include/double-conversion/strtod.h

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0027
0028 #ifndef DOUBLE_CONVERSION_STRTOD_H_
0029 #define DOUBLE_CONVERSION_STRTOD_H_
0030
0031 #include "utils.h"
0032
0033 namespace double_conversion {
0034
0035 // The buffer must only contain digits in the range [0-9]. It must not
0036 // contain a dot or a sign. It must not start with '0', and must not be empty.
0037 double Strtod(Vector<const char> buffer, int exponent);
0038
0039 // The buffer must only contain digits in the range [0-9]. It must not
0040 // contain a dot or a sign. It must not start with '0', and must not be empty.
0041 float Strtof(Vector<const char> buffer, int exponent);
0042
0043 // Same as Strtod, but assumes that 'trimmed' is already trimmed, as if run
0044 // through TrimAndCut. That is, 'trimmed' must have no leading or trailing
0045 // zeros, must not be a lone zero, and must not have 'too many' digits.
0046 double StrtodTrimmed(Vector<const char> trimmed, int exponent);
0047
0048 // Same as Strtof, but assumes that 'trimmed' is already trimmed, as if run
0049 // through TrimAndCut. That is, 'trimmed' must have no leading or trailing
0050 // zeros, must not be a lone zero, and must not have 'too many' digits.
0051 float StrtofTrimmed(Vector<const char> trimmed, int exponent);
0052
0053 inline Vector<const char> TrimTrailingZeros(Vector<const char> buffer) {
0054   for (int i = buffer.length() - 1; i >= 0; --i) {
0055     if (buffer[i] != '0') {
0056       return buffer.SubVector(0, i + 1);
0057     }
0058   }
0059   return Vector<const char>(buffer.start(), 0);
0060 }
0061
0062 }  // namespace double_conversion
0063
0064 #endif  // DOUBLE_CONVERSION_STRTOD_H_