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e470b13096
Math.log2, Math.log10, Math.log1p, Math.expm1 C implementation ported from fdlibm Part of Issue #3568 JerryScript-DCO-1.0-Signed-off-by: Rafal Walczyna r.walczyna@samsung.com
28 lines
1.1 KiB
JavaScript
28 lines
1.1 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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assert(isNaN(Math.log2(NaN)));
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assert(isNaN(Math.log2(-42)));
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assert(isNaN(Math.log2(-3.0)));
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assert(Math.log2(n_zero) === Number.NEGATIVE_INFINITY);
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assert(Math.log2(p_zero) === Number.NEGATIVE_INFINITY);
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assert(Math.log2(1) === p_zero);
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assert(Math.log2(Number.POSITIVE_INFINITY) === Number.POSITIVE_INFINITY);
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assert(Math.log2(2.0) === 1);
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assert(Math.log2(4.0) === 2)
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assert(Math.log2(1024.0) === 10)
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