X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fmath%2Fcopysign.c;h=61e13dd2f45b4eef9d913f027c2ff7b2daa9a817;hb=e081ed1387e0c27dc689c8e32fdda06039544107;hp=f22fcb70b6507f4c57f8dd38d73f8fbd7d474259;hpb=34893ecc2200dc7017c36a54cb6c5f4c2378b5ec;p=pdclib

diff --git a/functions/math/copysign.c b/functions/math/copysign.c
index f22fcb7..61e13dd 100644
--- a/functions/math/copysign.c
+++ b/functions/math/copysign.c
@@ -5,15 +5,19 @@
 // This code is Public Domain. Use, modify, and redistribute at will.
 // ----------------------------------------------------------------------------
 
-// ----------------------------------------------------------------------------
-// C++
+double copysign( double x, double y ) { /* TODO */ };
 
-float copysign( float x, float y ) { /* TODO */ };
-long double copysign( long double x, long double y ) { /* TODO */ };
+/* Own code
+{
+    if ( y < 0 )
+    {
+        return ( x < 0 ) ? x : -x;
+    }
+    else
+    {
+        return ( x < 0 ) ? -x : x;
+    }
+}
 
-// ----------------------------------------------------------------------------
-// Standard C
-
-double copysign( double x, double y ) { /* TODO */ };
 float copysignf( float x, float y ) { /* TODO */ };
 long double copysignl( long double x, long double y ) { /* TODO */ };