Revert of Remove obsolete V8_INFINITY macro.

test/cctest/test-double.cc

 // Copyright 2006-2008 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 85 matching lines @@
   uint64_t min_double64 = V8_2PART_UINT64_C(0x00000000, 00000001);
   CHECK(Double(min_double64).IsDenormal());
   uint64_t bits = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF);
   CHECK(Double(bits).IsDenormal());
   bits = V8_2PART_UINT64_C(0x00100000, 00000000);
   CHECK(!Double(bits).IsDenormal());
 }
 
 
 TEST(IsSpecial) {
-  CHECK(Double(std::numeric_limits<double>::infinity()).IsSpecial());
-  CHECK(Double(-std::numeric_limits<double>::infinity()).IsSpecial());
+  CHECK(Double(V8_INFINITY).IsSpecial());
+  CHECK(Double(-V8_INFINITY).IsSpecial());
   CHECK(Double(v8::base::OS::nan_value()).IsSpecial());
   uint64_t bits = V8_2PART_UINT64_C(0xFFF12345, 00000000);
   CHECK(Double(bits).IsSpecial());
   // Denormals are not special:
   CHECK(!Double(5e-324).IsSpecial());
   CHECK(!Double(-5e-324).IsSpecial());
   // And some random numbers:
   CHECK(!Double(0.0).IsSpecial());
   CHECK(!Double(-0.0).IsSpecial());
   CHECK(!Double(1.0).IsSpecial());
   CHECK(!Double(-1.0).IsSpecial());
   CHECK(!Double(1000000.0).IsSpecial());
   CHECK(!Double(-1000000.0).IsSpecial());
   CHECK(!Double(1e23).IsSpecial());
   CHECK(!Double(-1e23).IsSpecial());
   CHECK(!Double(1.7976931348623157e308).IsSpecial());
   CHECK(!Double(-1.7976931348623157e308).IsSpecial());
 }
 
 
 TEST(IsInfinite) {
-  CHECK(Double(std::numeric_limits<double>::infinity()).IsInfinite());
-  CHECK(Double(-std::numeric_limits<double>::infinity()).IsInfinite());
+  CHECK(Double(V8_INFINITY).IsInfinite());
+  CHECK(Double(-V8_INFINITY).IsInfinite());
   CHECK(!Double(v8::base::OS::nan_value()).IsInfinite());
   CHECK(!Double(0.0).IsInfinite());
   CHECK(!Double(-0.0).IsInfinite());
   CHECK(!Double(1.0).IsInfinite());
   CHECK(!Double(-1.0).IsInfinite());
   uint64_t min_double64 = V8_2PART_UINT64_C(0x00000000, 00000001);
   CHECK(!Double(min_double64).IsInfinite());
 }
 
 
 TEST(Sign) {
   CHECK_EQ(1, Double(1.0).Sign());
-  CHECK_EQ(1, Double(std::numeric_limits<double>::infinity()).Sign());
-  CHECK_EQ(-1, Double(-std::numeric_limits<double>::infinity()).Sign());
+  CHECK_EQ(1, Double(V8_INFINITY).Sign());
+  CHECK_EQ(-1, Double(-V8_INFINITY).Sign());
   CHECK_EQ(1, Double(0.0).Sign());
   CHECK_EQ(-1, Double(-0.0).Sign());
   uint64_t min_double64 = V8_2PART_UINT64_C(0x00000000, 00000001);
   CHECK_EQ(1, Double(min_double64).Sign());
 }
 
 
 TEST(NormalizedBoundaries) {
   DiyFp boundary_plus;
   DiyFp boundary_minus;
@@ skipping 63 matching lines @@
 TEST(NextDouble) {
   CHECK_EQ(4e-324, Double(0.0).NextDouble());
   CHECK_EQ(0.0, Double(-0.0).NextDouble());
   CHECK_EQ(-0.0, Double(-4e-324).NextDouble());
   Double d0(-4e-324);
   Double d1(d0.NextDouble());
   Double d2(d1.NextDouble());
   CHECK_EQ(-0.0, d1.value());
   CHECK_EQ(0.0, d2.value());
   CHECK_EQ(4e-324, d2.NextDouble());
-  CHECK_EQ(-1.7976931348623157e308,
-           Double(-std::numeric_limits<double>::infinity()).NextDouble());
-  CHECK_EQ(std::numeric_limits<double>::infinity(),
+  CHECK_EQ(-1.7976931348623157e308, Double(-V8_INFINITY).NextDouble());
+  CHECK_EQ(V8_INFINITY,
            Double(V8_2PART_UINT64_C(0x7fefffff, ffffffff)).NextDouble());
 }