Yonggang Luo
abaf9637d7
Number.EPSILON used as maximal differences. JerryScript-DCO-1.0-Signed-off-by: Yonggang Luo luoyonggang@gmail.com
39 lines
1.2 KiB
JavaScript
39 lines
1.2 KiB
JavaScript
// Copyright JS Foundation and other contributors, http://js.foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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var p_zero = 0.0;
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var n_zero = -p_zero;
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function isSameZero (x, y)
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{
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return x === 0 && (1 / x) === (1 / y);
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}
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function approxEq (x, y)
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{
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return Math.abs(x - y) <= Number.EPSILON * 2
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}
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assert(isNaN(Math.cbrt(NaN)));
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assert(isSameZero(Math.cbrt(p_zero), p_zero));
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assert(isSameZero(Math.cbrt(n_zero), n_zero));
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assert(Math.cbrt(Number.POSITIVE_INFINITY) === Number.POSITIVE_INFINITY);
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assert(Math.cbrt(Number.NEGATIVE_INFINITY) === Number.NEGATIVE_INFINITY);
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assert(Math.cbrt(1.0) === 1.0);
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assert(Math.cbrt(-1.0) === -1.0);
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assert(approxEq(Math.cbrt(27.0), 3.0));
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assert(approxEq(Math.cbrt(0.001), 0.1));
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