| 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());
|
| -}
|
|
|