Index: test/cctest/test-diy_fp.cc |
=================================================================== |
--- test/cctest/test-diy_fp.cc (revision 4127) |
+++ test/cctest/test-diy_fp.cc (working copy) |
@@ -1,67 +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()); // NOLINT |
- CHECK_EQ(0, diff.e()); |
- diy_fp1.Subtract(diy_fp2); |
- CHECK(2 == diy_fp1.f()); // NOLINT |
- 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()); // NOLINT |
- CHECK_EQ(64, product.e()); |
- diy_fp1.Multiply(diy_fp2); |
- CHECK(0 == diy_fp1.f()); // NOLINT |
- 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()); // NOLINT |
- 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()); // NOLINT |
- 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()); // NOLINT |
- 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()); |
-} |