To avoid Intel C++ Compiler #1879 warnings:

warning #1879: unimplemented pragma ignored: #pragma intrinsic(_BitScanReverse64) warning #1879: unimplemented pragma ignored: #pragma intrinsic(_umul128)

To avoid Intel C++ Compiler #1879 warnings:
warning #1879: unimplemented pragma ignored: #pragma intrinsic(_BitScanReverse64) warning #1879: unimplemented pragma ignored: #pragma intrinsic(_umul128)
294ad93e · Tomasz Noczynski (Linux) · 3202b0a3 · 294ad93e
Commit 294ad93e authored May 25, 2017 by Tomasz Noczynski (Linux)
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diyfp.h include/rapidjson/internal/diyfp.h +1 -1

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--- a/include/rapidjson/internal/diyfp.h
+++ b/include/rapidjson/internal/diyfp.h
@@ -21,7 +21,7 @@
 #include "../rapidjson.h"
-#if defined(_MSC_VER) && defined(_M_AMD64)
+#if defined(_MSC_VER) && defined(_M_AMD64) && !defined(__INTEL_COMPILER)
 #include <intrin.h>
 #pragma intrinsic(_BitScanReverse64)
 #pragma intrinsic(_umul128)