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The internal Lua CJSON dtoa/strtod routines have locale support
disabled. This avoids problems under locales with comma decimal
separators.
Build changes:
- CMake: Check for big endian architectures
- Makefile: Provide option to build with dtoa.c
Modifications to dtoa.c:
- Include locale dtoa_config.h configuration
- Rename Infinity/NaN to inf/nan to match common C libraries
- Rename strtod() -> internal_strtod() to prevent conflict with libc
function
Modifications to g_fmt.c:
- Return output string length (instead of original buffer pointer)
- Provide precision as an argument to g_fmt()
- Silence compilations warnings from vendor source
- while(a = b)
- Unused label "done:"
- Only swap to scientific notation when once the number of decimal
digits required exceeds the precision available. This matches
standard printf format %g.
- Display a "0" in front of numbers < 1.
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