#define _GNU_SOURCE 1 #include #include #include "mtest.h" static struct l_ll t[] = { #if LDBL_MANT_DIG == 53 #include "sanity/sincos.h" #include "special/sincos.h" #elif LDBL_MANT_DIG == 64 #include "sanity/sincosl.h" #include "special/sincosl.h" #endif }; int main(void) { #pragma STDC FENV_ACCESS ON long double ysin, ycos; float dsin, dcos; int e, i, err = 0; struct l_ll *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); sincosl(p->x, &ysin, &ycos); e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW); if (!checkexcept(e, p->e, p->r)) { printf("%s:%d: bad fp exception: %s sincosl(%La)=%La,%La, want %s", p->file, p->line, rstr(p->r), p->x, p->y, p->y2, estr(p->e)); printf(" got %s\n", estr(e)); err++; } dsin = ulperr(ysin, p->y, p->dy); dcos = ulperr(ycos, p->y2, p->dy2); if (!checkulp(dsin, p->r) || !checkulp(dcos, p->r)) { printf("%s:%d: %s sincosl(%La) want %La,%La got %La,%La, ulperr %.3f = %a + %a, %.3f = %a + %a\n", p->file, p->line, rstr(p->r), p->x, p->y, p->y2, ysin, ycos, dsin, dsin-p->dy, p->dy, dcos, dcos-p->dy2, p->dy2); err++; } } return !!err; }