summaryrefslogtreecommitdiff
path: root/src/math/fdim.c
diff options
context:
space:
mode:
authorVladimir Azarov <avm@intermediate-node.net>2024-10-01 15:47:05 +0200
committerVladimir Azarov <avm@intermediate-node.net>2024-10-01 15:47:05 +0200
commit4abab5ad6c8465a7528ccdd5f49367da05f78bbd (patch)
treeebf009bf1376a5a223a915bc27cbbd791a1316bc /src/math/fdim.c
Initial version
Diffstat (limited to 'src/math/fdim.c')
-rw-r--r--src/math/fdim.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/math/fdim.c b/src/math/fdim.c
new file mode 100644
index 0000000..9585460
--- /dev/null
+++ b/src/math/fdim.c
@@ -0,0 +1,10 @@
+#include <math.h>
+
+double fdim(double x, double y)
+{
+ if (isnan(x))
+ return x;
+ if (isnan(y))
+ return y;
+ return x > y ? x - y : 0;
+}