https://github.com/ImageMagick/ImageMagick/issues/493

diff --git a/MagickCore/magick-type.h b/MagickCore/magick-type.h
index 4d294ce5a0a896aca86c4b597746ee09a36171dc..b19d65af85132fa7e15b8c2decf45c6f7e922a8d 100644 (file)
--- a/MagickCore/magick-type.h
+++ b/MagickCore/magick-type.h
@@ -91,7 +91,7 @@ typedef unsigned short Quantum;
 typedef MagickDouble_t MagickRealType;
 
 #if defined(MAGICKCORE_HDRI_SUPPORT)
-typedef double Quantum;
+typedef MagickDouble_t Quantum;
 #define QuantumRange  4294967295.0
 #define QuantumFormat  "%g"
 #else
@@ -104,8 +104,8 @@ typedef unsigned int Quantum;
 #define MaxColormapSize  65536UL
 #define MaxMap  65535UL
 
-typedef long double MagickRealType;
-typedef long double Quantum;
+typedef MagickDouble_t MagickRealType;
+typedef MagickDouble_t Quantum;
 #define QuantumRange  18446744073709551615.0
 #define QuantumFormat  "%g"
 #else