Replace math.h with cmath

src/objects.cc

 // Copyright 2013 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
@@ skipping 933 matching lines @@
 
 bool Object::SameValue(Object* other) {
   if (other == this) return true;
 
   // The object is either a number, a name, an odd-ball,
   // a real JS object, or a Harmony proxy.
   if (IsNumber() && other->IsNumber()) {
     double this_value = Number();
     double other_value = other->Number();
     return (this_value == other_value) ||
-        (isnan(this_value) && isnan(other_value));
+        (std::isnan(this_value) && std::isnan(other_value));
   }
   if (IsString() && other->IsString()) {
     return String::cast(this)->Equals(String::cast(other));
   }
   return false;
 }
 
 
 void Object::ShortPrint(FILE* out) {
   HeapStringAllocator allocator;
@@ skipping 13419 matching lines @@
       case kSecond: return sec();
       default: UNREACHABLE();
     }
   }
 
   if (index >= kFirstUTCField) {
     return GetUTCField(index, value()->Number(), date_cache);
   }
 
   double time = value()->Number();
-  if (isnan(time)) return GetIsolate()->heap()->nan_value();
+  if (std::isnan(time)) return GetIsolate()->heap()->nan_value();
 
   int64_t local_time_ms = date_cache->ToLocal(static_cast<int64_t>(time));
   int days = DateCache::DaysFromTime(local_time_ms);
 
   if (index == kDays) return Smi::FromInt(days);
 
   int time_in_day_ms = DateCache::TimeInDay(local_time_ms, days);
   if (index == kMillisecond) return Smi::FromInt(time_in_day_ms % 1000);
   ASSERT(index == kTimeInDay);
   return Smi::FromInt(time_in_day_ms);
 }
 
 
 Object* JSDate::GetUTCField(FieldIndex index,
                             double value,
                             DateCache* date_cache) {
   ASSERT(index >= kFirstUTCField);
 
-  if (isnan(value)) return GetIsolate()->heap()->nan_value();
+  if (std::isnan(value)) return GetIsolate()->heap()->nan_value();
 
   int64_t time_ms = static_cast<int64_t>(value);
 
   if (index == kTimezoneOffset) {
     return Smi::FromInt(date_cache->TimezoneOffset(time_ms));
   }
 
   int days = DateCache::DaysFromTime(time_ms);
 
   if (index == kWeekdayUTC) return Smi::FromInt(date_cache->Weekday(days));
@@ skipping 54 matching lines @@
   set_year(Smi::FromInt(year), SKIP_WRITE_BARRIER);
   set_month(Smi::FromInt(month), SKIP_WRITE_BARRIER);
   set_day(Smi::FromInt(day), SKIP_WRITE_BARRIER);
   set_weekday(Smi::FromInt(weekday), SKIP_WRITE_BARRIER);
   set_hour(Smi::FromInt(hour), SKIP_WRITE_BARRIER);
   set_min(Smi::FromInt(min), SKIP_WRITE_BARRIER);
   set_sec(Smi::FromInt(sec), SKIP_WRITE_BARRIER);
 }
 
 } }  // namespace v8::internal