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-rw-r--r--tests/test-math.c63
1 files changed, 57 insertions, 6 deletions
diff --git a/tests/test-math.c b/tests/test-math.c
index f940a249..7ac8b9a6 100644
--- a/tests/test-math.c
+++ b/tests/test-math.c
@@ -1,5 +1,5 @@
/* Test of <math.h> substitute.
- Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2007-2015 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -25,6 +25,35 @@
choke me
#endif
+#ifndef HUGE_VALF
+# error HUGE_VALF should be defined
+choke me
+#endif
+
+#ifndef HUGE_VAL
+# error HUGE_VAL should be defined
+choke me
+#endif
+
+#ifndef HUGE_VALL
+# error HUGE_VALL should be defined
+choke me
+#endif
+
+#ifndef FP_ILOGB0
+# error FP_ILOGB0 should be defined
+choke me
+#endif
+
+#ifndef FP_ILOGBNAN
+# error FP_ILOGBNAN should be defined
+choke me
+#endif
+
+#include <limits.h>
+
+#include "macros.h"
+
#if 0
/* Check that NAN expands into a constant expression. */
static float n = NAN;
@@ -34,7 +63,17 @@ static float n = NAN;
This is a separate function because IRIX 6.5 "cc -O" miscompiles an
'x == x' test. */
static int
-numeric_equal (double x, double y)
+numeric_equalf (float x, float y)
+{
+ return x == y;
+}
+static int
+numeric_equald (double x, double y)
+{
+ return x == y;
+}
+static int
+numeric_equall (long double x, long double y)
{
return x == y;
}
@@ -44,10 +83,22 @@ main (void)
{
double d = NAN;
double zero = 0.0;
- if (numeric_equal (d, d))
- return 1;
+ ASSERT (!numeric_equald (d, d));
+
d = HUGE_VAL;
- if (!numeric_equal (d, 1.0 / zero))
- return 1;
+ ASSERT (numeric_equald (d, 1.0 / zero));
+
+ ASSERT (numeric_equalf (HUGE_VALF, HUGE_VALF + HUGE_VALF));
+
+ ASSERT (numeric_equald (HUGE_VAL, HUGE_VAL + HUGE_VAL));
+
+ ASSERT (numeric_equall (HUGE_VALL, HUGE_VALL + HUGE_VALL));
+
+ /* Check the value of FP_ILOGB0. */
+ ASSERT (FP_ILOGB0 == INT_MIN || FP_ILOGB0 == - INT_MAX);
+
+ /* Check the value of FP_ILOGBNAN. */
+ ASSERT (FP_ILOGBNAN == INT_MIN || FP_ILOGBNAN == INT_MAX);
+
return 0;
}