#include #include #include "mtest.h" static struct fff_f t[] = { #include "sanity/fmaf.h" #include "special/fmaf.h" }; int main(void) { #pragma STDC FENV_ACCESS ON float y; float d; int e, i, err = 0; struct fff_f *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 = fmaf(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 fmaf(%a,%a,%a)=%a, 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 = ulperrf(y, p->y, p->dy); if (!checkcr(y, p->y, p->r)) { printf("%s:%d: %s fmaf(%a,%a,%a) want %a got %a 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; }