Replace math.h with cmath

src/preparser.cc

 // Copyright 2011 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.
 
-#include <math.h>
+#include <cmath>
 
 #include "../include/v8stdint.h"
 
 #include "allocation.h"
 #include "checks.h"
 #include "conversions.h"
 #include "conversions-inl.h"
 #include "globals.h"
 #include "hashmap.h"
 #include "list.h"
 #include "preparse-data-format.h"
 #include "preparse-data.h"
 #include "preparser.h"
 #include "unicode.h"
 #include "utils.h"
 
-namespace v8 {
+#ifdef _MSC_VER
+namespace std {
 
-#ifdef _MSC_VER
 // Usually defined in math.h, but not in MSVC.
 // Abstracted to work
 int isfinite(double value);
+
+}  // namespace std
 #endif
 
+namespace v8 {
+
 namespace preparser {
 
 PreParser::PreParseResult PreParser::PreParseLazyFunction(
     i::LanguageMode mode, bool is_generator, i::ParserRecorder* log) {
   log_ = log;
   // Lazy functions always have trivial outer scopes (no with/catch scopes).
   Scope top_scope(&scope_, kTopLevelScope);
   set_language_mode(mode);
   Scope function_scope(&scope_, kFunctionScope);
   function_scope.set_is_generator(is_generator);
@@ skipping 1642 matching lines @@
   ASSERT(key.length() > 0);
   // Quick check for already being in canonical form.
   if (IsNumberCanonical(key)) {
     return AddAsciiSymbol(key, value);
   }
 
   int flags = i::ALLOW_HEX | i::ALLOW_OCTALS;
   double double_value = StringToDouble(unicode_constants_, key, flags, 0.0);
   int length;
   const char* string;
-  if (!isfinite(double_value)) {
+  if (!std::isfinite(double_value)) {
     string = "Infinity";
     length = 8;  // strlen("Infinity");
   } else {
     string = DoubleToCString(double_value,
                              i::Vector<char>(number_buffer_, kBufferSize));
     length = i::StrLength(string);
   }
   return AddSymbol(i::Vector<const byte>(reinterpret_cast<const byte*>(string),
                                          length), true, value);
 }
@@ skipping 80 matching lines @@
       backing_store_.Add(static_cast<byte>((ascii_length >> 14) | 0x80u));
     }
     backing_store_.Add(static_cast<byte>((ascii_length >> 7) | 0x80u));
   }
   backing_store_.Add(static_cast<byte>(ascii_length & 0x7f));
 
   backing_store_.AddBlock(bytes);
   return backing_store_.EndSequence().start();
 }
 } }  // v8::preparser