src/math/lgammaf_r.c

   1 #define _BSD_SOURCE 1
   2 #define _GNU_SOURCE 1
   3 #include <stdint.h>
   4 #include <stdio.h>
   5 #include "mtest.h"
   6
   7 static struct f_fi t[] = {
   8 #include "sanity/lgammaf_r.h"
   9 #include "special/lgammaf_r.h"
  10
  11 };
  12
  13 int main(void)
  14 {
  15         #pragma STDC FENV_ACCESS ON
  16         int yi;
  17         double y;
  18         float d;
  19         int e, i, err = 0;
  20         struct f_fi *p;
  21
  22         for (i = 0; i < sizeof t/sizeof *t; i++) {
  23                 p = t + i;
  24
  25                 if (p->r < 0)
  26                         continue;
  27                 fesetround(p->r);
  28                 feclearexcept(FE_ALL_EXCEPT);
  29                 y = lgammaf_r(p->x, &yi);
  30                 e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
  31
  32                 if (!checkexcept(e, p->e, p->r)) {
  33                         printf("%s:%d: bad fp exception: %s lgammaf_r(%a)=%a,%lld, want %s",
  34                                 p->file, p->line, rstr(p->r), p->x, p->y, p->i, estr(p->e));
  35                         printf(" got %s\n", estr(e));
  36                         err++;
  37                 }
  38                 d = ulperrf(y, p->y, p->dy);
  39                 if (!checkulp(d, p->r) || (!isnan(p->x) && p->x!=-inf && !(p->e&DIVBYZERO) && yi != p->i)) {
  40                         printf("%s:%d: %s lgammaf_r(%a) want %a,%lld got %a,%d ulperr %.3f = %a + %a\n",
  41                                 p->file, p->line, rstr(p->r), p->x, p->y, p->i, y, yi, d, d-p->dy, p->dy);
  42                         err++;
  43                 }
  44         }
  45         return !!err;
  46 }