Rename grisu to fast_dtoa. Get rid of template.

test/cctest/test-fast-dtoa.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 
 #include <stdlib.h>
 
 #include "v8.h"
 
 #include "platform.h"
 #include "cctest.h"
 #include "diy_fp.h"
 #include "double.h"
+#include "fast-dtoa.h"
 #include "gay_shortest.h"
-#include "grisu3.h"
 
 using namespace v8::internal;
 
 static const int kBufferSize = 100;
 
-TEST(GrisuVariousDoubles) {
+TEST(FastDtoaVariousDoubles) {
   char buffer[kBufferSize];
   int sign;
   int length;
   int point;
   int status;
 
   double min_double = 5e-324;
-  status = grisu3(min_double, buffer, &sign, &length, &point);
+  status = FastDtoa(min_double, buffer, &sign, &length, &point);
   CHECK(status);
   CHECK_EQ(0, sign);
   CHECK_EQ("5", buffer);
   CHECK_EQ(-323, point);
 
   double max_double = 1.7976931348623157e308;
-  status = grisu3(max_double, buffer, &sign, &length, &point);
+  status = FastDtoa(max_double, buffer, &sign, &length, &point);
   CHECK(status);
   CHECK_EQ(0, sign);
   CHECK_EQ("17976931348623157", buffer);
   CHECK_EQ(309, point);
 
-  status = grisu3(4294967272.0, buffer, &sign, &length, &point);
+  status = FastDtoa(4294967272.0, buffer, &sign, &length, &point);
   CHECK(status);
   CHECK_EQ(0, sign);
   CHECK_EQ("4294967272", buffer);
   CHECK_EQ(10, point);
 
-  status = grisu3(4.1855804968213567e298, buffer, &sign, &length, &point);
+  status = FastDtoa(4.1855804968213567e298, buffer, &sign, &length, &point);
   CHECK(status);
   CHECK_EQ(0, sign);
   CHECK_EQ("4185580496821357", buffer);
   CHECK_EQ(299, point);
 
-  status = grisu3(5.5626846462680035e-309, buffer, &sign, &length, &point);
+  status = FastDtoa(5.5626846462680035e-309, buffer, &sign, &length, &point);
   CHECK(status);
   CHECK_EQ(0, sign);
   CHECK_EQ("5562684646268003", buffer);
   CHECK_EQ(-308, point);
 
-  status = grisu3(2147483648.0, buffer, &sign, &length, &point);
+  status = FastDtoa(2147483648.0, buffer, &sign, &length, &point);
   CHECK(status);
   CHECK_EQ(0, sign);
   CHECK_EQ("2147483648", buffer);
   CHECK_EQ(10, point);
 
-  status = grisu3(3.5844466002796428e+298, buffer, &sign, &length, &point);
-  if (status) {  // Not all grisu3 variants manage to compute this number.
+  status = FastDtoa(3.5844466002796428e+298, buffer, &sign, &length, &point);
+  if (status) {  // Not all FastDtoa variants manage to compute this number.
     CHECK_EQ("35844466002796428", buffer);
     CHECK_EQ(0, sign);
     CHECK_EQ(299, point);
   }
 
   uint64_t smallest_normal64 = V8_2PART_UINT64_C(0x00100000, 00000000);
   double v = Double(smallest_normal64).value();
-  status = grisu3(v, buffer, &sign, &length, &point);
+  status = FastDtoa(v, buffer, &sign, &length, &point);
   if (status) {
     CHECK_EQ(0, sign);
     CHECK_EQ("22250738585072014", buffer);
     CHECK_EQ(-307, point);
   }
 
   uint64_t largest_denormal64 = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF);
   v = Double(largest_denormal64).value();
-  status = grisu3(v, buffer, &sign, &length, &point);
+  status = FastDtoa(v, buffer, &sign, &length, &point);
   if (status) {
     CHECK_EQ(0, sign);
     CHECK_EQ("2225073858507201", buffer);
     CHECK_EQ(-307, point);
   }
 }
 
 
-TEST(GrisuGayShortest) {
+TEST(FastDtoaGayShortest) {
   char buffer[kBufferSize];
   bool status;
   int sign;
   int length;
   int point;
   int succeeded = 0;
   int total = 0;
   bool needed_max_length = false;
 
   Vector<const GayShortest> precomputed = PrecomputedShortestRepresentations();
   for (int i = 0; i < precomputed.length(); ++i) {
     const GayShortest current_test = precomputed[i];
     total++;
     double v = current_test.v;
-    status = grisu3(v, buffer, &sign, &length, &point);
-    CHECK_GE(kGrisu3MaximalLength, length);
+    status = FastDtoa(v, buffer, &sign, &length, &point);
+    CHECK_GE(kFastDtoaMaximalLength, length);
     if (!status) continue;
-    if (length == kGrisu3MaximalLength) needed_max_length = true;
+    if (length == kFastDtoaMaximalLength) needed_max_length = true;
     succeeded++;
     CHECK_EQ(0, sign);  // All precomputed numbers are positive.
     CHECK_EQ(current_test.decimal_point, point);
     CHECK_EQ(current_test.representation, buffer);
   }
   CHECK_GT(succeeded*1.0/total, 0.99);
   CHECK(needed_max_length);
 }