Add test for range error in expm1.

git-mirror · May 16, 2009 · bbc5d74 · bbc5d74
1 parent bf3fde0
commit bbc5d74
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diff --git a/ChangeLog b/ChangeLog
@@ -1,5 +1,7 @@
 2009-05-15  Ulrich Drepper  <drepper@redhat.com>
 
+	* math/libm-test.inc (expm1_test): Add test for range error.
+
 	* Versions.def: Add GLIBC_2.11 for libc.
 	* debug/Makefile (routines): Add longjmp_chk.
 	Add rules to build and run tst-longjmp_chk.

diff --git a/math/libm-test.inc b/math/libm-test.inc
@@ -2603,6 +2603,10 @@ expm1_test (void)
   TEST_f_f (expm1, 1, M_El - 1.0);
   TEST_f_f (expm1, 0.75L, 1.11700001661267466854536981983709561L);
 
+  errno = 0;
+  TEST_f_f (expm1, 100000.0, plus_infty);
+  check_int ("errno for expm1(large) == ERANGE", errno, ERANGE, 0, 0, 0);
+
   END (expm1);
 }