// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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// 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.
//
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// A locale-independent version of strtod(), used to parse floating
// point default values in .proto files, where the decimal separator
// is always a dot.

#ifndef GOOGLE_PROTOBUF_IO_STRTOD_H__
#define GOOGLE_PROTOBUF_IO_STRTOD_H__

#include <string>

// Must be included last.
#include "google/protobuf/port_def.inc"

namespace google {
namespace protobuf {
namespace io {

// ----------------------------------------------------------------------
// SimpleDtoa()
// SimpleFtoa()
//    Description: converts a double or float to a string which, if
//    passed to NoLocaleStrtod(), will produce the exact same original double
//    (except in case of NaN; all NaNs are considered the same value).
//    We try to keep the string short but it's not guaranteed to be as
//    short as possible.
//
//    Return value: string
// ----------------------------------------------------------------------
PROTOBUF_EXPORT std::string SimpleDtoa(double value);
PROTOBUF_EXPORT std::string SimpleFtoa(float value);

// A locale-independent version of the standard strtod(), which always
// uses a dot as the decimal separator.
PROTOBUF_EXPORT double NoLocaleStrtod(const char* str, char** endptr);

// Casts a double value to a float value. If the value is outside of the
// representable range of float, it will be converted to positive or negative
// infinity.
PROTOBUF_EXPORT float SafeDoubleToFloat(double value);

}  // namespace io
}  // namespace protobuf
}  // namespace google

#include "google/protobuf/port_undef.inc"

#endif  // GOOGLE_PROTOBUF_IO_STRTOD_H__