aboutsummaryrefslogtreecommitdiff
path: root/lib/mlibc/options/ansi/musl-generic-math/fminf.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/mlibc/options/ansi/musl-generic-math/fminf.c')
-rw-r--r--lib/mlibc/options/ansi/musl-generic-math/fminf.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/fminf.c b/lib/mlibc/options/ansi/musl-generic-math/fminf.c
new file mode 100644
index 0000000..3573c7d
--- /dev/null
+++ b/lib/mlibc/options/ansi/musl-generic-math/fminf.c
@@ -0,0 +1,13 @@
+#include <math.h>
+
+float fminf(float x, float 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) ? x : y;
+ return x < y ? x : y;
+}