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Diffstat (limited to 'src/3rdparty/v8/src/dtoa.h')
| -rw-r--r-- | src/3rdparty/v8/src/dtoa.h | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/src/3rdparty/v8/src/dtoa.h b/src/3rdparty/v8/src/dtoa.h deleted file mode 100644 index 948a079..0000000 --- a/src/3rdparty/v8/src/dtoa.h +++ /dev/null @@ -1,85 +0,0 @@ -// Copyright 2011 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#ifndef V8_DTOA_H_ -#define V8_DTOA_H_ - -namespace v8 { -namespace internal { - -enum DtoaMode { - // Return the shortest correct representation. - // For example the output of 0.299999999999999988897 is (the less accurate but - // correct) 0.3. - DTOA_SHORTEST, - // Return a fixed number of digits after the decimal point. - // For instance fixed(0.1, 4) becomes 0.1000 - // If the input number is big, the output will be big. - DTOA_FIXED, - // Return a fixed number of digits, no matter what the exponent is. - DTOA_PRECISION -}; - -// The maximal length of digits a double can have in base 10. -// Note that DoubleToAscii null-terminates its input. So the given buffer should -// be at least kBase10MaximalLength + 1 characters long. -const int kBase10MaximalLength = 17; - -// Converts the given double 'v' to ASCII. -// The result should be interpreted as buffer * 10^(point-length). -// -// The output depends on the given mode: -// - SHORTEST: produce the least amount of digits for which the internal -// identity requirement is still satisfied. If the digits are printed -// (together with the correct exponent) then reading this number will give -// 'v' again. The buffer will choose the representation that is closest to -// 'v'. If there are two at the same distance, than the one farther away -// from 0 is chosen (halfway cases - ending with 5 - are rounded up). -// In this mode the 'requested_digits' parameter is ignored. -// - FIXED: produces digits necessary to print a given number with -// 'requested_digits' digits after the decimal point. The produced digits -// might be too short in which case the caller has to fill the gaps with '0's. -// Example: toFixed(0.001, 5) is allowed to return buffer="1", point=-2. -// Halfway cases are rounded towards +/-Infinity (away from 0). The call -// toFixed(0.15, 2) thus returns buffer="2", point=0. -// The returned buffer may contain digits that would be truncated from the -// shortest representation of the input. -// - PRECISION: produces 'requested_digits' where the first digit is not '0'. -// Even though the length of produced digits usually equals -// 'requested_digits', the function is allowed to return fewer digits, in -// which case the caller has to fill the missing digits with '0's. -// Halfway cases are again rounded away from 0. -// 'DoubleToAscii' expects the given buffer to be big enough to hold all digits -// and a terminating null-character. In SHORTEST-mode it expects a buffer of -// at least kBase10MaximalLength + 1. Otherwise, the size of the output is -// limited to requested_digits digits plus the null terminator. -void DoubleToAscii(double v, DtoaMode mode, int requested_digits, - Vector<char> buffer, int* sign, int* length, int* point); - -} } // namespace v8::internal - -#endif // V8_DTOA_H_ |