Replace math.h with cmath

src/api.cc

 // 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.
 
 #include "api.h"
 
-#include <math.h>  // For isnan.
 #include <string.h>  // For memcpy, strlen.
+#include <cmath>  // For isnan.
 #include "../include/v8-debug.h"
 #include "../include/v8-profiler.h"
 #include "../include/v8-testing.h"
 #include "bootstrapper.h"
 #include "code-stubs.h"
 #include "compiler.h"
 #include "conversions-inl.h"
 #include "counters.h"
 #include "debug.h"
 #include "deoptimizer.h"
@@ skipping 2935 matching lines @@
   }
   LOG_API(isolate, "StrictEquals");
   i::Handle<i::Object> obj = Utils::OpenHandle(this);
   i::Handle<i::Object> other = Utils::OpenHandle(*that);
   // Must check HeapNumber first, since NaN !== NaN.
   if (obj->IsHeapNumber()) {
     if (!other->IsNumber()) return false;
     double x = obj->Number();
     double y = other->Number();
     // Must check explicitly for NaN:s on Windows, but -0 works fine.
-    return x == y && !isnan(x) && !isnan(y);
+    return x == y && !std::isnan(x) && !std::isnan(y);
   } else if (*obj == *other) {  // Also covers Booleans.
     return true;
   } else if (obj->IsSmi()) {
     return other->IsNumber() && obj->Number() == other->Number();
   } else if (obj->IsString()) {
     return other->IsString() &&
       i::String::cast(*obj)->Equals(i::String::cast(*other));
   } else if (obj->IsUndefined() || obj->IsUndetectableObject()) {
     return other->IsUndefined() || other->IsUndetectableObject();
   } else {
@@ skipping 2563 matching lines @@
   i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj);
   return Utils::ToLocal(
       i::Handle<i::Symbol>(i::Symbol::cast(jsvalue->value())));
 }
 
 
 Local<v8::Value> v8::Date::New(double time) {
   i::Isolate* isolate = i::Isolate::Current();
   EnsureInitializedForIsolate(isolate, "v8::Date::New()");
   LOG_API(isolate, "Date::New");
-  if (isnan(time)) {
+  if (std::isnan(time)) {
     // Introduce only canonical NaN value into the VM, to avoid signaling NaNs.
     time = i::OS::nan_value();
   }
   ENTER_V8(isolate);
   EXCEPTION_PREAMBLE(isolate);
   i::Handle<i::Object> obj =
       i::Execution::NewDate(time, &has_pending_exception);
   EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Value>());
   return Utils::ToLocal(obj);
 }
@@ skipping 183 matching lines @@
       i::Vector<const char>(data, length));
   i::Handle<i::Symbol> result = i_isolate->factory()->NewSymbol();
   result->set_name(*name);
   return Utils::ToLocal(result);
 }
 
 
 Local<Number> v8::Number::New(double value) {
   i::Isolate* isolate = i::Isolate::Current();
   EnsureInitializedForIsolate(isolate, "v8::Number::New()");
-  if (isnan(value)) {
+  if (std::isnan(value)) {
     // Introduce only canonical NaN value into the VM, to avoid signaling NaNs.
     value = i::OS::nan_value();
   }
   ENTER_V8(isolate);
   i::Handle<i::Object> result = isolate->factory()->NewNumber(value);
   return Utils::NumberToLocal(result);
 }
 
 
 Local<Integer> v8::Integer::New(int32_t value) {
@@ skipping 1595 matching lines @@
 
   v->VisitPointers(blocks_.first(), first_block_limit_);
 
   for (int i = 1; i < blocks_.length(); i++) {
     v->VisitPointers(blocks_[i], &blocks_[i][kHandleBlockSize]);
   }
 }
 
 
 } }  // namespace v8::internal