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Quelle SkFloatToDecimal.h Sprache: C |
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/* * Copyright 2017 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #ifndef SkFloatToDecimal_DEFINED #define SkFloatToDecimal_DEFINED constexpr unsigned kMaximumSkFloatToDecimalLength = 49; /** \fn SkFloatToDecimal Convert a float into a decimal string. The resulting string will be in the form `[-]?([0-9]*\.)?[0-9]+` (It does not use scientific notation.) and `sscanf(output, "%f", &x)` will return the original value if the value is finite. This function accepts all possible input values. INFINITY and -INFINITY are rounded to FLT_MAX and -FLT_MAX. NAN values are converted to 0. This function will always add a terminating '\0' to the output. @param value Any floating-point number @param output The buffer to write the string into. Must be non-null. @return strlen(output) */ unsigned SkFloatToDecimal(float value, char output[kMaximumSkFloatToDecimalLength]); #endif // SkFloatToDecimal_DEFINED
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2026-04-06