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-rw-r--r--Source/JavaScriptCore/wtf/MathExtras.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/Source/JavaScriptCore/wtf/MathExtras.h b/Source/JavaScriptCore/wtf/MathExtras.h
index ec27f5f..fac187c 100644
--- a/Source/JavaScriptCore/wtf/MathExtras.h
+++ b/Source/JavaScriptCore/wtf/MathExtras.h
@@ -90,7 +90,7 @@ inline bool isfinite(double x) { return finite(x) && !isnand(x); }
inline bool isinf(double x) { return !finite(x) && !isnand(x); }
#endif
#ifndef signbit
-inline bool signbit(double x) { return x < 0.0; } // FIXME: Wrong for negative 0.
+inline bool signbit(double x) { return copysign(1.0, x) < 0; }
#endif
#endif
@@ -106,7 +106,7 @@ inline bool signbit(double x) { struct ieee_double *p = (struct ieee_double *)&x
#endif
-#if COMPILER(MSVC) || COMPILER(RVCT)
+#if COMPILER(MSVC) || (COMPILER(RVCT) && !(RVCT_VERSION_AT_LEAST(3, 0, 0, 0)))
// We must not do 'num + 0.5' or 'num - 0.5' because they can cause precision loss.
static double round(double num)
@@ -233,7 +233,12 @@ inline int clampToPositiveInteger(float d)
return static_cast<int>(std::max<float>(std::min(d, maxIntAsFloat), 0));
}
-#if !COMPILER(MSVC) && !COMPILER(WINSCW) && !(COMPILER(RVCT) && (OS(SYMBIAN) || PLATFORM(BREWMP)))
+inline int clampToInteger(unsigned value)
+{
+ return static_cast<int>(std::min(value, static_cast<unsigned>(std::numeric_limits<int>::max())));
+}
+
+#if !COMPILER(MSVC) && !(COMPILER(RVCT) && PLATFORM(BREWMP)) && !OS(SOLARIS) && !OS(SYMBIAN)
using std::isfinite;
using std::isinf;
using std::isnan;