Update V8 to r5901 as required by WebKit r73109
Change-Id: Ic48c5b085ce90e0151e2e7e58c4c5afe87fce9d1
diff --git a/src/dtoa.h b/src/dtoa.h
index be0d545..b3e79af 100644
--- a/src/dtoa.h
+++ b/src/dtoa.h
@@ -32,13 +32,15 @@
namespace internal {
enum DtoaMode {
- // 0.9999999999999999 becomes 0.1
+ // Return the shortest correct representation.
+ // For example the output of 0.299999999999999988897 is (the less accurate but
+ // correct) 0.3.
DTOA_SHORTEST,
- // Fixed number of digits after the decimal point.
+ // Return a fixed number of digits after the decimal point.
// For instance fixed(0.1, 4) becomes 0.1000
// If the input number is big, the output will be big.
DTOA_FIXED,
- // Fixed number of digits (independent of the decimal point).
+ // Return a fixed number of digits, no matter what the exponent is.
DTOA_PRECISION
};
@@ -72,8 +74,10 @@
// which case the caller has to fill the missing digits with '0's.
// Halfway cases are again rounded away from 0.
// 'DoubleToAscii' expects the given buffer to be big enough to hold all digits
-// and a terminating null-character.
-bool DoubleToAscii(double v, DtoaMode mode, int requested_digits,
+// and a terminating null-character. In SHORTEST-mode it expects a buffer of
+// at least kBase10MaximalLength + 1. Otherwise, the size of the output is
+// limited to requested_digits digits plus the null terminator.
+void DoubleToAscii(double v, DtoaMode mode, int requested_digits,
Vector<char> buffer, int* sign, int* length, int* point);
} } // namespace v8::internal