(fdim_test): Add test case for fdim(+inf,+inf).

diff --git a/math/libm-test.inc b/math/libm-test.inc
index 729fce9..b23ec84 100644 (file)
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -2557,6 +2557,8 @@ fdim_test (void)
   TEST_ff_f (fdim, nan_value, minus_infty, nan_value);
   TEST_ff_f (fdim, nan_value, nan_value, nan_value);
 
+  TEST_ff_f (fdim, plus_infty, plus_infty, 0);
+
   END (fdim);
 }