diff --git a/MagickCore/quantize.c b/MagickCore/quantize.c
index 2f7a307..cfc6876 100644
--- a/MagickCore/quantize.c
+++ b/MagickCore/quantize.c
@@ -194,6 +194,7 @@
#include "MagickCore/monitor-private.h"
#include "MagickCore/option.h"
#include "MagickCore/pixel-accessor.h"
+#include "MagickCore/pixel-private.h"
#include "MagickCore/quantize.h"
#include "MagickCore/quantum.h"
#include "MagickCore/quantum-private.h"
@@ -1251,7 +1252,7 @@
*/
q=image->colormap+image->colors;
alpha=(MagickRealType) ((MagickOffsetType) node_info->number_unique);
- alpha=1.0/(fabs((double) alpha) < MagickEpsilon ? MagickEpsilon : alpha);
+ alpha=ClampReciprocal(alpha);
if (cube_info->associate_alpha == MagickFalse)
{
q->red=(double) ClampToQuantum((MagickRealType)
@@ -1285,7 +1286,7 @@
gamma;
gamma=(MagickRealType) (QuantumScale*q->alpha);
- gamma=1.0/(fabs(gamma) < MagickEpsilon ? MagickEpsilon : gamma);
+ gamma=ClampReciprocal(gamma);
q->red=(double) ClampToQuantum((MagickRealType)
(alpha*gamma*QuantumRange*node_info->total_color.red));
q->green=(double) ClampToQuantum((MagickRealType)