1// Copyright JS Foundation and other contributors, http://js.foundation 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15var p_zero = 0.0; 16var n_zero = -p_zero; 17 18assert(isNaN(Math.log10(NaN))); 19assert(isNaN(Math.log10(-42))); 20assert(isNaN(Math.log10(-3.0))); 21assert(Math.log10(n_zero) === Number.NEGATIVE_INFINITY); 22assert(Math.log10(p_zero) === Number.NEGATIVE_INFINITY); 23assert(Math.log10(1) === p_zero); 24assert(Math.log10(Number.POSITIVE_INFINITY) === Number.POSITIVE_INFINITY); 25assert(Math.log10(10.0) === 1); 26assert(Math.log10(100.0) === 2) 27