Land the Fan (disabled)

src/string-stream.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/string-stream.h"
 
 #include "src/handles-inl.h"
 #include "src/prototype.h"
 
 namespace v8 {
@@ skipping 111 matching lines @@
     }
     case 'i': case 'd': case 'u': case 'x': case 'c': case 'X': {
       int value = current.data_.u_int_;
       EmbeddedVector<char, 24> formatted;
       int length = SNPrintF(formatted, temp.start(), value);
       Add(Vector<const char>(formatted.start(), length));
       break;
     }
     case 'f': case 'g': case 'G': case 'e': case 'E': {
       double value = current.data_.u_double_;
-      EmbeddedVector<char, 28> formatted;
-      SNPrintF(formatted, temp.start(), value);
-      Add(formatted.start());
+      int inf = std::isinf(value);
+      if (inf == -1) {
+        Add("-inf");
+      } else if (inf == 1) {
+        Add("inf");
+      } else if (std::isnan(value)) {
+        Add("nan");
+      } else {
+        EmbeddedVector<char, 28> formatted;
+        SNPrintF(formatted, temp.start(), value);
+        Add(formatted.start());
+      }
       break;
     }
     case 'p': {
       void* value = current.data_.u_pointer_;
       EmbeddedVector<char, 20> formatted;
       SNPrintF(formatted, temp.start(), value);
       Add(formatted.start());
       break;
     }
     default:
@@ skipping 398 matching lines @@
   }
   MemCopy(new_space, space_, *bytes);
   *bytes = new_bytes;
   DeleteArray(space_);
   space_ = new_space;
   return new_space;
 }
 
 
 } }  // namespace v8::internal