| #define _DEFAULT_SOURCE 1 |
| #define _BSD_SOURCE 1 |
| #define _XOPEN_SOURCE 700 |
| #include <stdint.h> |
| #include <stdio.h> |
| #include "mtest.h" |
| |
| static struct l_li t[] = { |
| #if LDBL_MANT_DIG == 53 |
| #include "sanity/lgamma.h" |
| #include "special/lgamma.h" |
| |
| #elif LDBL_MANT_DIG == 64 |
| #include "sanity/lgammal.h" |
| #include "special/lgammal.h" |
| |
| #endif |
| }; |
| |
| int main(void) |
| { |
| #pragma STDC FENV_ACCESS ON |
| int yi; |
| long double y; |
| float d; |
| int e, i, err = 0; |
| struct l_li *p; |
| |
| for (i = 0; i < sizeof t/sizeof *t; i++) { |
| p = t + i; |
| |
| if (p->r < 0) |
| continue; |
| fesetround(p->r); |
| feclearexcept(FE_ALL_EXCEPT); |
| y = lgammal(p->x); |
| yi = signgam; |
| e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW); |
| |
| if (!checkexcept(e, p->e, p->r)) { |
| printf("%s:%d: bad fp exception: %s lgammal(%La)=%La,%lld, want %s", |
| p->file, p->line, rstr(p->r), p->x, p->y, p->i, estr(p->e)); |
| printf(" got %s\n", estr(e)); |
| err++; |
| } |
| d = ulperrl(y, p->y, p->dy); |
| |
| if ((p->r==RN && fabs(d) > 2) || (!isnan(p->x) && p->x!=-inf && !(p->e&DIVBYZERO) && yi != p->i)) { |
| printf("%s:%d: %s lgammal(%La) want %La,%lld got %La,%d ulperr %.3f = %a + %a\n", |
| p->file, p->line, rstr(p->r), p->x, p->y, p->i, y, yi, d, d-p->dy, p->dy); |
| err++; |
| } |
| } |
| return !!err; |
| } |