Implement trigonometric functions using a fdlibm port.

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index e58bf5abdb43b79699b32fea96f7fc6f340dfd08..1c0a409e5f7e77a4621230df3e288e9b34620105 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -14,7 +14,7 @@
 #include "src/isolate-inl.h"
 #include "src/natives.h"
 #include "src/snapshot.h"
-#include "src/trig-table.h"
+#include "third_party/fdlibm/fdlibm.h"
 
 namespace v8 {
 namespace internal {
@@ -2628,43 +2628,19 @@ Genesis::Genesis(Isolate* isolate,
                                   NONE).Assert();
 
     // Initialize trigonometric lookup tables and constants.
-    const int table_num_bytes = TrigonometricLookupTable::table_num_bytes();
-    v8::Local<v8::ArrayBuffer> sin_buffer = v8::ArrayBuffer::New(
+    const int constants_size = ARRAY_SIZE(TrigonometricConstants::constants);
+    const int table_num_bytes = constants_size * kDoubleSize;
+    v8::Local<v8::ArrayBuffer> trig_buffer = v8::ArrayBuffer::New(
         reinterpret_cast<v8::Isolate*>(isolate),
-        TrigonometricLookupTable::sin_table(), table_num_bytes);
-    v8::Local<v8::ArrayBuffer> cos_buffer = v8::ArrayBuffer::New(
-        reinterpret_cast<v8::Isolate*>(isolate),
-        TrigonometricLookupTable::cos_x_interval_table(), table_num_bytes);
-    v8::Local<v8::Float64Array> sin_table = v8::Float64Array::New(
-        sin_buffer, 0, TrigonometricLookupTable::table_size());
-    v8::Local<v8::Float64Array> cos_table = v8::Float64Array::New(
-        cos_buffer, 0, TrigonometricLookupTable::table_size());
+        const_cast<double*>(TrigonometricConstants::constants),
+        table_num_bytes);
+    v8::Local<v8::Float64Array> trig_table =
+        v8::Float64Array::New(trig_buffer, 0, constants_size);
 
-    Runtime::DefineObjectProperty(builtins,
-                                  factory()->InternalizeOneByteString(
-                                      STATIC_ASCII_VECTOR("kSinTable")),
-                                  Utils::OpenHandle(*sin_table),
-                                  NONE).Assert();
-    Runtime::DefineObjectProperty(
-        builtins,
-        factory()->InternalizeOneByteString(
-            STATIC_ASCII_VECTOR("kCosXIntervalTable")),
-        Utils::OpenHandle(*cos_table),
-        NONE).Assert();
-    Runtime::DefineObjectProperty(
-        builtins,
-        factory()->InternalizeOneByteString(
-            STATIC_ASCII_VECTOR("kSamples")),
-        factory()->NewHeapNumber(
-            TrigonometricLookupTable::samples()),
-        NONE).Assert();
     Runtime::DefineObjectProperty(
         builtins,
-        factory()->InternalizeOneByteString(
-            STATIC_ASCII_VECTOR("kIndexConvert")),
-        factory()->NewHeapNumber(
-            TrigonometricLookupTable::samples_over_pi_half()),
-        NONE).Assert();
+        factory()->InternalizeOneByteString(STATIC_ASCII_VECTOR("kTrig")),
+        Utils::OpenHandle(*trig_table), NONE).Assert();
   }
 
   result_ = native_context();