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27
28 #ifndef DOUBLE_CONVERSION_STRTOD_H_
29 #define DOUBLE_CONVERSION_STRTOD_H_
30
31 #include "utils.h"
32
33 namespace double_conversion {
34
35 // The buffer must only contain digits in the range [0-9]. It must not
36 // contain a dot or a sign. It must not start with '0', and must not be empty.
37 double Strtod(Vector<const char> buffer, int exponent);
38
39 // The buffer must only contain digits in the range [0-9]. It must not
40 // contain a dot or a sign. It must not start with '0', and must not be empty.
41 float Strtof(Vector<const char> buffer, int exponent);
42
43 // Same as Strtod, but assumes that 'trimmed' is already trimmed, as if run
44 // through TrimAndCut. That is, 'trimmed' must have no leading or trailing
45 // zeros, must not be a lone zero, and must not have 'too many' digits.
46 double StrtodTrimmed(Vector<const char> trimmed, int exponent);
47
48 // Same as Strtof, but assumes that 'trimmed' is already trimmed, as if run
49 // through TrimAndCut. That is, 'trimmed' must have no leading or trailing
50 // zeros, must not be a lone zero, and must not have 'too many' digits.
51 float StrtofTrimmed(Vector<const char> trimmed, int exponent);
52
TrimTrailingZeros(Vector<const char> buffer)53 inline Vector<const char> TrimTrailingZeros(Vector<const char> buffer) {
54 for (int i = buffer.length() - 1; i >= 0; --i) {
55 if (buffer[i] != '0') {
56 return buffer.SubVector(0, i + 1);
57 }
58 }
59 return Vector<const char>(buffer.start(), 0);
60 }
61
62 } // namespace double_conversion
63
64 #endif // DOUBLE_CONVERSION_STRTOD_H_
65