Ensure consistent result of transcendental functions.

src/heap-inl.h

 // 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
@@ skipping 14 matching lines @@
 // (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 V8_HEAP_INL_H_
 #define V8_HEAP_INL_H_
 
 #include "heap.h"
 #include "isolate.h"
 #include "list-inl.h"
 #include "objects.h"
+#include "platform.h"
 #include "v8-counters.h"
 #include "store-buffer.h"
 #include "store-buffer-inl.h"
 
 namespace v8 {
 namespace internal {
 
 void PromotionQueue::insert(HeapObject* target, int size) {
   if (emergency_stack_ != NULL) {
     emergency_stack_->Add(Entry(target, size));
@@ skipping 606 matching lines @@
 
 double TranscendentalCache::SubCache::Calculate(double input) {
   switch (type_) {
     case ACOS:
       return acos(input);
     case ASIN:
       return asin(input);
     case ATAN:
       return atan(input);
     case COS:
-      return cos(input);
+      return fast_cos(input);
     case EXP:
       return exp(input);
     case LOG:
-      return log(input);
+      return fast_log(input);
     case SIN:
-      return sin(input);
+      return fast_sin(input);
     case TAN:
-      return tan(input);
+      return fast_tan(input);
     default:
       return 0.0;  // Never happens.
   }
 }
 
 
 MaybeObject* TranscendentalCache::SubCache::Get(double input) {
   Converter c;
   c.dbl = input;
   int hash = Hash(c);
@@ skipping 102 matching lines @@
 AssertNoAllocation::~AssertNoAllocation() { }
 DisableAssertNoAllocation::DisableAssertNoAllocation() { }
 DisableAssertNoAllocation::~DisableAssertNoAllocation() { }
 
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_INL_H_