Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(1670)

Unified Diff: test/cctest/test-diy_fp.cc

Issue 804005: Revert grisu commits. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 10 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « test/cctest/SConscript ('k') | test/cctest/test-double.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: test/cctest/test-diy_fp.cc
===================================================================
--- test/cctest/test-diy_fp.cc (revision 4091)
+++ test/cctest/test-diy_fp.cc (working copy)
@@ -1,66 +0,0 @@
-// 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"
-
-using namespace v8::internal;
-
-
-TEST(Subtract) {
- DiyFp diy_fp1 = DiyFp(3, 0);
- DiyFp diy_fp2 = DiyFp(1, 0);
- DiyFp diff = DiyFp::Minus(diy_fp1, diy_fp2);
-
- CHECK(2 == diff.f());
- CHECK_EQ(0, diff.e());
- diy_fp1.Subtract(diy_fp2);
- CHECK(2 == diy_fp1.f());
- CHECK_EQ(0, diy_fp1.e());
-}
-
-
-TEST(Multiply) {
- DiyFp diy_fp1 = DiyFp(3, 0);
- DiyFp diy_fp2 = DiyFp(2, 0);
- DiyFp product = DiyFp::Times(diy_fp1, diy_fp2);
-
- CHECK(0 == product.f());
- CHECK_EQ(64, product.e());
- diy_fp1.Multiply(diy_fp2);
- CHECK(0 == diy_fp1.f());
- CHECK_EQ(64, diy_fp1.e());
-
- diy_fp1 = DiyFp(V8_2PART_UINT64_C(0x80000000, 00000000), 11);
- diy_fp2 = DiyFp(2, 13);
- product = DiyFp::Times(diy_fp1, diy_fp2);
- CHECK(1 == product.f());
- CHECK_EQ(11 + 13 + 64, product.e());
-
- // Test rounding.
- diy_fp1 = DiyFp(V8_2PART_UINT64_C(0x80000000, 00000001), 11);
- diy_fp2 = DiyFp(1, 13);
- product = DiyFp::Times(diy_fp1, diy_fp2);
- CHECK(1 == product.f());
- CHECK_EQ(11 + 13 + 64, product.e());
-
- diy_fp1 = DiyFp(V8_2PART_UINT64_C(0x7fffffff, ffffffff), 11);
- diy_fp2 = DiyFp(1, 13);
- product = DiyFp::Times(diy_fp1, diy_fp2);
- CHECK(0 == product.f());
- CHECK_EQ(11 + 13 + 64, product.e());
-
- // Halfway cases are allowed to round either way. So don't check for it.
-
- // Big numbers.
- diy_fp1 = DiyFp(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF), 11);
- diy_fp2 = DiyFp(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF), 13);
- // 128bit result: 0xfffffffffffffffe0000000000000001
- product = DiyFp::Times(diy_fp1, diy_fp2);
- CHECK(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFe) == product.f());
- CHECK_EQ(11 + 13 + 64, product.e());
-}
« no previous file with comments | « test/cctest/SConscript ('k') | test/cctest/test-double.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698