Module Name: src
Committed By: riastradh
Date: Mon May 6 15:45:20 UTC 2024
Modified Files:
src/tests/lib/libm: t_cos.c
Log Message:
tests/lib/libm/t_cos: Fix comment about necessity of volatile.
To generate a diff of this commit:
cvs rdiff -u -r1.10 -r1.11 src/tests/lib/libm/t_cos.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/lib/libm/t_cos.c
diff -u src/tests/lib/libm/t_cos.c:1.10 src/tests/lib/libm/t_cos.c:1.11
--- src/tests/lib/libm/t_cos.c:1.10 Mon May 6 15:44:08 2024
+++ src/tests/lib/libm/t_cos.c Mon May 6 15:45:20 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: t_cos.c,v 1.10 2024/05/06 15:44:08 riastradh Exp $ */
+/* $NetBSD: t_cos.c,v 1.11 2024/05/06 15:45:20 riastradh Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
@@ -277,9 +277,10 @@ ATF_TC_BODY(cosf_angles, tc)
*
* The volatile should not be necessary, by C99 Sec.
* 5.2.4.2.2. para. 8 on p. 24 which specifies that
- * assignment and cast remove all extra range and precision,
- * but seems to be needed to work around a compiler bug.
- */
+ * assignment and cast remove all extra range and
+ * precision, but is needed when we compile with
+ * -std=gnu99 which doesn't implement this semantics.
+ */
volatile float result = cosf(theta);
if (cos_theta == 999)
