• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 #include <stdint.h>
2 #include <stdio.h>
3 #include "mtest.h"
4 
5 static struct lll_l t[] = {
6 #if LDBL_MANT_DIG == 53
7 #include "sanity/fma.h"
8 #include "special/fma.h"
9 #elif LDBL_MANT_DIG == 64
10 #include "sanity/fmal.h"
11 #include "special/fmal.h"
12 #endif
13 };
14 
main(void)15 int main(void)
16 {
17 	#pragma STDC FENV_ACCESS ON
18 	long double y;
19 	float d;
20 	int e, i, err = 0;
21 	struct lll_l *p;
22 
23 	for (i = 0; i < sizeof t/sizeof *t; i++) {
24 		p = t + i;
25 
26 		if (p->r < 0)
27 			continue;
28 		fesetround(p->r);
29 		feclearexcept(FE_ALL_EXCEPT);
30 		y = fmal(p->x, p->x2, p->x3);
31 		e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
32 
33 		/* do not check inexact by default */
34 #if defined CHECK_INEXACT || defined CHECK_INEXACT_OMISSION
35 		if (!checkexceptall(e, p->e, p->r)) {
36 #else
37 		if (!checkexceptall(e|INEXACT, p->e|INEXACT, p->r)) {
38 #endif
39 			printf("%s:%d: bad fp exception: %s fmal(%La,%La,%La)=%La, want %s",
40 				p->file, p->line, rstr(p->r), p->x, p->x2, p->x3, p->y, estr(p->e));
41 			printf(" got %s\n", estr(e));
42 			err++;
43 		}
44 		d = ulperrl(y, p->y, p->dy);
45 		if (!checkcr(y, p->y, p->r)) {
46 			printf("%s:%d: %s fmal(%La,%La,%La) want %La got %La ulperr %.3f = %a + %a\n",
47 				p->file, p->line, rstr(p->r), p->x, p->x2, p->x3, p->y, y, d, d-p->dy, p->dy);
48 			err++;
49 		}
50 	}
51 	return !!err;
52 }
53