src/math/cosh.c

   1 #include <stdint.h>
   2 #include <stdio.h>
   3 #include "util.h"
   4
   5 static struct d_d t[] = {
   6
   7 #include "crlibm/cosh.h"
   8 #include "ucb/cosh.h"
   9 #include "sanity/cosh.h"
  10 };
  11
  12 int main(void)
  13 {
  14         double y;
  15         float d;
  16         int e, i, err = 0;
  17         struct d_d *p;
  18
  19         for (i = 0; i < sizeof t/sizeof *t; i++) {
  20                 p = t + i;
  21                 setupfenv(p->r);
  22                 y = cosh(p->x);
  23                 e = getexcept();
  24                 if (!checkexcept(e, p->e, p->r)) {
  25                         printf("%s cosh(%a)==%a except: want %s", rstr(p->r), p->x, p->y, estr(p->e));
  26                         printf(" got %s\n", estr(e));
  27                         err++;
  28                 }
  29                 d = ulperr(y, p->y, p->dy);
  30                 if (!checkulp(d, p->r)) {
  31                         printf("%s cosh(%a) want %a got %a ulperr %.3f = %a + %a\n",
  32                                 rstr(p->r), p->x, p->y, y, d, d-p->dy, p->dy);
  33                         err++;
  34                 }
  35         }
  36         return !!err;
  37 }