), long double>::value), "");
 225     static_assert((std::is_same<decltype(std::fmod((double)0, (long double)0)), long double>::value), "");
 226     static_assert((std::is_same<decltype(std::fmodf(0,0)), float>::value), "");
 227     static_assert((std::is_same<decltype(std::fmodl(0,0)), long double>::value), "");
 228     static_assert((std::is_same<decltype(std::fmod((int)0, (int)0)), double>::value), "");
 229     assert(std::fmod(1.5,1) == .5);
 230 }
 231
 232 void test_frexp()
 233 {
 234     int ip;
 235     static_assert((std::is_same<decltype(std::frexp((float)0, &ip)), float>::value), "");
 236     static_assert((std::is_same<decltype(std::frexp((bool)0, &ip)), double>::value), "");
 237     static_assert((std::is_same<decltype(std::frexp((unsigned short)0, &ip)), double>::value), "");
 238     static_assert((std::is_same<decltype(std::frexp((int)0, &ip)), double>::value), "");
 239     static_assert((std::is_same<decltype(std::frexp((unsigned int)0, &ip)), double>::value), "");
 240     static_assert((std::is_same<decltype(std::frexp((long)0, &ip)), double>::value), "");
 241     static_assert((std::is_same<decltype(std::frexp((unsigned long)0, &ip)), double>::value), "");
 242     static_assert((std::is_same<decltype(std::frexp((long long)0, &ip)), double>::value), "");
 243     static_assert((std::is_same<decltype(std::frexp((unsigned long long)0, &ip)), double>::value), "");
 244     static_assert((std::is_same<decltype(std::frexp((double)0, &ip)), double>::value), "");
 245     static_assert((std::is_same<decltype(std::frexp((long double)0, &ip)), long double>::value), "");
 246     static_assert((std::is_same<decltype(std::frexpf(0, &ip)), float>::value), "");
 247     static_assert((std::is_same<decltype(std::frexpl(0, &ip)), long double>::value), "");
 248     assert(std::frexp(0, &ip) == 0);
 249 }
 250
 251 void test_ldexp()
 252 {
 253     int ip = 1;
 254     static_assert((std::is_same<decltype(std::ldexp((float)0, ip)), float>::value), "");
 255     static_assert((std::is_same<decltype(std::ldexp((bool)0, ip)), double>::value), "");
 256     static_assert((std::is_same<decltype(std::ldexp((unsigned short)0, ip)), double>::value), "");
 257     static_assert((std::is_same<decltype(std::ldexp((int)0, ip)), double>::value), "");
 258     static_assert((std::is_same<decltype(std::ldexp((unsigned int)0, ip)), double>::value), "");
 259     static_assert((std::is_same<decltype(std::ldexp((long)0, ip)), double>::value), "");
 260     static_assert((std::is_same<decltype(std::ldexp((unsigned long)0, ip)), double>::value), "");
 261     static_assert((std::is_same<decltype(std::ldexp((long long)0, ip)), double>::value), "");
 262     static_assert((std::is_same<decltype(std::ldexp((unsigned long long)0, ip)), double>::value), "");
 263     static_assert((std::is_same<decltype(std::ldexp((double)0, ip)), double>::value), "");
 264     static_assert((std::is_same<decltype(std::ldexp((long double)0, ip)), long double>::value), "");
 265     static_assert((std::is_same<decltype(std::ldexpf(0, ip)), float>::value), "");
 266     static_assert((std::is_same<decltype(std::ldexpl(0, ip)), long double>::value), "");
 267     assert(std::ldexp(1, ip) == 2);
 268 }
 269
 270 void test_log()
 271 {
 272     static_assert((std::is_same<decltype(std::log((float)0)), float>::value), "");
 273     static_assert((std::is_same<decltype(std::log((bool)0)), double>::value), "");
 274     static_assert((std::is_same<decltype(std::log((unsigned short)0)), double>::value), "");
 275     static_assert((std::is_same<decltype(std::log((int)0)), double>::value), "");
 276     static_assert((std::is_same<decltype(std::log((unsigned int)0)), double>::value), "");
 277     static_assert((std::is_same<decltype(std::log((long)0)), double>::value), "");
 278     static_assert((std::is_same<decltype(std::log((unsigned long)0)), double>::value), "");
 279     static_assert((std::is_same<decltype(std::log((long long)0)), double>::value), "");
 280     static_assert((std::is_same<decltype(std::log((unsigned long long)0)), double>::value), "");
 281     static_assert((std::is_same<decltype(std::log((double)0)), double>::value), "");
 282     static_assert((std::is_same<decltype(std::log((long double)0)), long double>::value), "");
 283     static_assert((std::is_same<decltype(std::logf(0)), float>::value), "");
 284     static_assert((std::is_same<decltype(std::logl(0)), long double>::value), "");
 285     assert(std::log(1) == 0);
 286 }
 287
 288 void test_log10()
 289 {
 290     static_assert((std::is_same<decltype(std::log10((float)0)), float>::value), "");
 291     static_assert((std::is_same<decltype(std::log10((bool)0)), double>::value), "");
 292     static_assert((std::is_same<decltype(std::log10((unsigned short)0)), double>::value), "");
 293     static_assert((std::is_same<decltype(std::log10((int)0)), double>::value), "");
 294     static_assert((std::is_same<decltype(std::log10((unsigned int)0)), double>::value), "");
 295     static_assert((std::is_same<decltype(std::log10((long)0)), double>::value), "");
 296     static_assert((std::is_same<decltype(std::log10((unsigned long)0)), double>::value), "");
 297     static_assert((std::is_same<decltype(std::log10((long long)0)), double>::value), "");
 298     static_assert((std::is_same<decltype(std::log10((unsigned long long)0)), double>::value), "");
 299     static_assert((std::is_same<decltype(std::log10((double)0)), double>::value), "");
 300     static_assert((std::is_same<decltype(std::log10((long double)0)), long double>::value), "");
 301     static_assert((std::is_same<decltype(std::log10f(0)), float>::value), "");
 302     static_assert((std::is_same<decltype(std::log10l(0)), long double>::value), "");
 303     assert(std::log10(1) == 0);
 304 }
 305
 306 void test_modf()
 307 {
 308     static_assert((std::is_same<decltype(std::modf((float)0, (float*)0)), float>::value), "");
 309     static_assert((std::is_same<decltype(std::modf((double)0, (double*)0)), double>::value), "");
 310     static_assert((std::is_same<decltype(std::modf((long double)0, (long double*)0)), long double>::value), "");
 311     static_assert((std::is_same<decltype(std::modff(0, (float*)0)), float>::value), "");
 312     static_assert((std::is_same<decltype(std::modfl(0, (long double*)0)), long double>::value), "");
 313     double i;
 314     assert(std::modf(1., &i) == 0);
 315 }
 316
 317 void test_pow()
 318 {
 319     static_assert((std::is_same<decltype(std::pow((float)0, (float)0)), float>::value), "");
 320     static_assert((std::is_same<decltype(std::pow((bool)0, (float)0)), double>::value), "");
 321     static_assert((std::is_same<decltype(std::pow((unsigned short)0, (double)0)), double>::value), "");
 322     static_assert((std::is_same<decltype(std::pow((int)0, (long double)0)), long double>::value), "");
 323     static_assert((std::is_same<decltype(std::pow((float)0, (unsigned int)0)), double>::value), "");
 324     static_assert((std::is_same<decltype(std::pow((double)0, (long)0)), double>::value), "");
 325     static_assert((std::is_same<decltype(std::pow((long double)0, (unsigned long)0)), long double>::value), "");
 326     static_assert((std::is_same<decltype(std::pow((int)0, (long long)0)), double>::value), "");
 327     static_assert((std::is_same<decltype(std::pow((int)0, (unsigned long long)0)), double>::value), "");
 328     static_assert((std::is_same<decltype(std::pow((double)0, (double)0)), double>::value), "");
 329     static_assert((std::is_same<decltype(std::pow((long double)0, (long double)0)), long double>::value), "");
 330     static_assert((std::is_same<decltype(std::pow((float)0, (double)0)), double>::value), "");
 331     static_assert((std::is_same<decltype(std::pow((float)0, (long double)0)), long double>::value), "");
 332     static_assert((std::is_same<decltype(std::pow((double)0, (long double)0)), long double>::value), "");
 333     static_assert((std::is_same<decltype(std::powf(0,0)), float>::value), "");
 334     static_assert((std::is_same<decltype(std::powl(0,0)), long double>::value), "");
 335     static_assert((std::is_same<decltype(std::pow((int)0, (int)0)), double>::value), "");
 336     assert(std::pow(1,1) == 1);
 337 }
 338
 339 void test_sin()
 340 {
 341     static_assert((std::is_same<decltype(std::sin((float)0)), float>::value), "");
 342     static_assert((std::is_same<decltype(std::sin((bool)0)), double>::value), "");
 343     static_assert((std::is_same<decltype(std::sin((unsigned short)0)), double>::value), "");
 344     static_assert((std::is_same<decltype(std::sin((int)0)), double>::value), "");
 345     static_assert((std::is_same<decltype(std::sin((unsigned int)0)), double>::value), "");
 346     static_assert((std::is_same<decltype(std::sin((long)0)), double>::value), "");
 347     static_assert((std::is_same<decltype(std::sin((unsigned long)0)), double>::value), "");
 348     static_assert((std::is_same<decltype(std::sin((long long)0)), double>::value), "");
 349     static_assert((std::is_same<decltype(std::sin((unsigned long long)0)), double>::value), "");
 350     static_assert((std::is_same<decltype(std::sin((double)0)), double>::value), "");
 351     static_assert((std::is_same<decltype(std::sin((long double)0)), long double>::value), "");
 352     static_assert((std::is_same<decltype(std::sinf(0)), float>::value), "");
 353     static_assert((std::is_same<decltype(std::sinl(0)), long double>::value), "");
 354     assert(std::sin(0) == 0);
 355 }
 356
 357 void test_sinh()
 358 {
 359     static_assert((std::is_same<decltype(std::sinh((float)0)), float>::value), "");
 360     static_assert((std::is_same<decltype(std::sinh((bool)0)), double>::value), "");
 361     static_assert((std::is_same<decltype(std::sinh((unsigned short)0)), double>::value), "");
 362     static_assert((std::is_same<decltype(std::sinh((int)0)), double>::value), "");
 363     static_assert((std::is_same<decltype(std::sinh((unsigned int)0)), double>::value), "");
 364     static_assert((std::is_same<decltype(std::sinh((long)0)), double>::value), "");
 365     static_assert((std::is_same<decltype(std::sinh((unsigned long)0)), double>::value), "");
 366     static_assert((std::is_same<decltype(std::sinh((long long)0)), double>::value), "");
 367     static_assert((std::is_same<decltype(std::sinh((unsigned long long)0)), double>::value), "");
 368     static_assert((std::is_same<decltype(std::sinh((double)0)), double>::value), "");
 369     static_assert((std::is_same<decltype(std::sinh((long double)0)), long double>::value), "");
 370     static_assert((std::is_same<decltype(std::sinhf(0)), float>::value), "");
 371     static_assert((std::is_same<decltype(std::sinhl(0)), long double>::value), "");
 372     assert(std::sinh(0) == 0);
 373 }
 374
 375 void test_sqrt()
 376 {
 377     static_assert((std::is_same<decltype(std::sqrt((float)0)), float>::value), "");
 378     static_assert((std::is_same<decltype(std::sqrt((bool)0)), double>::value), "");
 379     static_assert((std::is_same<decltype(std::sqrt((unsigned short)0)), double>::value), "");
 380     static_assert((std::is_same<decltype(std::sqrt((int)0)), double>::value), "");
 381     static_assert((std::is_same<decltype(std::sqrt((unsigned int)0)), double>::value), "");
 382     static_assert((std::is_same<decltype(std::sqrt((long)0)), double>::value), "");
 383     static_assert((std::is_same<decltype(std::sqrt((unsigned long)0)), double>::value), "");
 384     static_assert((std::is_same<decltype(std::sqrt((long long)0)), double>::value), "");
 385     static_assert((std::is_same<decltype(std::sqrt((unsigned long long)0)), double>::value), "");
 386     static_assert((std::is_same<decltype(std::sqrt((double)0)), double>::value), "");
 387     static_assert((std::is_same<decltype(std::sqrt((long double)0)), long double>::value), "");
 388     static_assert((std::is_same<decltype(std::sqrtf(0)), float>::value), "");
 389     static_assert((std::is_same<decltype(std::sqrtl(0)), long double>::value), "");
 390     assert(std::sqrt(4) == 2);
 391 }
 392
 393 void test_tan()
 394 {
 395     static_assert((std::is_same<decltype(std::tan((float)0)), float>::value), "");
 396     static_assert((std::is_same<decltype(std::tan((bool)0)), double>::value), "");
 397     static_assert((std::is_same<decltype(std::tan((unsigned short)0)), double>::value), "");
 398     static_assert((std::is_same<decltype(std::tan((int)0)), double>::value), "");
 399     static_assert((std::is_same<decltype(std::tan((unsigned int)0)), double>::value), "");
 400     static_assert((std::is_same<decltype(std::tan((long)0)), double>::value), "");
 401     static_assert((std::is_same<decltype(std::tan((unsigned long)0)), double>::value), "");
 402     static_assert((std::is_same<decltype(std::tan((long long)0)), double>::value), "");
 403     static_assert((std::is_same<decltype(std::tan((unsigned long long)0)), double>::value), "");
 404     static_assert((std::is_same<decltype(std::tan((double)0)), double>::value), "");
 405     static_assert((std::is_same<decltype(std::tan((long double)0)), long double>::value), "");
 406     static_assert((std::is_same<decltype(std::tanf(0)), float>::value), "");
 407     static_assert((std::is_same<decltype(std::tanl(0)), long double>::value), "");
 408     assert(std::tan(0) == 0);
 409 }
 410
 411 void test_tanh()
 412 {
 413     static_assert((std::is_same<decltype(std::tanh((float)0)), float>::value), "");
 414     static_assert((std::is_same<decltype(std::tanh((bool)0)), double>::value), "");
 415     static_assert((std::is_same<decltype(std::tanh((unsigned short)0)), double>::value), "");
 416     static_assert((std::is_same<decltype(std::tanh((int)0)), double>::value), "");
 417     static_assert((std::is_same<decltype(std::tanh((unsigned int)0)), double>::value), "");
 418     static_assert((std::is_same<decltype(std::tanh((long)0)), double>::value), "");
 419     static_assert((std::is_same<decltype(std::tanh((unsigned long)0)), double>::value), "");
 420     static_assert((std::is_same<decltype(std::tanh((long long)0)), double>::value), "");
 421     static_assert((std::is_same<decltype(std::tanh((unsigned long long)0)), double>::value), "");
 422     static_assert((std::is_same<decltype(std::tanh((double)0)), double>::value), "");
 423     static_assert((std::is_same<decltype(std::tanh((long double)0)), long double>::value), "");
 424     static_assert((std::is_same<decltype(std::tanhf(0)), float>::value), "");
 425     static_assert((std::is_same<decltype(std::tanhl(0)), long double>::value), "");
 426     assert(std::tanh(0) == 0);
 427 }
 428
 429 void test_signbit()
 430 {
 431 #ifdef signbit
 432 #error signbit defined
 433 #endif
 434     static_assert((std::is_same<decltype(std::signbit((float)0)), bool>::value), "");
 435     static_assert((std::is_same<decltype(std::signbit((double)0)), bool>::value), "");
 436     static_assert((std::is_same<decltype(std::signbit(0)), bool>::value), "");
 437     static_assert((std::is_same<decltype(std::signbit((long double)0)), bool>::value), "");
 438     assert(std::signbit(-1.0) == true);
 439 }
 440
 441 void test_fpclassify()
 442 {
 443 #ifdef fpclassify
 444 #error fpclassify defined
 445 #endif
 446     static_assert((std::is_same<decltype(std::fpclassify((float)0)), int>::value), "");
 447     static_assert((std::is_same<decltype(std::fpclassify((double)0)), int>::value), "");
 448     static_assert((std::is_same<decltype(std::fpclassify(0)), int>::value), "");
 449     static_assert((std::is_same<decltype(std::fpclassify((long double)0)), int>::value), "");
 450     assert(std::fpclassify(-1.0) == FP_NORMAL);
 451 }
 452
 453 void test_isfinite()
 454 {
 455 #ifdef isfinite
 456 #error isfinite defined
 457 #endif
 458     static_assert((std::is_same<decltype(std::isfinite((float)0)), bool>::value), "");
 459     static_assert((std::is_same<decltype(std::isfinite((double)0)), bool>::value), "");
 460     static_assert((std::is_same<decltype(std::isfinite(0)), bool>::value), "");
 461     static_assert((std::is_same<decltype(std::isfinite((long double)0)), bool>::value), "");
 462     assert(std::isfinite(-1.0) == true);
 463 }
 464
 465 void test_isinf()
 466 {
 467 #ifdef isinf
 468 #error isinf defined
 469 #endif
 470     static_assert((std::is_same<decltype(std::isinf((float)0)), bool>::value), "");
 471     static_assert((std::is_same<decltype(std::isinf((double)0)), bool>::value), "");
 472     static_assert((std::is_same<decltype(std::isinf(0)), bool>::value), "");
 473     static_assert((std::is_same<decltype(std::isinf((long double)0)), bool>::value), "");
 474     assert(std::isinf(-1.0) == false);
 475 }
 476
 477 void test_isnan()
 478 {
 479 #ifdef isnan
 480 #error isnan defined
 481 #endif
 482     static_assert((std::is_same<decltype(std::isnan((float)0)), bool>::value), "");
 483     static_assert((std::is_same<decltype(std::isnan((double)0)), bool>::value), "");
 484     static_assert((std::is_same<decltype(std::isnan(0)), bool>::value), "");
 485     static_assert((std::is_same<decltype(std::isnan((long double)0)), bool>::value), "");
 486     assert(std::isnan(-1.0) == false);
 487 }
 488
 489 void test_isnormal()
 490 {
 491 #ifdef isnormal
 492 #error isnormal defined
 493 #endif
 494     static_assert((std::is_same<decltype(std::isnormal((float)0)), bool>::value), "");
 495     static_assert((std::is_same<decltype(std::isnormal((double)0)), bool>::value), "");
 496     static_assert((std::is_same<decltype(std::isnormal(0)), bool>::value), "");
 497     static_assert((std::is_same<decltype(std::isnormal((long double)0)), bool>::value), "");
 498     assert(std::isnormal(-1.0) == true);
 499 }
 500
 501 void test_isgreater()
 502 {
 503 #ifdef isgreater
 504 #error isgreater defined
 505 #endif
 506     static_assert((std::is_same<decltype(std::isgreater((float)0, (float)0)), bool>::value), "");
 507     static_assert((std::is_same<decltype(std::isgreater((float)0, (double)0)), bool>::value), "");
 508     static_assert((std::is_same<decltype(std::isgreater((float)0, (long double)0)), bool>::value), "");
 509     static_assert((std::is_same<decltype(std::isgreater((double)0, (float)0)), bool>::value), "");
 510     static_assert((std::is_same<decltype(std::isgreater((double)0, (double)0)), bool>::value), "");
 511     static_assert((std::is_same<decltype(std::isgreater(0, (double)0)), bool>::value), "");
 512     static_assert((std::is_same<decltype(std::isgreater((double)0, (long double)0)), bool>::value), "");
 513     static_assert((std::is_same<decltype(std::isgreater((long double)0, (float)0)), bool>::value), "");
 514     static_assert((std::is_same<decltype(std::isgreater((long double)0, (double)0)), bool>::value), "");
 515     static_assert((std::is_same<decltype(std::isgreater((long double)0, (long double)0)), bool>::value), "");
 516     assert(std::isgreater(-1.0, 0.F) == false);
 517 }
 518
 519 void test_isgreaterequal()
 520 {
 521 #ifdef isgreaterequal
 522 #error isgreaterequal defined
 523 #endif
 524     static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (float)0)), bool>::value), "");
 525     static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (double)0)), bool>::value), "");
 526     static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (long double)0)), bool>::value), "");
 527     static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (float)0)), bool>::value), "");
 528     static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (double)0)), bool>::value), "");
 529     static_assert((std::is_same<decltype(std::isgreaterequal(0, (double)0)), bool>::value), "");
 530     static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (long double)0)), bool>::value), "");
 531     static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (float)0)), bool>::value), "");
 532     static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (double)0)), bool>::value), "");
 533     static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (long double)0)), bool>::value), "");
 534     assert(std::isgreaterequal(-1.0, 0.F) == false);
 535 }
 536
 537 void test_isless()
 538 {
 539 #ifdef isless
 540 #error isless defined
 541 #endif
 542     static_assert((std::is_same<decltype(std::isless((float)0, (float)0)), bool>::value), "");
 543     static_assert((std::is_same<decltype(std::isless((float)0, (double)0)), bool>::value), "");
 544     static_assert((std::is_same<decltype(std::isless((float)0, (long double)0)), bool>::value), "");
 545     static_assert((std::is_same<decltype(std::isless((double)0, (float)0)), bool>::value), "");
 546     static_assert((std::is_same<decltype(std::isless((double)0, (double)0)), bool>::value), "");
 547     static_assert((std::is_same<decltype(std::isless(0, (double)0)), bool>::value), "");
 548     static_assert((std::is_same<decltype(std::isless((double)0, (long double)0)), bool>::value), "");
 549     static_assert((std::is_same<decltype(std::isless((long double)0, (float)0)), bool>::value), "");
 550     static_assert((std::is_same<decltype(std::isless((long double)0, (double)0)), bool>::value), "");
 551     static_assert((std::is_same<decltype(std::isless((long double)0, (long double)0)), bool>::value), "");
 552     assert(std::isless(-1.0, 0.F) == true);
 553 }
 554
 555 void test_islessequal()
 556 {
 557 #ifdef islessequal
 558 #error islessequal defined
 559 #endif
 560     static_assert((std::is_same<decltype(std::islessequal((float)0, (float)0)), bool>::value), "");
 561     static_assert((std::is_same<decltype(std::islessequal((float)0, (double)0)), bool>::value), "");
 562     static_assert((std::is_same<decltype(std::islessequal((float)0, (long double)0)), bool>::value), "");
 563     static_assert((std::is_same<decltype(std::islessequal((double)0, (float)0)), bool>::value), "");
 564     static_assert((std::is_same<decltype(std::islessequal((double)0, (double)0)), bool>::value), "");
 565     static_assert((std::is_same<decltype(std::islessequal(0, (double)0)), bool>::value), "");
 566     static_assert((std::is_same<decltype(std::islessequal((double)0, (long double)0)), bool>::value), "");
 567     static_assert((std::is_same<decltype(std::islessequal((long double)0, (float)0)), bool>::value), "");
 568     static_assert((std::is_same<decltype(std::islessequal((long double)0, (double)0)), bool>::value), "");
 569     static_assert((std::is_same<decltype(std::islessequal((long double)0, (long double)0)), bool>::value), "");
 570     assert(std::islessequal(-1.0, 0.F) == true);
 571 }
 572
 573 void test_islessgreater()
 574 {
 575 #ifdef islessgreater
 576 #error islessgreater defined
 577 #endif
 578     static_assert((std::is_same<decltype(std::islessgreater((float)0, (float)0)), bool>::value), "");
 579     static_assert((std::is_same<decltype(std::islessgreater((float)0, (double)0)), bool>::value), "");
 580     static_assert((std::is_same<decltype(std::islessgreater((float)0, (long double)0)), bool>::value), "");
 581     static_assert((std::is_same<decltype(std::islessgreater((double)0, (float)0)), bool>::value), "");
 582     static_assert((std::is_same<decltype(std::islessgreater((double)0, (double)0)), bool>::value), "");
 583     static_assert((std::is_same<decltype(std::islessgreater(0, (double)0)), bool>::value), "");
 584     static_assert((std::is_same<decltype(std::islessgreater((double)0, (long double)0)), bool>::value), "");
 585     static_assert((std::is_same<decltype(std::islessgreater((long double)0, (float)0)), bool>::value), "");
 586     static_assert((std::is_same<decltype(std::islessgreater((long double)0, (double)0)), bool>::value), "");
 587     static_assert((std::is_same<decltype(std::islessgreater((long double)0, (long double)0)), bool>::value), "");
 588     assert(std::islessgreater(-1.0, 0.F) == true);
 589 }
 590
 591 void test_isunordered()
 592 {
 593 #ifdef isunordered
 594 #error isunordered defined
 595 #endif
 596     static_assert((std::is_same<decltype(std::isunordered((float)0, (float)0)), bool>::value), "");
 597     static_assert((std::is_same<decltype(std::isunordered((float)0, (double)0)), bool>::value), "");
 598     static_assert((std::is_same<decltype(std::isunordered((float)0, (long double)0)), bool>::value), "");
 599     static_assert((std::is_same<decltype(std::isunordered((double)0, (float)0)), bool>::value), "");
 600     static_assert((std::is_same<decltype(std::isunordered((double)0, (double)0)), bool>::value), "");
 601     static_assert((std::is_same<decltype(std::isunordered(0, (double)0)), bool>::value), "");
 602     static_assert((std::is_same<decltype(std::isunordered((double)0, (long double)0)), bool>::value), "");
 603     static_assert((std::is_same<decltype(std::isunordered((long double)0, (float)0)), bool>::value), "");
 604     static_assert((std::is_same<decltype(std::isunordered((long double)0, (double)0)), bool>::value), "");
 605     static_assert((std::is_same<decltype(std::isunordered((long double)0, (long double)0)), bool>::value), "");
 606     assert(std::isunordered(-1.0, 0.F) == false);
 607 }
 608
 609 void test_acosh()
 610 {
 611     static_assert((std::is_same<decltype(std::acosh((float)0)), float>::value), "");
 612     static_assert((std::is_same<decltype(std::acosh((bool)0)), double>::value), "");
 613     static_assert((std::is_same<decltype(std::acosh((unsigned short)0)), double>::value), "");
 614     static_assert((std::is_same<decltype(std::acosh((int)0)), double>::value), "");
 615     static_assert((std::is_same<decltype(std::acosh((unsigned int)0)), double>::value), "");
 616     static_assert((std::is_same<decltype(std::acosh((long)0)), double>::value), "");
 617     static_assert((std::is_same<decltype(std::acosh((unsigned long)0)), double>::value), "");
 618     static_assert((std::is_same<decltype(std::acosh((long long)0)), double>::value), "");
 619     static_assert((std::is_same<decltype(std::acosh((unsigned long long)0)), double>::value), "");
 620     static_assert((std::is_same<decltype(std::acosh((double)0)), double>::value), "");
 621     static_assert((std::is_same<decltype(std::acosh((long double)0)), long double>::value), "");
 622     static_assert((std::is_same<decltype(std::acoshf(0)), float>::value), "");
 623     static_assert((std::is_same<decltype(std::acoshl(0)), long double>::value), "");
 624     assert(std::acosh(1) == 0);
 625 }
 626
 627 void test_asinh()
 628 {
 629     static_assert((std::is_same<decltype(std::asinh((float)0)), float>::value), "");
 630     static_assert((std::is_same<decltype(std::asinh((bool)0)), double>::value), "");
 631     static_assert((std::is_same<decltype(std::asinh((unsigned short)0)), double>::value), "");
 632     static_assert((std::is_same<decltype(std::asinh((int)0)), double>::value), "");
 633     static_assert((std::is_same<decltype(std::asinh((unsigned int)0)), double>::value), "");
 634     static_assert((std::is_same<decltype(std::asinh((long)0)), double>::value), "");
 635     static_assert((std::is_same<decltype(std::asinh((unsigned long)0)), double>::value), "");
 636     static_assert((std::is_same<decltype(std::asinh((long long)0)), double>::value), "");
 637     static_assert((std::is_same<decltype(std::asinh((unsigned long long)0)), double>::value), "");
 638     static_assert((std::is_same<decltype(std::asinh((double)0)), double>::value), "");
 639     static_assert((std::is_same<decltype(std::asinh((long double)0)), long double>::value), "");
 640     static_assert((std::is_same<decltype(std::asinhf(0)), float>::value), "");
 641     static_assert((std::is_same<decltype(std::asinhl(0)), long double>::value), "");
 642     assert(std::asinh(0) == 0);
 643 }
 644
 645 void test_atanh()
 646 {
 647     static_assert((std::is_same<decltype(std::atanh((float)0)), float>::value), "");
 648     static_assert((std::is_same<decltype(std::atanh((bool)0)), double>::value), "");
 649     static_assert((std::is_same<decltype(std::atanh((unsigned short)0)), double>::value), "");
 650     static_assert((std::is_same<decltype(std::atanh((int)0)), double>::value), "");
 651     static_assert((std::is_same<decltype(std::atanh((unsigned int)0)), double>::value), "");
 652     static_assert((std::is_same<decltype(std::atanh((long)0)), double>::value), "");
 653     static_assert((std::is_same<decltype(std::atanh((unsigned long)0)), double>::value), "");
 654     static_assert((std::is_same<decltype(std::atanh((long long)0)), double>::value), "");
 655     static_assert((std::is_same<decltype(std::atanh((unsigned long long)0)), double>::value), "");
 656     static_assert((std::is_same<decltype(std::atanh((double)0)), double>::value), "");
 657     static_assert((std::is_same<decltype(std::atanh((long double)0)), long double>::value), "");
 658     static_assert((std::is_same<decltype(std::atanhf(0)), float>::value), "");
 659     static_assert((std::is_same<decltype(std::atanhl(0)), long double>::value), "");
 660     assert(std::atanh(0) == 0);
 661 }
 662
 663 void test_cbrt()
 664 {
 665     static_assert((std::is_same<decltype(std::cbrt((float)0)), float>::value), "");
 666     static_assert((std::is_same<decltype(std::cbrt((bool)0)), double>::value), "");
 667     static_assert((std::is_same<decltype(std::cbrt((unsigned short)0)), double>::value), "");
 668     static_assert((std::is_same<decltype(std::cbrt((int)0)), double>::value), "");
 669     static_assert((std::is_same<decltype(std::cbrt((unsigned int)0)), double>::value), "");
 670     static_assert((std::is_same<decltype(std::cbrt((long)0)), double>::value), "");
 671     static_assert((std::is_same<decltype(std::cbrt((unsigned long)0)), double>::value), "");
 672     static_assert((std::is_same<decltype(std::cbrt((long long)0)), double>::value), "");
 673     static_assert((std::is_same<decltype(std::cbrt((unsigned long long)0)), double>::value), "");
 674     static_assert((std::is_same<decltype(std::cbrt((double)0)), double>::value), "");
 675     static_assert((std::is_same<decltype(std::cbrt((long double)0)), long double>::value), "");
 676     static_assert((std::is_same<decltype(std::cbrtf(0)), float>::value), "");
 677     static_assert((std::is_same<decltype(std::cbrtl(0)), long double>::value), "");
 678     assert(std::cbrt(1) == 1);
 679 }
 680
 681 void test_copysign()
 682 {
 683     static_assert((std::is_same<decltype(std::copysign((float)0, (float)0)), float>::value), "");
 684     static_assert((std::is_same<decltype(std::copysign((bool)0, (float)0)), double>::value), "");
 685     static_assert((std::is_same<decltype(std::copysign((unsigned short)0, (double)0)), double>::value), "");
 686     static_assert((std::is_same<decltype(std::copysign((int)0, (long double)0)), long double>::value), "");
 687     static_assert((std::is_same<decltype(std::copysign((float)0, (unsigned int)0)), double>::value), "");
 688     static_assert((std::is_same<decltype(std::copysign((double)0, (long)0)), double>::value), "");
 689     static_assert((std::is_same<decltype(std::copysign((long double)0, (unsigned long)0)), long double>::value), "");
 690     static_assert((std::is_same<decltype(std::copysign((int)0, (long long)0)), double>::value), "");
 691     static_assert((std::is_same<decltype(std::copysign((int)0, (unsigned long long)0)), double>::value), "");
 692     static_assert((std::is_same<decltype(std::copysign((double)0, (double)0)), double>::value), "");
 693     static_assert((std::is_same<decltype(std::copysign((long double)0, (long double)0)), long double>::value), "");
 694     static_assert((std::is_same<decltype(std::copysign((float)0, (double)0)), double>::value), "");
 695     static_assert((std::is_same<decltype(std::copysign((float)0, (long double)0)), long double>::value), "");
 696     static_assert((std::is_same<decltype(std::copysign((double)0, (long double)0)), long double>::value), "");
 697     static_assert((std::is_same<decltype(std::copysignf(0,0)), float>::value), "");
 698     static_assert((std::is_same<decltype(std::copysignl(0,0)), long double>::value), "");
 699     static_assert((std::is_same<decltype(std::copysign((int)0, (int)0)), double>::value), "");
 700     assert(std::copysign(1,1) == 1);
 701 }
 702
 703 void test_erf()
 704 {
 705     static_assert((std::is_same<decltype(std::erf((float)0)), float>::value), "");
 706     static_assert((std::is_same<decltype(std::erf((bool)0)), double>::value), "");
 707     static_assert((std::is_same<decltype(std::erf((unsigned short)0)), double>::value), "");
 708     static_assert((std::is_same<decltype(std::erf((int)0)), double>::value), "");
 709     static_assert((std::is_same<decltype(std::erf((unsigned int)0)), double>::value), "");
 710     static_assert((std::is_same<decltype(std::erf((long)0)), double>::value), "");
 711     static_assert((std::is_same<decltype(std::erf((unsigned long)0)), double>::value), "");
 712     static_assert((std::is_same<decltype(std::erf((long long)0)), double>::value), "");
 713     static_assert((std::is_same<decltype(std::erf((unsigned long long)0)), double>::value), "");
 714     static_assert((std::is_same<decltype(std::erf((double)0)), double>::value), "");
 715     static_assert((std::is_same<decltype(std::erf((long double)0)), long double>::value), "");
 716     static_assert((std::is_same<decltype(std::erff(0)), float>::value), "");
 717     static_assert((std::is_same<decltype(std::erfl(0)), long double>::value), "");
 718     assert(std::erf(0) == 0);
 719 }
 720
 721 void test_erfc()
 722 {
 723     static_assert((std::is_same<decltype(std::erfc((float)0)), float>::value), "");
 724     static_assert((std::is_same<decltype(std::erfc((bool)0)), double>::value), "");
 725     static_assert((std::is_same<decltype(std::erfc((unsigned short)0)), double>::value), "");
 726     static_assert((std::is_same<decltype(std::erfc((int)0)), double>::value), "");
 727     static_assert((std::is_same<decltype(std::erfc((unsigned int)0)), double>::value), "");
 728     static_assert((std::is_same<decltype(std::erfc((long)0)), double>::value), "");
 729     static_assert((std::is_same<decltype(std::erfc((unsigned long)0)), double>::value), "");
 730     static_assert((std::is_same<decltype(std::erfc((long long)0)), double>::value), "");
 731     static_assert((std::is_same<decltype(std::erfc((unsigned long long)0)), double>::value), "");
 732     static_assert((std::is_same<decltype(std::erfc((double)0)), double>::value), "");
 733     static_assert((std::is_same<decltype(std::erfc((long double)0)), long double>::value), "");
 734     static_assert((std::is_same<decltype(std::erfcf(0)), float>::value), "");
 735     static_assert((std::is_same<decltype(std::erfcl(0)), long double>::value), "");
 736     assert(std::erfc(0) == 1);
 737 }
 738
 739 void test_exp2()
 740 {
 741     static_assert((std::is_same<decltype(std::exp2((float)0)), float>::value), "");
 742     static_assert((std::is_same<decltype(std::exp2((bool)0)), double>::value), "");
 743     static_assert((std::is_same<decltype(std::exp2((unsigned short)0)), double>::value), "");
 744     static_assert((std::is_same<decltype(std::exp2((int)0)), double>::value), "");
 745     static_assert((std::is_same<decltype(std::exp2((unsigned int)0)), double>::value), "");
 746     static_assert((std::is_same<decltype(std::exp2((long)0)), double>::value), "");
 747     static_assert((std::is_same<decltype(std::exp2((unsigned long)0)), double>::value), "");
 748     static_assert((std::is_same<decltype(std::exp2((long long)0)), double>::value), "");
 749     static_assert((std::is_same<decltype(std::exp2((unsigned long long)0)), double>::value), "");
 750     static_assert((std::is_same<decltype(std::exp2((double)0)), double>::value), "");
 751     static_assert((std::is_same<decltype(std::exp2((long double)0)), long double>::value), "");
 752     static_assert((std::is_same<decltype(std::exp2f(0)), float>::value), "");
 753     static_assert((std::is_same<decltype(std::exp2l(0)), long double>::value), "");
 754     assert(std::exp2(1) == 2);
 755 }
 756
 757 void test_expm1()
 758 {
 759     static_assert((std::is_same<decltype(std::expm1((float)0)), float>::value), "");
 760     static_assert((std::is_same<decltype(std::expm1((bool)0)), double>::value), "");
 761     static_assert((std::is_same<decltype(std::expm1((unsigned short)0)), double>::value), "");
 762     static_assert((std::is_same<decltype(std::expm1((int)0)), double>::value), "");
 763     static_assert((std::is_same<decltype(std::expm1((unsigned int)0)), double>::value), "");
 764     static_assert((std::is_same<decltype(std::expm1((long)0)), double>::value), "");
 765     static_assert((std::is_same<decltype(std::expm1((unsigned long)0)), double>::value), "");
 766     static_assert((std::is_same<decltype(std::expm1((long long)0)), double>::value), "");
 767     static_assert((std::is_same<decltype(std::expm1((unsigned long long)0)), double>::value), "");
 768     static_assert((std::is_same<decltype(std::expm1((double)0)), double>::value), "");
 769     static_assert((std::is_same<decltype(std::expm1((long double)0)), long double>::value), "");
 770     static_assert((std::is_same<decltype(std::expm1f(0)), float>::value), "");
 771     static_assert((std::is_same<decltype(std::expm1l(0)), long double>::value), "");
 772     assert(std::expm1(0) == 0);
 773 }
 774
 775 void test_fdim()
 776 {
 777     static_assert((std::is_same<decltype(std::fdim((float)0, (float)0)), float>::value), "");
 778     static_assert((std::is_same<decltype(std::fdim((bool)0, (float)0)), double>::value), "");
 779     static_assert((std::is_same<decltype(std::fdim((unsigned short)0, (double)0)), double>::value), "");
 780     static_assert((std::is_same<decltype(std::fdim((int)0, (long double)0)), long double>::value), "");
 781     static_assert((std::is_same<decltype(std::fdim((float)0, (unsigned int)0)), double>::value), "");
 782     static_assert((std::is_same<decltype(std::fdim((double)0, (long)0)), double>::value), "");
 783     static_assert((std::is_same<decltype(std::fdim((long double)0, (unsigned long)0)), long double>::value), "");
 784     static_assert((std::is_same<decltype(std::fdim((int)0, (long long)0)), double>::value), "");
 785     static_assert((std::is_same<decltype(std::fdim((int)0, (unsigned long long)0)), double>::value), "");
 786     static_assert((std::is_same<decltype(std::fdim((double)0, (double)0)), double>::value), "");
 787     static_assert((std::is_same<decltype(std::fdim((long double)0, (long double)0)), long double>::value), "");
 788     static_assert((std::is_same<decltype(std::fdim((float)0, (double)0)), double>::value), "");
 789     static_assert((std::is_same<decltype(std::fdim((float)0, (long double)0)), long double>::value), "");
 790     static_assert((std::is_same<decltype(std::fdim((double)0, (long double)0)), long double>::value), "");
 791     static_assert((std::is_same<decltype(std::fdimf(0,0)), float>::value), "");
 792     static_assert((std::is_same<decltype(std::fdiml(0,0)), long double>::value), "");
 793     static_assert((std::is_same<decltype(std::fdim((int)0, (int)0)), double>::value), "");
 794     assert(std::fdim(1,0) == 1);
 795 }
 796
 797 void test_fma()
 798 {
 799     static_assert((std::is_same<decltype(std::fma((bool)0, (float)0, (float)0)), double>::value), "");
 800     static_assert((std::is_same<decltype(std::fma((char)0, (float)0, (float)0)), double>::value), "");
 801     static_assert((std::is_same<decltype(std::fma((unsigned)0, (float)0, (float)0)), double>::value), "");
 802     static_assert((std::is_same<decltype(std::fma((float)0, (int)0, (float)0)), double>::value), "");
 803     static_assert((std::is_same<decltype(std::fma((float)0, (long)0, (float)0)), double>::value), "");
 804     static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (unsigned long long)0)), double>::value), "");
 805     static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (double)0)), double>::value), "");
 806     static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (long double)0)), long double>::value), "");
 807     static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (float)0)), float>::value), "");
 808
 809     static_assert((std::is_same<decltype(std::fma((bool)0, (double)0, (double)0)), double>::value), "");
 810     static_assert((std::is_same<decltype(std::fma((char)0, (double)0, (double)0)), double>::value), "");
 811     static_assert((std::is_same<decltype(std::fma((unsigned)0, (double)0, (double)0)), double>::value), "");
 812     static_assert((std::is_same<decltype(std::fma((double)0, (int)0, (double)0)), double>::value), "");
 813     static_assert((std::is_same<decltype(std::fma((double)0, (long)0, (double)0)), double>::value), "");
 814     static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (unsigned long long)0)), double>::value), "");
 815     static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (float)0)), double>::value), "");
 816     static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (long double)0)), long double>::value), "");
 817     static_assert((std::is_same<decltype(std::fma((double)0, (double)0,  (double)0)), double>::value), "");
 818
 819     static_assert((std::is_same<decltype(std::fma((bool)0, (long double)0, (long double)0)), long double>::value), "");
 820     static_assert((std::is_same<decltype(std::fma((char)0, (long double)0, (long double)0)), long double>::value), "");
 821     static_assert((std::is_same<decltype(std::fma((unsigned)0, (long double)0, (long double)0)), long double>::value), "");
 822     static_assert((std::is_same<decltype(std::fma((long double)0, (int)0, (long double)0)), long double>::value), "");
 823     static_assert((std::is_same<decltype(std::fma((long double)0, (long)0, (long double)0)), long double>::value), "");
 824     static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (unsigned long long)0)), long double>::value), "");
 825     static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (float)0)), long double>::value), "");
 826     static_assert((std::is_same<decltype(std::fma((double)0, (long double)0, (long double)0)), long double>::value), "");
 827     static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (long double)0)), long double>::value), "");
 828
 829     static_assert((std::is_same<decltype(std::fmaf(0,0,0)), float>::value), "");
 830     static_assert((std::is_same<decltype(std::fmal(0,0,0)), long double>::value), "");
 831     assert(std::fma(1,1,1) == 2);
 832 }
 833
 834 void test_fmax()
 835 {
 836     static_assert((std::is_same<decltype(std::fmax((float)0, (float)0)), float>::value), "");
 837     static_assert((std::is_same<decltype(std::fmax((bool)0, (float)0)), double>::value), "");
 838     static_assert((std::is_same<decltype(std::fmax((unsigned short)0, (double)0)), double>::value), "");
 839     static_assert((std::is_same<decltype(std::fmax((int)0, (long double)0)), long double>::value), "");
 840     static_assert((std::is_same<decltype(std::fmax((float)0, (unsigned int)0)), double>::value), "");
 841     static_assert((std::is_same<decltype(std::fmax((double)0, (long)0)), double>::value), "");
 842     static_assert((std::is_same<decltype(std::fmax((long double)0, (unsigned long)0)), long double>::value), "");
 843     static_assert((std::is_same<decltype(std::fmax((int)0, (long long)0)), double>::value), "");
 844     static_assert((std::is_same<decltype(std::fmax((int)0, (unsigned long long)0)), double>::value), "");
 845     static_assert((std::is_same<decltype(std::fmax((double)0, (double)0)), double>::value), "");
 846     static_assert((std::is_same<decltype(std::fmax((long double)0, (long double)0)), long double>::value), "");
 847     static_assert((std::is_same<decltype(std::fmax((float)0, (double)0)), double>::value), "");
 848     static_assert((std::is_same<decltype(std::fmax((float)0, (long double)0)), long double>::value), "");
 849     static_assert((std::is_same<decltype(std::fmax((double)0, (long double)0)), long double>::value), "");
 850     static_assert((std::is_same<decltype(std::fmaxf(0,0)), float>::value), "");
 851     static_assert((std::is_same<decltype(std::fmaxl(0,0)), long double>::value), "");
 852     static_assert((std::is_same<decltype(std::fmax((int)0, (int)0)), double>::value), "");
 853     assert(std::fmax(1,0) == 1);
 854 }
 855
 856 void test_fmin()
 857 {
 858     static_assert((std::is_same<decltype(std::fmin((float)0, (float)0)), float>::value), "");
 859     static_assert((std::is_same<decltype(std::fmin((bool)0, (float)0)), double>::value), "");
 860     static_assert((std::is_same<decltype(std::fmin((unsigned short)0, (double)0)), double>::value), "");
 861     static_assert((std::is_same<decltype(std::fmin((int)0, (long double)0)), long double>::value), "");
 862     static_assert((std::is_same<decltype(std::fmin((float)0, (unsigned int)0)), double>::value), "");
 863     static_assert((std::is_same<decltype(std::fmin((double)0, (long)0)), double>::value), "");
 864     static_assert((std::is_same<decltype(std::fmin((long double)0, (unsigned long)0)), long double>::value), "");
 865     static_assert((std::is_same<decltype(std::fmin((int)0, (long long)0)), double>::value), "");
 866     static_assert((std::is_same<decltype(std::fmin((int)0, (unsigned long long)0)), double>::value), "");
 867     static_assert((std::is_same<decltype(std::fmin((double)0, (double)0)), double>::value), "");
 868     static_assert((std::is_same<decltype(std::fmin((long double)0, (long double)0)), long double>::value), "");
 869     static_assert((std::is_same<decltype(std::fmin((float)0, (double)0)), double>::value), "");
 870     static_assert((std::is_same<decltype(std::fmin((float)0, (long double)0)), long double>::value), "");
 871     static_assert((std::is_same<decltype(std::fmin((double)0, (long double)0)), long double>::value), "");
 872     static_assert((std::is_same<decltype(std::fminf(0,0)), float>::value), "");
 873     static_assert((std::is_same<decltype(std::fminl(0,0)), long double>::value), "");
 874     static_assert((std::is_same<decltype(std::fmin((int)0, (int)0)), double>::value), "");
 875     assert(std::fmin(1,0) == 0);
 876 }
 877
 878 void test_hypot()
 879 {
 880     static_assert((std::is_same<decltype(std::hypot((float)0, (float)0)), float>::value), "");
 881     static_assert((std::is_same<decltype(std::hypot((bool)0, (float)0)), double>::value), "");
 882     static_assert((std::is_same<decltype(std::hypot((unsigned short)0, (double)0)), double>::value), "");
 883     static_assert((std::is_same<decltype(std::hypot((int)0, (long double)0)), long double>::value), "");
 884     static_assert((std::is_same<decltype(std::hypot((float)0, (unsigned int)0)), double>::value), "");
 885     static_assert((std::is_same<decltype(std::hypot((double)0, (long)0)), double>::value), "");
 886     static_assert((std::is_same<decltype(std::hypot((long double)0, (unsigned long)0)), long double>::value), "");
 887     static_assert((std::is_same<decltype(std::hypot((int)0, (long long)0)), double>::value), "");
 888     static_assert((std::is_same<decltype(std::hypot((int)0, (unsigned long long)0)), double>::value), "");
 889     static_assert((std::is_same<decltype(std::hypot((double)0, (double)0)), double>::value), "");
 890     static_assert((std::is_same<decltype(std::hypot((long double)0, (long double)0)), long double>::value), "");
 891     static_assert((std::is_same<decltype(std::hypot((float)0, (double)0)), double>::value), "");
 892     static_assert((std::is_same<decltype(std::hypot((float)0, (long double)0)), long double>::value), "");
 893     static_assert((std::is_same<decltype(std::hypot((double)0, (long double)0)), long double>::value), "");
 894     static_assert((std::is_same<decltype(std::hypotf(0,0)), float>::value), "");
 895     static_assert((std::is_same<decltype(std::hypotl(0,0)), long double>::value), "");
 896     static_assert((std::is_same<decltype(std::hypot((int)0, (int)0)), double>::value), "");
 897     assert(std::hypot(3,4) == 5);
 898 }
 899
 900 void test_ilogb()
 901 {
 902     static_assert((std::is_same<decltype(std::ilogb((float)0)), int>::value), "");
 903     static_assert((std::is_same<decltype(std::ilogb((bool)0)), int>::value), "");
 904     static_assert((std::is_same<decltype(std::ilogb((unsigned short)0)), int>::value), "");
 905     static_assert((std::is_same<decltype(std::ilogb((int)0)), int>::value), "");
 906     static_assert((std::is_same<decltype(std::ilogb((unsigned int)0)), int>::value), "");
 907     static_assert((std::is_same<decltype(std::ilogb((long)0)), int>::value), "");
 908     static_assert((std::is_same<decltype(std::ilogb((unsigned long)0)), int>::value), "");
 909     static_assert((std::is_same<decltype(std::ilogb((long long)0)), int>::value), "");
 910     static_assert((std::is_same<decltype(std::ilogb((unsigned long long)0)), int>::value), "");
 911     static_assert((std::is_same<decltype(std::ilogb((double)0)), int>::value), "");
 912     static_assert((std::is_same<decltype(std::ilogb((long double)0)), int>::value), "");
 913     static_assert((std::is_same<decltype(std::ilogbf(0)), int>::value), "");
 914     static_assert((std::is_same<decltype(std::ilogbl(0)), int>::value), "");
 915     assert(std::ilogb(1) == 0);
 916 }
 917
 918 void test_lgamma()
 919 {
 920     static_assert((std::is_same<decltype(std::lgamma((float)0)), float>::value), "");
 921     static_assert((std::is_same<decltype(std::lgamma((bool)0)), double>::value), "");
 922     static_assert((std::is_same<decltype(std::lgamma((unsigned short)0)), double>::value), "");
 923     static_assert((std::is_same<decltype(std::lgamma((int)0)), double>::value), "");
 924     static_assert((std::is_same<decltype(std::lgamma((unsigned int)0)), double>::value), "");
 925     static_assert((std::is_same<decltype(std::lgamma((long)0)), double>::value), "");
 926     static_assert((std::is_same<decltype(std::lgamma((unsigned long)0)), double>::value), "");
 927     static_assert((std::is_same<decltype(std::lgamma((long long)0)), double>::value), "");
 928     static_assert((std::is_same<decltype(std::lgamma((unsigned long long)0)), double>::value), "");
 929     static_assert((std::is_same<decltype(std::lgamma((double)0)), double>::value), "");
 930     static_assert((std::is_same<decltype(std::lgamma((long double)0)), long double>::value), "");
 931     static_assert((std::is_same<decltype(std::lgammaf(0)), float>::value), "");
 932     static_assert((std::is_same<decltype(std::lgammal(0)), long double>::value), "");
 933     assert(std::lgamma(1) == 0);
 934 }
 935
 936 void test_llrint()
 937 {
 938     static_assert((std::is_same<decltype(std::llrint((float)0)), long long>::value), "");
 939     static_assert((std::is_same<decltype(std::llrint((bool)0)), long long>::value), "");
 940     static_assert((std::is_same<decltype(std::llrint((unsigned short)0)), long long>::value), "");
 941     static_assert((std::is_same<decltype(std::llrint((int)0)), long long>::value), "");
 942     static_assert((std::is_same<decltype(std::llrint((unsigned int)0)), long long>::value), "");
 943     static_assert((std::is_same<decltype(std::llrint((long)0)), long long>::value), "");
 944     static_assert((std::is_same<decltype(std::llrint((unsigned long)0)), long long>::value), "");
 945     static_assert((std::is_same<decltype(std::llrint((long long)0)), long long>::value), "");
 946     static_assert((std::is_same<decltype(std::llrint((unsigned long long)0)), long long>::value), "");
 947     static_assert((std::is_same<decltype(std::llrint((double)0)), long long>::value), "");
 948     static_assert((std::is_same<decltype(std::llrint((long double)0)), long long>::value), "");
 949     static_assert((std::is_same<decltype(std::llrintf(0)), long long>::value), "");
 950     static_assert((std::is_same<decltype(std::llrintl(0)), long long>::value), "");
 951     assert(std::llrint(1) == 1LL);
 952 }
 953
 954 void test_llround()
 955 {
 956     static_assert((std::is_same<decltype(std::llround((float)0)), long long>::value), "");
 957     static_assert((std::is_same<decltype(std::llround((bool)0)), long long>::value), "");
 958     static_assert((std::is_same<decltype(std::llround((unsigned short)0)), long long>::value), "");
 959     static_assert((std::is_same<decltype(std::llround((int)0)), long long>::value), "");
 960     static_assert((std::is_same<decltype(std::llround((unsigned int)0)), long long>::value), "");
 961     static_assert((std::is_same<decltype(std::llround((long)0)), long long>::value), "");
 962     static_assert((std::is_same<decltype(std::llround((unsigned long)0)), long long>::value), "");
 963     static_assert((std::is_same<decltype(std::llround((long long)0)), long long>::value), "");
 964     static_assert((std::is_same<decltype(std::llround((unsigned long long)0)), long long>::value), "");
 965     static_assert((std::is_same<decltype(std::llround((double)0)), long long>::value), "");
 966     static_assert((std::is_same<decltype(std::llround((long double)0)), long long>::value), "");
 967     static_assert((std::is_same<decltype(std::llroundf(0)), long long>::value), "");
 968     static_assert((std::is_same<decltype(std::llroundl(0)), long long>::value), "");
 969     assert(std::llround(1) == 1LL);
 970 }
 971
 972 void test_log1p()
 973 {
 974     static_assert((std::is_same<decltype(std::log1p((float)0)), float>::value), "");
 975     static_assert((std::is_same<decltype(std::log1p((bool)0)), double>::value), "");
 976     static_assert((std::is_same<decltype(std::log1p((unsigned short)0)), double>::value), "");
 977     static_assert((std::is_same<decltype(std::log1p((int)0)), double>::value), "");
 978     static_assert((std::is_same<decltype(std::log1p((unsigned int)0)), double>::value), "");
 979     static_assert((std::is_same<decltype(std::log1p((long)0)), double>::value), "");
 980     static_assert((std::is_same<decltype(std::log1p((unsigned long)0)), double>::value), "");
 981     static_assert((std::is_same<decltype(std::log1p((long long)0)), double>::value), "");
 982     static_assert((std::is_same<decltype(std::log1p((unsigned long long)0)), double>::value), "");
 983     static_assert((std::is_same<decltype(std::log1p((double)0)), double>::value), "");
 984     static_assert((std::is_same<decltype(std::log1p((long double)0)), long double>::value), "");
 985     static_assert((std::is_same<decltype(std::log1pf(0)), float>::value), "");
 986     static_assert((std::is_same<decltype(std::log1pl(0)), long double>::value), "");
 987     assert(std::log1p(0) == 0);
 988 }
 989
 990 void test_log2()
 991 {
 992     static_assert((std::is_same<decltype(std::log2((float)0)), float>::value), "");
 993     static_assert((std::is_same<decltype(std::log2((bool)0)), double>::value), "");
 994     static_assert((std::is_same<decltype(std::log2((unsigned short)0)), double>::value), "");
 995     static_assert((std::is_same<decltype(std::log2((int)0)), double>::value), "");
 996     static_assert((std::is_same<decltype(std::log2((unsigned int)0)), double>::value), "");
 997     static_assert((std::is_same<decltype(std::log2((long)0)), double>::value), "");
 998     static_assert((std::is_same<decltype(std::log2((unsigned long)0)), double>::value), "");
 999     static_assert((std::is_same<decltype(std::log2((long long)0)), double>::value), "");
1000     static_assert((std::is_same<decltype(std::log2((unsigned long long)0)), double>::value), "");
1001     static_assert((std::is_same<decltype(std::log2((double)0)), double>::value), "");
1002     static_assert((std::is_same<decltype(std::log2((long double)0)), long double>::value), "");
1003     static_assert((std::is_same<decltype(std::log2f(0)), float>::value), "");
1004     static_assert((std::is_same<decltype(std::log2l(0)), long double>::value), "");
1005     assert(std::log2(1) == 0);
1006 }
1007
1008 void test_logb()
1009 {
1010     static_assert((std::is_same<decltype(std::logb((float)0)), float>::value), "");
1011     static_assert((std::is_same<decltype(std::logb((bool)0)), double>::value), "");
1012     static_assert((std::is_same<decltype(std::logb((unsigned short)0)), double>::value), "");
1013     static_assert((std::is_same<decltype(std::logb((int)0)), double>::value), "");
1014     static_assert((std::is_same<decltype(std::logb((unsigned int)0)), double>::value), "");
1015     static_assert((std::is_same<decltype(std::logb((long)0)), double>::value), "");
1016     static_assert((std::is_same<decltype(std::logb((unsigned long)0)), double>::value), "");
1017     static_assert((std::is_same<decltype(std::logb((long long)0)), double>::value), "");
1018     static_assert((std::is_same<decltype(std::logb((unsigned long long)0)), double>::value), "");
1019     static_assert((std::is_same<decltype(std::logb((double)0)), double>::value), "");
1020     static_assert((std::is_same<decltype(std::logb((long double)0)), long double>::value), "");
1021     static_assert((std::is_same<decltype(std::logbf(0)), float>::value), "");
1022     static_assert((std::is_same<decltype(std::logbl(0)), long double>::value), "");
1023     assert(std::logb(1) == 0);
1024 }
1025
1026 void test_lrint()
1027 {
1028     static_assert((std::is_same<decltype(std::lrint((float)0)), long>::value), "");
1029     static_assert((std::is_same<decltype(std::lrint((bool)0)), long>::value), "");
1030     static_assert((std::is_same<decltype(std::lrint((unsigned short)0)), long>::value), "");
1031     static_assert((std::is_same<decltype(std::lrint((int)0)), long>::value), "");
1032     static_assert((std::is_same<decltype(std::lrint((unsigned int)0)), long>::value), "");
1033     static_assert((std::is_same<decltype(std::lrint((long)0)), long>::value), "");
1034     static_assert((std::is_same<decltype(std::lrint((unsigned long)0)), long>::value), "");
1035     static_assert((std::is_same<decltype(std::lrint((long long)0)), long>::value), "");
1036     static_assert((std::is_same<decltype(std::lrint((unsigned long long)0)), long>::value), "");
1037     static_assert((std::is_same<decltype(std::lrint((double)0)), long>::value), "");
1038     static_assert((std::is_same<decltype(std::lrint((long double)0)), long>::value), "");
1039     static_assert((std::is_same<decltype(std::lrintf(0)), long>::value), "");
1040     static_assert((std::is_same<decltype(std::lrintl(0)), long>::value), "");
1041     assert(std::lrint(1) == 1L);
1042 }
1043
1044 void test_lround()
1045 {
1046     static_assert((std::is_same<decltype(std::lround((float)0)), long>::value), "");
1047     static_assert((std::is_same<decltype(std::lround((bool)0)), long>::value), "");
1048     static_assert((std::is_same<decltype(std::lround((unsigned short)0)), long>::value), "");
1049     static_assert((std::is_same<decltype(std::lround((int)0)), long>::value), "");
1050     static_assert((std::is_same<decltype(std::lround((unsigned int)0)), long>::value), "");
1051     static_assert((std::is_same<decltype(std::lround((long)0)), long>::value), "");
1052     static_assert((std::is_same<decltype(std::lround((unsigned long)0)), long>::value), "");
1053     static_assert((std::is_same<decltype(std::lround((long long)0)), long>::value), "");
1054     static_assert((std::is_same<decltype(std::lround((unsigned long long)0)), long>::value), "");
1055     static_assert((std::is_same<decltype(std::lround((double)0)), long>::value), "");
1056     static_assert((std::is_same<decltype(std::lround((long double)0)), long>::value), "");
1057     static_assert((std::is_same<decltype(std::lroundf(0)), long>::value), "");
1058     static_assert((std::is_same<decltype(std::lroundl(0)), long>::value), "");
1059     assert(std::lround(1) == 1L);
1060 }
1061
1062 void test_nan()
1063 {
1064     static_assert((std::is_same<decltype(std::nan("")), double>::value), "");
1065     static_assert((std::is_same<decltype(std::nanf("")), float>::value), "");
1066     static_assert((std::is_same<decltype(std::nanl("")), long double>::value), "");
1067 }
1068
1069 void test_nearbyint()
1070 {
1071     static_assert((std::is_same<decltype(std::nearbyint((float)0)), float>::value), "");
1072     static_assert((std::is_same<decltype(std::nearbyint((bool)0)), double>::value), "");
1073     static_assert((std::is_same<decltype(std::nearbyint((unsigned short)0)), double>::value), "");
1074     static_assert((std::is_same<decltype(std::nearbyint((int)0)), double>::value), "");
1075     static_assert((std::is_same<decltype(std::nearbyint((unsigned int)0)), double>::value), "");
1076     static_assert((std::is_same<decltype(std::nearbyint((long)0)), double>::value), "");
1077     static_assert((std::is_same<decltype(std::nearbyint((unsigned long)0)), double>::value), "");
1078     static_assert((std::is_same<decltype(std::nearbyint((long long)0)), double>::value), "");
1079     static_assert((std::is_same<decltype(std::nearbyint((unsigned long long)0)), double>::value), "");
1080     static_assert((std::is_same<decltype(std::nearbyint((double)0)), double>::value), "");
1081     static_assert((std::is_same<decltype(std::nearbyint((long double)0)), long double>::value), "");
1082     static_assert((std::is_same<decltype(std::nearbyintf(0)), float>::value), "");
1083     static_assert((std::is_same<decltype(std::nearbyintl(0)), long double>::value), "");
1084     assert(std::nearbyint(1) == 1);
1085 }
1086
1087 void test_nextafter()
1088 {
1089     static_assert((std::is_same<decltype(std::nextafter((float)0, (float)0)), float>::value), "");
1090     static_assert((std::is_same<decltype(std::nextafter((bool)0, (float)0)), double>::value), "");
1091     static_assert((std::is_same<decltype(std::nextafter((unsigned short)0, (double)0)), double>::value), "");
1092     static_assert((std::is_same<decltype(std::nextafter((int)0, (long double)0)), long double>::value), "");
1093     static_assert((std::is_same<decltype(std::nextafter((float)0, (unsigned int)0)), double>::value), "");
1094     static_assert((std::is_same<decltype(std::nextafter((double)0, (long)0)), double>::value), "");
1095     static_assert((std::is_same<decltype(std::nextafter((long double)0, (unsigned long)0)), long double>::value), "");
1096     static_assert((std::is_same<decltype(std::nextafter((int)0, (long long)0)), double>::value), "");
1097     static_assert((std::is_same<decltype(std::nextafter((int)0, (unsigned long long)0)), double>::value), "");
1098     static_assert((std::is_same<decltype(std::nextafter((double)0, (double)0)), double>::value), "");
1099     static_assert((std::is_same<decltype(std::nextafter((long double)0, (long double)0)), long double>::value), "");
1100     static_assert((std::is_same<decltype(std::nextafter((float)0, (double)0)), double>::value), "");
1101     static_assert((std::is_same<decltype(std::nextafter((float)0, (long double)0)), long double>::value), "");
1102     static_assert((std::is_same<decltype(std::nextafter((double)0, (long double)0)), long double>::value), "");
1103     static_assert((std::is_same<decltype(std::nextafterf(0,0)), float>::value), "");
1104     static_assert((std::is_same<decltype(std::nextafterl(0,0)), long double>::value), "");
1105     static_assert((std::is_same<decltype(std::nextafter((int)0, (int)0)), double>::value), "");
1106     assert(std::nextafter(0,1) == hexfloat<double>(0x1, 0, -1074));
1107 }
1108
1109 void test_nexttoward()
1110 {
1111     static_assert((std::is_same<decltype(std::nexttoward((float)0, (long double)0)), float>::value), "");
1112     static_assert((std::is_same<decltype(std::nexttoward((bool)0, (long double)0)), double>::value), "");
1113     static_assert((std::is_same<decltype(std::nexttoward((unsigned short)0, (long double)0)), double>::value), "");
1114     static_assert((std::is_same<decltype(std::nexttoward((int)0, (long double)0)), double>::value), "");
1115     static_assert((std::is_same<decltype(std::nexttoward((unsigned int)0, (long double)0)), double>::value), "");
1116     static_assert((std::is_same<decltype(std::nexttoward((long)0, (long double)0)), double>::value), "");
1117     static_assert((std::is_same<decltype(std::nexttoward((unsigned long)0, (long double)0)), double>::value), "");
1118     static_assert((std::is_same<decltype(std::nexttoward((long long)0, (long double)0)), double>::value), "");
1119     static_assert((std::is_same<decltype(std::nexttoward((unsigned long long)0, (long double)0)), double>::value), "");
1120     static_assert((std::is_same<decltype(std::nexttoward((double)0, (long double)0)), double>::value), "");
1121     static_assert((std::is_same<decltype(std::nexttoward((long double)0, (long double)0)), long double>::value), "");
1122     static_assert((std::is_same<decltype(std::nexttowardf(0, (long double)0)), float>::value), "");
1123     static_assert((std::is_same<decltype(std::nexttowardl(0, (long double)0)), long double>::value), "");
1124     assert(std::nexttoward(0, 1) == hexfloat<double>(0x1, 0, -1074));
1125 }
1126
1127 void test_remainder()
1128 {
1129     static_assert((std::is_same<decltype(std::remainder((float)0, (float)0)), float>::value), "");
1130     static_assert((std::is_same<decltype(std::remainder((bool)0, (float)0)), double>::value), "");
1131     static_assert((std::is_same<decltype(std::remainder((unsigned short)0, (double)0)), double>::value), "");
1132     static_assert((std::is_same<decltype(std::remainder((int)0, (long double)0)), long double>::value), "");
1133     static_assert((std::is_same<decltype(std::remainder((float)0, (unsigned int)0)), double>::value), "");
1134     static_assert((std::is_same<decltype(std::remainder((double)0, (long)0)), double>::value), "");
1135     static_assert((std::is_same<decltype(std::remainder((long double)0, (unsigned long)0)), long double>::value), "");
1136     static_assert((std::is_same<decltype(std::remainder((int)0, (long long)0)), double>::value), "");
1137     static_assert((std::is_same<decltype(std::remainder((int)0, (unsigned long long)0)), double>::value), "");
1138     static_assert((std::is_same<decltype(std::remainder((double)0, (double)0)), double>::value), "");
1139     static_assert((std::is_same<decltype(std::remainder((long double)0, (long double)0)), long double>::value), "");
1140     static_assert((std::is_same<decltype(std::remainder((float)0, (double)0)), double>::value), "");
1141     static_assert((std::is_same<decltype(std::remainder((float)0, (long double)0)), long double>::value), "");
1142     static_assert((std::is_same<decltype(std::remainder((double)0, (long double)0)), long double>::value), "");
1143     static_assert((std::is_same<decltype(std::remainderf(0,0)), float>::value), "");
1144     static_assert((std::is_same<decltype(std::remainderl(0,0)), long double>::value), "");
1145     static_assert((std::is_same<decltype(std::remainder((int)0, (int)0)), double>::value), "");
1146     assert(std::remainder(0.5,1) == 0.5);
1147 }
1148
1149 void test_remquo()
1150 {
1151     int ip;
1152     static_assert((std::is_same<decltype(std::remquo((float)0, (float)0, &ip)), float>::value), "");
1153     static_assert((std::is_same<decltype(std::remquo((bool)0, (float)0, &ip)), double>::value), "");
1154     static_assert((std::is_same<decltype(std::remquo((unsigned short)0, (double)0, &ip)), double>::value), "");
1155     static_assert((std::is_same<decltype(std::remquo((int)0, (long double)0, &ip)), long double>::value), "");
1156     static_assert((std::is_same<decltype(std::remquo((float)0, (unsigned int)0, &ip)), double>::value), "");
1157     static_assert((std::is_same<decltype(std::remquo((double)0, (long)0, &ip)), double>::value), "");
1158     static_assert((std::is_same<decltype(std::remquo((long double)0, (unsigned long)0, &ip)), long double>::value), "");
1159     static_assert((std::is_same<decltype(std::remquo((int)0, (long long)0, &ip)), double>::value), "");
1160     static_assert((std::is_same<decltype(std::remquo((int)0, (unsigned long long)0, &ip)), double>::value), "");
1161     static_assert((std::is_same<decltype(std::remquo((double)0, (double)0, &ip)), double>::value), "");
1162     static_assert((std::is_same<decltype(std::remquo((long double)0, (long double)0, &ip)), long double>::value), "");
1163     static_assert((std::is_same<decltype(std::remquo((float)0, (double)0, &ip)), double>::value), "");
1164     static_assert((std::is_same<decltype(std::remquo((float)0, (long double)0, &ip)), long double>::value), "");
1165     static_assert((std::is_same<decltype(std::remquo((double)0, (long double)0, &ip)), long double>::value), "");
1166     static_assert((std::is_same<decltype(std::remquof(0,0, &ip)), float>::value), "");
1167     static_assert((std::is_same<decltype(std::remquol(0,0, &ip)), long double>::value), "");
1168     static_assert((std::is_same<decltype(std::remquo((int)0, (int)0, &ip)), double>::value), "");
1169     assert(std::remquo(0.5,1, &ip) == 0.5);
1170 }
1171
1172 void test_rint()
1173 {
1174     static_assert((std::is_same<decltype(std::rint((float)0)), float>::value), "");
1175     static_assert((std::is_same<decltype(std::rint((bool)0)), double>::value), "");
1176     static_assert((std::is_same<decltype(std::rint((unsigned short)0)), double>::value), "");
1177     static_assert((std::is_same<decltype(std::rint((int)0)), double>::value), "");
1178     static_assert((std::is_same<decltype(std::rint((unsigned int)0)), double>::value), "");
1179     static_assert((std::is_same<decltype(std::rint((long)0)), double>::value), "");
1180     static_assert((std::is_same<decltype(std::rint((unsigned long)0)), double>::value), "");
1181     static_assert((std::is_same<decltype(std::rint((long long)0)), double>::value), "");
1182     static_assert((std::is_same<decltype(std::rint((unsigned long long)0)), double>::value), "");
1183     static_assert((std::is_same<decltype(std::rint((double)0)), double>::value), "");
1184     static_assert((std::is_same<decltype(std::rint((long double)0)), long double>::value), "");
1185     static_assert((std::is_same<decltype(std::rintf(0)), float>::value), "");
1186     static_assert((std::is_same<decltype(std::rintl(0)), long double>::value), "");
1187     assert(std::rint(1) == 1);
1188 }
1189
1190 void test_round()
1191 {
1192     static_assert((std::is_same<decltype(std::round((float)0)), float>::value), "");
1193     static_assert((std::is_same<decltype(std::round((bool)0)), double>::value), "");
1194     static_assert((std::is_same<decltype(std::round((unsigned short)0)), double>::value), "");
1195     static_assert((std::is_same<decltype(std::round((int)0)), double>::value), "");
1196     static_assert((std::is_same<decltype(std::round((unsigned int)0)), double>::value), "");
1197     static_assert((std::is_same<decltype(std::round((long)0)), double>::value), "");
1198     static_assert((std::is_same<decltype(std::round((unsigned long)0)), double>::value), "");
1199     static_assert((std::is_same<decltype(std::round((long long)0)), double>::value), "");
1200     static_assert((std::is_same<decltype(std::round((unsigned long long)0)), double>::value), "");
1201     static_assert((std::is_same<decltype(std::round((double)0)), double>::value), "");
1202     static_assert((std::is_same<decltype(std::round((long double)0)), long double>::value), "");
1203     static_assert((std::is_same<decltype(std::roundf(0)), float>::value), "");
1204     static_assert((std::is_same<decltype(std::roundl(0)), long double>::value), "");
1205     assert(std::round(1) == 1);
1206 }
1207
1208 void test_scalbln()
1209 {
1210     static_assert((std::is_same<decltype(std::scalbln((float)0, (long)0)), float>::value), "");
1211     static_assert((std::is_same<decltype(std::scalbln((bool)0, (long)0)), double>::value), "");
1212     static_assert((std::is_same<decltype(std::scalbln((unsigned short)0, (long)0)), double>::value), "");
1213     static_assert((std::is_same<decltype(std::scalbln((int)0, (long)0)), double>::value), "");
1214     static_assert((std::is_same<decltype(std::scalbln((unsigned int)0, (long)0)), double>::value), "");
1215     static_assert((std::is_same<decltype(std::scalbln((long)0, (long)0)), double>::value), "");
1216     static_assert((std::is_same<decltype(std::scalbln((unsigned long)0, (long)0)), double>::value), "");
1217     static_assert((std::is_same<decltype(std::scalbln((long long)0, (long)0)), double>::value), "");
1218     static_assert((std::is_same<decltype(std::scalbln((unsigned long long)0, (long)0)), double>::value), "");
1219     static_assert((std::is_same<decltype(std::scalbln((double)0, (long)0)), double>::value), "");
1220     static_assert((std::is_same<decltype(std::scalbln((long double)0, (long)0)), long double>::value), "");
1221     static_assert((std::is_same<decltype(std::scalblnf(0, (long)0)), float>::value), "");
1222     static_assert((std::is_same<decltype(std::scalblnl(0, (long)0)), long double>::value), "");
1223     assert(std::scalbln(1, 1) == 2);
1224 }
1225
1226 void test_scalbn()
1227 {
1228     static_assert((std::is_same<decltype(std::scalbn((float)0, (int)0)), float>::value), "");
1229     static_assert((std::is_same<decltype(std::scalbn((bool)0, (int)0)), double>::value), "");
1230     static_assert((std::is_same<decltype(std::scalbn((unsigned short)0, (int)0)), double>::value), "");
1231     static_assert((std::is_same<decltype(std::scalbn((int)0, (int)0)), double>::value), "");
1232     static_assert((std::is_same<decltype(std::scalbn((unsigned int)0, (int)0)), double>::value), "");
1233     static_assert((std::is_same<decltype(std::scalbn((long)0, (int)0)), double>::value), "");
1234     static_assert((std::is_same<decltype(std::scalbn((unsigned long)0, (int)0)), double>::value), "");
1235     static_assert((std::is_same<decltype(std::scalbn((long long)0, (int)0)), double>::value), "");
1236     static_assert((std::is_same<decltype(std::scalbn((unsigned long long)0, (int)0)), double>::value), "");
1237     static_assert((std::is_same<decltype(std::scalbn((double)0, (int)0)), double>::value), "");
1238     static_assert((std::is_same<decltype(std::scalbn((long double)0, (int)0)), long double>::value), "");
1239     static_assert((std::is_same<decltype(std::scalbnf(0, (int)0)), float>::value), "");
1240     static_assert((std::is_same<decltype(std::scalbnl(0, (int)0)), long double>::value), "");
1241     assert(std::scalbn(1, 1) == 2);
1242 }
1243
1244 void test_tgamma()
1245 {
1246     static_assert((std::is_same<decltype(std::tgamma((float)0)), float>::value), "");
1247     static_assert((std::is_same<decltype(std::tgamma((bool)0)), double>::value), "");
1248     static_assert((std::is_same<decltype(std::tgamma((unsigned short)0)), double>::value), "");
1249     static_assert((std::is_same<decltype(std::tgamma((int)0)), double>::value), "");
1250     static_assert((std::is_same<decltype(std::tgamma((unsigned int)0)), double>::value), "");
1251     static_assert((std::is_same<decltype(std::tgamma((long)0)), double>::value), "");
1252     static_assert((std::is_same<decltype(std::tgamma((unsigned long)0)), double>::value), "");
1253     static_assert((std::is_same<decltype(std::tgamma((long long)0)), double>::value), "");
1254     static_assert((std::is_same<decltype(std::tgamma((unsigned long long)0)), double>::value), "");
1255     static_assert((std::is_same<decltype(std::tgamma((double)0)), double>::value), "");
1256     static_assert((std::is_same<decltype(std::tgamma((long double)0)), long double>::value), "");
1257     static_assert((std::is_same<decltype(std::tgammaf(0)), float>::value), "");
1258     static_assert((std::is_same<decltype(std::tgammal(0)), long double>::value), "");
1259     assert(std::tgamma(1) == 1);
1260 }
1261
1262 void test_trunc()
1263 {
1264     static_assert((std::is_same<decltype(std::trunc((float)0)), float>::value), "");
1265     static_assert((std::is_same<decltype(std::trunc((bool)0)), double>::value), "");
1266     static_assert((std::is_same<decltype(std::trunc((unsigned short)0)), double>::value), "");
1267     static_assert((std::is_same<decltype(std::trunc((int)0)), double>::value), "");
1268     static_assert((std::is_same<decltype(std::trunc((unsigned int)0)), double>::value), "");
1269     static_assert((std::is_same<decltype(std::trunc((long)0)), double>::value), "");
1270     static_assert((std::is_same<decltype(std::trunc((unsigned long)0)), double>::value), "");
1271     static_assert((std::is_same<decltype(std::trunc((long long)0)), double>::value), "");
1272     static_assert((std::is_same<decltype(std::trunc((unsigned long long)0)), double>::value), "");
1273     static_assert((std::is_same<decltype(std::trunc((double)0)), double>::value), "");
1274     static_assert((std::is_same<decltype(std::trunc((long double)0)), long double>::value), "");
1275     static_assert((std::is_same<decltype(std::truncf(0)), float>::value), "");
1276     static_assert((std::is_same<decltype(std::truncl(0)), long double>::value), "");
1277     assert(std::trunc(1) == 1);
1278 }
1279
1280 int main()
1281 {
1282     test_acos();
1283     test_asin();
1284     test_atan();
1285     test_atan2();
1286     test_ceil();
1287     test_cos();
1288     test_cosh();
1289     test_exp();
1290     test_fabs();
1291     test_floor();
1292     test_fmod();
1293     test_frexp();
1294     test_ldexp();
1295     test_log();
1296     test_log10();
1297     test_modf();
1298     test_pow();
1299     test_sin();
1300     test_sinh();
1301     test_sqrt();
1302     test_tan();
1303     test_tanh();
1304     test_signbit();
1305     test_fpclassify();
1306     test_isfinite();
1307     test_isinf();
1308     test_isnan();
1309     test_isnormal();
1310     test_isgreater();
1311     test_isgreaterequal();
1312     test_isless();
1313     test_islessequal();
1314     test_islessgreater();
1315     test_isunordered();
1316     test_acosh();
1317     test_asinh();
1318     test_atanh();
1319     test_cbrt();
1320     test_copysign();
1321     test_erf();
1322     test_erfc();
1323     test_exp2();
1324     test_expm1();
1325     test_fdim();
1326     test_fma();
1327     test_fmax();
1328     test_fmin();
1329     test_hypot();
1330     test_ilogb();
1331     test_lgamma();
1332     test_llrint();
1333     test_llround();
1334     test_log1p();
1335     test_log2();
1336     test_logb();
1337     test_lrint();
1338     test_lround();
1339     test_nan();
1340     test_nearbyint();
1341     test_nextafter();
1342     test_nexttoward();
1343     test_remainder();
1344     test_remquo();
1345     test_rint();
1346     test_round();
1347     test_scalbln();
1348     test_scalbn();
1349     test_tgamma();
1350     test_trunc();
1351 }