| // Copyright 2010 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: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include <stdlib.h> |
| |
| #include "src/v8.h" |
| |
| #include "src/base/platform/platform.h" |
| #include "src/double.h" |
| #include "src/fixed-dtoa.h" |
| #include "test/cctest/cctest.h" |
| #include "test/cctest/gay-fixed.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| static const int kBufferSize = 500; |
| |
| TEST(FastFixedVariousDoubles) { |
| char buffer_container[kBufferSize]; |
| Vector<char> buffer(buffer_container, kBufferSize); |
| int length; |
| int point; |
| |
| CHECK(FastFixedDtoa(1.0, 1, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(1.0, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(1.0, 0, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0xFFFFFFFF, 5, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("4294967295", buffer.start())); |
| CHECK_EQ(10, point); |
| |
| CHECK(FastFixedDtoa(4294967296.0, 5, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("4294967296", buffer.start())); |
| CHECK_EQ(10, point); |
| |
| CHECK(FastFixedDtoa(1e21, 5, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| // CHECK_EQ(22, point); |
| CHECK_EQ(22, point); |
| |
| CHECK(FastFixedDtoa(999999999999999868928.00, 2, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("999999999999999868928", buffer.start())); |
| CHECK_EQ(21, point); |
| |
| CHECK(FastFixedDtoa(6.9999999999999989514240000e+21, 5, buffer, |
| &length, &point)); |
| CHECK_EQ(0, strcmp("6999999999999998951424", buffer.start())); |
| CHECK_EQ(22, point); |
| |
| CHECK(FastFixedDtoa(1.5, 5, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("15", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(1.55, 5, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("155", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(1.55, 1, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("16", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(1.00000001, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("100000001", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.1, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(0, point); |
| |
| CHECK(FastFixedDtoa(0.01, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-1, point); |
| |
| CHECK(FastFixedDtoa(0.001, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-2, point); |
| |
| CHECK(FastFixedDtoa(0.0001, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-3, point); |
| |
| CHECK(FastFixedDtoa(0.00001, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-4, point); |
| |
| CHECK(FastFixedDtoa(0.000001, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-5, point); |
| |
| CHECK(FastFixedDtoa(0.0000001, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-6, point); |
| |
| CHECK(FastFixedDtoa(0.00000001, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-7, point); |
| |
| CHECK(FastFixedDtoa(0.000000001, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-8, point); |
| |
| CHECK(FastFixedDtoa(0.0000000001, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-9, point); |
| |
| CHECK(FastFixedDtoa(0.00000000001, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-10, point); |
| |
| CHECK(FastFixedDtoa(0.000000000001, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-11, point); |
| |
| CHECK(FastFixedDtoa(0.0000000000001, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-12, point); |
| |
| CHECK(FastFixedDtoa(0.00000000000001, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-13, point); |
| |
| CHECK(FastFixedDtoa(0.000000000000001, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-14, point); |
| |
| CHECK(FastFixedDtoa(0.0000000000000001, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-15, point); |
| |
| CHECK(FastFixedDtoa(0.00000000000000001, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-16, point); |
| |
| CHECK(FastFixedDtoa(0.000000000000000001, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-17, point); |
| |
| CHECK(FastFixedDtoa(0.0000000000000000001, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-18, point); |
| |
| CHECK(FastFixedDtoa(0.00000000000000000001, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-19, point); |
| |
| CHECK(FastFixedDtoa(0.10000000004, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(0, point); |
| |
| CHECK(FastFixedDtoa(0.01000000004, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-1, point); |
| |
| CHECK(FastFixedDtoa(0.00100000004, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-2, point); |
| |
| CHECK(FastFixedDtoa(0.00010000004, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-3, point); |
| |
| CHECK(FastFixedDtoa(0.00001000004, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-4, point); |
| |
| CHECK(FastFixedDtoa(0.00000100004, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-5, point); |
| |
| CHECK(FastFixedDtoa(0.00000010004, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-6, point); |
| |
| CHECK(FastFixedDtoa(0.00000001004, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-7, point); |
| |
| CHECK(FastFixedDtoa(0.00000000104, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-8, point); |
| |
| CHECK(FastFixedDtoa(0.0000000001000004, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-9, point); |
| |
| CHECK(FastFixedDtoa(0.0000000000100004, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-10, point); |
| |
| CHECK(FastFixedDtoa(0.0000000000010004, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-11, point); |
| |
| CHECK(FastFixedDtoa(0.0000000000001004, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-12, point); |
| |
| CHECK(FastFixedDtoa(0.0000000000000104, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-13, point); |
| |
| CHECK(FastFixedDtoa(0.000000000000001000004, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-14, point); |
| |
| CHECK(FastFixedDtoa(0.000000000000000100004, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-15, point); |
| |
| CHECK(FastFixedDtoa(0.000000000000000010004, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-16, point); |
| |
| CHECK(FastFixedDtoa(0.000000000000000001004, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-17, point); |
| |
| CHECK(FastFixedDtoa(0.000000000000000000104, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-18, point); |
| |
| CHECK(FastFixedDtoa(0.000000000000000000014, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-19, point); |
| |
| CHECK(FastFixedDtoa(0.10000000006, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1000000001", buffer.start())); |
| CHECK_EQ(0, point); |
| |
| CHECK(FastFixedDtoa(0.01000000006, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("100000001", buffer.start())); |
| CHECK_EQ(-1, point); |
| |
| CHECK(FastFixedDtoa(0.00100000006, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("10000001", buffer.start())); |
| CHECK_EQ(-2, point); |
| |
| CHECK(FastFixedDtoa(0.00010000006, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1000001", buffer.start())); |
| CHECK_EQ(-3, point); |
| |
| CHECK(FastFixedDtoa(0.00001000006, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("100001", buffer.start())); |
| CHECK_EQ(-4, point); |
| |
| CHECK(FastFixedDtoa(0.00000100006, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("10001", buffer.start())); |
| CHECK_EQ(-5, point); |
| |
| CHECK(FastFixedDtoa(0.00000010006, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1001", buffer.start())); |
| CHECK_EQ(-6, point); |
| |
| CHECK(FastFixedDtoa(0.00000001006, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("101", buffer.start())); |
| CHECK_EQ(-7, point); |
| |
| CHECK(FastFixedDtoa(0.00000000106, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("11", buffer.start())); |
| CHECK_EQ(-8, point); |
| |
| CHECK(FastFixedDtoa(0.0000000001000006, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("100001", buffer.start())); |
| CHECK_EQ(-9, point); |
| |
| CHECK(FastFixedDtoa(0.0000000000100006, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("10001", buffer.start())); |
| CHECK_EQ(-10, point); |
| |
| CHECK(FastFixedDtoa(0.0000000000010006, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1001", buffer.start())); |
| CHECK_EQ(-11, point); |
| |
| CHECK(FastFixedDtoa(0.0000000000001006, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("101", buffer.start())); |
| CHECK_EQ(-12, point); |
| |
| CHECK(FastFixedDtoa(0.0000000000000106, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("11", buffer.start())); |
| CHECK_EQ(-13, point); |
| |
| CHECK(FastFixedDtoa(0.000000000000001000006, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("100001", buffer.start())); |
| CHECK_EQ(-14, point); |
| |
| CHECK(FastFixedDtoa(0.000000000000000100006, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("10001", buffer.start())); |
| CHECK_EQ(-15, point); |
| |
| CHECK(FastFixedDtoa(0.000000000000000010006, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1001", buffer.start())); |
| CHECK_EQ(-16, point); |
| |
| CHECK(FastFixedDtoa(0.000000000000000001006, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("101", buffer.start())); |
| CHECK_EQ(-17, point); |
| |
| CHECK(FastFixedDtoa(0.000000000000000000106, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("11", buffer.start())); |
| CHECK_EQ(-18, point); |
| |
| CHECK(FastFixedDtoa(0.000000000000000000016, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("2", buffer.start())); |
| CHECK_EQ(-19, point); |
| |
| CHECK(FastFixedDtoa(0.6, 0, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.96, 1, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.996, 2, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.9996, 3, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.99996, 4, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.999996, 5, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.9999996, 6, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.99999996, 7, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.999999996, 8, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.9999999996, 9, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.99999999996, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.999999999996, 11, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.9999999999996, 12, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.99999999999996, 13, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.999999999999996, 14, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.9999999999999996, 15, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(0.00999999999999996, 16, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-1, point); |
| |
| CHECK(FastFixedDtoa(0.000999999999999996, 17, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-2, point); |
| |
| CHECK(FastFixedDtoa(0.0000999999999999996, 18, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-3, point); |
| |
| CHECK(FastFixedDtoa(0.00000999999999999996, 19, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-4, point); |
| |
| CHECK(FastFixedDtoa(0.000000999999999999996, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-5, point); |
| |
| CHECK(FastFixedDtoa(323423.234234, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("323423234234", buffer.start())); |
| CHECK_EQ(6, point); |
| |
| CHECK(FastFixedDtoa(12345678.901234, 4, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("123456789012", buffer.start())); |
| CHECK_EQ(8, point); |
| |
| CHECK(FastFixedDtoa(98765.432109, 5, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("9876543211", buffer.start())); |
| CHECK_EQ(5, point); |
| |
| CHECK(FastFixedDtoa(42, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("42", buffer.start())); |
| CHECK_EQ(2, point); |
| |
| CHECK(FastFixedDtoa(0.5, 0, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(1, point); |
| |
| CHECK(FastFixedDtoa(1e-23, 10, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("", buffer.start())); |
| CHECK_EQ(-10, point); |
| |
| CHECK(FastFixedDtoa(1e-123, 2, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("", buffer.start())); |
| CHECK_EQ(-2, point); |
| |
| CHECK(FastFixedDtoa(1e-123, 0, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("", buffer.start())); |
| CHECK_EQ(0, point); |
| |
| CHECK(FastFixedDtoa(1e-23, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("", buffer.start())); |
| CHECK_EQ(-20, point); |
| |
| CHECK(FastFixedDtoa(1e-21, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("", buffer.start())); |
| CHECK_EQ(-20, point); |
| |
| CHECK(FastFixedDtoa(1e-22, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("", buffer.start())); |
| CHECK_EQ(-20, point); |
| |
| CHECK(FastFixedDtoa(6e-21, 20, buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1", buffer.start())); |
| CHECK_EQ(-19, point); |
| |
| CHECK(FastFixedDtoa(9.1193616301674545152000000e+19, 0, |
| buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("91193616301674545152", buffer.start())); |
| CHECK_EQ(20, point); |
| |
| CHECK(FastFixedDtoa(4.8184662102767651659096515e-04, 19, |
| buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("4818466210276765", buffer.start())); |
| CHECK_EQ(-3, point); |
| |
| CHECK(FastFixedDtoa(1.9023164229540652612705182e-23, 8, |
| buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("", buffer.start())); |
| CHECK_EQ(-8, point); |
| |
| CHECK(FastFixedDtoa(1000000000000000128.0, 0, |
| buffer, &length, &point)); |
| CHECK_EQ(0, strcmp("1000000000000000128", buffer.start())); |
| CHECK_EQ(19, point); |
| } |
| |
| |
| TEST(FastFixedDtoaGayFixed) { |
| char buffer_container[kBufferSize]; |
| Vector<char> buffer(buffer_container, kBufferSize); |
| bool status; |
| int length; |
| int point; |
| |
| Vector<const PrecomputedFixed> precomputed = |
| PrecomputedFixedRepresentations(); |
| for (int i = 0; i < precomputed.length(); ++i) { |
| const PrecomputedFixed current_test = precomputed[i]; |
| double v = current_test.v; |
| int number_digits = current_test.number_digits; |
| status = FastFixedDtoa(v, number_digits, |
| buffer, &length, &point); |
| CHECK(status); |
| CHECK_EQ(current_test.decimal_point, point); |
| CHECK_GE(number_digits, length - point); |
| CHECK_EQ(0, strcmp(current_test.representation, buffer.start())); |
| } |
| } |
| |
| } // namespace internal |
| } // namespace v8 |
