Merge pull request #124 from davidmy/emscripten_double

Added Emscripten (WASM) 64bit double format

Author: ColinH

include/tao/json/external/double.hpp

@@ -62,7 +62,8 @@
    defined(__sparc__) || defined(__sparc) || defined(__s390__) ||       \
    defined(__SH4__) || defined(__alpha__) ||                            \
    defined(_MIPS_ARCH_MIPS32R2) ||                                      \
-   defined(__AARCH64EL__) || defined(__aarch64__)
+   defined(__AARCH64EL__) || defined(__aarch64__) ||                    \
+   defined(__EMSCRIPTEN__)
 #define TAO_JSON_DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
 #elif defined(__mc68000__)
 #undef TAO_JSON_DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS