Changeset 90349 in webkit for trunk/Source/JavaScriptCore/wtf/MathExtras.h

Timestamp:

Jul 3, 2011, 8:54:36 PM (14 years ago)

Author:

[email protected]

Message:

2011-07-03 Sheriff Bot <​[email protected]>

Unreviewed, rolling out r90347.
​http://trac.webkit.org/changeset/90347
​https://bugs.webkit.org/show_bug.cgi?id=63886

Build breaks on Leopard, Chromium-win, WinCairo, and WinCE.
(Requested by tkent on #webkit).

• fast/js/number-toString-expected.txt:

2011-07-03 Sheriff Bot <​[email protected]>

Unreviewed, rolling out r90347.
​http://trac.webkit.org/changeset/90347
​https://bugs.webkit.org/show_bug.cgi?id=63886

Build breaks on Leopard, Chromium-win, WinCairo, and WinCE.
(Requested by tkent on #webkit).

• JavaScriptCore.xcodeproj/project.pbxproj:
• runtime/BigInteger.h: Removed.
• runtime/NumberPrototype.cpp: (JSC::numberProtoFuncToPrecision): (JSC::numberProtoFuncToString):
• runtime/Uint16WithFraction.h: Removed.
• wtf/MathExtras.h:

2011-07-03 Sheriff Bot <​[email protected]>

Unreviewed, rolling out r90347.
​http://trac.webkit.org/changeset/90347
​https://bugs.webkit.org/show_bug.cgi?id=63886

Build breaks on Leopard, Chromium-win, WinCairo, and WinCE.
(Requested by tkent on #webkit).

• DumpRenderTree/ForwardingHeaders/wtf/StdLibExtras.h: Removed.

File:

• trunk/Source/JavaScriptCore/wtf/MathExtras.h (modified) (2 diffs)

trunk/Source/JavaScriptCore/wtf/MathExtras.h

@@ -32 +32 @@
 #include <limits>
 #include <stdlib.h>
-#include <wtf/StdLibExtras.h>
 
 #if OS(SOLARIS)
@@ -261 +260 @@
 #endif
 
-// decompose 'number' to its sign, exponent, and mantissa components.
-// The result is interpreted as:
-//     (sign ? -1 : 1) * pow(2, exponent) * (mantissa / (1 << 52))
-inline void decomposeDouble(double number, bool& sign, int32_t& exponent, uint64_t& mantissa)
-{
-    ASSERT(isfinite(number));
-
-    sign = signbit(number);
-
-    uint64_t bits = WTF::bitwise_cast<uint64_t>(number);
-    exponent = (static_cast<int32_t>(bits >> 52) & 0x7ff) - 0x3ff;
-    mantissa = bits & 0xFFFFFFFFFFFFFull;
-
-    // Check for zero/denormal values; if so, adjust the exponent,
-    // if not insert the implicit, omitted leading 1 bit.
-    if (exponent == -0x3ff)
-        exponent = mantissa ? -0x3fe : 0;
-    else
-        mantissa |= 0x10000000000000ull;
-}
-
 #endif // #ifndef WTF_MathExtras_h