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 // NOTE: isinf and isnan are tested separately because they are expected to fail
  13 // on linux. We don't want their expected failure to hide other failures in this file.
  14
  15 #include <cmath>
  16 #include <type_traits>
  17 #include <cassert>
  18
  19 #include "hexfloat.h"
  20
  21 // convertible to int/float/double/etc
  22 template <class T, int N=0>
  23 struct Value {
  24     operator T () { return T(N); }
  25 };
  26
  27 void test_abs()
  28 {
  29     static_assert((std::is_same<decltype(std::abs((float)0)), float>::value), "");
  30     static_assert((std::is_same<decltype(std::abs((double)0)), double>::value), "");
  31     static_assert((std::is_same<decltype(std::abs((long double)0)), long double>::value), "");
  32     assert(std::abs(-1.) == 1);
  33 }
  34
  35 void test_acos()
  36 {
  37     static_assert((std::is_same<decltype(std::acos((float)0)), float>::value), "");
  38     static_assert((std::is_same<decltype(std::acos((bool)0)), double>::value), "");
  39     static_assert((std::is_same<decltype(std::acos((unsigned short)0)), double>::value), "");
  40     static_assert((std::is_same<decltype(std::acos((int)0)), double>::value), "");
  41     static_assert((std::is_same<decltype(std::acos((unsigned int)0)), double>::value), "");
  42     static_assert((std::is_same<decltype(std::acos((long)0)), double>::value), "");
  43     static_assert((std::is_same<decltype(std::acos((unsigned long)0)), double>::value), "");
  44     static_assert((std::is_same<decltype(std::acos((long long)0)), double>::value), "");
  45     static_assert((std::is_same<decltype(std::acos((unsigned long long)0)), double>::value), "");
  46     static_assert((std::is_same<decltype(std::acos((double)0)), double>::value), "");
  47     static_assert((std::is_same<decltype(std::acos((long double)0)), long double>::value), "");
  48     static_assert((std::is_same<decltype(std::acosf(0)), float>::value), "");
  49     static_assert((std::is_same<decltype(std::acosl(0)), long double>::value), "");
  50     assert(std::acos(1) == 0);
  51 }
  52
  53 void test_asin()
  54 {
  55     static_assert((std::is_same<decltype(std::asin((float)0)), float>::value), "");
  56     static_assert((std::is_same<decltype(std::asin((bool)0)), double>::value), "");
  57     static_assert((std::is_same<decltype(std::asin((unsigned short)0)), double>::value), "");
  58     static_assert((std::is_same<decltype(std::asin((int)0)), double>::value), "");
  59     static_assert((std::is_same<decltype(std::asin((unsigned int)0)), double>::value), "");
  60     static_assert((std::is_same<decltype(std::asin((long)0)), double>::value), "");
  61     static_assert((std::is_same<decltype(std::asin((unsigned long)0)), double>::value), "");
  62     static_assert((std::is_same<decltype(std::asin((long long)0)), double>::value), "");
  63     static_assert((std::is_same<decltype(std::asin((unsigned long long)0)), double>::value), "");
  64     static_assert((std::is_same<decltype(std::asin((double)0)), double>::value), "");
  65     static_assert((std::is_same<decltype(std::asin((long double)0)), long double>::value), "");
  66     static_assert((std::is_same<decltype(std::asinf(0)), float>::value), "");
  67     static_assert((std::is_same<decltype(std::asinl(0)), long double>::value), "");
  68     assert(std::asin(0) == 0);
  69 }
  70
  71 void test_atan()
  72 {
  73     static_assert((std::is_same<decltype(std::atan((float)0)), float>::value), "");
  74     static_assert((std::is_same<decltype(std::atan((bool)0)), double>::value), "");
  75     static_assert((std::is_same<decltype(std::atan((unsigned short)0)), double>::value), "");
  76     static_assert((std::is_same<decltype(std::atan((int)0)), double>::value), "");
  77     static_assert((std::is_same<decltype(std::atan((unsigned int)0)), double>::value), "");
  78     static_assert((std::is_same<decltype(std::atan((long)0)), double>::value), "");
  79     static_assert((std::is_same<decltype(std::atan((unsigned long)0)), double>::value), "");
  80     static_assert((std::is_same<decltype(std::atan((long long)0)), double>::value), "");
  81     static_assert((std::is_same<decltype(std::atan((unsigned long long)0)), double>::value), "");
  82     static_assert((std::is_same<decltype(std::atan((double)0)), double>::value), "");
  83     static_assert((std::is_same<decltype(std::atan((long double)0)), long double>::value), "");
  84     static_assert((std::is_same<decltype(std::atanf(0)), float>::value), "");
  85     static_assert((std::is_same<decltype(std::atanl(0)), long double>::value), "");
  86     assert(std::atan(0) == 0);
  87 }
  88
  89 void test_atan2()
  90 {
  91     static_assert((std::is_same<decltype(std::atan2((float)0, (float)0)), float>::value), "");
  92     static_assert((std::is_same<decltype(std::atan2((bool)0, (float)0)), double>::value), "");
  93     static_assert((std::is_same<decltype(std::atan2((unsigned short)0, (double)0)), double>::value), "");
  94     static_assert((std::is_same<decltype(std::atan2((int)0, (long double)0)), long double>::value), "");
  95     static_assert((std::is_same<decltype(std::atan2((float)0, (unsigned int)0)), double>::value), "");
  96     static_assert((std::is_same<decltype(std::atan2((double)0, (long)0)), double>::value), "");
  97     static_assert((std::is_same<decltype(std::atan2((long double)0, (unsigned long)0)), long double>::value), "");
  98     static_assert((std::is_same<decltype(std::atan2((int)0, (long long)0)), double>::value), "");
  99     static_assert((std::is_same<decltype(std::atan2((int)0, (unsigned long long)0)), double>::value), "");
 100     static_assert((std::is_same<decltype(std::atan2((double)0, (double)0)), double>::value), "");
 101     static_assert((std::is_same<decltype(std::atan2((long double)0, (long double)0)), long double>::value), "");
 102     static_assert((std::is_same<decltype(std::atan2((float)0, (double)0)), double>::value), "");
 103     static_assert((std::is_same<decltype(std::atan2((float)0, (long double)0)), long double>::value), "");
 104     static_assert((std::is_same<decltype(std::atan2((double)0, (long double)0)), long double>::value), "");
 105     static_assert((std::is_same<decltype(std::atan2f(0,0)), float>::value), "");
 106     static_assert((std::is_same<decltype(std::atan2l(0,0)), long double>::value), "");
 107     static_assert((std::is_same<decltype(std::atan2((int)0, (int)0)), double>::value), "");
 108     assert(std::atan2(0,1) == 0);
 109 }
 110
 111 void test_ceil()
 112 {
 113     static_assert((std::is_same<decltype(std::ceil((float)0)), float>::value), "");
 114     static_assert((std::is_same<decltype(std::ceil((bool)0)), double>::value), "");
 115     static_assert((std::is_same<decltype(std::ceil((unsigned short)0)), double>::value), "");
 116     static_assert((std::is_same<decltype(std::ceil((int)0)), double>::value), "");
 117     static_assert((std::is_same<decltype(std::ceil((unsigned int)0)), double>::value), "");
 118     static_assert((std::is_same<decltype(std::ceil((long)0)), double>::value), "");
 119     static_assert((std::is_same<decltype(std::ceil((unsigned long)0)), double>::value), "");
 120     static_assert((std::is_same<decltype(std::ceil((long long)0)), double>::value), "");
 121     static_assert((std::is_same<decltype(std::ceil((unsigned long long)0)), double>::value), "");
 122     static_assert((std::is_same<decltype(std::ceil((double)0)), double>::value), "");
 123     static_assert((std::is_same<decltype(std::ceil((long double)0)), long double>::value), "");
 124     static_assert((std::is_same<decltype(std::ceilf(0)), float>::value), "");
 125     static_assert((std::is_same<decltype(std::ceill(0)), long double>::value), "");
 126     assert(std::ceil(0) == 0);
 127 }
 128
 129 void test_cos()
 130 {
 131     static_assert((std::is_same<decltype(std::cos((float)0)), float>::value), "");
 132     static_assert((std::is_same<decltype(std::cos((bool)0)), double>::value), "");
 133     static_assert((std::is_same<decltype(std::cos((unsigned short)0)), double>::value), "");
 134     static_assert((std::is_same<decltype(std::cos((int)0)), double>::value), "");
 135     static_assert((std::is_same<decltype(std::cos((unsigned int)0)), double>::value), "");
 136     static_assert((std::is_same<decltype(std::cos((long)0)), double>::value), "");
 137     static_assert((std::is_same<decltype(std::cos((unsigned long)0)), double>::value), "");
 138     static_assert((std::is_same<decltype(std::cos((long long)0)), double>::value), "");
 139     static_assert((std::is_same<decltype(std::cos((unsigned long long)0)), double>::value), "");
 140     static_assert((std::is_same<decltype(std::cos((double)0)), double>::value), "");
 141     static_assert((std::is_same<decltype(std::cos((long double)0)), long double>::value), "");
 142     static_assert((std::is_same<decltype(std::cosf(0)), float>::value), "");
 143     static_assert((std::is_same<decltype(std::cosl(0)), long double>::value), "");
 144     assert(std::cos(0) == 1);
 145 }
 146
 147 void test_cosh()
 148 {
 149     static_assert((std::is_same<decltype(std::cosh((float)0)), float>::value), "");
 150     static_assert((std::is_same<decltype(std::cosh((bool)0)), double>::value), "");
 151     static_assert((std::is_same<decltype(std::cosh((unsigned short)0)), double>::value), "");
 152     static_assert((std::is_same<decltype(std::cosh((int)0)), double>::value), "");
 153     static_assert((std::is_same<decltype(std::cosh((unsigned int)0)), double>::value), "");
 154     static_assert((std::is_same<decltype(std::cosh((long)0)), double>::value), "");
 155     static_assert((std::is_same<decltype(std::cosh((unsigned long)0)), double>::value), "");
 156     static_assert((std::is_same<decltype(std::cosh((long long)0)), double>::value), "");
 157     static_assert((std::is_same<decltype(std::cosh((unsigned long long)0)), double>::value), "");
 158     static_assert((std::is_same<decltype(std::cosh((double)0)), double>::value), "");
 159     static_assert((std::is_same<decltype(std::cosh((long double)0)), long double>::value), "");
 160     static_assert((std::is_same<decltype(std::coshf(0)), float>::value), "");
 161     static_assert((std::is_same<decltype(std::coshl(0)), long double>::value), "");
 162     assert(std::cosh(0) == 1);
 163 }
 164
 165 void test_exp()
 166 {
 167     static_assert((std::is_same<decltype(std::exp((float)0)), float>::value), "");
 168     static_assert((std::is_same<decltype(std::exp((bool)0)), double>::value), "");
 169     static_assert((std::is_same<decltype(std::exp((unsigned short)0)), double>::value), "");
 170     static_assert((std::is_same<decltype(std::exp((int)0)), double>::value), "");
 171     static_assert((std::is_same<decltype(std::exp((unsigned int)0)), double>::value), "");
 172     static_assert((std::is_same<decltype(std::exp((long)0)), double>::value), "");
 173     static_assert((std::is_same<decltype(std::exp((unsigned long)0)), double>::value), "");
 174     static_assert((std::is_same<decltype(std::exp((long long)0)), double>::value), "");
 175     static_assert((std::is_same<decltype(std::exp((unsigned long long)0)), double>::value), "");
 176     static_assert((std::is_same<decltype(std::exp((double)0)), double>::value), "");
 177     static_assert((std::is_same<decltype(std::exp((long double)0)), long double>::value), "");
 178     static_assert((std::is_same<decltype(std::expf(0)), float>::value), "");
 179     static_assert((std::is_same<decltype(std::expl(0)), long double>::value), "");
 180     assert(std::exp(0) == 1);
 181 }
 182
 183 void test_fabs()
 184 {
 185     static_assert((std::is_same<decltype(std::fabs((float)0)), float>::value), "");
 186     static_assert((std::is_same<decltype(std::fabs((bool)0)), double>::value), "");
 187     static_assert((std::is_same<decltype(std::fabs((unsigned short)0)), double>::value), "");
 188     static_assert((std::is_same<decltype(std::fabs((int)0)), double>::value), "");
 189     static_assert((std::is_same<decltype(std::fabs((unsigned int)0)), double>::value), "");
 190     static_assert((std::is_same<decltype(std::fabs((long)0)), double>::value), "");
 191     static_assert((std::is_same<decltype(std::fabs((unsigned long)0)), double>::value), "");
 192     static_assert((std::is_same<decltype(std::fabs((long long)0)), double>::value), "");
 193     static_assert((std::is_same<decltype(std::fabs((unsigned long long)0)), double>::value), "");
 194     static_assert((std::is_same<decltype(std::fabs((double)0)), double>::value), "");
 195     static_assert((std::is_same<decltype(std::fabs((long double)0)), long double>::value), "");
 196     static_assert((std::is_same<decltype(std::fabsf(0.0f)), float>::value), "");
 197     static_assert((std::is_same<decltype(std::fabsl(0.0L)), long double>::value), "");
 198     assert(std::fabs(-1) == 1);
 199 }
 200
 201 void test_floor()
 202 {
 203     static_assert((std::is_same<decltype(std::floor((float)0)), float>::value), "");
 204     static_assert((std::is_same<decltype(std::floor((bool)0)), double>::value), "");
 205     static_assert((std::is_same<decltype(std::floor((unsigned short)0)), double>::value), "");
 206     static_assert((std::is_same<decltype(std::floor((int)0)), double>::value), "");
 207     static_assert((std::is_same<decltype(std::floor((unsigned int)0)), double>::value), "");
 208     static_assert((std::is_same<decltype(std::floor((long)0)), double>::value), "");
 209     static_assert((std::is_same<decltype(std::floor((unsigned long)0)), double>::value), "");
 210     static_assert((std::is_same<decltype(std::floor((long long)0)), double>::value), "");
 211     static_assert((std::is_same<decltype(std::floor((unsigned long long)0)), double>::value), "");
 212     static_assert((std::is_same<decltype(std::floor((double)0)), double>::value), "");
 213     static_assert((std::is_same<decltype(std::floor((long double)0)), long double>::value), "");
 214     static_assert((std::is_same<decltype(std::floorf(0)), float>::value), "");
 215     static_assert((std::is_same<decltype(std::floorl(0)), long double>::value), "");
 216     assert(std::floor(1) == 1);
 217 }
 218
 219 void test_fmod()
 220 {
 221     static_assert((std::is_same<decltype(std::fmod((float)0, (float)0)), float>::value), "");
 222     static_assert((std::is_same<decltype(std::fmod((bool)0, (float)0)), double>::value), "");
 223     static_assert((std::is_same<decltype(std::fmod((unsigned short)0, (double)0)), double>::value), "");
 224     static_assert((std::is_same<decltype(std::fmod((int)0, (long double)0)), long double>::value), "");
 225     static_assert((std::is_same<decltype(std::fmod((float)0, (unsigned int)0)), double>::value), "");
 226     static_assert((std::is_same<decltype(std::fmod((double)0, (long)0)), double>::value), "");
 227     static_assert((std::is_same<decltype(std::fmod((long double)0, (unsigned long)0)), long double>::value), "");
 228     static_assert((std::is_same<decltype(std::fmod((int)0, (long long)0)), double>::value), "");
 229     static_assert((std::is_same<decltype(std::fmod((int)0, (unsigned long long)0)), double>::value), "");
 230     static_assert((std::is_same<decltype(std::fmod((double)0, (double)0)), double>::value), "");
 231     static_assert((std::is_same<decltype(std::fmod((long double)0, (long double)0)), long double>::value), "");
 232     static_assert((std::is_same<decltype(std::fmod((float)0, (double)0)), double>::value), "");
 233     static_assert((std::is_same<decltype(std::fmod((float)0, (long double)0)), long double>::value), "");
 234     static_assert((std::is_same<decltype(std::fmod((double)0, (long double)0)), long double>::value), "");
 235     static_assert((std::is_same<decltype(std::fmodf(0,0)), float>::value), "");
 236     static_assert((std::is_same<decltype(std::fmodl(0,0)), long double>::value), "");
 237     static_assert((std::is_same<decltype(std::fmod((int)0, (int)0)), double>::value), "");
 238     assert(std::fmod(1.5,1) == .5);
 239 }
 240
 241 void test_frexp()
 242 {
 243     int ip;
 244     static_assert((std::is_same<decltype(std::frexp((float)0, &ip)), float>::value), "");
 245     static_assert((std::is_same<decltype(std::frexp((bool)0, &ip)), double>::value), "");
 246     static_assert((std::is_same<decltype(std::frexp((unsigned short)0, &ip)), double>::value), "");
 247     static_assert((std::is_same<decltype(std::frexp((int)0, &ip)), double>::value), "");
 248     static_assert((std::is_same<decltype(std::frexp((unsigned int)0, &ip)), double>::value), "");
 249     static_assert((std::is_same<decltype(std::frexp((long)0, &ip)), double>::value), "");
 250     static_assert((std::is_same<decltype(std::frexp((unsigned long)0, &ip)), double>::value), "");
 251     static_assert((std::is_same<decltype(std::frexp((long long)0, &ip)), double>::value), "");
 252     static_assert((std::is_same<decltype(std::frexp((unsigned long long)0, &ip)), double>::value), "");
 253     static_assert((std::is_same<decltype(std::frexp((double)0, &ip)), double>::value), "");
 254     static_assert((std::is_same<decltype(std::frexp((long double)0, &ip)), long double>::value), "");
 255     static_assert((std::is_same<decltype(std::frexpf(0, &ip)), float>::value), "");
 256     static_assert((std::is_same<decltype(std::frexpl(0, &ip)), long double>::value), "");
 257     assert(std::frexp(0, &ip) == 0);
 258 }
 259
 260 void test_ldexp()
 261 {
 262     int ip = 1;
 263     static_assert((std::is_same<decltype(std::ldexp((float)0, ip)), float>::value), "");
 264     static_assert((std::is_same<decltype(std::ldexp((bool)0, ip)), double>::value), "");
 265     static_assert((std::is_same<decltype(std::ldexp((unsigned short)0, ip)), double>::value), "");
 266     static_assert((std::is_same<decltype(std::ldexp((int)0, ip)), double>::value), "");
 267     static_assert((std::is_same<decltype(std::ldexp((unsigned int)0, ip)), double>::value), "");
 268     static_assert((std::is_same<decltype(std::ldexp((long)0, ip)), double>::value), "");
 269     static_assert((std::is_same<decltype(std::ldexp((unsigned long)0, ip)), double>::value), "");
 270     static_assert((std::is_same<decltype(std::ldexp((long long)0, ip)), double>::value), "");
 271     static_assert((std::is_same<decltype(std::ldexp((unsigned long long)0, ip)), double>::value), "");
 272     static_assert((std::is_same<decltype(std::ldexp((double)0, ip)), double>::value), "");
 273     static_assert((std::is_same<decltype(std::ldexp((long double)0, ip)), long double>::value), "");
 274     static_assert((std::is_same<decltype(std::ldexpf(0, ip)), float>::value), "");
 275     static_assert((std::is_same<decltype(std::ldexpl(0, ip)), long double>::value), "");
 276     assert(std::ldexp(1, ip) == 2);
 277 }
 278
 279 void test_log()
 280 {
 281     static_assert((std::is_same<decltype(std::log((float)0)), float>::value), "");
 282     static_assert((std::is_same<decltype(std::log((bool)0)), double>::value), "");
 283     static_assert((std::is_same<decltype(std::log((unsigned short)0)), double>::value), "");
 284     static_assert((std::is_same<decltype(std::log((int)0)), double>::value), "");
 285     static_assert((std::is_same<decltype(std::log((unsigned int)0)), double>::value), "");
 286     static_assert((std::is_same<decltype(std::log((long)0)), double>::value), "");
 287     static_assert((std::is_same<decltype(std::log((unsigned long)0)), double>::value), "");
 288     static_assert((std::is_same<decltype(std::log((long long)0)), double>::value), "");
 289     static_assert((std::is_same<decltype(std::log((unsigned long long)0)), double>::value), "");
 290     static_assert((std::is_same<decltype(std::log((double)0)), double>::value), "");
 291     static_assert((std::is_same<decltype(std::log((long double)0)), long double>::value), "");
 292     static_assert((std::is_same<decltype(std::logf(0)), float>::value), "");
 293     static_assert((std::is_same<decltype(std::logl(0)), long double>::value), "");
 294     assert(std::log(1) == 0);
 295 }
 296
 297 void test_log10()
 298 {
 299     static_assert((std::is_same<decltype(std::log10((float)0)), float>::value), "");
 300     static_assert((std::is_same<decltype(std::log10((bool)0)), double>::value), "");
 301     static_assert((std::is_same<decltype(std::log10((unsigned short)0)), double>::value), "");
 302     static_assert((std::is_same<decltype(std::log10((int)0)), double>::value), "");
 303     static_assert((std::is_same<decltype(std::log10((unsigned int)0)), double>::value), "");
 304     static_assert((std::is_same<decltype(std::log10((long)0)), double>::value), "");
 305     static_assert((std::is_same<decltype(std::log10((unsigned long)0)), double>::value), "");
 306     static_assert((std::is_same<decltype(std::log10((long long)0)), double>::value), "");
 307     static_assert((std::is_same<decltype(std::log10((unsigned long long)0)), double>::value), "");
 308     static_assert((std::is_same<decltype(std::log10((double)0)), double>::value), "");
 309     static_assert((std::is_same<decltype(std::log10((long double)0)), long double>::value), "");
 310     static_assert((std::is_same<decltype(std::log10f(0)), float>::value), "");
 311     static_assert((std::is_same<decltype(std::log10l(0)), long double>::value), "");
 312     assert(std::log10(1) == 0);
 313 }
 314
 315 void test_modf()
 316 {
 317     static_assert((std::is_same<decltype(std::modf((float)0, (float*)0)), float>::value), "");
 318     static_assert((std::is_same<decltype(std::modf((double)0, (double*)0)), double>::value), "");
 319     static_assert((std::is_same<decltype(std::modf((long double)0, (long double*)0)), long double>::value), "");
 320     static_assert((std::is_same<decltype(std::modff(0, (float*)0)), float>::value), "");
 321     static_assert((std::is_same<decltype(std::modfl(0, (long double*)0)), long double>::value), "");
 322     double i;
 323     assert(std::modf(1., &i) == 0);
 324 }
 325
 326 void test_pow()
 327 {
 328     static_assert((std::is_same<decltype(std::pow((float)0, (float)0)), float>::value), "");
 329     static_assert((std::is_same<decltype(std::pow((bool)0, (float)0)), double>::value), "");
 330     static_assert((std::is_same<decltype(std::pow((unsigned short)0, (double)0)), double>::value), "");
 331     static_assert((std::is_same<decltype(std::pow((int)0, (long double)0)), long double>::value), "");
 332     static_assert((std::is_same<decltype(std::pow((float)0, (unsigned int)0)), double>::value), "");
 333     static_assert((std::is_same<decltype(std::pow((double)0, (long)0)), double>::value), "");
 334     static_assert((std::is_same<decltype(std::pow((long double)0, (unsigned long)0)), long double>::value), "");
 335     static_assert((std::is_same<decltype(std::pow((int)0, (long long)0)), double>::value), "");
 336     static_assert((std::is_same<decltype(std::pow((int)0, (unsigned long long)0)), double>::value), "");
 337     static_assert((std::is_same<decltype(std::pow((double)0, (double)0)), double>::value), "");
 338     static_assert((std::is_same<decltype(std::pow((long double)0, (long double)0)), long double>::value), "");
 339     static_assert((std::is_same<decltype(std::pow((float)0, (double)0)), double>::value), "");
 340     static_assert((std::is_same<decltype(std::pow((float)0, (long double)0)), long double>::value), "");
 341     static_assert((std::is_same<decltype(std::pow((double)0, (long double)0)), long double>::value), "");
 342     static_assert((std::is_same<decltype(std::powf(0,0)), float>::value), "");
 343     static_assert((std::is_same<decltype(std::powl(0,0)), long double>::value), "");
 344     static_assert((std::is_same<decltype(std::pow((int)0, (int)0)), double>::value), "");
 345 //     static_assert((std::is_same<decltype(std::pow(Value<int>(), (int)0)), double>::value), "");
 346 //     static_assert((std::is_same<decltype(std::pow(Value<long double>(), (float)0)), long double>::value), "");
 347 //     static_assert((std::is_same<decltype(std::pow((float) 0, Value<float>())), float>::value), "");
 348     assert(std::pow(1,1) == 1);
 349 //     assert(std::pow(Value<int,1>(), Value<float,1>())  == 1);
 350 //     assert(std::pow(1.0f, Value<double,1>()) == 1);
 351 //     assert(std::pow(1.0, Value<int,1>()) == 1);
 352 //     assert(std::pow(Value<long double,1>(), 1LL) == 1);
 353 }
 354
 355 void test_sin()
 356 {
 357     static_assert((std::is_same<decltype(std::sin((float)0)), float>::value), "");
 358     static_assert((std::is_same<decltype(std::sin((bool)0)), double>::value), "");
 359     static_assert((std::is_same<decltype(std::sin((unsigned short)0)), double>::value), "");
 360     static_assert((std::is_same<decltype(std::sin((int)0)), double>::value), "");
 361     static_assert((std::is_same<decltype(std::sin((unsigned int)0)), double>::value), "");
 362     static_assert((std::is_same<decltype(std::sin((long)0)), double>::value), "");
 363     static_assert((std::is_same<decltype(std::sin((unsigned long)0)), double>::value), "");
 364     static_assert((std::is_same<decltype(std::sin((long long)0)), double>::value), "");
 365     static_assert((std::is_same<decltype(std::sin((unsigned long long)0)), double>::value), "");
 366     static_assert((std::is_same<decltype(std::sin((double)0)), double>::value), "");
 367     static_assert((std::is_same<decltype(std::sin((long double)0)), long double>::value), "");
 368     static_assert((std::is_same<decltype(std::sinf(0)), float>::value), "");
 369     static_assert((std::is_same<decltype(std::sinl(0)), long double>::value), "");
 370     assert(std::sin(0) == 0);
 371 }
 372
 373 void test_sinh()
 374 {
 375     static_assert((std::is_same<decltype(std::sinh((float)0)), float>::value), "");
 376     static_assert((std::is_same<decltype(std::sinh((bool)0)), double>::value), "");
 377     static_assert((std::is_same<decltype(std::sinh((unsigned short)0)), double>::value), "");
 378     static_assert((std::is_same<decltype(std::sinh((int)0)), double>::value), "");
 379     static_assert((std::is_same<decltype(std::sinh((unsigned int)0)), double>::value), "");
 380     static_assert((std::is_same<decltype(std::sinh((long)0)), double>::value), "");
 381     static_assert((std::is_same<decltype(std::sinh((unsigned long)0)), double>::value), "");
 382     static_assert((std::is_same<decltype(std::sinh((long long)0)), double>::value), "");
 383     static_assert((std::is_same<decltype(std::sinh((unsigned long long)0)), double>::value), "");
 384     static_assert((std::is_same<decltype(std::sinh((double)0)), double>::value), "");
 385     static_assert((std::is_same<decltype(std::sinh((long double)0)), long double>::value), "");
 386     static_assert((std::is_same<decltype(std::sinhf(0)), float>::value), "");
 387     static_assert((std::is_same<decltype(std::sinhl(0)), long double>::value), "");
 388     assert(std::sinh(0) == 0);
 389 }
 390
 391 void test_sqrt()
 392 {
 393     static_assert((std::is_same<decltype(std::sqrt((float)0)), float>::value), "");
 394     static_assert((std::is_same<decltype(std::sqrt((bool)0)), double>::value), "");
 395     static_assert((std::is_same<decltype(std::sqrt((unsigned short)0)), double>::value), "");
 396     static_assert((std::is_same<decltype(std::sqrt((int)0)), double>::value), "");
 397     static_assert((std::is_same<decltype(std::sqrt((unsigned int)0)), double>::value), "");
 398     static_assert((std::is_same<decltype(std::sqrt((long)0)), double>::value), "");
 399     static_assert((std::is_same<decltype(std::sqrt((unsigned long)0)), double>::value), "");
 400     static_assert((std::is_same<decltype(std::sqrt((long long)0)), double>::value), "");
 401     static_assert((std::is_same<decltype(std::sqrt((unsigned long long)0)), double>::value), "");
 402     static_assert((std::is_same<decltype(std::sqrt((double)0)), double>::value), "");
 403     static_assert((std::is_same<decltype(std::sqrt((long double)0)), long double>::value), "");
 404     static_assert((std::is_same<decltype(std::sqrtf(0)), float>::value), "");
 405     static_assert((std::is_same<decltype(std::sqrtl(0)), long double>::value), "");
 406     assert(std::sqrt(4) == 2);
 407 }
 408
 409 void test_tan()
 410 {
 411     static_assert((std::is_same<decltype(std::tan((float)0)), float>::value), "");
 412     static_assert((std::is_same<decltype(std::tan((bool)0)), double>::value), "");
 413     static_assert((std::is_same<decltype(std::tan((unsigned short)0)), double>::value), "");
 414     static_assert((std::is_same<decltype(std::tan((int)0)), double>::value), "");
 415     static_assert((std::is_same<decltype(std::tan((unsigned int)0)), double>::value), "");
 416     static_assert((std::is_same<decltype(std::tan((long)0)), double>::value), "");
 417     static_assert((std::is_same<decltype(std::tan((unsigned long)0)), double>::value), "");
 418     static_assert((std::is_same<decltype(std::tan((long long)0)), double>::value), "");
 419     static_assert((std::is_same<decltype(std::tan((unsigned long long)0)), double>::value), "");
 420     static_assert((std::is_same<decltype(std::tan((double)0)), double>::value), "");
 421     static_assert((std::is_same<decltype(std::tan((long double)0)), long double>::value), "");
 422     static_assert((std::is_same<decltype(std::tanf(0)), float>::value), "");
 423     static_assert((std::is_same<decltype(std::tanl(0)), long double>::value), "");
 424     assert(std::tan(0) == 0);
 425 }
 426
 427 void test_tanh()
 428 {
 429     static_assert((std::is_same<decltype(std::tanh((float)0)), float>::value), "");
 430     static_assert((std::is_same<decltype(std::tanh((bool)0)), double>::value), "");
 431     static_assert((std::is_same<decltype(std::tanh((unsigned short)0)), double>::value), "");
 432     static_assert((std::is_same<decltype(std::tanh((int)0)), double>::value), "");
 433     static_assert((std::is_same<decltype(std::tanh((unsigned int)0)), double>::value), "");
 434     static_assert((std::is_same<decltype(std::tanh((long)0)), double>::value), "");
 435     static_assert((std::is_same<decltype(std::tanh((unsigned long)0)), double>::value), "");
 436     static_assert((std::is_same<decltype(std::tanh((long long)0)), double>::value), "");
 437     static_assert((std::is_same<decltype(std::tanh((unsigned long long)0)), double>::value), "");
 438     static_assert((std::is_same<decltype(std::tanh((double)0)), double>::value), "");
 439     static_assert((std::is_same<decltype(std::tanh((long double)0)), long double>::value), "");
 440     static_assert((std::is_same<decltype(std::tanhf(0)), float>::value), "");
 441     static_assert((std::is_same<decltype(std::tanhl(0)), long double>::value), "");
 442     assert(std::tanh(0) == 0);
 443 }
 444
 445 void test_signbit()
 446 {
 447 #ifdef signbit
 448 #error signbit defined
 449 #endif
 450     static_assert((std::is_same<decltype(std::signbit((float)0)), bool>::value), "");
 451     static_assert((std::is_same<decltype(std::signbit((double)0)), bool>::value), "");
 452     static_assert((std::is_same<decltype(std::signbit(0)), bool>::value), "");
 453     static_assert((std::is_same<decltype(std::signbit((long double)0)), bool>::value), "");
 454     assert(std::signbit(-1.0) == true);
 455 }
 456
 457 void test_fpclassify()
 458 {
 459 #ifdef fpclassify
 460 #error fpclassify defined
 461 #endif
 462     static_assert((std::is_same<decltype(std::fpclassify((float)0)), int>::value), "");
 463     static_assert((std::is_same<decltype(std::fpclassify((double)0)), int>::value), "");
 464     static_assert((std::is_same<decltype(std::fpclassify(0)), int>::value), "");
 465     static_assert((std::is_same<decltype(std::fpclassify((long double)0)), int>::value), "");
 466     assert(std::fpclassify(-1.0) == FP_NORMAL);
 467 }
 468
 469 void test_isfinite()
 470 {
 471 #ifdef isfinite
 472 #error isfinite defined
 473 #endif
 474     static_assert((std::is_same<decltype(std::isfinite((float)0)), bool>::value), "");
 475     static_assert((std::is_same<decltype(std::isfinite((double)0)), bool>::value), "");
 476     static_assert((std::is_same<decltype(std::isfinite(0)), bool>::value), "");
 477     static_assert((std::is_same<decltype(std::isfinite((long double)0)), bool>::value), "");
 478     assert(std::isfinite(-1.0) == true);
 479 }
 480
 481 void test_isnormal()
 482 {
 483 #ifdef isnormal
 484 #error isnormal defined
 485 #endif
 486     static_assert((std::is_same<decltype(std::isnormal((float)0)), bool>::value), "");
 487     static_assert((std::is_same<decltype(std::isnormal((double)0)), bool>::value), "");
 488     static_assert((std::is_same<decltype(std::isnormal(0)), bool>::value), "");
 489     static_assert((std::is_same<decltype(std::isnormal((long double)0)), bool>::value), "");
 490     assert(std::isnormal(-1.0) == true);
 491 }
 492
 493 void test_isgreater()
 494 {
 495 #ifdef isgreater
 496 #error isgreater defined
 497 #endif
 498     static_assert((std::is_same<decltype(std::isgreater((float)0, (float)0)), bool>::value), "");
 499     static_assert((std::is_same<decltype(std::isgreater((float)0, (double)0)), bool>::value), "");
 500     static_assert((std::is_same<decltype(std::isgreater((float)0, (long double)0)), bool>::value), "");
 501     static_assert((std::is_same<decltype(std::isgreater((double)0, (float)0)), bool>::value), "");
 502     static_assert((std::is_same<decltype(std::isgreater((double)0, (double)0)), bool>::value), "");
 503     static_assert((std::is_same<decltype(std::isgreater(0, (double)0)), bool>::value), "");
 504     static_assert((std::is_same<decltype(std::isgreater((double)0, (long double)0)), bool>::value), "");
 505     static_assert((std::is_same<decltype(std::isgreater((long double)0, (float)0)), bool>::value), "");
 506     static_assert((std::is_same<decltype(std::isgreater((long double)0, (double)0)), bool>::value), "");
 507     static_assert((std::is_same<decltype(std::isgreater((long double)0, (long double)0)), bool>::value), "");
 508     assert(std::isgreater(-1.0, 0.F) == false);
 509 }
 510
 511 void test_isgreaterequal()
 512 {
 513 #ifdef isgreaterequal
 514 #error isgreaterequal defined
 515 #endif
 516     static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (float)0)), bool>::value), "");
 517     static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (double)0)), bool>::value), "");
 518     static_assert((std::is_same<decltype(std::isgreaterequal((float)0, (long double)0)), bool>::value), "");
 519     static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (float)0)), bool>::value), "");
 520     static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (double)0)), bool>::value), "");
 521     static_assert((std::is_same<decltype(std::isgreaterequal(0, (double)0)), bool>::value), "");
 522     static_assert((std::is_same<decltype(std::isgreaterequal((double)0, (long double)0)), bool>::value), "");
 523     static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (float)0)), bool>::value), "");
 524     static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (double)0)), bool>::value), "");
 525     static_assert((std::is_same<decltype(std::isgreaterequal((long double)0, (long double)0)), bool>::value), "");
 526     assert(std::isgreaterequal(-1.0, 0.F) == false);
 527 }
 528
 529 void test_isless()
 530 {
 531 #ifdef isless
 532 #error isless defined
 533 #endif
 534     static_assert((std::is_same<decltype(std::isless((float)0, (float)0)), bool>::value), "");
 535     static_assert((std::is_same<decltype(std::isless((float)0, (double)0)), bool>::value), "");
 536     static_assert((std::is_same<decltype(std::isless((float)0, (long double)0)), bool>::value), "");
 537     static_assert((std::is_same<decltype(std::isless((double)0, (float)0)), bool>::value), "");
 538     static_assert((std::is_same<decltype(std::isless((double)0, (double)0)), bool>::value), "");
 539     static_assert((std::is_same<decltype(std::isless(0, (double)0)), bool>::value), "");
 540     static_assert((std::is_same<decltype(std::isless((double)0, (long double)0)), bool>::value), "");
 541     static_assert((std::is_same<decltype(std::isless((long double)0, (float)0)), bool>::value), "");
 542     static_assert((std::is_same<decltype(std::isless((long double)0, (double)0)), bool>::value), "");
 543     static_assert((std::is_same<decltype(std::isless((long double)0, (long double)0)), bool>::value), "");
 544     assert(std::isless(-1.0, 0.F) == true);
 545 }
 546
 547 void test_islessequal()
 548 {
 549 #ifdef islessequal
 550 #error islessequal defined
 551 #endif
 552     static_assert((std::is_same<decltype(std::islessequal((float)0, (float)0)), bool>::value), "");
 553     static_assert((std::is_same<decltype(std::islessequal((float)0, (double)0)), bool>::value), "");
 554     static_assert((std::is_same<decltype(std::islessequal((float)0, (long double)0)), bool>::value), "");
 555     static_assert((std::is_same<decltype(std::islessequal((double)0, (float)0)), bool>::value), "");
 556     static_assert((std::is_same<decltype(std::islessequal((double)0, (double)0)), bool>::value), "");
 557     static_assert((std::is_same<decltype(std::islessequal(0, (double)0)), bool>::value), "");
 558     static_assert((std::is_same<decltype(std::islessequal((double)0, (long double)0)), bool>::value), "");
 559     static_assert((std::is_same<decltype(std::islessequal((long double)0, (float)0)), bool>::value), "");
 560     static_assert((std::is_same<decltype(std::islessequal((long double)0, (double)0)), bool>::value), "");
 561     static_assert((std::is_same<decltype(std::islessequal((long double)0, (long double)0)), bool>::value), "");
 562     assert(std::islessequal(-1.0, 0.F) == true);
 563 }
 564
 565 void test_islessgreater()
 566 {
 567 #ifdef islessgreater
 568 #error islessgreater defined
 569 #endif
 570     static_assert((std::is_same<decltype(std::islessgreater((float)0, (float)0)), bool>::value), "");
 571     static_assert((std::is_same<decltype(std::islessgreater((float)0, (double)0)), bool>::value), "");
 572     static_assert((std::is_same<decltype(std::islessgreater((float)0, (long double)0)), bool>::value), "");
 573     static_assert((std::is_same<decltype(std::islessgreater((double)0, (float)0)), bool>::value), "");
 574     static_assert((std::is_same<decltype(std::islessgreater((double)0, (double)0)), bool>::value), "");
 575     static_assert((std::is_same<decltype(std::islessgreater(0, (double)0)), bool>::value), "");
 576     static_assert((std::is_same<decltype(std::islessgreater((double)0, (long double)0)), bool>::value), "");
 577     static_assert((std::is_same<decltype(std::islessgreater((long double)0, (float)0)), bool>::value), "");
 578     static_assert((std::is_same<decltype(std::islessgreater((long double)0, (double)0)), bool>::value), "");
 579     static_assert((std::is_same<decltype(std::islessgreater((long double)0, (long double)0)), bool>::value), "");
 580     assert(std::islessgreater(-1.0, 0.F) == true);
 581 }
 582
 583 void test_isunordered()
 584 {
 585 #ifdef isunordered
 586 #error isunordered defined
 587 #endif
 588     static_assert((std::is_same<decltype(std::isunordered((float)0, (float)0)), bool>::value), "");
 589     static_assert((std::is_same<decltype(std::isunordered((float)0, (double)0)), bool>::value), "");
 590     static_assert((std::is_same<decltype(std::isunordered((float)0, (long double)0)), bool>::value), "");
 591     static_assert((std::is_same<decltype(std::isunordered((double)0, (float)0)), bool>::value), "");
 592     static_assert((std::is_same<decltype(std::isunordered((double)0, (double)0)), bool>::value), "");
 593     static_assert((std::is_same<decltype(std::isunordered(0, (double)0)), bool>::value), "");
 594     static_assert((std::is_same<decltype(std::isunordered((double)0, (long double)0)), bool>::value), "");
 595     static_assert((std::is_same<decltype(std::isunordered((long double)0, (float)0)), bool>::value), "");
 596     static_assert((std::is_same<decltype(std::isunordered((long double)0, (double)0)), bool>::value), "");
 597     static_assert((std::is_same<decltype(std::isunordered((long double)0, (long double)0)), bool>::value), "");
 598     assert(std::isunordered(-1.0, 0.F) == false);
 599 }
 600
 601 void test_acosh()
 602 {
 603     static_assert((std::is_same<decltype(std::acosh((float)0)), float>::value), "");
 604     static_assert((std::is_same<decltype(std::acosh((bool)0)), double>::value), "");
 605     static_assert((std::is_same<decltype(std::acosh((unsigned short)0)), double>::value), "");
 606     static_assert((std::is_same<decltype(std::acosh((int)0)), double>::value), "");
 607     static_assert((std::is_same<decltype(std::acosh((unsigned int)0)), double>::value), "");
 608     static_assert((std::is_same<decltype(std::acosh((long)0)), double>::value), "");
 609     static_assert((std::is_same<decltype(std::acosh((unsigned long)0)), double>::value), "");
 610     static_assert((std::is_same<decltype(std::acosh((long long)0)), double>::value), "");
 611     static_assert((std::is_same<decltype(std::acosh((unsigned long long)0)), double>::value), "");
 612     static_assert((std::is_same<decltype(std::acosh((double)0)), double>::value), "");
 613     static_assert((std::is_same<decltype(std::acosh((long double)0)), long double>::value), "");
 614     static_assert((std::is_same<decltype(std::acoshf(0)), float>::value), "");
 615     static_assert((std::is_same<decltype(std::acoshl(0)), long double>::value), "");
 616     assert(std::acosh(1) == 0);
 617 }
 618
 619 void test_asinh()
 620 {
 621     static_assert((std::is_same<decltype(std::asinh((float)0)), float>::value), "");
 622     static_assert((std::is_same<decltype(std::asinh((bool)0)), double>::value), "");
 623     static_assert((std::is_same<decltype(std::asinh((unsigned short)0)), double>::value), "");
 624     static_assert((std::is_same<decltype(std::asinh((int)0)), double>::value), "");
 625     static_assert((std::is_same<decltype(std::asinh((unsigned int)0)), double>::value), "");
 626     static_assert((std::is_same<decltype(std::asinh((long)0)), double>::value), "");
 627     static_assert((std::is_same<decltype(std::asinh((unsigned long)0)), double>::value), "");
 628     static_assert((std::is_same<decltype(std::asinh((long long)0)), double>::value), "");
 629     static_assert((std::is_same<decltype(std::asinh((unsigned long long)0)), double>::value), "");
 630     static_assert((std::is_same<decltype(std::asinh((double)0)), double>::value), "");
 631     static_assert((std::is_same<decltype(std::asinh((long double)0)), long double>::value), "");
 632     static_assert((std::is_same<decltype(std::asinhf(0)), float>::value), "");
 633     static_assert((std::is_same<decltype(std::asinhl(0)), long double>::value), "");
 634     assert(std::asinh(0) == 0);
 635 }
 636
 637 void test_atanh()
 638 {
 639     static_assert((std::is_same<decltype(std::atanh((float)0)), float>::value), "");
 640     static_assert((std::is_same<decltype(std::atanh((bool)0)), double>::value), "");
 641     static_assert((std::is_same<decltype(std::atanh((unsigned short)0)), double>::value), "");
 642     static_assert((std::is_same<decltype(std::atanh((int)0)), double>::value), "");
 643     static_assert((std::is_same<decltype(std::atanh((unsigned int)0)), double>::value), "");
 644     static_assert((std::is_same<decltype(std::atanh((long)0)), double>::value), "");
 645     static_assert((std::is_same<decltype(std::atanh((unsigned long)0)), double>::value), "");
 646     static_assert((std::is_same<decltype(std::atanh((long long)0)), double>::value), "");
 647     static_assert((std::is_same<decltype(std::atanh((unsigned long long)0)), double>::value), "");
 648     static_assert((std::is_same<decltype(std::atanh((double)0)), double>::value), "");
 649     static_assert((std::is_same<decltype(std::atanh((long double)0)), long double>::value), "");
 650     static_assert((std::is_same<decltype(std::atanhf(0)), float>::value), "");
 651     static_assert((std::is_same<decltype(std::atanhl(0)), long double>::value), "");
 652     assert(std::atanh(0) == 0);
 653 }
 654
 655 void test_cbrt()
 656 {
 657     static_assert((std::is_same<decltype(std::cbrt((float)0)), float>::value), "");
 658     static_assert((std::is_same<decltype(std::cbrt((bool)0)), double>::value), "");
 659     static_assert((std::is_same<decltype(std::cbrt((unsigned short)0)), double>::value), "");
 660     static_assert((std::is_same<decltype(std::cbrt((int)0)), double>::value), "");
 661     static_assert((std::is_same<decltype(std::cbrt((unsigned int)0)), double>::value), "");
 662     static_assert((std::is_same<decltype(std::cbrt((long)0)), double>::value), "");
 663     static_assert((std::is_same<decltype(std::cbrt((unsigned long)0)), double>::value), "");
 664     static_assert((std::is_same<decltype(std::cbrt((long long)0)), double>::value), "");
 665     static_assert((std::is_same<decltype(std::cbrt((unsigned long long)0)), double>::value), "");
 666     static_assert((std::is_same<decltype(std::cbrt((double)0)), double>::value), "");
 667     static_assert((std::is_same<decltype(std::cbrt((long double)0)), long double>::value), "");
 668     static_assert((std::is_same<decltype(std::cbrtf(0)), float>::value), "");
 669     static_assert((std::is_same<decltype(std::cbrtl(0)), long double>::value), "");
 670     assert(std::cbrt(1) == 1);
 671 }
 672
 673 void test_copysign()
 674 {
 675     static_assert((std::is_same<decltype(std::copysign((float)0, (float)0)), float>::value), "");
 676     static_assert((std::is_same<decltype(std::copysign((bool)0, (float)0)), double>::value), "");
 677     static_assert((std::is_same<decltype(std::copysign((unsigned short)0, (double)0)), double>::value), "");
 678     static_assert((std::is_same<decltype(std::copysign((int)0, (long double)0)), long double>::value), "");
 679     static_assert((std::is_same<decltype(std::copysign((float)0, (unsigned int)0)), double>::value), "");
 680     static_assert((std::is_same<decltype(std::copysign((double)0, (long)0)), double>::value), "");
 681     static_assert((std::is_same<decltype(std::copysign((long double)0, (unsigned long)0)), long double>::value), "");
 682     static_assert((std::is_same<decltype(std::copysign((int)0, (long long)0)), double>::value), "");
 683     static_assert((std::is_same<decltype(std::copysign((int)0, (unsigned long long)0)), double>::value), "");
 684     static_assert((std::is_same<decltype(std::copysign((double)0, (double)0)), double>::value), "");
 685     static_assert((std::is_same<decltype(std::copysign((long double)0, (long double)0)), long double>::value), "");
 686     static_assert((std::is_same<decltype(std::copysign((float)0, (double)0)), double>::value), "");
 687     static_assert((std::is_same<decltype(std::copysign((float)0, (long double)0)), long double>::value), "");
 688     static_assert((std::is_same<decltype(std::copysign((double)0, (long double)0)), long double>::value), "");
 689     static_assert((std::is_same<decltype(std::copysignf(0,0)), float>::value), "");
 690     static_assert((std::is_same<decltype(std::copysignl(0,0)), long double>::value), "");
 691     static_assert((std::is_same<decltype(std::copysign((int)0, (int)0)), double>::value), "");
 692     assert(std::copysign(1,1) == 1);
 693 }
 694
 695 void test_erf()
 696 {
 697     static_assert((std::is_same<decltype(std::erf((float)0)), float>::value), "");
 698     static_assert((std::is_same<decltype(std::erf((bool)0)), double>::value), "");
 699     static_assert((std::is_same<decltype(std::erf((unsigned short)0)), double>::value), "");
 700     static_assert((std::is_same<decltype(std::erf((int)0)), double>::value), "");
 701     static_assert((std::is_same<decltype(std::erf((unsigned int)0)), double>::value), "");
 702     static_assert((std::is_same<decltype(std::erf((long)0)), double>::value), "");
 703     static_assert((std::is_same<decltype(std::erf((unsigned long)0)), double>::value), "");
 704     static_assert((std::is_same<decltype(std::erf((long long)0)), double>::value), "");
 705     static_assert((std::is_same<decltype(std::erf((unsigned long long)0)), double>::value), "");
 706     static_assert((std::is_same<decltype(std::erf((double)0)), double>::value), "");
 707     static_assert((std::is_same<decltype(std::erf((long double)0)), long double>::value), "");
 708     static_assert((std::is_same<decltype(std::erff(0)), float>::value), "");
 709     static_assert((std::is_same<decltype(std::erfl(0)), long double>::value), "");
 710     assert(std::erf(0) == 0);
 711 }
 712
 713 void test_erfc()
 714 {
 715     static_assert((std::is_same<decltype(std::erfc((float)0)), float>::value), "");
 716     static_assert((std::is_same<decltype(std::erfc((bool)0)), double>::value), "");
 717     static_assert((std::is_same<decltype(std::erfc((unsigned short)0)), double>::value), "");
 718     static_assert((std::is_same<decltype(std::erfc((int)0)), double>::value), "");
 719     static_assert((std::is_same<decltype(std::erfc((unsigned int)0)), double>::value), "");
 720     static_assert((std::is_same<decltype(std::erfc((long)0)), double>::value), "");
 721     static_assert((std::is_same<decltype(std::erfc((unsigned long)0)), double>::value), "");
 722     static_assert((std::is_same<decltype(std::erfc((long long)0)), double>::value), "");
 723     static_assert((std::is_same<decltype(std::erfc((unsigned long long)0)), double>::value), "");
 724     static_assert((std::is_same<decltype(std::erfc((double)0)), double>::value), "");
 725     static_assert((std::is_same<decltype(std::erfc((long double)0)), long double>::value), "");
 726     static_assert((std::is_same<decltype(std::erfcf(0)), float>::value), "");
 727     static_assert((std::is_same<decltype(std::erfcl(0)), long double>::value), "");
 728     assert(std::erfc(0) == 1);
 729 }
 730
 731 void test_exp2()
 732 {
 733     static_assert((std::is_same<decltype(std::exp2((float)0)), float>::value), "");
 734     static_assert((std::is_same<decltype(std::exp2((bool)0)), double>::value), "");
 735     static_assert((std::is_same<decltype(std::exp2((unsigned short)0)), double>::value), "");
 736     static_assert((std::is_same<decltype(std::exp2((int)0)), double>::value), "");
 737     static_assert((std::is_same<decltype(std::exp2((unsigned int)0)), double>::value), "");
 738     static_assert((std::is_same<decltype(std::exp2((long)0)), double>::value), "");
 739     static_assert((std::is_same<decltype(std::exp2((unsigned long)0)), double>::value), "");
 740     static_assert((std::is_same<decltype(std::exp2((long long)0)), double>::value), "");
 741     static_assert((std::is_same<decltype(std::exp2((unsigned long long)0)), double>::value), "");
 742     static_assert((std::is_same<decltype(std::exp2((double)0)), double>::value), "");
 743     static_assert((std::is_same<decltype(std::exp2((long double)0)), long double>::value), "");
 744     static_assert((std::is_same<decltype(std::exp2f(0)), float>::value), "");
 745     static_assert((std::is_same<decltype(std::exp2l(0)), long double>::value), "");
 746     assert(std::exp2(1) == 2);
 747 }
 748
 749 void test_expm1()
 750 {
 751     static_assert((std::is_same<decltype(std::expm1((float)0)), float>::value), "");
 752     static_assert((std::is_same<decltype(std::expm1((bool)0)), double>::value), "");
 753     static_assert((std::is_same<decltype(std::expm1((unsigned short)0)), double>::value), "");
 754     static_assert((std::is_same<decltype(std::expm1((int)0)), double>::value), "");
 755     static_assert((std::is_same<decltype(std::expm1((unsigned int)0)), double>::value), "");
 756     static_assert((std::is_same<decltype(std::expm1((long)0)), double>::value), "");
 757     static_assert((std::is_same<decltype(std::expm1((unsigned long)0)), double>::value), "");
 758     static_assert((std::is_same<decltype(std::expm1((long long)0)), double>::value), "");
 759     static_assert((std::is_same<decltype(std::expm1((unsigned long long)0)), double>::value), "");
 760     static_assert((std::is_same<decltype(std::expm1((double)0)), double>::value), "");
 761     static_assert((std::is_same<decltype(std::expm1((long double)0)), long double>::value), "");
 762     static_assert((std::is_same<decltype(std::expm1f(0)), float>::value), "");
 763     static_assert((std::is_same<decltype(std::expm1l(0)), long double>::value), "");
 764     assert(std::expm1(0) == 0);
 765 }
 766
 767 void test_fdim()
 768 {
 769     static_assert((std::is_same<decltype(std::fdim((float)0, (float)0)), float>::value), "");
 770     static_assert((std::is_same<decltype(std::fdim((bool)0, (float)0)), double>::value), "");
 771     static_assert((std::is_same<decltype(std::fdim((unsigned short)0, (double)0)), double>::value), "");
 772     static_assert((std::is_same<decltype(std::fdim((int)0, (long double)0)), long double>::value), "");
 773     static_assert((std::is_same<decltype(std::fdim((float)0, (unsigned int)0)), double>::value), "");
 774     static_assert((std::is_same<decltype(std::fdim((double)0, (long)0)), double>::value), "");
 775     static_assert((std::is_same<decltype(std::fdim((long double)0, (unsigned long)0)), long double>::value), "");
 776     static_assert((std::is_same<decltype(std::fdim((int)0, (long long)0)), double>::value), "");
 777     static_assert((std::is_same<decltype(std::fdim((int)0, (unsigned long long)0)), double>::value), "");
 778     static_assert((std::is_same<decltype(std::fdim((double)0, (double)0)), double>::value), "");
 779     static_assert((std::is_same<decltype(std::fdim((long double)0, (long double)0)), long double>::value), "");
 780     static_assert((std::is_same<decltype(std::fdim((float)0, (double)0)), double>::value), "");
 781     static_assert((std::is_same<decltype(std::fdim((float)0, (long double)0)), long double>::value), "");
 782     static_assert((std::is_same<decltype(std::fdim((double)0, (long double)0)), long double>::value), "");
 783     static_assert((std::is_same<decltype(std::fdimf(0,0)), float>::value), "");
 784     static_assert((std::is_same<decltype(std::fdiml(0,0)), long double>::value), "");
 785     static_assert((std::is_same<decltype(std::fdim((int)0, (int)0)), double>::value), "");
 786     assert(std::fdim(1,0) == 1);
 787 }
 788
 789 void test_fma()
 790 {
 791     static_assert((std::is_same<decltype(std::fma((bool)0, (float)0, (float)0)), double>::value), "");
 792     static_assert((std::is_same<decltype(std::fma((char)0, (float)0, (float)0)), double>::value), "");
 793     static_assert((std::is_same<decltype(std::fma((unsigned)0, (float)0, (float)0)), double>::value), "");
 794     static_assert((std::is_same<decltype(std::fma((float)0, (int)0, (float)0)), double>::value), "");
 795     static_assert((std::is_same<decltype(std::fma((float)0, (long)0, (float)0)), double>::value), "");
 796     static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (unsigned long long)0)), double>::value), "");
 797     static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (double)0)), double>::value), "");
 798     static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (long double)0)), long double>::value), "");
 799     static_assert((std::is_same<decltype(std::fma((float)0, (float)0, (float)0)), float>::value), "");
 800
 801     static_assert((std::is_same<decltype(std::fma((bool)0, (double)0, (double)0)), double>::value), "");
 802     static_assert((std::is_same<decltype(std::fma((char)0, (double)0, (double)0)), double>::value), "");
 803     static_assert((std::is_same<decltype(std::fma((unsigned)0, (double)0, (double)0)), double>::value), "");
 804     static_assert((std::is_same<decltype(std::fma((double)0, (int)0, (double)0)), double>::value), "");
 805     static_assert((std::is_same<decltype(std::fma((double)0, (long)0, (double)0)), double>::value), "");
 806     static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (unsigned long long)0)), double>::value), "");
 807     static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (float)0)), double>::value), "");
 808     static_assert((std::is_same<decltype(std::fma((double)0, (double)0, (long double)0)), long double>::value), "");
 809     static_assert((std::is_same<decltype(std::fma((double)0, (double)0,  (double)0)), double>::value), "");
 810
 811     static_assert((std::is_same<decltype(std::fma((bool)0, (long double)0, (long double)0)), long double>::value), "");
 812     static_assert((std::is_same<decltype(std::fma((char)0, (long double)0, (long double)0)), long double>::value), "");
 813     static_assert((std::is_same<decltype(std::fma((unsigned)0, (long double)0, (long double)0)), long double>::value), "");
 814     static_assert((std::is_same<decltype(std::fma((long double)0, (int)0, (long double)0)), long double>::value), "");
 815     static_assert((std::is_same<decltype(std::fma((long double)0, (long)0, (long double)0)), long double>::value), "");
 816     static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (unsigned long long)0)), long double>::value), "");
 817     static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (float)0)), long double>::value), "");
 818     static_assert((std::is_same<decltype(std::fma((double)0, (long double)0, (long double)0)), long double>::value), "");
 819     static_assert((std::is_same<decltype(std::fma((long double)0, (long double)0, (long double)0)), long double>::value), "");
 820
 821     static_assert((std::is_same<decltype(std::fmaf(0,0,0)), float>::value), "");
 822     static_assert((std::is_same<decltype(std::fmal(0,0,0)), long double>::value), "");
 823     assert(std::fma(1,1,1) == 2);
 824 }
 825
 826 void test_fmax()
 827 {
 828     static_assert((std::is_same<decltype(std::fmax((float)0, (float)0)), float>::value), "");
 829     static_assert((std::is_same<decltype(std::fmax((bool)0, (float)0)), double>::value), "");
 830     static_assert((std::is_same<decltype(std::fmax((unsigned short)0, (double)0)), double>::value), "");
 831     static_assert((std::is_same<decltype(std::fmax((int)0, (long double)0)), long double>::value), "");
 832     static_assert((std::is_same<decltype(std::fmax((float)0, (unsigned int)0)), double>::value), "");
 833     static_assert((std::is_same<decltype(std::fmax((double)0, (long)0)), double>::value), "");
 834     static_assert((std::is_same<decltype(std::fmax((long double)0, (unsigned long)0)), long double>::value), "");
 835     static_assert((std::is_same<decltype(std::fmax((int)0, (long long)0)), double>::value), "");
 836     static_assert((std::is_same<decltype(std::fmax((int)0, (unsigned long long)0)), double>::value), "");
 837     static_assert((std::is_same<decltype(std::fmax((double)0, (double)0)), double>::value), "");
 838     static_assert((std::is_same<decltype(std::fmax((long double)0, (long double)0)), long double>::value), "");
 839     static_assert((std::is_same<decltype(std::fmax((float)0, (double)0)), double>::value), "");
 840     static_assert((std::is_same<decltype(std::fmax((float)0, (long double)0)), long double>::value), "");
 841     static_assert((std::is_same<decltype(std::fmax((double)0, (long double)0)), long double>::value), "");
 842     static_assert((std::is_same<decltype(std::fmaxf(0,0)), float>::value), "");
 843     static_assert((std::is_same<decltype(std::fmaxl(0,0)), long double>::value), "");
 844     static_assert((std::is_same<decltype(std::fmax((int)0, (int)0)), double>::value), "");
 845     assert(std::fmax(1,0) == 1);
 846 }
 847
 848 void test_fmin()
 849 {
 850     static_assert((std::is_same<decltype(std::fmin((float)0, (float)0)), float>::value), "");
 851     static_assert((std::is_same<decltype(std::fmin((bool)0, (float)0)), double>::value), "");
 852     static_assert((std::is_same<decltype(std::fmin((unsigned short)0, (double)0)), double>::value), "");
 853     static_assert((std::is_same<decltype(std::fmin((int)0, (long double)0)), long double>::value), "");
 854     static_assert((std::is_same<decltype(std::fmin((float)0, (unsigned int)0)), double>::value), "");
 855     static_assert((std::is_same<decltype(std::fmin((double)0, (long)0)), double>::value), "");
 856     static_assert((std::is_same<decltype(std::fmin((long double)0, (unsigned long)0)), long double>::value), "");
 857     static_assert((std::is_same<decltype(std::fmin((int)0, (long long)0)), double>::value), "");
 858     static_assert((std::is_same<decltype(std::fmin((int)0, (unsigned long long)0)), double>::value), "");
 859     static_assert((std::is_same<decltype(std::fmin((double)0, (double)0)), double>::value), "");
 860     static_assert((std::is_same<decltype(std::fmin((long double)0, (long double)0)), long double>::value), "");
 861     static_assert((std::is_same<decltype(std::fmin((float)0, (double)0)), double>::value), "");
 862     static_assert((std::is_same<decltype(std::fmin((float)0, (long double)0)), long double>::value), "");
 863     static_assert((std::is_same<decltype(std::fmin((double)0, (long double)0)), long double>::value), "");
 864     static_assert((std::is_same<decltype(std::fminf(0,0)), float>::value), "");
 865     static_assert((std::is_same<decltype(std::fminl(0,0)), long double>::value), "");
 866     static_assert((std::is_same<decltype(std::fmin((int)0, (int)0)), double>::value), "");
 867     assert(std::fmin(1,0) == 0);
 868 }
 869
 870 void test_hypot()
 871 {
 872     static_assert((std::is_same<decltype(std::hypot((float)0, (float)0)), float>::value), "");
 873     static_assert((std::is_same<decltype(std::hypot((bool)0, (float)0)), double>::value), "");
 874     static_assert((std::is_same<decltype(std::hypot((unsigned short)0, (double)0)), double>::value), "");
 875     static_assert((std::is_same<decltype(std::hypot((int)0, (long double)0)), long double>::value), "");
 876     static_assert((std::is_same<decltype(std::hypot((float)0, (unsigned int)0)), double>::value), "");
 877     static_assert((std::is_same<decltype(std::hypot((double)0, (long)0)), double>::value), "");
 878     static_assert((std::is_same<decltype(std::hypot((long double)0, (unsigned long)0)), long double>::value), "");
 879     static_assert((std::is_same<decltype(std::hypot((int)0, (long long)0)), double>::value), "");
 880     static_assert((std::is_same<decltype(std::hypot((int)0, (unsigned long long)0)), double>::value), "");
 881     static_assert((std::is_same<decltype(std::hypot((double)0, (double)0)), double>::value), "");
 882     static_assert((std::is_same<decltype(std::hypot((long double)0, (long double)0)), long double>::value), "");
 883     static_assert((std::is_same<decltype(std::hypot((float)0, (double)0)), double>::value), "");
 884     static_assert((std::is_same<decltype(std::hypot((float)0, (long double)0)), long double>::value), "");
 885     static_assert((std::is_same<decltype(std::hypot((double)0, (long double)0)), long double>::value), "");
 886     static_assert((std::is_same<decltype(std::hypotf(0,0)), float>::value), "");
 887     static_assert((std::is_same<decltype(std::hypotl(0,0)), long double>::value), "");
 888     static_assert((std::is_same<decltype(std::hypot((int)0, (int)0)), double>::value), "");
 889     assert(std::hypot(3,4) == 5);
 890 }
 891
 892 void test_ilogb()
 893 {
 894     static_assert((std::is_same<decltype(std::ilogb((float)0)), int>::value), "");
 895     static_assert((std::is_same<decltype(std::ilogb((bool)0)), int>::value), "");
 896     static_assert((std::is_same<decltype(std::ilogb((unsigned short)0)), int>::value), "");
 897     static_assert((std::is_same<decltype(std::ilogb((int)0)), int>::value), "");
 898     static_assert((std::is_same<decltype(std::ilogb((unsigned int)0)), int>::value), "");
 899     static_assert((std::is_same<decltype(std::ilogb((long)0)), int>::value), "");
 900     static_assert((std::is_same<decltype(std::ilogb((unsigned long)0)), int>::value), "");
 901     static_assert((std::is_same<decltype(std::ilogb((long long)0)), int>::value), "");
 902     static_assert((std::is_same<decltype(std::ilogb((unsigned long long)0)), int>::value), "");
 903     static_assert((std::is_same<decltype(std::ilogb((double)0)), int>::value), "");
 904     static_assert((std::is_same<decltype(std::ilogb((long double)0)), int>::value), "");
 905     static_assert((std::is_same<decltype(std::ilogbf(0)), int>::value), "");
 906     static_assert((std::is_same<decltype(std::ilogbl(0)), int>::value), "");
 907     assert(std::ilogb(1) == 0);
 908 }
 909
 910 void test_lgamma()
 911 {
 912     static_assert((std::is_same<decltype(std::lgamma((float)0)), float>::value), "");
 913     static_assert((std::is_same<decltype(std::lgamma((bool)0)), double>::value), "");
 914     static_assert((std::is_same<decltype(std::lgamma((unsigned short)0)), double>::value), "");
 915     static_assert((std::is_same<decltype(std::lgamma((int)0)), double>::value), "");
 916     static_assert((std::is_same<decltype(std::lgamma((unsigned int)0)), double>::value), "");
 917     static_assert((std::is_same<decltype(std::lgamma((long)0)), double>::value), "");
 918     static_assert((std::is_same<decltype(std::lgamma((unsigned long)0)), double>::value), "");
 919     static_assert((std::is_same<decltype(std::lgamma((long long)0)), double>::value), "");
 920     static_assert((std::is_same<decltype(std::lgamma((unsigned long long)0)), double>::value), "");
 921     static_assert((std::is_same<decltype(std::lgamma((double)0)), double>::value), "");
 922     static_assert((std::is_same<decltype(std::lgamma((long double)0)), long double>::value), "");
 923     static_assert((std::is_same<decltype(std::lgammaf(0)), float>::value), "");
 924     static_assert((std::is_same<decltype(std::lgammal(0)), long double>::value), "");
 925     assert(std::lgamma(1) == 0);
 926 }
 927
 928 void test_llrint()
 929 {
 930     static_assert((std::is_same<decltype(std::llrint((float)0)), long long>::value), "");
 931     static_assert((std::is_same<decltype(std::llrint((bool)0)), long long>::value), "");
 932     static_assert((std::is_same<decltype(std::llrint((unsigned short)0)), long long>::value), "");
 933     static_assert((std::is_same<decltype(std::llrint((int)0)), long long>::value), "");
 934     static_assert((std::is_same<decltype(std::llrint((unsigned int)0)), long long>::value), "");
 935     static_assert((std::is_same<decltype(std::llrint((long)0)), long long>::value), "");
 936     static_assert((std::is_same<decltype(std::llrint((unsigned long)0)), long long>::value), "");
 937     static_assert((std::is_same<decltype(std::llrint((long long)0)), long long>::value), "");
 938     static_assert((std::is_same<decltype(std::llrint((unsigned long long)0)), long long>::value), "");
 939     static_assert((std::is_same<decltype(std::llrint((double)0)), long long>::value), "");
 940     static_assert((std::is_same<decltype(std::llrint((long double)0)), long long>::value), "");
 941     static_assert((std::is_same<decltype(std::llrintf(0)), long long>::value), "");
 942     static_assert((std::is_same<decltype(std::llrintl(0)), long long>::value), "");
 943     assert(std::llrint(1) == 1LL);
 944 }
 945
 946 void test_llround()
 947 {
 948     static_assert((std::is_same<decltype(std::llround((float)0)), long long>::value), "");
 949     static_assert((std::is_same<decltype(std::llround((bool)0)), long long>::value), "");
 950     static_assert((std::is_same<decltype(std::llround((unsigned short)0)), long long>::value), "");
 951     static_assert((std::is_same<decltype(std::llround((int)0)), long long>::value), "");
 952     static_assert((std::is_same<decltype(std::llround((unsigned int)0)), long long>::value), "");
 953     static_assert((std::is_same<decltype(std::llround((long)0)), long long>::value), "");
 954     static_assert((std::is_same<decltype(std::llround((unsigned long)0)), long long>::value), "");
 955     static_assert((std::is_same<decltype(std::llround((long long)0)), long long>::value), "");
 956     static_assert((std::is_same<decltype(std::llround((unsigned long long)0)), long long>::value), "");
 957     static_assert((std::is_same<decltype(std::llround((double)0)), long long>::value), "");
 958     static_assert((std::is_same<decltype(std::llround((long double)0)), long long>::value), "");
 959     static_assert((std::is_same<decltype(std::llroundf(0)), long long>::value), "");
 960     static_assert((std::is_same<decltype(std::llroundl(0)), long long>::value), "");
 961     assert(std::llround(1) == 1LL);
 962 }
 963
 964 void test_log1p()
 965 {
 966     static_assert((std::is_same<decltype(std::log1p((float)0)), float>::value), "");
 967     static_assert((std::is_same<decltype(std::log1p((bool)0)), double>::value), "");
 968     static_assert((std::is_same<decltype(std::log1p((unsigned short)0)), double>::value), "");
 969     static_assert((std::is_same<decltype(std::log1p((int)0)), double>::value), "");
 970     static_assert((std::is_same<decltype(std::log1p((unsigned int)0)), double>::value), "");
 971     static_assert((std::is_same<decltype(std::log1p((long)0)), double>::value), "");
 972     static_assert((std::is_same<decltype(std::log1p((unsigned long)0)), double>::value), "");
 973     static_assert((std::is_same<decltype(std::log1p((long long)0)), double>::value), "");
 974     static_assert((std::is_same<decltype(std::log1p((unsigned long long)0)), double>::value), "");
 975     static_assert((std::is_same<decltype(std::log1p((double)0)), double>::value), "");
 976     static_assert((std::is_same<decltype(std::log1p((long double)0)), long double>::value), "");
 977     static_assert((std::is_same<decltype(std::log1pf(0)), float>::value), "");
 978     static_assert((std::is_same<decltype(std::log1pl(0)), long double>::value), "");
 979     assert(std::log1p(0) == 0);
 980 }
 981
 982 void test_log2()
 983 {
 984     static_assert((std::is_same<decltype(std::log2((float)0)), float>::value), "");
 985     static_assert((std::is_same<decltype(std::log2((bool)0)), double>::value), "");
 986     static_assert((std::is_same<decltype(std::log2((unsigned short)0)), double>::value), "");
 987     static_assert((std::is_same<decltype(std::log2((int)0)), double>::value), "");
 988     static_assert((std::is_same<decltype(std::log2((unsigned int)0)), double>::value), "");
 989     static_assert((std::is_same<decltype(std::log2((long)0)), double>::value), "");
 990     static_assert((std::is_same<decltype(std::log2((unsigned long)0)), double>::value), "");
 991     static_assert((std::is_same<decltype(std::log2((long long)0)), double>::value), "");
 992     static_assert((std::is_same<decltype(std::log2((unsigned long long)0)), double>::value), "");
 993     static_assert((std::is_same<decltype(std::log2((double)0)), double>::value), "");
 994     static_assert((std::is_same<decltype(std::log2((long double)0)), long double>::value), "");
 995     static_assert((std::is_same<decltype(std::log2f(0)), float>::value), "");
 996     static_assert((std::is_same<decltype(std::log2l(0)), long double>::value), "");
 997     assert(std::log2(1) == 0);
 998 }
 999
1000 void test_logb()
1001 {
1002     static_assert((std::is_same<decltype(std::logb((float)0)), float>::value), "");
1003     static_assert((std::is_same<decltype(std::logb((bool)0)), double>::value), "");
1004     static_assert((std::is_same<decltype(std::logb((unsigned short)0)), double>::value), "");
1005     static_assert((std::is_same<decltype(std::logb((int)0)), double>::value), "");
1006     static_assert((std::is_same<decltype(std::logb((unsigned int)0)), double>::value), "");
1007     static_assert((std::is_same<decltype(std::logb((long)0)), double>::value), "");
1008     static_assert((std::is_same<decltype(std::logb((unsigned long)0)), double>::value), "");
1009     static_assert((std::is_same<decltype(std::logb((long long)0)), double>::value), "");
1010     static_assert((std::is_same<decltype(std::logb((unsigned long long)0)), double>::value), "");
1011     static_assert((std::is_same<decltype(std::logb((double)0)), double>::value), "");
1012     static_assert((std::is_same<decltype(std::logb((long double)0)), long double>::value), "");
1013     static_assert((std::is_same<decltype(std::logbf(0)), float>::value), "");
1014     static_assert((std::is_same<decltype(std::logbl(0)), long double>::value), "");
1015     assert(std::logb(1) == 0);
1016 }
1017
1018 void test_lrint()
1019 {
1020     static_assert((std::is_same<decltype(std::lrint((float)0)), long>::value), "");
1021     static_assert((std::is_same<decltype(std::lrint((bool)0)), long>::value), "");
1022     static_assert((std::is_same<decltype(std::lrint((unsigned short)0)), long>::value), "");
1023     static_assert((std::is_same<decltype(std::lrint((int)0)), long>::value), "");
1024     static_assert((std::is_same<decltype(std::lrint((unsigned int)0)), long>::value), "");
1025     static_assert((std::is_same<decltype(std::lrint((long)0)), long>::value), "");
1026     static_assert((std::is_same<decltype(std::lrint((unsigned long)0)), long>::value), "");
1027     static_assert((std::is_same<decltype(std::lrint((long long)0)), long>::value), "");
1028     static_assert((std::is_same<decltype(std::lrint((unsigned long long)0)), long>::value), "");
1029     static_assert((std::is_same<decltype(std::lrint((double)0)), long>::value), "");
1030     static_assert((std::is_same<decltype(std::lrint((long double)0)), long>::value), "");
1031     static_assert((std::is_same<decltype(std::lrintf(0)), long>::value), "");
1032     static_assert((std::is_same<decltype(std::lrintl(0)), long>::value), "");
1033     assert(std::lrint(1) == 1L);
1034 }
1035
1036 void test_lround()
1037 {
1038     static_assert((std::is_same<decltype(std::lround((float)0)), long>::value), "");
1039     static_assert((std::is_same<decltype(std::lround((bool)0)), long>::value), "");
1040     static_assert((std::is_same<decltype(std::lround((unsigned short)0)), long>::value), "");
1041     static_assert((std::is_same<decltype(std::lround((int)0)), long>::value), "");
1042     static_assert((std::is_same<decltype(std::lround((unsigned int)0)), long>::value), "");
1043     static_assert((std::is_same<decltype(std::lround((long)0)), long>::value), "");
1044     static_assert((std::is_same<decltype(std::lround((unsigned long)0)), long>::value), "");
1045     static_assert((std::is_same<decltype(std::lround((long long)0)), long>::value), "");
1046     static_assert((std::is_same<decltype(std::lround((unsigned long long)0)), long>::value), "");
1047     static_assert((std::is_same<decltype(std::lround((double)0)), long>::value), "");
1048     static_assert((std::is_same<decltype(std::lround((long double)0)), long>::value), "");
1049     static_assert((std::is_same<decltype(std::lroundf(0)), long>::value), "");
1050     static_assert((std::is_same<decltype(std::lroundl(0)), long>::value), "");
1051     assert(std::lround(1) == 1L);
1052 }
1053
1054 void test_nan()
1055 {
1056     static_assert((std::is_same<decltype(std::nan("")), double>::value), "");
1057     static_assert((std::is_same<decltype(std::nanf("")), float>::value), "");
1058     static_assert((std::is_same<decltype(std::nanl("")), long double>::value), "");
1059 }
1060
1061 void test_nearbyint()
1062 {
1063     static_assert((std::is_same<decltype(std::nearbyint((float)0)), float>::value), "");
1064     static_assert((std::is_same<decltype(std::nearbyint((bool)0)), double>::value), "");
1065     static_assert((std::is_same<decltype(std::nearbyint((unsigned short)0)), double>::value), "");
1066     static_assert((std::is_same<decltype(std::nearbyint((int)0)), double>::value), "");
1067     static_assert((std::is_same<decltype(std::nearbyint((unsigned int)0)), double>::value), "");
1068     static_assert((std::is_same<decltype(std::nearbyint((long)0)), double>::value), "");
1069     static_assert((std::is_same<decltype(std::nearbyint((unsigned long)0)), double>::value), "");
1070     static_assert((std::is_same<decltype(std::nearbyint((long long)0)), double>::value), "");
1071     static_assert((std::is_same<decltype(std::nearbyint((unsigned long long)0)), double>::value), "");
1072     static_assert((std::is_same<decltype(std::nearbyint((double)0)), double>::value), "");
1073     static_assert((std::is_same<decltype(std::nearbyint((long double)0)), long double>::value), "");
1074     static_assert((std::is_same<decltype(std::nearbyintf(0)), float>::value), "");
1075     static_assert((std::is_same<decltype(std::nearbyintl(0)), long double>::value), "");
1076     assert(std::nearbyint(1) == 1);
1077 }
1078
1079 void test_nextafter()
1080 {
1081     static_assert((std::is_same<decltype(std::nextafter((float)0, (float)0)), float>::value), "");
1082     static_assert((std::is_same<decltype(std::nextafter((bool)0, (float)0)), double>::value), "");
1083     static_assert((std::is_same<decltype(std::nextafter((unsigned short)0, (double)0)), double>::value), "");
1084     static_assert((std::is_same<decltype(std::nextafter((int)0, (long double)0)), long double>::value), "");
1085     static_assert((std::is_same<decltype(std::nextafter((float)0, (unsigned int)0)), double>::value), "");
1086     static_assert((std::is_same<decltype(std::nextafter((double)0, (long)0)), double>::value), "");
1087     static_assert((std::is_same<decltype(std::nextafter((long double)0, (unsigned long)0)), long double>::value), "");
1088     static_assert((std::is_same<decltype(std::nextafter((int)0, (long long)0)), double>::value), "");
1089     static_assert((std::is_same<decltype(std::nextafter((int)0, (unsigned long long)0)), double>::value), "");
1090     static_assert((std::is_same<decltype(std::nextafter((double)0, (double)0)), double>::value), "");
1091     static_assert((std::is_same<decltype(std::nextafter((long double)0, (long double)0)), long double>::value), "");
1092     static_assert((std::is_same<decltype(std::nextafter((float)0, (double)0)), double>::value), "");
1093     static_assert((std::is_same<decltype(std::nextafter((float)0, (long double)0)), long double>::value), "");
1094     static_assert((std::is_same<decltype(std::nextafter((double)0, (long double)0)), long double>::value), "");
1095     static_assert((std::is_same<decltype(std::nextafterf(0,0)), float>::value), "");
1096     static_assert((std::is_same<decltype(std::nextafterl(0,0)), long double>::value), "");
1097     static_assert((std::is_same<decltype(std::nextafter((int)0, (int)0)), double>::value), "");
1098     assert(std::nextafter(0,1) == hexfloat<double>(0x1, 0, -1074));
1099 }
1100
1101 void test_nexttoward()
1102 {
1103     static_assert((std::is_same<decltype(std::nexttoward((float)0, (long double)0)), float>::value), "");
1104     static_assert((std::is_same<decltype(std::nexttoward((bool)0, (long double)0)), double>::value), "");
1105     static_assert((std::is_same<decltype(std::nexttoward((unsigned short)0, (long double)0)), double>::value), "");
1106     static_assert((std::is_same<decltype(std::nexttoward((int)0, (long double)0)), double>::value), "");
1107     static_assert((std::is_same<decltype(std::nexttoward((unsigned int)0, (long double)0)), double>::value), "");
1108     static_assert((std::is_same<decltype(std::nexttoward((long)0, (long double)0)), double>::value), "");
1109     static_assert((std::is_same<decltype(std::nexttoward((unsigned long)0, (long double)0)), double>::value), "");
1110     static_assert((std::is_same<decltype(std::nexttoward((long long)0, (long double)0)), double>::value), "");
1111     static_assert((std::is_same<decltype(std::nexttoward((unsigned long long)0, (long double)0)), double>::value), "");
1112     static_assert((std::is_same<decltype(std::nexttoward((double)0, (long double)0)), double>::value), "");
1113     static_assert((std::is_same<decltype(std::nexttoward((long double)0, (long double)0)), long double>::value), "");
1114     static_assert((std::is_same<decltype(std::nexttowardf(0, (long double)0)), float>::value), "");
1115     static_assert((std::is_same<decltype(std::nexttowardl(0, (long double)0)), long double>::value), "");
1116     assert(std::nexttoward(0, 1) == hexfloat<double>(0x1, 0, -1074));
1117 }
1118
1119 void test_remainder()
1120 {
1121     static_assert((std::is_same<decltype(std::remainder((float)0, (float)0)), float>::value), "");
1122     static_assert((std::is_same<decltype(std::remainder((bool)0, (float)0)), double>::value), "");
1123     static_assert((std::is_same<decltype(std::remainder((unsigned short)0, (double)0)), double>::value), "");
1124     static_assert((std::is_same<decltype(std::remainder((int)0, (long double)0)), long double>::value), "");
1125     static_assert((std::is_same<decltype(std::remainder((float)0, (unsigned int)0)), double>::value), "");
1126     static_assert((std::is_same<decltype(std::remainder((double)0, (long)0)), double>::value), "");
1127     static_assert((std::is_same<decltype(std::remainder((long double)0, (unsigned long)0)), long double>::value), "");
1128     static_assert((std::is_same<decltype(std::remainder((int)0, (long long)0)), double>::value), "");
1129     static_assert((std::is_same<decltype(std::remainder((int)0, (unsigned long long)0)), double>::value), "");
1130     static_assert((std::is_same<decltype(std::remainder((double)0, (double)0)), double>::value), "");
1131     static_assert((std::is_same<decltype(std::remainder((long double)0, (long double)0)), long double>::value), "");
1132     static_assert((std::is_same<decltype(std::remainder((float)0, (double)0)), double>::value), "");
1133     static_assert((std::is_same<decltype(std::remainder((float)0, (long double)0)), long double>::value), "");
1134     static_assert((std::is_same<decltype(std::remainder((double)0, (long double)0)), long double>::value), "");
1135     static_assert((std::is_same<decltype(std::remainderf(0,0)), float>::value), "");
1136     static_assert((std::is_same<decltype(std::remainderl(0,0)), long double>::value), "");
1137     static_assert((std::is_same<decltype(std::remainder((int)0, (int)0)), double>::value), "");
1138     assert(std::remainder(0.5,1) == 0.5);
1139 }
1140
1141 void test_remquo()
1142 {
1143     int ip;
1144     static_assert((std::is_same<decltype(std::remquo((float)0, (float)0, &ip)), float>::value), "");
1145     static_assert((std::is_same<decltype(std::remquo((bool)0, (float)0, &ip)), double>::value), "");
1146     static_assert((std::is_same<decltype(std::remquo((unsigned short)0, (double)0, &ip)), double>::value), "");
1147     static_assert((std::is_same<decltype(std::remquo((int)0, (long double)0, &ip)), long double>::value), "");
1148     static_assert((std::is_same<decltype(std::remquo((float)0, (unsigned int)0, &ip)), double>::value), "");
1149     static_assert((std::is_same<decltype(std::remquo((double)0, (long)0, &ip)), double>::value), "");
1150     static_assert((std::is_same<decltype(std::remquo((long double)0, (unsigned long)0, &ip)), long double>::value), "");
1151     static_assert((std::is_same<decltype(std::remquo((int)0, (long long)0, &ip)), double>::value), "");
1152     static_assert((std::is_same<decltype(std::remquo((int)0, (unsigned long long)0, &ip)), double>::value), "");
1153     static_assert((std::is_same<decltype(std::remquo((double)0, (double)0, &ip)), double>::value), "");
1154     static_assert((std::is_same<decltype(std::remquo((long double)0, (long double)0, &ip)), long double>::value), "");
1155     static_assert((std::is_same<decltype(std::remquo((float)0, (double)0, &ip)), double>::value), "");
1156     static_assert((std::is_same<decltype(std::remquo((float)0, (long double)0, &ip)), long double>::value), "");
1157     static_assert((std::is_same<decltype(std::remquo((double)0, (long double)0, &ip)), long double>::value), "");
1158     static_assert((std::is_same<decltype(std::remquof(0,0, &ip)), float>::value), "");
1159     static_assert((std::is_same<decltype(std::remquol(0,0, &ip)), long double>::value), "");
1160     static_assert((std::is_same<decltype(std::remquo((int)0, (int)0, &ip)), double>::value), "");
1161     assert(std::remquo(0.5,1, &ip) == 0.5);
1162 }
1163
1164 void test_rint()
1165 {
1166     static_assert((std::is_same<decltype(std::rint((float)0)), float>::value), "");
1167     static_assert((std::is_same<decltype(std::rint((bool)0)), double>::value), "");
1168     static_assert((std::is_same<decltype(std::rint((unsigned short)0)), double>::value), "");
1169     static_assert((std::is_same<decltype(std::rint((int)0)), double>::value), "");
1170     static_assert((std::is_same<decltype(std::rint((unsigned int)0)), double>::value), "");
1171     static_assert((std::is_same<decltype(std::rint((long)0)), double>::value), "");
1172     static_assert((std::is_same<decltype(std::rint((unsigned long)0)), double>::value), "");
1173     static_assert((std::is_same<decltype(std::rint((long long)0)), double>::value), "");
1174     static_assert((std::is_same<decltype(std::rint((unsigned long long)0)), double>::value), "");
1175     static_assert((std::is_same<decltype(std::rint((double)0)), double>::value), "");
1176     static_assert((std::is_same<decltype(std::rint((long double)0)), long double>::value), "");
1177     static_assert((std::is_same<decltype(std::rintf(0)), float>::value), "");
1178     static_assert((std::is_same<decltype(std::rintl(0)), long double>::value), "");
1179     assert(std::rint(1) == 1);
1180 }
1181
1182 void test_round()
1183 {
1184     static_assert((std::is_same<decltype(std::round((float)0)), float>::value), "");
1185     static_assert((std::is_same<decltype(std::round((bool)0)), double>::value), "");
1186     static_assert((std::is_same<decltype(std::round((unsigned short)0)), double>::value), "");
1187     static_assert((std::is_same<decltype(std::round((int)0)), double>::value), "");
1188     static_assert((std::is_same<decltype(std::round((unsigned int)0)), double>::value), "");
1189     static_assert((std::is_same<decltype(std::round((long)0)), double>::value), "");
1190     static_assert((std::is_same<decltype(std::round((unsigned long)0)), double>::value), "");
1191     static_assert((std::is_same<decltype(std::round((long long)0)), double>::value), "");
1192     static_assert((std::is_same<decltype(std::round((unsigned long long)0)), double>::value), "");
1193     static_assert((std::is_same<decltype(std::round((double)0)), double>::value), "");
1194     static_assert((std::is_same<decltype(std::round((long double)0)), long double>::value), "");
1195     static_assert((std::is_same<decltype(std::roundf(0)), float>::value), "");
1196     static_assert((std::is_same<decltype(std::roundl(0)), long double>::value), "");
1197     assert(std::round(1) == 1);
1198 }
1199
1200 void test_scalbln()
1201 {
1202     static_assert((std::is_same<decltype(std::scalbln((float)0, (long)0)), float>::value), "");
1203     static_assert((std::is_same<decltype(std::scalbln((bool)0, (long)0)), double>::value), "");
1204     static_assert((std::is_same<decltype(std::scalbln((unsigned short)0, (long)0)), double>::value), "");
1205     static_assert((std::is_same<decltype(std::scalbln((int)0, (long)0)), double>::value), "");
1206     static_assert((std::is_same<decltype(std::scalbln((unsigned int)0, (long)0)), double>::value), "");
1207     static_assert((std::is_same<decltype(std::scalbln((long)0, (long)0)), double>::value), "");
1208     static_assert((std::is_same<decltype(std::scalbln((unsigned long)0, (long)0)), double>::value), "");
1209     static_assert((std::is_same<decltype(std::scalbln((long long)0, (long)0)), double>::value), "");
1210     static_assert((std::is_same<decltype(std::scalbln((unsigned long long)0, (long)0)), double>::value), "");
1211     static_assert((std::is_same<decltype(std::scalbln((double)0, (long)0)), double>::value), "");
1212     static_assert((std::is_same<decltype(std::scalbln((long double)0, (long)0)), long double>::value), "");
1213     static_assert((std::is_same<decltype(std::scalblnf(0, (long)0)), float>::value), "");
1214     static_assert((std::is_same<decltype(std::scalblnl(0, (long)0)), long double>::value), "");
1215     assert(std::scalbln(1, 1) == 2);
1216 }
1217
1218 void test_scalbn()
1219 {
1220     static_assert((std::is_same<decltype(std::scalbn((float)0, (int)0)), float>::value), "");
1221     static_assert((std::is_same<decltype(std::scalbn((bool)0, (int)0)), double>::value), "");
1222     static_assert((std::is_same<decltype(std::scalbn((unsigned short)0, (int)0)), double>::value), "");
1223     static_assert((std::is_same<decltype(std::scalbn((int)0, (int)0)), double>::value), "");
1224     static_assert((std::is_same<decltype(std::scalbn((unsigned int)0, (int)0)), double>::value), "");
1225     static_assert((std::is_same<decltype(std::scalbn((long)0, (int)0)), double>::value), "");
1226     static_assert((std::is_same<decltype(std::scalbn((unsigned long)0, (int)0)), double>::value), "");
1227     static_assert((std::is_same<decltype(std::scalbn((long long)0, (int)0)), double>::value), "");
1228     static_assert((std::is_same<decltype(std::scalbn((unsigned long long)0, (int)0)), double>::value), "");
1229     static_assert((std::is_same<decltype(std::scalbn((double)0, (int)0)), double>::value), "");
1230     static_assert((std::is_same<decltype(std::scalbn((long double)0, (int)0)), long double>::value), "");
1231     static_assert((std::is_same<decltype(std::scalbnf(0, (int)0)), float>::value), "");
1232     static_assert((std::is_same<decltype(std::scalbnl(0, (int)0)), long double>::value), "");
1233     assert(std::scalbn(1, 1) == 2);
1234 }
1235
1236 void test_tgamma()
1237 {
1238     static_assert((std::is_same<decltype(std::tgamma((float)0)), float>::value), "");
1239     static_assert((std::is_same<decltype(std::tgamma((bool)0)), double>::value), "");
1240     static_assert((std::is_same<decltype(std::tgamma((unsigned short)0)), double>::value), "");
1241     static_assert((std::is_same<decltype(std::tgamma((int)0)), double>::value), "");
1242     static_assert((std::is_same<decltype(std::tgamma((unsigned int)0)), double>::value), "");
1243     static_assert((std::is_same<decltype(std::tgamma((long)0)), double>::value), "");
1244     static_assert((std::is_same<decltype(std::tgamma((unsigned long)0)), double>::value), "");
1245     static_assert((std::is_same<decltype(std::tgamma((long long)0)), double>::value), "");
1246     static_assert((std::is_same<decltype(std::tgamma((unsigned long long)0)), double>::value), "");
1247     static_assert((std::is_same<decltype(std::tgamma((double)0)), double>::value), "");
1248     static_assert((std::is_same<decltype(std::tgamma((long double)0)), long double>::value), "");
1249     static_assert((std::is_same<decltype(std::tgammaf(0)), float>::value), "");
1250     static_assert((std::is_same<decltype(std::tgammal(0)), long double>::value), "");
1251     assert(std::tgamma(1) == 1);
1252 }
1253
1254 void test_trunc()
1255 {
1256     static_assert((std::is_same<decltype(std::trunc((float)0)), float>::value), "");
1257     static_assert((std::is_same<decltype(std::trunc((bool)0)), double>::value), "");
1258     static_assert((std::is_same<decltype(std::trunc((unsigned short)0)), double>::value), "");
1259     static_assert((std::is_same<decltype(std::trunc((int)0)), double>::value), "");
1260     static_assert((std::is_same<decltype(std::trunc((unsigned int)0)), double>::value), "");
1261     static_assert((std::is_same<decltype(std::trunc((long)0)), double>::value), "");
1262     static_assert((std::is_same<decltype(std::trunc((unsigned long)0)), double>::value), "");
1263     static_assert((std::is_same<decltype(std::trunc((long long)0)), double>::value), "");
1264     static_assert((std::is_same<decltype(std::trunc((unsigned long long)0)), double>::value), "");
1265     static_assert((std::is_same<decltype(std::trunc((double)0)), double>::value), "");
1266     static_assert((std::is_same<decltype(std::trunc((long double)0)), long double>::value), "");
1267     static_assert((std::is_same<decltype(std::truncf(0)), float>::value), "");
1268     static_assert((std::is_same<decltype(std::truncl(0)), long double>::value), "");
1269     assert(std::trunc(1) == 1);
1270 }
1271
1272 int main()
1273 {
1274     test_abs();
1275     test_acos();
1276     test_asin();
1277     test_atan();
1278     test_atan2();
1279     test_ceil();
1280     test_cos();
1281     test_cosh();
1282     test_exp();
1283     test_fabs();
1284     test_floor();
1285     test_fmod();
1286     test_frexp();
1287     test_ldexp();
1288     test_log();
1289     test_log10();
1290     test_modf();
1291     test_pow();
1292     test_sin();
1293     test_sinh();
1294     test_sqrt();
1295     test_tan();
1296     test_tanh();
1297     test_signbit();
1298     test_fpclassify();
1299     test_isfinite();
1300     test_isnormal();
1301     test_isgreater();
1302     test_isgreaterequal();
1303     test_isless();
1304     test_islessequal();
1305     test_islessgreater();
1306     test_isunordered();
1307     test_acosh();
1308     test_asinh();
1309     test_atanh();
1310     test_cbrt();
1311     test_copysign();
1312     test_erf();
1313     test_erfc();
1314     test_exp2();
1315     test_expm1();
1316     test_fdim();
1317     test_fma();
1318     test_fmax();
1319     test_fmin();
1320     test_hypot();
1321     test_ilogb();
1322     test_lgamma();
1323     test_llrint();
1324     test_llround();
1325     test_log1p();
1326     test_log2();
1327     test_logb();
1328     test_lrint();
1329     test_lround();
1330     test_nan();
1331     test_nearbyint();
1332     test_nextafter();
1333     test_nexttoward();
1334     test_remainder();
1335     test_remquo();
1336     test_rint();
1337     test_round();
1338     test_scalbln();
1339     test_scalbn();
1340     test_tgamma();
1341     test_trunc();
1342 }