Revert r4591

src/dtoa.cc

Index: src/dtoa.cc
===================================================================
--- src/dtoa.cc	(revision 4591)
+++ src/dtoa.cc	(working copy)
@@ -1,77 +0,0 @@
-// Copyright 2010 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 <math.h>
-
-#include "v8.h"
-#include "dtoa.h"
-
-#include "double.h"
-#include "fast-dtoa.h"
-#include "fixed-dtoa.h"
-
-namespace v8 {
-namespace internal {
-
-bool DoubleToAscii(double v, DtoaMode mode, int requested_digits,
-                   Vector<char> buffer, int* sign, int* length, int* point) {
-  ASSERT(!Double(v).IsSpecial());
-  ASSERT(mode == DTOA_SHORTEST || requested_digits >= 0);
-
-  if (Double(v).Sign() < 0) {
-    *sign = 1;
-    v = -v;
-  } else {
-    *sign = 0;
-  }
-
-  if (v == 0) {
-    buffer[0] = '0';
-    buffer[1] = '\0';
-    *length = 1;
-    *point = 1;
-    return true;
-  }
-
-  if (mode == DTOA_PRECISION && requested_digits == 0) {
-    buffer[0] = '\0';
-    *length = 0;
-    return true;
-  }
-
-  switch (mode) {
-    case DTOA_SHORTEST:
-      return FastDtoa(v, buffer, length, point);
-    case DTOA_FIXED:
-      return FastFixedDtoa(v, requested_digits, buffer, length, point);
-    default:
-      break;
-  }
-  return false;
-}
-
-} }  // namespace v8::internal