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Patch for bug #53 on version 0.5.0

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This is a patch that we have utilized at IDEXX Labs for the the bug described above.
We have tested and verified this on x86 32 and 64 bit linux and 32 bit arm.
This commit is contained in:
David West 2014-07-31 13:18:02 -04:00 committed by Christopher Dunn
parent 1ac2295c21
commit bc5dbc6d41
1 changed files with 24 additions and 1 deletions
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25
src/lib_json/json_writer.cpp
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@ -13,6 +13,7 @@
#include <string.h>
#include <sstream>
#include <iomanip>
#include <math.h>
#if defined(_MSC_VER) && _MSC_VER >= 1400 // VC++ 8.0
// Disable warning about strdup being deprecated.
@ -79,7 +80,29 @@ std::string valueToString(double value) {
sprintf_s(buffer, sizeof(buffer), "%.16g", value);
#endif
#else
snprintf(buffer, sizeof(buffer), "%.16g", value);
if ( isfinite( value ))
{
snprintf(buffer, sizeof(buffer), "%.16g", value);
}
else
{
// IEEE standard states that NaN values will not compare to themselves
if ( value != value)
{
snprintf(buffer, sizeof(buffer), "null");
}
else if ( value < 0)
{
snprintf(buffer, sizeof(buffer), "-1e+9999");
}
else
{
snprintf(buffer, sizeof(buffer), "1e+9999");
}
// nothing more to do, return.
return buffer;
}
#endif
fixNumericLocale(buffer, buffer + strlen(buffer));
return buffer;