math: add some float f(float,int) and some float f(float,int*) tests

[libc-test] / src / math / lgammal.c

diff --git a/src/math/lgammal.c b/src/math/lgammal.c
new file mode 100644 (file)
index 0000000..ef25118
--- /dev/null
+++ b/src/math/lgammal.c
@@ -0,0 +1,43 @@
+#include <stdint.h>
+#include <stdio.h>
+#include "util.h"
+
+static struct l_li t[] = {
+#if LDBL_MANT_DIG == 53
+#include "sanity/lgamma.h"
+
+#elif LDBL_MANT_DIG == 64
+#include "sanity/lgammal.h"
+
+#endif
+};
+
+int main(void)
+{
+       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;
+               setupfenv(p->r);
+               y = lgammal(p->x);
+               yi = signgam;
+               e = getexcept();
+               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 (!checkulp(d, p->r) || 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;
+}