musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/src/math/fdim.c b/src/math/fdim.c
new file mode 100644
index 00000000..fb25521c
--- /dev/null
+++ b/src/math/fdim.c

@@ -0,0 +1,10 @@

+#include "libm.h"

+

+double fdim(double x, double y)

+{

+ if (isnan(x))

+ return x;

+ if (isnan(y))

+ return y;

+ return x > y ? x - y : 0;

+}