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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
commit8c1ab65c0f548d20b7f177bdb736daaf603340e1 (patch)
treedf55b7e75bf43f2bf500845b105afe3ac3a5157e /libc-top-half/musl/src/math/fmaxl.c
parentInitial commit. (diff)
downloadwasi-libc-8c1ab65c0f548d20b7f177bdb736daaf603340e1.tar.xz
wasi-libc-8c1ab65c0f548d20b7f177bdb736daaf603340e1.zip
Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libc-top-half/musl/src/math/fmaxl.c')
-rw-r--r--libc-top-half/musl/src/math/fmaxl.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/math/fmaxl.c b/libc-top-half/musl/src/math/fmaxl.c
new file mode 100644
index 0000000..4b03158
--- /dev/null
+++ b/libc-top-half/musl/src/math/fmaxl.c
@@ -0,0 +1,21 @@
+#include <math.h>
+#include <float.h>
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+long double fmaxl(long double x, long double y)
+{
+ return fmax(x, y);
+}
+#else
+long double fmaxl(long double x, long double y)
+{
+ if (isnan(x))
+ return y;
+ if (isnan(y))
+ return x;
+ /* handle signed zeros, see C99 Annex F.9.9.2 */
+ if (signbit(x) != signbit(y))
+ return signbit(x) ? y : x;
+ return x < y ? y : x;
+}
+#endif