X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fmath%2Fcopysign.c;h=98622f433cbb0450cb7e12a154c4ca2b8cbcb3ce;hp=f22fcb70b6507f4c57f8dd38d73f8fbd7d474259;hb=1d9d92ba957a0b8307c9a65c35867fde68e6533b;hpb=34893ecc2200dc7017c36a54cb6c5f4c2378b5ec

diff --git a/functions/math/copysign.c b/functions/math/copysign.c
index f22fcb7..98622f4 100644
--- a/functions/math/copysign.c
+++ b/functions/math/copysign.c
@@ -1,19 +1,23 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
+/* ----------------------------------------------------------------------------
+ * $Id$
+ * ----------------------------------------------------------------------------
+ * Public Domain C Library - http://pdclib.sourceforge.net
+ * This code is Public Domain. Use, modify, and redistribute at will.
+ * --------------------------------------------------------------------------*/
 
-// ----------------------------------------------------------------------------
-// C++
-
-float copysign( float x, float y ) { /* TODO */ };
-long double copysign( long double x, long double y ) { /* TODO */ };
+double copysign( double x, double y ) { /* TODO */ };
 
-// ----------------------------------------------------------------------------
-// Standard C
+/* Own code
+{
+    if ( y < 0 )
+    {
+        return ( x < 0 ) ? x : -x;
+    }
+    else
+    {
+        return ( x < 0 ) ? -x : x;
+    }
+}
 
-double copysign( double x, double y ) { /* TODO */ };
 float copysignf( float x, float y ) { /* TODO */ };
 long double copysignl( long double x, long double y ) { /* TODO */ };