Add test for range error in expm1.

diff --git a/ChangeLog b/ChangeLog
index f317568d357e9e9548da8e8703edbfd7e498416a..050431278bb53840df0047eed83150ba4888ecb8 100644 (file)
--- 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
index 8c5727ca279b4af56dd05051ce3baaea9b7bd18d..260d3ec665406ecc7c93dad30be446af0e3dd0bf 100644 (file)
--- 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);
 }