src/lib/memgfx.c 1.51

Index: src/lib/memgfx.c
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/lib/memgfx.c,v
retrieving revision 1.50
retrieving revision 1.51
diff -b -B -U 4 -r1.50 -r1.51
--- src/lib/memgfx.c	20 Jun 2009 16:08:01 -0000	1.50
+++ src/lib/memgfx.c	20 Jun 2009 17:25:10 -0000	1.51
@@ -10,9 +10,8 @@
 #include "localmem.h"
 #include "vGfx.h"
 #include "vGfxPrivate.h"
 #include "colHash.h"
-#include "math.h"
 
 static char const rcsid[] = "$Id$";
 
 #ifndef min3
@@ -843,9 +842,9 @@
 
 if( hsv.s == 0 ) // achromatic (grey)
     return (struct rgbColor) {(255*hsv.v+500)/1000, (255*hsv.v+500)/1000, (255*hsv.v+500)/1000};
 hsv.h /= 60.0; 
-i = (int)floor( hsv.h );             // sector 0 to 5
+i = (int) hsv.h;                     // floor the floating point value, sector 0 to 5
 f = hsv.h - i;                       // fractional part (distance) from hue 
 // hsv.v is highest r,g, or b value
 // low value is related to saturation
 low = hsv.v - (hsv.v * hsv.s / 1000); // lowest r,g, or b value