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-rw-r--r--tools/regression/lib/msun/test-nearbyint.c26
1 files changed, 10 insertions, 16 deletions
diff --git a/tools/regression/lib/msun/test-nearbyint.c b/tools/regression/lib/msun/test-nearbyint.c
index 7251acb..602ea2a 100644
--- a/tools/regression/lib/msun/test-nearbyint.c
+++ b/tools/regression/lib/msun/test-nearbyint.c
@@ -40,8 +40,7 @@ __FBSDID("$FreeBSD$");
#include <math.h>
#include <stdio.h>
-#define ALL_STD_EXCEPT (FE_DIVBYZERO | FE_INEXACT | FE_INVALID | \
- FE_OVERFLOW | FE_UNDERFLOW)
+#include "test-utils.h"
static int testnum;
@@ -49,6 +48,14 @@ static const int rmodes[] = {
FE_TONEAREST, FE_DOWNWARD, FE_UPWARD, FE_TOWARDZERO,
};
+/* Make sure we're testing the library, not some broken compiler built-ins. */
+double (*libnearbyint)(double) = nearbyint;
+float (*libnearbyintf)(float) = nearbyintf;
+long double (*libnearbyintl)(long double) = nearbyintl;
+#define nearbyintf libnearbyintf
+#define nearbyint libnearbyint
+#define nearbyintl libnearbyintl
+
static const struct {
float in;
float out[3]; /* one answer per rounding mode except towardzero */
@@ -64,19 +71,6 @@ static const struct {
static const int ntests = sizeof(tests) / sizeof(tests[0]);
-/*
- * Compare d1 and d2 using special rules: NaN == NaN and +0 != -0.
- * Fail an assertion if they differ.
- */
-static int
-fpequal(long double d1, long double d2)
-{
-
- if (d1 != d2)
- return (isnan(d1) && isnan(d2));
- return (copysignl(1.0, d1) == copysignl(1.0, d2));
-}
-
/* Get the appropriate result for the current rounding mode. */
static float
get_output(int testindex, int rmodeindex, int negative)
@@ -107,7 +101,7 @@ test_nearby(int testindex)
in = tests[testindex].in;
out = get_output(testindex, i, 0);
- assert(fpequal(out, nearbyintf(in)));
+ assert(fpequal(out, libnearbyintf(in)));
assert(fpequal(out, nearbyint(in)));
assert(fpequal(out, nearbyintl(in)));
assert(fetestexcept(ALL_STD_EXCEPT) == 0);
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