| // Copyright 2010 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 |
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| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef DOUBLE_CONVERSION_STRTOD_H_ |
| #define DOUBLE_CONVERSION_STRTOD_H_ |
| |
| #include "utils.h" |
| |
| namespace double_conversion { |
| |
| // The buffer must only contain digits in the range [0-9]. It must not |
| // contain a dot or a sign. It must not start with '0', and must not be empty. |
| double Strtod(Vector<const char> buffer, int exponent); |
| |
| // The buffer must only contain digits in the range [0-9]. It must not |
| // contain a dot or a sign. It must not start with '0', and must not be empty. |
| float Strtof(Vector<const char> buffer, int exponent); |
| |
| // Same as Strtod, but assumes that 'trimmed' is already trimmed, as if run |
| // through TrimAndCut. That is, 'trimmed' must have no leading or trailing |
| // zeros, must not be a lone zero, and must not have 'too many' digits. |
| double StrtodTrimmed(Vector<const char> trimmed, int exponent); |
| |
| // Same as Strtof, but assumes that 'trimmed' is already trimmed, as if run |
| // through TrimAndCut. That is, 'trimmed' must have no leading or trailing |
| // zeros, must not be a lone zero, and must not have 'too many' digits. |
| float StrtofTrimmed(Vector<const char> trimmed, int exponent); |
| |
| inline Vector<const char> TrimTrailingZeros(Vector<const char> buffer) { |
| for (int i = buffer.length() - 1; i >= 0; --i) { |
| if (buffer[i] != '0') { |
| return buffer.SubVector(0, i + 1); |
| } |
| } |
| return Vector<const char>(buffer.start(), 0); |
| } |
| |
| } // namespace double_conversion |
| |
| #endif // DOUBLE_CONVERSION_STRTOD_H_ |