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Ticket 31687: fix for tor_isinf() as well

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tor_isinf() was new in 0.4.0, and also needs to look at the
same rules as clamp_double_to_i64()
This commit is contained in:
Nick Mathewson
2019-09-12 09:53:13 -04:00
parent 0327f9a075
commit 34bab120df
1 changed files with 3 additions and 8 deletions
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src/lib/math/fp.c
+3 -8
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@@ -127,16 +127,12 @@ int
tor_isinf(double x)
{
/* Same as above, work around the "double promotion" warnings */
#if defined(MINGW_ANY) && GCC_VERSION >= 409
#define PROBLEMATIC_FLOAT_CONVERSION_WARNING
#ifdef PROBLEMATIC_FLOAT_CONVERSION_WARNING
DISABLE_GCC_WARNING(float-conversion)
#endif /* defined(MINGW_ANY) && GCC_VERSION >= 409 */
#if defined(__clang__)
#if __has_warning("-Wdouble-promotion")
#define PROBLEMATIC_DOUBLE_PROMOTION_WARNING
#endif
#ifdef PROBLEMATIC_DOUBLE_PROMOTION_WARNING
DISABLE_GCC_WARNING(double-promotion)
#endif
#endif /* defined(__clang__) */
return isinf(x);
#ifdef PROBLEMATIC_DOUBLE_PROMOTION_WARNING
ENABLE_GCC_WARNING(double-promotion)
@@ -145,4 +141,3 @@ ENABLE_GCC_WARNING(double-promotion)
ENABLE_GCC_WARNING(float-conversion)
#endif
}