#include #include #include "mtest.h" static struct lll_l t[] = { #if LDBL_MANT_DIG == 53 #include "sanity/fma.h" #include "special/fma.h" #elif LDBL_MANT_DIG == 64 #include "sanity/fmal.h" #include "special/fmal.h" #endif }; int main(void) { #pragma STDC FENV_ACCESS ON long double y; float d; int e, i, err = 0; struct lll_l *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 = fmal(p->x, p->x2, p->x3); e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW); /* do not check inexact by default */ #if defined CHECK_INEXACT || defined CHECK_INEXACT_OMISSION if (!checkexceptall(e, p->e, p->r)) { #else if (!checkexceptall(e|INEXACT, p->e|INEXACT, p->r)) { #endif printf("%s:%d: bad fp exception: %s fmal(%La,%La,%La)=%La, want %s", p->file, p->line, rstr(p->r), p->x, p->x2, p->x3, p->y, estr(p->e)); printf(" got %s\n", estr(e)); err++; } d = ulperrl(y, p->y, p->dy); if (!checkcr(y, p->y, p->r)) { printf("%s:%d: %s fmal(%La,%La,%La) want %La got %La ulperr %.3f = %a + %a\n", p->file, p->line, rstr(p->r), p->x, p->x2, p->x3, p->y, y, d, d-p->dy, p->dy); err++; } } return !!err; }