246 static MagickBooleanType Classify(Image *image,short **extrema,  in Classify()  argument
297   while (DefineRegion(extrema[Red],&red) != 0)  in Classify()
300     while (DefineRegion(extrema[Green],&green) != 0)  in Classify()
303       while (DefineRegion(extrema[Blue],&blue) != 0)  in Classify()
816 static ssize_t DefineRegion(const short *extrema,ExtentPacket *extents)  in DefineRegion()  argument
828     if (extrema[extents->index] > 0)  in DefineRegion()
837     if (extrema[extents->index] < 0)  in DefineRegion()
960     *extrema[MaxDimension];  in GetImageDynamicThreshold()  local
978     extrema[i]=(short *) AcquireQuantumMemory(256UL,sizeof(**histogram));  in GetImageDynamicThreshold()
979     if ((histogram[i] == (ssize_t *) NULL) || (extrema[i] == (short *) NULL))  in GetImageDynamicThreshold()
983           extrema[i]=(short *) RelinquishMagickMemory(extrema[i]);  in GetImageDynamicThreshold()
996     (smooth_threshold == 0.0f ? 1.0f : smooth_threshold),extrema[Red]);  in GetImageDynamicThreshold()
998     (smooth_threshold == 0.0f ? 1.0f : smooth_threshold),extrema[Green]);  in GetImageDynamicThreshold()
1000     (smooth_threshold == 0.0f ? 1.0f : smooth_threshold),extrema[Blue]);  in GetImageDynamicThreshold()
1009   while (DefineRegion(extrema[Red],&red) != 0)  in GetImageDynamicThreshold()
1012     while (DefineRegion(extrema[Green],&green) != 0)  in GetImageDynamicThreshold()
1015       while (DefineRegion(extrema[Blue],&blue) != 0)  in GetImageDynamicThreshold()
1189     extrema[i]=(short *) RelinquishMagickMemory(extrema[i]);  in GetImageDynamicThreshold()
1492   short *extrema)  in OptimalTau()  argument
1612     extrema[i]=0;  in OptimalTau()
1652         extrema[x]=(short) index;  in OptimalTau()
1654         extrema[x]=(short) (-index);  in OptimalTau()
1792     *extrema[MaxDimension];  in SegmentImage()  local
1807     extrema[i]=(short *) AcquireQuantumMemory(256,sizeof(**extrema));  in SegmentImage()
1808     if ((histogram[i] == (ssize_t *) NULL) || (extrema[i] == (short *) NULL))  in SegmentImage()
1812           extrema[i]=(short *) RelinquishMagickMemory(extrema[i]);  in SegmentImage()
1826     smooth_threshold == 0.0 ? 1.0 : smooth_threshold,extrema[Red]);  in SegmentImage()
1828     smooth_threshold == 0.0 ? 1.0 : smooth_threshold,extrema[Green]);  in SegmentImage()
1830     smooth_threshold == 0.0 ? 1.0 : smooth_threshold,extrema[Blue]);  in SegmentImage()
1834   status=Classify(image,extrema,cluster_threshold,WeightingExponent,verbose,  in SegmentImage()
1842     extrema[i]=(short *) RelinquishMagickMemory(extrema[i]);  in SegmentImage()