Implement Math.sin, cos and tan using table lookup and spline interpolation.

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 9709 matching lines @@
   return CompileLazyHelper(&info, flag);
 }
 
 
 bool JSFunction::EnsureCompiled(Handle<JSFunction> function,
                                 ClearExceptionFlag flag) {
   return function->is_compiled() || CompileLazy(function, flag);
 }
 
 
-bool JSFunction::IsInlineable() {
-  if (IsBuiltin()) return false;
-  SharedFunctionInfo* shared_info = shared();
-  // Check that the function has a script associated with it.
-  if (!shared_info->script()->IsScript()) return false;
-  if (shared_info->optimization_disabled()) return false;
-  Code* code = shared_info->code();
-  if (code->kind() == Code::OPTIMIZED_FUNCTION) return true;
-  // If we never ran this (unlikely) then lets try to optimize it.
-  if (code->kind() != Code::FUNCTION) return true;
-  return code->optimizable();
-}
-
-
 void JSObject::OptimizeAsPrototype(Handle<JSObject> object) {
   if (object->IsGlobalObject()) return;
 
   // Make sure prototypes are fast objects and their maps have the bit set
   // so they remain fast.
   if (!object->HasFastProperties()) {
     TransformToFastProperties(object, 0);
   }
 }
 
@@ skipping 206 matching lines @@
 
 
 Handle<Object> SharedFunctionInfo::GetSourceCode() {
   if (!HasSourceCode()) return GetIsolate()->factory()->undefined_value();
   Handle<String> source(String::cast(Script::cast(script())->source()));
   return GetIsolate()->factory()->NewSubString(
       source, start_position(), end_position());
 }
 
 
+bool SharedFunctionInfo::IsInlineable() {
+  // Check that the function has a script associated with it.
+  if (!script()->IsScript()) return false;
+  if (optimization_disabled()) return false;
+  // If we never ran this (unlikely) then lets try to optimize it.
+  if (code()->kind() != Code::FUNCTION) return true;
+  return code()->optimizable();
+}
+
+
 int SharedFunctionInfo::SourceSize() {
   return end_position() - start_position();
 }
 
 
 int SharedFunctionInfo::CalculateInstanceSize() {
   int instance_size =
       JSObject::kHeaderSize +
       expected_nof_properties() * kPointerSize;
   if (instance_size > JSObject::kMaxInstanceSize) {
@@ skipping 6416 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal