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-rw-r--r--sysdeps/generic/math-tests.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/generic/math-tests.h b/sysdeps/generic/math-tests.h
index 76f738ee99..da8747a944 100644
--- a/sysdeps/generic/math-tests.h
+++ b/sysdeps/generic/math-tests.h
@@ -34,3 +34,9 @@
   (sizeof (x) == sizeof (float) ? SNAN_TESTS_float			\
    : sizeof (x) == sizeof (double) ? SNAN_TESTS_double			\
    : SNAN_TESTS_long_double)
+
+/* Indicate whether to run tests involving type casts of sNaN values.  These
+   are run unless overridden.  */
+#ifndef SNAN_TESTS_TYPE_CAST
+# define SNAN_TESTS_TYPE_CAST	1
+#endif