--- ray/src/common/color.h	2003/07/30 10:11:06	2.26
+++ ray/src/common/color.h	2004/03/28 20:33:12	2.28
@@ -1,4 +1,4 @@
-/* RCSid $Id: color.h,v 2.26 2003/07/30 10:11:06 schorsch Exp $ */
+/* RCSid $Id: color.h,v 2.28 2004/03/28 20:33:12 schorsch Exp $ */
 /*
  *  color.h - header for routines using pixel color values.
  *
@@ -33,7 +33,8 @@ extern "C" {
 
 typedef BYTE  COLR[4];		/* red, green, blue (or X,Y,Z), exponent */
 
-typedef float  COLOR[3];	/* red, green, blue (or X,Y,Z) */
+typedef float COLORV;
+typedef COLORV  COLOR[3];	/* red, green, blue (or X,Y,Z) */
 
 typedef float  RGBPRIMS[4][2];	/* (x,y) chromaticities for RGBW */
 typedef float  (*RGBPRIMP)[2];	/* pointer to RGBPRIMS array */
@@ -113,7 +114,7 @@ typedef float  COLORMAT[3][3];	/* color coordinate con
 #define  D65EFFICACY		203.		/* standard illuminant D65 */
 #define  INCEFFICACY		160.		/* illuminant A (incand.) */
 #define  SUNEFFICACY		208.		/* illuminant B (solar dir.) */
-#define  SKYEFFICACY		D65EFFICACY	/* skylight */
+#define  SKYEFFICACY		D65EFFICACY	/* skylight (should be 110) */
 #define  DAYEFFICACY		D65EFFICACY	/* combined sky and solar */
 
 #define  luminance(col)		(WHTEFFICACY * bright(col))