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[imagemagick] / MagickCore / accelerate.c

diff --git a/MagickCore/accelerate.c b/MagickCore/accelerate.c
index 5bbbdecabf2eec1ac973c8d706edbd75f9da074c..0ab5f102a97fcff21d17013de2c69fb518e4ad18 100644 (file)
--- a/MagickCore/accelerate.c
+++ b/MagickCore/accelerate.c
@@ -195,6 +195,13 @@ static const char
     "#endif\n"
     "}\n"
     "\n"
+    "static inline float MagickEpsilonReciprocal(const float x)\n"
+    "{\n"
+    "  float sign = x < (float) 0.0 ? (float) -1.0 : (float) 1.0;\n"
+    "  return((sign*x) >= MagickEpsilon ? (float) 1.0/x : sign*((float) 1.0/\n"
+    "    MagickEpsilon));\n"
+    "}\n"
+    "\n"
     "__kernel void Convolve(const __global CLPixelType *input,\n"
     "  __constant float *filter,const unsigned long width,const unsigned long height,\n"
     "  const unsigned int matte,__global CLPixelType *output)\n"