add iswspace(0) regression test

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

diff --git a/src/math/lgammal_r.c b/src/math/lgammal_r.c
index 2ebe612..848f48d 100644 (file)
--- a/src/math/lgammal_r.c
+++ b/src/math/lgammal_r.c
@@ -1,13 +1,16 @@
+#define _GNU_SOURCE 1
 #include <stdint.h>
 #include <stdio.h>
-#include "util.h"
+#include "mtest.h"
 
 static struct l_li t[] = {
 #if LDBL_MANT_DIG == 53
-#include "sanity/lgammal_r.h"
+#include "sanity/lgamma_r.h"
+#include "special/lgamma_r.h"
 
 #elif LDBL_MANT_DIG == 64
 #include "sanity/lgammal_r.h"
+#include "special/lgammal_r.h"
 
 #endif
 };
@@ -38,7 +41,8 @@ int main(void)
                        err++;
                }
                d = ulperrl(y, p->y, p->dy);
-               if (!checkulp(d, p->r) || yi != p->i) {
+               // TODO: 2 ulp errors allowed
+               if ((p->r==RN && fabs(d)>2) || (!isnan(p->x) && p->x!=-inf && !(p->e&DIVBYZERO) && yi != p->i)) {
                        printf("%s:%d: %s lgammal_r(%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++;