summaryrefslogtreecommitdiff
path: root/deps/v8/src/cached-powers.cc
diff options
context:
space:
mode:
authorRyan Dahl <ry@tinyclouds.org>2011-07-08 16:40:11 -0700
committerRyan Dahl <ry@tinyclouds.org>2011-07-08 16:40:11 -0700
commite5564a3f29e0a818832a97c7c3b28d7c8b3b0460 (patch)
tree4b48a6577080d5e44da4d2cbebb7fe7951660de8 /deps/v8/src/cached-powers.cc
parent0df2f74d364826053641395b01c2fcb1345057a9 (diff)
downloadnode-new-e5564a3f29e0a818832a97c7c3b28d7c8b3b0460.tar.gz
Upgrade V8 to 3.4.10
Diffstat (limited to 'deps/v8/src/cached-powers.cc')
-rw-r--r--deps/v8/src/cached-powers.cc12
1 files changed, 8 insertions, 4 deletions
diff --git a/deps/v8/src/cached-powers.cc b/deps/v8/src/cached-powers.cc
index 43dbc7855e..30a67a661b 100644
--- a/deps/v8/src/cached-powers.cc
+++ b/deps/v8/src/cached-powers.cc
@@ -1,4 +1,4 @@
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Copyright 2011 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:
@@ -26,10 +26,12 @@
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <stdarg.h>
+#include <math.h>
#include <limits.h>
-#include "v8.h"
-
+#include "../include/v8stdint.h"
+#include "globals.h"
+#include "checks.h"
#include "cached-powers.h"
namespace v8 {
@@ -147,7 +149,9 @@ void PowersOfTenCache::GetCachedPowerForBinaryExponentRange(
DiyFp* power,
int* decimal_exponent) {
int kQ = DiyFp::kSignificandSize;
- double k = ceiling((min_exponent + kQ - 1) * kD_1_LOG2_10);
+ // Some platforms return incorrect sign on 0 result. We can ignore that here,
+ // which means we can avoid depending on platform.h.
+ double k = ceil((min_exponent + kQ - 1) * kD_1_LOG2_10);
int foo = kCachedPowersOffset;
int index =
(foo + static_cast<int>(k) - 1) / kDecimalExponentDistance + 1;