macros.h, cleanup SGN() macro

2016-09-04 20:25:54 +02:00 · 2016-09-04 20:25:54 +02:00 · 9c2733db48
parent 034188cb43
commit 9c2733db48
1 changed files with 1 additions and 1 deletions
--- a/src/include/ngspice/macros.h
+++ b/src/include/ngspice/macros.h
@ -34,7 +34,7 @@
 #define MIN(a,b) ((a) < (b) ? (a) : (b))
 #define MAX(a,b) ((a) > (b) ? (a) : (b))
 #define ABS(a)    ((a) < 0.0 ? -(a) : (a))
-#define SGN(a)    ((a) < 0.0 ? -(1.0) : (1.0))
+#define SGN(a)    copysign(1.0, (a))
 #define SWAP(type, a, b)                        \
    do {                                        \
        type SWAP_macro_local = a;              \