Remove Gay's dtoa from sources.

test/cctest/test-conversions.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 
 #include <stdlib.h>
 
 #include "v8.h"
 
 #include "platform.h"
 #include "cctest.h"
 
 using namespace v8::internal;
@@ skipping 123 matching lines @@
   // double. Check chat z = (x + y) / 2 is rounded to x...
   CHECK_EQ(24414062505131248.0,
            StringToDouble("24414062505131250.0", NO_FLAGS));
 
   // ... and z = (x + y) / 2 + delta is rounded to y.
   CHECK_EQ(24414062505131252.0,
            StringToDouble("24414062505131250.000000001", NO_FLAGS));
 }
 
 
-extern "C" double gay_strtod(const char* s00, const char** se);
-
-
 TEST(MaximumSignificantDigits) {
   char num[] =
       "4.4501477170144020250819966727949918635852426585926051135169509"
       "122872622312493126406953054127118942431783801370080830523154578"
       "251545303238277269592368457430440993619708911874715081505094180"
       "604803751173783204118519353387964161152051487413083163272520124"
       "606023105869053620631175265621765214646643181420505164043632222"
       "668006474326056011713528291579642227455489682133472873831754840"
       "341397809846934151055619529382191981473003234105366170879223151"
       "087335413188049110555339027884856781219017754500629806224571029"
       "581637117459456877330110324211689177656713705497387108207822477"
       "584250967061891687062782163335299376138075114200886249979505279"
       "101870966346394401564490729731565935244123171539810221213221201"
       "847003580761626016356864581135848683152156368691976240370422601"
       "6998291015625000000000000000000000000000000000e-308";
 
-  CHECK_EQ(gay_strtod(num, NULL), StringToDouble(num, NO_FLAGS));
+  CHECK_EQ(4.4501477170144017780491e-308, StringToDouble(num, NO_FLAGS));
 
   // Changes the result of strtod (at least in glibc implementation).
   num[sizeof(num) - 8] = '1';
 
-  CHECK_EQ(gay_strtod(num, NULL), StringToDouble(num, NO_FLAGS));
+  CHECK_EQ(4.4501477170144022721148e-308, StringToDouble(num, NO_FLAGS));
 }
 
 TEST(MinimumExponent) {
   // Same test but with different point-position.
   char num[] =
   "445014771701440202508199667279499186358524265859260511351695091"
   "228726223124931264069530541271189424317838013700808305231545782"
   "515453032382772695923684574304409936197089118747150815050941806"
   "048037511737832041185193533879641611520514874130831632725201246"
   "060231058690536206311752656217652146466431814205051640436322226"
   "680064743260560117135282915796422274554896821334728738317548403"
   "413978098469341510556195293821919814730032341053661708792231510"
   "873354131880491105553390278848567812190177545006298062245710295"
   "816371174594568773301103242116891776567137054973871082078224775"
   "842509670618916870627821633352993761380751142008862499795052791"
   "018709663463944015644907297315659352441231715398102212132212018"
   "470035807616260163568645811358486831521563686919762403704226016"
   "998291015625000000000000000000000000000000000e-1108";
 
-  CHECK_EQ(gay_strtod(num, NULL), StringToDouble(num, NO_FLAGS));
+  CHECK_EQ(4.4501477170144017780491e-308, StringToDouble(num, NO_FLAGS));
 
   // Changes the result of strtod (at least in glibc implementation).
   num[sizeof(num) - 8] = '1';
 
-  CHECK_EQ(gay_strtod(num, NULL), StringToDouble(num, NO_FLAGS));
+  CHECK_EQ(4.4501477170144022721148e-308, StringToDouble(num, NO_FLAGS));
 }
 
 
 TEST(MaximumExponent) {
   char num[] = "0.16e309";
 
-  CHECK_EQ(gay_strtod(num, NULL), StringToDouble(num, NO_FLAGS));
+  CHECK_EQ(1.59999999999999997765e+308, StringToDouble(num, NO_FLAGS));
 }
 
 
 TEST(ExponentNumberStr) {
   CHECK_EQ(1e1, StringToDouble("1e1", NO_FLAGS));
   CHECK_EQ(1e1, StringToDouble("1e+1", NO_FLAGS));
   CHECK_EQ(1e-1, StringToDouble("1e-1", NO_FLAGS));
   CHECK_EQ(1e100, StringToDouble("1e+100", NO_FLAGS));
   CHECK_EQ(1e-100, StringToDouble("1e-100", NO_FLAGS));
   CHECK_EQ(1e-106, StringToDouble(".000001e-100", NO_FLAGS));
@@ skipping 29 matching lines @@
     CHECK(EightBit1::is_valid(i));
     x = EightBit1::encode(i);
     CHECK_EQ(i, EightBit1::decode(x));
     CHECK(EightBit2::is_valid(i));
     x = EightBit2::encode(i);
     CHECK_EQ(i, EightBit2::decode(x));
   }
   CHECK(!EightBit1::is_valid(256));
   CHECK(!EightBit2::is_valid(256));
 }