ortho LENGTH: rephras an open coded 'hypot'

diff --git a/lib/ortho/partition.c b/lib/ortho/partition.c
index 69b1dbcfd0660152924dccb4c5adb950dc69d441..6a4ce218fbfc66963c60886a5752aa59bfc84e08 100644 (file)
--- a/lib/ortho/partition.c
+++ b/lib/ortho/partition.c
@@ -39,7 +39,7 @@
 
 #define DOT(v0, v1) ((v0).x * (v1).x + (v0).y * (v1).y)
 #define CROSS_SINE(v0, v1) ((v0).x * (v1).y - (v1).x * (v0).y)
-#define LENGTH(v0) (sqrt((v0).x * (v0).x + (v0).y * (v0).y))
+#define LENGTH(v0) hypot((v0).x, (v0).y)
 
 #ifndef HAVE_SRAND48
 #define srand48 srand