X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=includes%2Fcomplex.h;h=d4cc9ea990bd7ba5b34a23ddda34db0c06f1fc98;hp=59cb5b2c45facaefb2be191f02523365b48af6e0;hb=ac3f809c3c10347c110fac3db93af0954eda98bb;hpb=8b8277d2940a8745f85d86a9af3ad6970b5fa52c

diff --git a/includes/complex.h b/includes/complex.h
index 59cb5b2..d4cc9ea 100644
--- a/includes/complex.h
+++ b/includes/complex.h
@@ -4,8 +4,7 @@
 // Public Domain C Library - http://pdclib.sourceforge.net
 // This code is Public Domain. Use, modify, and redistribute at will.
 // ----------------------------------------------------------------------------
-// Provides the types float _Complex, double _Complex and long double _Complex
-// plus math functions on those types.
+// Complex arithmetic
 // ----------------------------------------------------------------------------
 
 #ifndef __COMPLEX_H
@@ -18,11 +17,13 @@
 #define complex     _Complex
 #endif
 
-#define _Complex_I  (float _Complex){0, 1}
-#define imaginary   _Imaginary             // optional
+#define _Complex_I  ( const float _Complex ) { 0, 1 }
+
+// TODO: imaginary is only defined if implementation supports _Imaginary.
+#define imaginary   _Imaginary
 
 #ifdef imaginary
-#define _Imaginary_I ((float _Imaginary)1)
+#define _Imaginary_I ( ( const float _Imaginary ) 1 )
 #endif
 
 #ifdef imaginary