Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 2 of 2.

1 files changed, 534 insertions, 534 deletions

diff --git a/contrib/libs/double-conversion/double-conversion.h b/contrib/libs/double-conversion/double-conversion.h
index 0b4cce51b2..6dbc0997c6 100644
--- a/contrib/libs/double-conversion/double-conversion.h
+++ b/contrib/libs/double-conversion/double-conversion.h
@@ -1,435 +1,435 @@
-// Copyright 2012 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 
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- 
-#ifndef DOUBLE_CONVERSION_DOUBLE_CONVERSION_H_ 
-#define DOUBLE_CONVERSION_DOUBLE_CONVERSION_H_ 
- 
-#include "utils.h" 
- 
-namespace double_conversion { 
- 
-class DoubleToStringConverter { 
- public: 
-  // When calling ToFixed with a double > 10^kMaxFixedDigitsBeforePoint 
-  // or a requested_digits parameter > kMaxFixedDigitsAfterPoint then the 
-  // function returns false. 
-  static const int kMaxFixedDigitsBeforePoint = 60; 
-  static const int kMaxFixedDigitsAfterPoint = 60; 
- 
-  // When calling ToExponential with a requested_digits 
-  // parameter > kMaxExponentialDigits then the function returns false. 
-  static const int kMaxExponentialDigits = 120; 
- 
-  // When calling ToPrecision with a requested_digits 
-  // parameter < kMinPrecisionDigits or requested_digits > kMaxPrecisionDigits 
-  // then the function returns false. 
-  static const int kMinPrecisionDigits = 1; 
-  static const int kMaxPrecisionDigits = 120; 
- 
-  enum Flags { 
-    NO_FLAGS = 0, 
-    EMIT_POSITIVE_EXPONENT_SIGN = 1, 
-    EMIT_TRAILING_DECIMAL_POINT = 2, 
-    EMIT_TRAILING_ZERO_AFTER_POINT = 4, 
-    UNIQUE_ZERO = 8 
-  }; 
- 
-  // Flags should be a bit-or combination of the possible Flags-enum. 
-  //  - NO_FLAGS: no special flags. 
-  //  - EMIT_POSITIVE_EXPONENT_SIGN: when the number is converted into exponent 
-  //    form, emits a '+' for positive exponents. Example: 1.2e+2. 
-  //  - EMIT_TRAILING_DECIMAL_POINT: when the input number is an integer and is 
-  //    converted into decimal format then a trailing decimal point is appended. 
-  //    Example: 2345.0 is converted to "2345.". 
-  //  - EMIT_TRAILING_ZERO_AFTER_POINT: in addition to a trailing decimal point 
-  //    emits a trailing '0'-character. This flag requires the 
-  //    EXMIT_TRAILING_DECIMAL_POINT flag. 
-  //    Example: 2345.0 is converted to "2345.0". 
-  //  - UNIQUE_ZERO: "-0.0" is converted to "0.0". 
-  // 
-  // Infinity symbol and nan_symbol provide the string representation for these 
-  // special values. If the string is NULL and the special value is encountered 
-  // then the conversion functions return false. 
-  // 
-  // The exponent_character is used in exponential representations. It is 
-  // usually 'e' or 'E'. 
-  // 
-  // When converting to the shortest representation the converter will 
-  // represent input numbers in decimal format if they are in the interval 
-  // [10^decimal_in_shortest_low; 10^decimal_in_shortest_high[ 
-  //    (lower boundary included, greater boundary excluded). 
-  // Example: with decimal_in_shortest_low = -6 and 
-  //               decimal_in_shortest_high = 21: 
-  //   ToShortest(0.000001)  -> "0.000001" 
-  //   ToShortest(0.0000001) -> "1e-7" 
-  //   ToShortest(111111111111111111111.0)  -> "111111111111111110000" 
-  //   ToShortest(100000000000000000000.0)  -> "100000000000000000000" 
-  //   ToShortest(1111111111111111111111.0) -> "1.1111111111111111e+21" 
-  // 
-  // When converting to precision mode the converter may add 
-  // max_leading_padding_zeroes before returning the number in exponential 
-  // format. 
-  // Example with max_leading_padding_zeroes_in_precision_mode = 6. 
-  //   ToPrecision(0.0000012345, 2) -> "0.0000012" 
-  //   ToPrecision(0.00000012345, 2) -> "1.2e-7" 
-  // Similarily the converter may add up to 
-  // max_trailing_padding_zeroes_in_precision_mode in precision mode to avoid 
-  // returning an exponential representation. A zero added by the 
-  // EMIT_TRAILING_ZERO_AFTER_POINT flag is counted for this limit. 
-  // Examples for max_trailing_padding_zeroes_in_precision_mode = 1: 
-  //   ToPrecision(230.0, 2) -> "230" 
-  //   ToPrecision(230.0, 2) -> "230."  with EMIT_TRAILING_DECIMAL_POINT. 
-  //   ToPrecision(230.0, 2) -> "2.3e2" with EMIT_TRAILING_ZERO_AFTER_POINT. 
-  DoubleToStringConverter(int flags, 
-                          const char* infinity_symbol, 
-                          const char* nan_symbol, 
-                          char exponent_character, 
-                          int decimal_in_shortest_low, 
-                          int decimal_in_shortest_high, 
-                          int max_leading_padding_zeroes_in_precision_mode, 
-                          int max_trailing_padding_zeroes_in_precision_mode) 
-      : flags_(flags), 
-        infinity_symbol_(infinity_symbol), 
-        nan_symbol_(nan_symbol), 
-        exponent_character_(exponent_character), 
-        decimal_in_shortest_low_(decimal_in_shortest_low), 
-        decimal_in_shortest_high_(decimal_in_shortest_high), 
-        max_leading_padding_zeroes_in_precision_mode_( 
-            max_leading_padding_zeroes_in_precision_mode), 
-        max_trailing_padding_zeroes_in_precision_mode_( 
-            max_trailing_padding_zeroes_in_precision_mode) { 
-    // When 'trailing zero after the point' is set, then 'trailing point' 
-    // must be set too. 
-    ASSERT(((flags & EMIT_TRAILING_DECIMAL_POINT) != 0) || 
-        !((flags & EMIT_TRAILING_ZERO_AFTER_POINT) != 0)); 
-  } 
- 
-  // Returns a converter following the EcmaScript specification. 
-  static const DoubleToStringConverter& EcmaScriptConverter(); 
- 
-  // Computes the shortest string of digits that correctly represent the input 
-  // number. Depending on decimal_in_shortest_low and decimal_in_shortest_high 
-  // (see constructor) it then either returns a decimal representation, or an 
-  // exponential representation. 
-  // Example with decimal_in_shortest_low = -6, 
-  //              decimal_in_shortest_high = 21, 
-  //              EMIT_POSITIVE_EXPONENT_SIGN activated, and 
-  //              EMIT_TRAILING_DECIMAL_POINT deactived: 
-  //   ToShortest(0.000001)  -> "0.000001" 
-  //   ToShortest(0.0000001) -> "1e-7" 
-  //   ToShortest(111111111111111111111.0)  -> "111111111111111110000" 
-  //   ToShortest(100000000000000000000.0)  -> "100000000000000000000" 
-  //   ToShortest(1111111111111111111111.0) -> "1.1111111111111111e+21" 
-  // 
-  // Note: the conversion may round the output if the returned string 
-  // is accurate enough to uniquely identify the input-number. 
-  // For example the most precise representation of the double 9e59 equals 
-  // "899999999999999918767229449717619953810131273674690656206848", but 
-  // the converter will return the shorter (but still correct) "9e59". 
-  // 
-  // Returns true if the conversion succeeds. The conversion always succeeds 
-  // except when the input value is special and no infinity_symbol or 
-  // nan_symbol has been given to the constructor. 
-  bool ToShortest(double value, StringBuilder* result_builder) const { 
-    return ToShortestIeeeNumber(value, result_builder, SHORTEST); 
-  } 
- 
-  // Same as ToShortest, but for single-precision floats. 
-  bool ToShortestSingle(float value, StringBuilder* result_builder) const { 
-    return ToShortestIeeeNumber(value, result_builder, SHORTEST_SINGLE); 
-  } 
- 
- 
-  // Computes a decimal representation with a fixed number of digits after the 
-  // decimal point. The last emitted digit is rounded. 
-  // 
-  // Examples: 
-  //   ToFixed(3.12, 1) -> "3.1" 
-  //   ToFixed(3.1415, 3) -> "3.142" 
-  //   ToFixed(1234.56789, 4) -> "1234.5679" 
-  //   ToFixed(1.23, 5) -> "1.23000" 
-  //   ToFixed(0.1, 4) -> "0.1000" 
-  //   ToFixed(1e30, 2) -> "1000000000000000019884624838656.00" 
-  //   ToFixed(0.1, 30) -> "0.100000000000000005551115123126" 
-  //   ToFixed(0.1, 17) -> "0.10000000000000001" 
-  // 
-  // If requested_digits equals 0, then the tail of the result depends on 
-  // the EMIT_TRAILING_DECIMAL_POINT and EMIT_TRAILING_ZERO_AFTER_POINT. 
-  // Examples, for requested_digits == 0, 
-  //   let EMIT_TRAILING_DECIMAL_POINT and EMIT_TRAILING_ZERO_AFTER_POINT be 
-  //    - false and false: then 123.45 -> 123 
-  //                             0.678 -> 1 
-  //    - true and false: then 123.45 -> 123. 
-  //                            0.678 -> 1. 
-  //    - true and true: then 123.45 -> 123.0 
-  //                           0.678 -> 1.0 
-  // 
-  // Returns true if the conversion succeeds. The conversion always succeeds 
-  // except for the following cases: 
-  //   - the input value is special and no infinity_symbol or nan_symbol has 
-  //     been provided to the constructor, 
-  //   - 'value' > 10^kMaxFixedDigitsBeforePoint, or 
-  //   - 'requested_digits' > kMaxFixedDigitsAfterPoint. 
-  // The last two conditions imply that the result will never contain more than 
-  // 1 + kMaxFixedDigitsBeforePoint + 1 + kMaxFixedDigitsAfterPoint characters 
-  // (one additional character for the sign, and one for the decimal point). 
-  bool ToFixed(double value, 
-               int requested_digits, 
-               StringBuilder* result_builder) const; 
- 
-  // Computes a representation in exponential format with requested_digits 
-  // after the decimal point. The last emitted digit is rounded. 
-  // If requested_digits equals -1, then the shortest exponential representation 
-  // is computed. 
-  // 
-  // Examples with EMIT_POSITIVE_EXPONENT_SIGN deactivated, and 
-  //               exponent_character set to 'e'. 
-  //   ToExponential(3.12, 1) -> "3.1e0" 
-  //   ToExponential(5.0, 3) -> "5.000e0" 
-  //   ToExponential(0.001, 2) -> "1.00e-3" 
-  //   ToExponential(3.1415, -1) -> "3.1415e0" 
-  //   ToExponential(3.1415, 4) -> "3.1415e0" 
-  //   ToExponential(3.1415, 3) -> "3.142e0" 
-  //   ToExponential(123456789000000, 3) -> "1.235e14" 
-  //   ToExponential(1000000000000000019884624838656.0, -1) -> "1e30" 
-  //   ToExponential(1000000000000000019884624838656.0, 32) -> 
-  //                     "1.00000000000000001988462483865600e30" 
-  //   ToExponential(1234, 0) -> "1e3" 
-  // 
-  // Returns true if the conversion succeeds. The conversion always succeeds 
-  // except for the following cases: 
-  //   - the input value is special and no infinity_symbol or nan_symbol has 
-  //     been provided to the constructor, 
-  //   - 'requested_digits' > kMaxExponentialDigits. 
-  // The last condition implies that the result will never contain more than 
-  // kMaxExponentialDigits + 8 characters (the sign, the digit before the 
-  // decimal point, the decimal point, the exponent character, the 
-  // exponent's sign, and at most 3 exponent digits). 
-  bool ToExponential(double value, 
-                     int requested_digits, 
-                     StringBuilder* result_builder) const; 
- 
-  // Computes 'precision' leading digits of the given 'value' and returns them 
-  // either in exponential or decimal format, depending on 
-  // max_{leading|trailing}_padding_zeroes_in_precision_mode (given to the 
-  // constructor). 
-  // The last computed digit is rounded. 
-  // 
-  // Example with max_leading_padding_zeroes_in_precision_mode = 6. 
-  //   ToPrecision(0.0000012345, 2) -> "0.0000012" 
-  //   ToPrecision(0.00000012345, 2) -> "1.2e-7" 
-  // Similarily the converter may add up to 
-  // max_trailing_padding_zeroes_in_precision_mode in precision mode to avoid 
-  // returning an exponential representation. A zero added by the 
-  // EMIT_TRAILING_ZERO_AFTER_POINT flag is counted for this limit. 
-  // Examples for max_trailing_padding_zeroes_in_precision_mode = 1: 
-  //   ToPrecision(230.0, 2) -> "230" 
-  //   ToPrecision(230.0, 2) -> "230."  with EMIT_TRAILING_DECIMAL_POINT. 
-  //   ToPrecision(230.0, 2) -> "2.3e2" with EMIT_TRAILING_ZERO_AFTER_POINT. 
-  // Examples for max_trailing_padding_zeroes_in_precision_mode = 3, and no 
-  //    EMIT_TRAILING_ZERO_AFTER_POINT: 
-  //   ToPrecision(123450.0, 6) -> "123450" 
-  //   ToPrecision(123450.0, 5) -> "123450" 
-  //   ToPrecision(123450.0, 4) -> "123500" 
-  //   ToPrecision(123450.0, 3) -> "123000" 
-  //   ToPrecision(123450.0, 2) -> "1.2e5" 
-  // 
-  // Returns true if the conversion succeeds. The conversion always succeeds 
-  // except for the following cases: 
-  //   - the input value is special and no infinity_symbol or nan_symbol has 
-  //     been provided to the constructor, 
-  //   - precision < kMinPericisionDigits 
-  //   - precision > kMaxPrecisionDigits 
-  // The last condition implies that the result will never contain more than 
-  // kMaxPrecisionDigits + 7 characters (the sign, the decimal point, the 
-  // exponent character, the exponent's sign, and at most 3 exponent digits). 
-  bool ToPrecision(double value, 
-                   int precision, 
-                   StringBuilder* result_builder) const; 
- 
-  enum DtoaMode { 
-    // Produce the shortest correct representation. 
-    // For example the output of 0.299999999999999988897 is (the less accurate 
-    // but correct) 0.3. 
-    SHORTEST, 
-    // Same as SHORTEST, but for single-precision floats. 
-    SHORTEST_SINGLE, 
-    // Produce a fixed number of digits after the decimal point. 
-    // For instance fixed(0.1, 4) becomes 0.1000 
-    // If the input number is big, the output will be big. 
-    FIXED, 
-    // Fixed number of digits (independent of the decimal point). 
-    PRECISION 
-  }; 
- 
-  // The maximal number of digits that are needed to emit a double in base 10. 
-  // A higher precision can be achieved by using more digits, but the shortest 
-  // accurate representation of any double will never use more digits than 
-  // kBase10MaximalLength. 
-  // Note that DoubleToAscii null-terminates its input. So the given buffer 
-  // should be at least kBase10MaximalLength + 1 characters long. 
-  static const int kBase10MaximalLength = 17; 
- 
+// Copyright 2012 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
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef DOUBLE_CONVERSION_DOUBLE_CONVERSION_H_
+#define DOUBLE_CONVERSION_DOUBLE_CONVERSION_H_
+
+#include "utils.h"
+
+namespace double_conversion {
+
+class DoubleToStringConverter {
+ public:
+  // When calling ToFixed with a double > 10^kMaxFixedDigitsBeforePoint
+  // or a requested_digits parameter > kMaxFixedDigitsAfterPoint then the
+  // function returns false.
+  static const int kMaxFixedDigitsBeforePoint = 60;
+  static const int kMaxFixedDigitsAfterPoint = 60;
+
+  // When calling ToExponential with a requested_digits
+  // parameter > kMaxExponentialDigits then the function returns false.
+  static const int kMaxExponentialDigits = 120;
+
+  // When calling ToPrecision with a requested_digits
+  // parameter < kMinPrecisionDigits or requested_digits > kMaxPrecisionDigits
+  // then the function returns false.
+  static const int kMinPrecisionDigits = 1;
+  static const int kMaxPrecisionDigits = 120;
+
+  enum Flags {
+    NO_FLAGS = 0,
+    EMIT_POSITIVE_EXPONENT_SIGN = 1,
+    EMIT_TRAILING_DECIMAL_POINT = 2,
+    EMIT_TRAILING_ZERO_AFTER_POINT = 4,
+    UNIQUE_ZERO = 8
+  };
+
+  // Flags should be a bit-or combination of the possible Flags-enum.
+  //  - NO_FLAGS: no special flags.
+  //  - EMIT_POSITIVE_EXPONENT_SIGN: when the number is converted into exponent
+  //    form, emits a '+' for positive exponents. Example: 1.2e+2.
+  //  - EMIT_TRAILING_DECIMAL_POINT: when the input number is an integer and is
+  //    converted into decimal format then a trailing decimal point is appended.
+  //    Example: 2345.0 is converted to "2345.".
+  //  - EMIT_TRAILING_ZERO_AFTER_POINT: in addition to a trailing decimal point
+  //    emits a trailing '0'-character. This flag requires the
+  //    EXMIT_TRAILING_DECIMAL_POINT flag.
+  //    Example: 2345.0 is converted to "2345.0".
+  //  - UNIQUE_ZERO: "-0.0" is converted to "0.0".
+  //
+  // Infinity symbol and nan_symbol provide the string representation for these
+  // special values. If the string is NULL and the special value is encountered
+  // then the conversion functions return false.
+  //
+  // The exponent_character is used in exponential representations. It is
+  // usually 'e' or 'E'.
+  //
+  // When converting to the shortest representation the converter will
+  // represent input numbers in decimal format if they are in the interval
+  // [10^decimal_in_shortest_low; 10^decimal_in_shortest_high[
+  //    (lower boundary included, greater boundary excluded).
+  // Example: with decimal_in_shortest_low = -6 and
+  //               decimal_in_shortest_high = 21:
+  //   ToShortest(0.000001)  -> "0.000001"
+  //   ToShortest(0.0000001) -> "1e-7"
+  //   ToShortest(111111111111111111111.0)  -> "111111111111111110000"
+  //   ToShortest(100000000000000000000.0)  -> "100000000000000000000"
+  //   ToShortest(1111111111111111111111.0) -> "1.1111111111111111e+21"
+  //
+  // When converting to precision mode the converter may add
+  // max_leading_padding_zeroes before returning the number in exponential
+  // format.
+  // Example with max_leading_padding_zeroes_in_precision_mode = 6.
+  //   ToPrecision(0.0000012345, 2) -> "0.0000012"
+  //   ToPrecision(0.00000012345, 2) -> "1.2e-7"
+  // Similarily the converter may add up to
+  // max_trailing_padding_zeroes_in_precision_mode in precision mode to avoid
+  // returning an exponential representation. A zero added by the
+  // EMIT_TRAILING_ZERO_AFTER_POINT flag is counted for this limit.
+  // Examples for max_trailing_padding_zeroes_in_precision_mode = 1:
+  //   ToPrecision(230.0, 2) -> "230"
+  //   ToPrecision(230.0, 2) -> "230."  with EMIT_TRAILING_DECIMAL_POINT.
+  //   ToPrecision(230.0, 2) -> "2.3e2" with EMIT_TRAILING_ZERO_AFTER_POINT.
+  DoubleToStringConverter(int flags,
+                          const char* infinity_symbol,
+                          const char* nan_symbol,
+                          char exponent_character,
+                          int decimal_in_shortest_low,
+                          int decimal_in_shortest_high,
+                          int max_leading_padding_zeroes_in_precision_mode,
+                          int max_trailing_padding_zeroes_in_precision_mode)
+      : flags_(flags),
+        infinity_symbol_(infinity_symbol),
+        nan_symbol_(nan_symbol),
+        exponent_character_(exponent_character),
+        decimal_in_shortest_low_(decimal_in_shortest_low),
+        decimal_in_shortest_high_(decimal_in_shortest_high),
+        max_leading_padding_zeroes_in_precision_mode_(
+            max_leading_padding_zeroes_in_precision_mode),
+        max_trailing_padding_zeroes_in_precision_mode_(
+            max_trailing_padding_zeroes_in_precision_mode) {
+    // When 'trailing zero after the point' is set, then 'trailing point'
+    // must be set too.
+    ASSERT(((flags & EMIT_TRAILING_DECIMAL_POINT) != 0) ||
+        !((flags & EMIT_TRAILING_ZERO_AFTER_POINT) != 0));
+  }
+
+  // Returns a converter following the EcmaScript specification.
+  static const DoubleToStringConverter& EcmaScriptConverter();
+
+  // Computes the shortest string of digits that correctly represent the input
+  // number. Depending on decimal_in_shortest_low and decimal_in_shortest_high
+  // (see constructor) it then either returns a decimal representation, or an
+  // exponential representation.
+  // Example with decimal_in_shortest_low = -6,
+  //              decimal_in_shortest_high = 21,
+  //              EMIT_POSITIVE_EXPONENT_SIGN activated, and
+  //              EMIT_TRAILING_DECIMAL_POINT deactived:
+  //   ToShortest(0.000001)  -> "0.000001"
+  //   ToShortest(0.0000001) -> "1e-7"
+  //   ToShortest(111111111111111111111.0)  -> "111111111111111110000"
+  //   ToShortest(100000000000000000000.0)  -> "100000000000000000000"
+  //   ToShortest(1111111111111111111111.0) -> "1.1111111111111111e+21"
+  //
+  // Note: the conversion may round the output if the returned string
+  // is accurate enough to uniquely identify the input-number.
+  // For example the most precise representation of the double 9e59 equals
+  // "899999999999999918767229449717619953810131273674690656206848", but
+  // the converter will return the shorter (but still correct) "9e59".
+  //
+  // Returns true if the conversion succeeds. The conversion always succeeds
+  // except when the input value is special and no infinity_symbol or
+  // nan_symbol has been given to the constructor.
+  bool ToShortest(double value, StringBuilder* result_builder) const {
+    return ToShortestIeeeNumber(value, result_builder, SHORTEST);
+  }
+
+  // Same as ToShortest, but for single-precision floats.
+  bool ToShortestSingle(float value, StringBuilder* result_builder) const {
+    return ToShortestIeeeNumber(value, result_builder, SHORTEST_SINGLE);
+  }
+
+
+  // Computes a decimal representation with a fixed number of digits after the
+  // decimal point. The last emitted digit is rounded.
+  //
+  // Examples:
+  //   ToFixed(3.12, 1) -> "3.1"
+  //   ToFixed(3.1415, 3) -> "3.142"
+  //   ToFixed(1234.56789, 4) -> "1234.5679"
+  //   ToFixed(1.23, 5) -> "1.23000"
+  //   ToFixed(0.1, 4) -> "0.1000"
+  //   ToFixed(1e30, 2) -> "1000000000000000019884624838656.00"
+  //   ToFixed(0.1, 30) -> "0.100000000000000005551115123126"
+  //   ToFixed(0.1, 17) -> "0.10000000000000001"
+  //
+  // If requested_digits equals 0, then the tail of the result depends on
+  // the EMIT_TRAILING_DECIMAL_POINT and EMIT_TRAILING_ZERO_AFTER_POINT.
+  // Examples, for requested_digits == 0,
+  //   let EMIT_TRAILING_DECIMAL_POINT and EMIT_TRAILING_ZERO_AFTER_POINT be
+  //    - false and false: then 123.45 -> 123
+  //                             0.678 -> 1
+  //    - true and false: then 123.45 -> 123.
+  //                            0.678 -> 1.
+  //    - true and true: then 123.45 -> 123.0
+  //                           0.678 -> 1.0
+  //
+  // Returns true if the conversion succeeds. The conversion always succeeds
+  // except for the following cases:
+  //   - the input value is special and no infinity_symbol or nan_symbol has
+  //     been provided to the constructor,
+  //   - 'value' > 10^kMaxFixedDigitsBeforePoint, or
+  //   - 'requested_digits' > kMaxFixedDigitsAfterPoint.
+  // The last two conditions imply that the result will never contain more than
+  // 1 + kMaxFixedDigitsBeforePoint + 1 + kMaxFixedDigitsAfterPoint characters
+  // (one additional character for the sign, and one for the decimal point).
+  bool ToFixed(double value,
+               int requested_digits,
+               StringBuilder* result_builder) const;
+
+  // Computes a representation in exponential format with requested_digits
+  // after the decimal point. The last emitted digit is rounded.
+  // If requested_digits equals -1, then the shortest exponential representation
+  // is computed.
+  //
+  // Examples with EMIT_POSITIVE_EXPONENT_SIGN deactivated, and
+  //               exponent_character set to 'e'.
+  //   ToExponential(3.12, 1) -> "3.1e0"
+  //   ToExponential(5.0, 3) -> "5.000e0"
+  //   ToExponential(0.001, 2) -> "1.00e-3"
+  //   ToExponential(3.1415, -1) -> "3.1415e0"
+  //   ToExponential(3.1415, 4) -> "3.1415e0"
+  //   ToExponential(3.1415, 3) -> "3.142e0"
+  //   ToExponential(123456789000000, 3) -> "1.235e14"
+  //   ToExponential(1000000000000000019884624838656.0, -1) -> "1e30"
+  //   ToExponential(1000000000000000019884624838656.0, 32) ->
+  //                     "1.00000000000000001988462483865600e30"
+  //   ToExponential(1234, 0) -> "1e3"
+  //
+  // Returns true if the conversion succeeds. The conversion always succeeds
+  // except for the following cases:
+  //   - the input value is special and no infinity_symbol or nan_symbol has
+  //     been provided to the constructor,
+  //   - 'requested_digits' > kMaxExponentialDigits.
+  // The last condition implies that the result will never contain more than
+  // kMaxExponentialDigits + 8 characters (the sign, the digit before the
+  // decimal point, the decimal point, the exponent character, the
+  // exponent's sign, and at most 3 exponent digits).
+  bool ToExponential(double value,
+                     int requested_digits,
+                     StringBuilder* result_builder) const;
+
+  // Computes 'precision' leading digits of the given 'value' and returns them
+  // either in exponential or decimal format, depending on
+  // max_{leading|trailing}_padding_zeroes_in_precision_mode (given to the
+  // constructor).
+  // The last computed digit is rounded.
+  //
+  // Example with max_leading_padding_zeroes_in_precision_mode = 6.
+  //   ToPrecision(0.0000012345, 2) -> "0.0000012"
+  //   ToPrecision(0.00000012345, 2) -> "1.2e-7"
+  // Similarily the converter may add up to
+  // max_trailing_padding_zeroes_in_precision_mode in precision mode to avoid
+  // returning an exponential representation. A zero added by the
+  // EMIT_TRAILING_ZERO_AFTER_POINT flag is counted for this limit.
+  // Examples for max_trailing_padding_zeroes_in_precision_mode = 1:
+  //   ToPrecision(230.0, 2) -> "230"
+  //   ToPrecision(230.0, 2) -> "230."  with EMIT_TRAILING_DECIMAL_POINT.
+  //   ToPrecision(230.0, 2) -> "2.3e2" with EMIT_TRAILING_ZERO_AFTER_POINT.
+  // Examples for max_trailing_padding_zeroes_in_precision_mode = 3, and no
+  //    EMIT_TRAILING_ZERO_AFTER_POINT:
+  //   ToPrecision(123450.0, 6) -> "123450"
+  //   ToPrecision(123450.0, 5) -> "123450"
+  //   ToPrecision(123450.0, 4) -> "123500"
+  //   ToPrecision(123450.0, 3) -> "123000"
+  //   ToPrecision(123450.0, 2) -> "1.2e5"
+  //
+  // Returns true if the conversion succeeds. The conversion always succeeds
+  // except for the following cases:
+  //   - the input value is special and no infinity_symbol or nan_symbol has
+  //     been provided to the constructor,
+  //   - precision < kMinPericisionDigits
+  //   - precision > kMaxPrecisionDigits
+  // The last condition implies that the result will never contain more than
+  // kMaxPrecisionDigits + 7 characters (the sign, the decimal point, the
+  // exponent character, the exponent's sign, and at most 3 exponent digits).
+  bool ToPrecision(double value,
+                   int precision,
+                   StringBuilder* result_builder) const;
+
+  enum DtoaMode {
+    // Produce the shortest correct representation.
+    // For example the output of 0.299999999999999988897 is (the less accurate
+    // but correct) 0.3.
+    SHORTEST,
+    // Same as SHORTEST, but for single-precision floats.
+    SHORTEST_SINGLE,
+    // Produce a fixed number of digits after the decimal point.
+    // For instance fixed(0.1, 4) becomes 0.1000
+    // If the input number is big, the output will be big.
+    FIXED,
+    // Fixed number of digits (independent of the decimal point).
+    PRECISION
+  };
+
+  // The maximal number of digits that are needed to emit a double in base 10.
+  // A higher precision can be achieved by using more digits, but the shortest
+  // accurate representation of any double will never use more digits than
+  // kBase10MaximalLength.
+  // Note that DoubleToAscii null-terminates its input. So the given buffer
+  // should be at least kBase10MaximalLength + 1 characters long.
+  static const int kBase10MaximalLength = 17;
+
   // Converts the given double 'v' to digit characters. 'v' must not be NaN,
   // +Infinity, or -Infinity. In SHORTEST_SINGLE-mode this restriction also
   // applies to 'v' after it has been casted to a single-precision float. That
   // is, in this mode static_cast<float>(v) must not be NaN, +Infinity or
   // -Infinity.
-  // 
-  // The result should be interpreted as buffer * 10^(point-length). 
-  // 
+  //
+  // The result should be interpreted as buffer * 10^(point-length).
+  //
   // The digits are written to the buffer in the platform's charset, which is
   // often UTF-8 (with ASCII-range digits) but may be another charset, such
   // as EBCDIC.
   //
-  // The output depends on the given mode: 
-  //  - SHORTEST: produce the least amount of digits for which the internal 
-  //   identity requirement is still satisfied. If the digits are printed 
-  //   (together with the correct exponent) then reading this number will give 
-  //   'v' again. The buffer will choose the representation that is closest to 
-  //   'v'. If there are two at the same distance, than the one farther away 
-  //   from 0 is chosen (halfway cases - ending with 5 - are rounded up). 
-  //   In this mode the 'requested_digits' parameter is ignored. 
-  //  - SHORTEST_SINGLE: same as SHORTEST but with single-precision. 
-  //  - FIXED: produces digits necessary to print a given number with 
-  //   'requested_digits' digits after the decimal point. The produced digits 
-  //   might be too short in which case the caller has to fill the remainder 
-  //   with '0's. 
-  //   Example: toFixed(0.001, 5) is allowed to return buffer="1", point=-2. 
-  //   Halfway cases are rounded towards +/-Infinity (away from 0). The call 
-  //   toFixed(0.15, 2) thus returns buffer="2", point=0. 
-  //   The returned buffer may contain digits that would be truncated from the 
-  //   shortest representation of the input. 
-  //  - PRECISION: produces 'requested_digits' where the first digit is not '0'. 
-  //   Even though the length of produced digits usually equals 
-  //   'requested_digits', the function is allowed to return fewer digits, in 
-  //   which case the caller has to fill the missing digits with '0's. 
-  //   Halfway cases are again rounded away from 0. 
-  // DoubleToAscii expects the given buffer to be big enough to hold all 
-  // digits and a terminating null-character. In SHORTEST-mode it expects a 
-  // buffer of at least kBase10MaximalLength + 1. In all other modes the 
-  // requested_digits parameter and the padding-zeroes limit the size of the 
-  // output. Don't forget the decimal point, the exponent character and the 
-  // terminating null-character when computing the maximal output size. 
-  // The given length is only used in debug mode to ensure the buffer is big 
-  // enough. 
-  static void DoubleToAscii(double v, 
-                            DtoaMode mode, 
-                            int requested_digits, 
-                            char* buffer, 
-                            int buffer_length, 
-                            bool* sign, 
-                            int* length, 
-                            int* point); 
- 
- private: 
-  // Implementation for ToShortest and ToShortestSingle. 
-  bool ToShortestIeeeNumber(double value, 
-                            StringBuilder* result_builder, 
-                            DtoaMode mode) const; 
- 
-  // If the value is a special value (NaN or Infinity) constructs the 
-  // corresponding string using the configured infinity/nan-symbol. 
-  // If either of them is NULL or the value is not special then the 
-  // function returns false. 
-  bool HandleSpecialValues(double value, StringBuilder* result_builder) const; 
-  // Constructs an exponential representation (i.e. 1.234e56). 
-  // The given exponent assumes a decimal point after the first decimal digit. 
-  void CreateExponentialRepresentation(const char* decimal_digits, 
-                                       int length, 
-                                       int exponent, 
-                                       StringBuilder* result_builder) const; 
-  // Creates a decimal representation (i.e 1234.5678). 
-  void CreateDecimalRepresentation(const char* decimal_digits, 
-                                   int length, 
-                                   int decimal_point, 
-                                   int digits_after_point, 
-                                   StringBuilder* result_builder) const; 
- 
-  const int flags_; 
-  const char* const infinity_symbol_; 
-  const char* const nan_symbol_; 
-  const char exponent_character_; 
-  const int decimal_in_shortest_low_; 
-  const int decimal_in_shortest_high_; 
-  const int max_leading_padding_zeroes_in_precision_mode_; 
-  const int max_trailing_padding_zeroes_in_precision_mode_; 
- 
+  // The output depends on the given mode:
+  //  - SHORTEST: produce the least amount of digits for which the internal
+  //   identity requirement is still satisfied. If the digits are printed
+  //   (together with the correct exponent) then reading this number will give
+  //   'v' again. The buffer will choose the representation that is closest to
+  //   'v'. If there are two at the same distance, than the one farther away
+  //   from 0 is chosen (halfway cases - ending with 5 - are rounded up).
+  //   In this mode the 'requested_digits' parameter is ignored.
+  //  - SHORTEST_SINGLE: same as SHORTEST but with single-precision.
+  //  - FIXED: produces digits necessary to print a given number with
+  //   'requested_digits' digits after the decimal point. The produced digits
+  //   might be too short in which case the caller has to fill the remainder
+  //   with '0's.
+  //   Example: toFixed(0.001, 5) is allowed to return buffer="1", point=-2.
+  //   Halfway cases are rounded towards +/-Infinity (away from 0). The call
+  //   toFixed(0.15, 2) thus returns buffer="2", point=0.
+  //   The returned buffer may contain digits that would be truncated from the
+  //   shortest representation of the input.
+  //  - PRECISION: produces 'requested_digits' where the first digit is not '0'.
+  //   Even though the length of produced digits usually equals
+  //   'requested_digits', the function is allowed to return fewer digits, in
+  //   which case the caller has to fill the missing digits with '0's.
+  //   Halfway cases are again rounded away from 0.
+  // DoubleToAscii expects the given buffer to be big enough to hold all
+  // digits and a terminating null-character. In SHORTEST-mode it expects a
+  // buffer of at least kBase10MaximalLength + 1. In all other modes the
+  // requested_digits parameter and the padding-zeroes limit the size of the
+  // output. Don't forget the decimal point, the exponent character and the
+  // terminating null-character when computing the maximal output size.
+  // The given length is only used in debug mode to ensure the buffer is big
+  // enough.
+  static void DoubleToAscii(double v,
+                            DtoaMode mode,
+                            int requested_digits,
+                            char* buffer,
+                            int buffer_length,
+                            bool* sign,
+                            int* length,
+                            int* point);
+
+ private:
+  // Implementation for ToShortest and ToShortestSingle.
+  bool ToShortestIeeeNumber(double value,
+                            StringBuilder* result_builder,
+                            DtoaMode mode) const;
+
+  // If the value is a special value (NaN or Infinity) constructs the
+  // corresponding string using the configured infinity/nan-symbol.
+  // If either of them is NULL or the value is not special then the
+  // function returns false.
+  bool HandleSpecialValues(double value, StringBuilder* result_builder) const;
+  // Constructs an exponential representation (i.e. 1.234e56).
+  // The given exponent assumes a decimal point after the first decimal digit.
+  void CreateExponentialRepresentation(const char* decimal_digits,
+                                       int length,
+                                       int exponent,
+                                       StringBuilder* result_builder) const;
+  // Creates a decimal representation (i.e 1234.5678).
+  void CreateDecimalRepresentation(const char* decimal_digits,
+                                   int length,
+                                   int decimal_point,
+                                   int digits_after_point,
+                                   StringBuilder* result_builder) const;
+
+  const int flags_;
+  const char* const infinity_symbol_;
+  const char* const nan_symbol_;
+  const char exponent_character_;
+  const int decimal_in_shortest_low_;
+  const int decimal_in_shortest_high_;
+  const int max_leading_padding_zeroes_in_precision_mode_;
+  const int max_trailing_padding_zeroes_in_precision_mode_;
+
   DC_DISALLOW_IMPLICIT_CONSTRUCTORS(DoubleToStringConverter);
-}; 
- 
- 
-class StringToDoubleConverter { 
- public: 
-  // Enumeration for allowing octals and ignoring junk when converting 
-  // strings to numbers. 
-  enum Flags { 
-    NO_FLAGS = 0, 
-    ALLOW_HEX = 1, 
-    ALLOW_OCTALS = 2, 
-    ALLOW_TRAILING_JUNK = 4, 
-    ALLOW_LEADING_SPACES = 8, 
-    ALLOW_TRAILING_SPACES = 16, 
+};
+
+
+class StringToDoubleConverter {
+ public:
+  // Enumeration for allowing octals and ignoring junk when converting
+  // strings to numbers.
+  enum Flags {
+    NO_FLAGS = 0,
+    ALLOW_HEX = 1,
+    ALLOW_OCTALS = 2,
+    ALLOW_TRAILING_JUNK = 4,
+    ALLOW_LEADING_SPACES = 8,
+    ALLOW_TRAILING_SPACES = 16,
     ALLOW_SPACES_AFTER_SIGN = 32,
     ALLOW_CASE_INSENSIBILITY = 64,
     ALLOW_HEX_FLOATS = 128,
-  }; 
- 
+  };
+
   static const uc16 kNoSeparator = '\0';
 
-  // Flags should be a bit-or combination of the possible Flags-enum. 
-  //  - NO_FLAGS: no special flags. 
-  //  - ALLOW_HEX: recognizes the prefix "0x". Hex numbers may only be integers. 
-  //      Ex: StringToDouble("0x1234") -> 4660.0 
-  //          In StringToDouble("0x1234.56") the characters ".56" are trailing 
-  //          junk. The result of the call is hence dependent on 
-  //          the ALLOW_TRAILING_JUNK flag and/or the junk value. 
-  //      With this flag "0x" is a junk-string. Even with ALLOW_TRAILING_JUNK, 
-  //      the string will not be parsed as "0" followed by junk. 
-  // 
-  //  - ALLOW_OCTALS: recognizes the prefix "0" for octals: 
-  //      If a sequence of octal digits starts with '0', then the number is 
-  //      read as octal integer. Octal numbers may only be integers. 
-  //      Ex: StringToDouble("01234") -> 668.0 
-  //          StringToDouble("012349") -> 12349.0  // Not a sequence of octal 
-  //                                               // digits. 
-  //          In StringToDouble("01234.56") the characters ".56" are trailing 
-  //          junk. The result of the call is hence dependent on 
-  //          the ALLOW_TRAILING_JUNK flag and/or the junk value. 
-  //          In StringToDouble("01234e56") the characters "e56" are trailing 
-  //          junk, too. 
-  //  - ALLOW_TRAILING_JUNK: ignore trailing characters that are not part of 
-  //      a double literal. 
-  //  - ALLOW_LEADING_SPACES: skip over leading whitespace, including spaces, 
-  //                          new-lines, and tabs. 
-  //  - ALLOW_TRAILING_SPACES: ignore trailing whitespace. 
-  //  - ALLOW_SPACES_AFTER_SIGN: ignore whitespace after the sign. 
-  //       Ex: StringToDouble("-   123.2") -> -123.2. 
-  //           StringToDouble("+   123.2") -> 123.2 
+  // Flags should be a bit-or combination of the possible Flags-enum.
+  //  - NO_FLAGS: no special flags.
+  //  - ALLOW_HEX: recognizes the prefix "0x". Hex numbers may only be integers.
+  //      Ex: StringToDouble("0x1234") -> 4660.0
+  //          In StringToDouble("0x1234.56") the characters ".56" are trailing
+  //          junk. The result of the call is hence dependent on
+  //          the ALLOW_TRAILING_JUNK flag and/or the junk value.
+  //      With this flag "0x" is a junk-string. Even with ALLOW_TRAILING_JUNK,
+  //      the string will not be parsed as "0" followed by junk.
+  //
+  //  - ALLOW_OCTALS: recognizes the prefix "0" for octals:
+  //      If a sequence of octal digits starts with '0', then the number is
+  //      read as octal integer. Octal numbers may only be integers.
+  //      Ex: StringToDouble("01234") -> 668.0
+  //          StringToDouble("012349") -> 12349.0  // Not a sequence of octal
+  //                                               // digits.
+  //          In StringToDouble("01234.56") the characters ".56" are trailing
+  //          junk. The result of the call is hence dependent on
+  //          the ALLOW_TRAILING_JUNK flag and/or the junk value.
+  //          In StringToDouble("01234e56") the characters "e56" are trailing
+  //          junk, too.
+  //  - ALLOW_TRAILING_JUNK: ignore trailing characters that are not part of
+  //      a double literal.
+  //  - ALLOW_LEADING_SPACES: skip over leading whitespace, including spaces,
+  //                          new-lines, and tabs.
+  //  - ALLOW_TRAILING_SPACES: ignore trailing whitespace.
+  //  - ALLOW_SPACES_AFTER_SIGN: ignore whitespace after the sign.
+  //       Ex: StringToDouble("-   123.2") -> -123.2.
+  //           StringToDouble("+   123.2") -> 123.2
   //  - ALLOW_CASE_INSENSIBILITY: ignore case of characters for special values:
   //      infinity and nan.
   //  - ALLOW_HEX_FLOATS: allows hexadecimal float literals.
@@ -437,75 +437,75 @@ class StringToDoubleConverter {
   //      Examples: 0x1.2p3 == 9.0
   //                0x10.1p0 == 16.0625
   //      ALLOW_HEX and ALLOW_HEX_FLOATS are indendent.
-  // 
-  // empty_string_value is returned when an empty string is given as input. 
-  // If ALLOW_LEADING_SPACES or ALLOW_TRAILING_SPACES are set, then a string 
-  // containing only spaces is converted to the 'empty_string_value', too. 
-  // 
-  // junk_string_value is returned when 
-  //  a) ALLOW_TRAILING_JUNK is not set, and a junk character (a character not 
-  //     part of a double-literal) is found. 
-  //  b) ALLOW_TRAILING_JUNK is set, but the string does not start with a 
-  //     double literal. 
-  // 
-  // infinity_symbol and nan_symbol are strings that are used to detect 
-  // inputs that represent infinity and NaN. They can be null, in which case 
-  // they are ignored. 
-  // The conversion routine first reads any possible signs. Then it compares the 
-  // following character of the input-string with the first character of 
-  // the infinity, and nan-symbol. If either matches, the function assumes, that 
-  // a match has been found, and expects the following input characters to match 
-  // the remaining characters of the special-value symbol. 
-  // This means that the following restrictions apply to special-value symbols: 
-  //  - they must not start with signs ('+', or '-'), 
-  //  - they must not have the same first character. 
-  //  - they must not start with digits. 
-  // 
+  //
+  // empty_string_value is returned when an empty string is given as input.
+  // If ALLOW_LEADING_SPACES or ALLOW_TRAILING_SPACES are set, then a string
+  // containing only spaces is converted to the 'empty_string_value', too.
+  //
+  // junk_string_value is returned when
+  //  a) ALLOW_TRAILING_JUNK is not set, and a junk character (a character not
+  //     part of a double-literal) is found.
+  //  b) ALLOW_TRAILING_JUNK is set, but the string does not start with a
+  //     double literal.
+  //
+  // infinity_symbol and nan_symbol are strings that are used to detect
+  // inputs that represent infinity and NaN. They can be null, in which case
+  // they are ignored.
+  // The conversion routine first reads any possible signs. Then it compares the
+  // following character of the input-string with the first character of
+  // the infinity, and nan-symbol. If either matches, the function assumes, that
+  // a match has been found, and expects the following input characters to match
+  // the remaining characters of the special-value symbol.
+  // This means that the following restrictions apply to special-value symbols:
+  //  - they must not start with signs ('+', or '-'),
+  //  - they must not have the same first character.
+  //  - they must not start with digits.
+  //
   // If the separator character is not kNoSeparator, then that specific
   // character is ignored when in between two valid digits of the significant.
   // It is not allowed to appear in the exponent.
   // It is not allowed to lead or trail the number.
   // It is not allowed to appear twice next to each other.
   //
-  // Examples: 
-  //  flags = ALLOW_HEX | ALLOW_TRAILING_JUNK, 
-  //  empty_string_value = 0.0, 
-  //  junk_string_value = NaN, 
-  //  infinity_symbol = "infinity", 
-  //  nan_symbol = "nan": 
-  //    StringToDouble("0x1234") -> 4660.0. 
-  //    StringToDouble("0x1234K") -> 4660.0. 
-  //    StringToDouble("") -> 0.0  // empty_string_value. 
-  //    StringToDouble(" ") -> NaN  // junk_string_value. 
-  //    StringToDouble(" 1") -> NaN  // junk_string_value. 
-  //    StringToDouble("0x") -> NaN  // junk_string_value. 
-  //    StringToDouble("-123.45") -> -123.45. 
-  //    StringToDouble("--123.45") -> NaN  // junk_string_value. 
-  //    StringToDouble("123e45") -> 123e45. 
-  //    StringToDouble("123E45") -> 123e45. 
-  //    StringToDouble("123e+45") -> 123e45. 
-  //    StringToDouble("123E-45") -> 123e-45. 
-  //    StringToDouble("123e") -> 123.0  // trailing junk ignored. 
-  //    StringToDouble("123e-") -> 123.0  // trailing junk ignored. 
-  //    StringToDouble("+NaN") -> NaN  // NaN string literal. 
-  //    StringToDouble("-infinity") -> -inf.  // infinity literal. 
-  //    StringToDouble("Infinity") -> NaN  // junk_string_value. 
-  // 
-  //  flags = ALLOW_OCTAL | ALLOW_LEADING_SPACES, 
-  //  empty_string_value = 0.0, 
-  //  junk_string_value = NaN, 
-  //  infinity_symbol = NULL, 
-  //  nan_symbol = NULL: 
-  //    StringToDouble("0x1234") -> NaN  // junk_string_value. 
-  //    StringToDouble("01234") -> 668.0. 
-  //    StringToDouble("") -> 0.0  // empty_string_value. 
-  //    StringToDouble(" ") -> 0.0  // empty_string_value. 
-  //    StringToDouble(" 1") -> 1.0 
-  //    StringToDouble("0x") -> NaN  // junk_string_value. 
-  //    StringToDouble("0123e45") -> NaN  // junk_string_value. 
-  //    StringToDouble("01239E45") -> 1239e45. 
-  //    StringToDouble("-infinity") -> NaN  // junk_string_value. 
-  //    StringToDouble("NaN") -> NaN  // junk_string_value. 
+  // Examples:
+  //  flags = ALLOW_HEX | ALLOW_TRAILING_JUNK,
+  //  empty_string_value = 0.0,
+  //  junk_string_value = NaN,
+  //  infinity_symbol = "infinity",
+  //  nan_symbol = "nan":
+  //    StringToDouble("0x1234") -> 4660.0.
+  //    StringToDouble("0x1234K") -> 4660.0.
+  //    StringToDouble("") -> 0.0  // empty_string_value.
+  //    StringToDouble(" ") -> NaN  // junk_string_value.
+  //    StringToDouble(" 1") -> NaN  // junk_string_value.
+  //    StringToDouble("0x") -> NaN  // junk_string_value.
+  //    StringToDouble("-123.45") -> -123.45.
+  //    StringToDouble("--123.45") -> NaN  // junk_string_value.
+  //    StringToDouble("123e45") -> 123e45.
+  //    StringToDouble("123E45") -> 123e45.
+  //    StringToDouble("123e+45") -> 123e45.
+  //    StringToDouble("123E-45") -> 123e-45.
+  //    StringToDouble("123e") -> 123.0  // trailing junk ignored.
+  //    StringToDouble("123e-") -> 123.0  // trailing junk ignored.
+  //    StringToDouble("+NaN") -> NaN  // NaN string literal.
+  //    StringToDouble("-infinity") -> -inf.  // infinity literal.
+  //    StringToDouble("Infinity") -> NaN  // junk_string_value.
+  //
+  //  flags = ALLOW_OCTAL | ALLOW_LEADING_SPACES,
+  //  empty_string_value = 0.0,
+  //  junk_string_value = NaN,
+  //  infinity_symbol = NULL,
+  //  nan_symbol = NULL:
+  //    StringToDouble("0x1234") -> NaN  // junk_string_value.
+  //    StringToDouble("01234") -> 668.0.
+  //    StringToDouble("") -> 0.0  // empty_string_value.
+  //    StringToDouble(" ") -> 0.0  // empty_string_value.
+  //    StringToDouble(" 1") -> 1.0
+  //    StringToDouble("0x") -> NaN  // junk_string_value.
+  //    StringToDouble("0123e45") -> NaN  // junk_string_value.
+  //    StringToDouble("01239E45") -> 1239e45.
+  //    StringToDouble("-infinity") -> NaN  // junk_string_value.
+  //    StringToDouble("NaN") -> NaN  // junk_string_value.
   //
   //  flags = NO_FLAGS,
   //  separator = ' ':
@@ -514,63 +514,63 @@ class StringToDoubleConverter {
   //    StringToDouble("1 000 000.0") -> 1000000.0
   //    StringToDouble("1.000 000") -> 1.0
   //    StringToDouble("1.0e1 000") -> NaN // junk_string_value
-  StringToDoubleConverter(int flags, 
-                          double empty_string_value, 
-                          double junk_string_value, 
-                          const char* infinity_symbol, 
+  StringToDoubleConverter(int flags,
+                          double empty_string_value,
+                          double junk_string_value,
+                          const char* infinity_symbol,
                           const char* nan_symbol,
                           uc16 separator = kNoSeparator)
-      : flags_(flags), 
-        empty_string_value_(empty_string_value), 
-        junk_string_value_(junk_string_value), 
-        infinity_symbol_(infinity_symbol), 
+      : flags_(flags),
+        empty_string_value_(empty_string_value),
+        junk_string_value_(junk_string_value),
+        infinity_symbol_(infinity_symbol),
         nan_symbol_(nan_symbol),
         separator_(separator) {
-  } 
- 
-  // Performs the conversion. 
-  // The output parameter 'processed_characters_count' is set to the number 
-  // of characters that have been processed to read the number. 
-  // Spaces than are processed with ALLOW_{LEADING|TRAILING}_SPACES are included 
-  // in the 'processed_characters_count'. Trailing junk is never included. 
-  double StringToDouble(const char* buffer, 
-                        int length, 
-                        int* processed_characters_count) const; 
- 
-  // Same as StringToDouble above but for 16 bit characters. 
-  double StringToDouble(const uc16* buffer, 
-                        int length, 
-                        int* processed_characters_count) const; 
- 
-  // Same as StringToDouble but reads a float. 
-  // Note that this is not equivalent to static_cast<float>(StringToDouble(...)) 
-  // due to potential double-rounding. 
-  float StringToFloat(const char* buffer, 
-                      int length, 
-                      int* processed_characters_count) const; 
- 
-  // Same as StringToFloat above but for 16 bit characters. 
-  float StringToFloat(const uc16* buffer, 
-                      int length, 
-                      int* processed_characters_count) const; 
- 
- private: 
-  const int flags_; 
-  const double empty_string_value_; 
-  const double junk_string_value_; 
-  const char* const infinity_symbol_; 
-  const char* const nan_symbol_; 
+  }
+
+  // Performs the conversion.
+  // The output parameter 'processed_characters_count' is set to the number
+  // of characters that have been processed to read the number.
+  // Spaces than are processed with ALLOW_{LEADING|TRAILING}_SPACES are included
+  // in the 'processed_characters_count'. Trailing junk is never included.
+  double StringToDouble(const char* buffer,
+                        int length,
+                        int* processed_characters_count) const;
+
+  // Same as StringToDouble above but for 16 bit characters.
+  double StringToDouble(const uc16* buffer,
+                        int length,
+                        int* processed_characters_count) const;
+
+  // Same as StringToDouble but reads a float.
+  // Note that this is not equivalent to static_cast<float>(StringToDouble(...))
+  // due to potential double-rounding.
+  float StringToFloat(const char* buffer,
+                      int length,
+                      int* processed_characters_count) const;
+
+  // Same as StringToFloat above but for 16 bit characters.
+  float StringToFloat(const uc16* buffer,
+                      int length,
+                      int* processed_characters_count) const;
+
+ private:
+  const int flags_;
+  const double empty_string_value_;
+  const double junk_string_value_;
+  const char* const infinity_symbol_;
+  const char* const nan_symbol_;
   const uc16 separator_;
- 
-  template <class Iterator> 
-  double StringToIeee(Iterator start_pointer, 
-                      int length, 
-                      bool read_as_double, 
-                      int* processed_characters_count) const; 
- 
+
+  template <class Iterator>
+  double StringToIeee(Iterator start_pointer,
+                      int length,
+                      bool read_as_double,
+                      int* processed_characters_count) const;
+
   DC_DISALLOW_IMPLICIT_CONSTRUCTORS(StringToDoubleConverter);
-}; 
- 
-}  // namespace double_conversion 
- 
-#endif  // DOUBLE_CONVERSION_DOUBLE_CONVERSION_H_ 
+};
+
+}  // namespace double_conversion
+
+#endif  // DOUBLE_CONVERSION_DOUBLE_CONVERSION_H_