233   if ((sign*x) >= MagickEpsilon)  in PerceptibleReciprocal()
235   return(sign/MagickEpsilon);  in PerceptibleReciprocal()
492   if (AbsolutePixelValue(alpha-beta) >= MagickEpsilon)  in IsPixelEquivalent()
494   if ((AbsolutePixelValue(alpha-TransparentAlpha) < MagickEpsilon) ||  in IsPixelEquivalent()
495       (AbsolutePixelValue(beta-TransparentAlpha) < MagickEpsilon))  in IsPixelEquivalent()
498   if (AbsolutePixelValue(color-q->red) >= MagickEpsilon)  in IsPixelEquivalent()
501   if (AbsolutePixelValue(color-q->green) >= MagickEpsilon)  in IsPixelEquivalent()
504   if (AbsolutePixelValue(color-q->blue) >= MagickEpsilon)  in IsPixelEquivalent()
509       if (AbsolutePixelValue(color-q->black) >= MagickEpsilon)  in IsPixelEquivalent()
527   if ((AbsolutePixelValue(red_green) < MagickEpsilon) &&  in IsPixelGray()
528       (AbsolutePixelValue(green_blue) < MagickEpsilon))  in IsPixelGray()
544   if (AbsolutePixelValue(alpha-beta) >= MagickEpsilon)  in IsPixelInfoEquivalent()
546   if ((AbsolutePixelValue(alpha-TransparentAlpha) < MagickEpsilon) ||  in IsPixelInfoEquivalent()
547       (AbsolutePixelValue(beta-TransparentAlpha) < MagickEpsilon))  in IsPixelInfoEquivalent()
549   if (AbsolutePixelValue(p->red-q->red) >= MagickEpsilon)  in IsPixelInfoEquivalent()
551   if (AbsolutePixelValue(p->green-q->green) >= MagickEpsilon)  in IsPixelInfoEquivalent()
553   if (AbsolutePixelValue(p->blue-q->blue) >= MagickEpsilon)  in IsPixelInfoEquivalent()
557       if (AbsolutePixelValue(p->black-q->black) >= MagickEpsilon)  in IsPixelInfoEquivalent()
572   if ((AbsolutePixelValue(red) >= MagickEpsilon) &&  in IsPixelMonochrome()
573       (AbsolutePixelValue(red-QuantumRange) >= MagickEpsilon))  in IsPixelMonochrome()
580   if ((AbsolutePixelValue(red_green) < MagickEpsilon) &&  in IsPixelMonochrome()
581       (AbsolutePixelValue(green_blue) < MagickEpsilon))  in IsPixelMonochrome()
589   if ((AbsolutePixelValue(pixel->red-pixel->green) < MagickEpsilon) &&  in IsPixelInfoGray()
590       (AbsolutePixelValue(pixel->green-pixel->blue) < MagickEpsilon))  in IsPixelInfoGray()
602   if ((AbsolutePixelValue(pixel_info->red) >= MagickEpsilon) ||  in IsPixelInfoMonochrome()
603       (AbsolutePixelValue(pixel_info->red-QuantumRange) >= MagickEpsilon))  in IsPixelInfoMonochrome()
607   if ((AbsolutePixelValue(red_green) < MagickEpsilon) &&  in IsPixelInfoMonochrome()
608       (AbsolutePixelValue(green_blue) < MagickEpsilon))  in IsPixelInfoMonochrome()