NEWS.stable: log cherry-pick [e446f25]->[c092018] relocatable-shell: Update suggested...

[gnulib.git] / tests / test-math.c

diff --git a/tests/test-math.c b/tests/test-math.c
index 25be63a..f3975ee 100644 (file)
--- a/tests/test-math.c
+++ b/tests/test-math.c
@@ -1,5 +1,5 @@
 /* Test of <math.h> substitute.
-   Copyright (C) 2007-2012 Free Software Foundation, Inc.
+   Copyright (C) 2007-2014 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
@@ -40,6 +40,18 @@ choke me
 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
@@ -82,5 +94,11 @@ main (void)
 
   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;
 }