import { factory } from '../../utils/factory.js'; import { deepMap } from '../../utils/collection.js'; import { log10Number } from '../../plain/number/index.js'; var name = 'log10'; var dependencies = ['typed', 'config', 'Complex']; export var createLog10 = /* #__PURE__ */factory(name, dependencies, _ref => { var { typed, config, Complex: _Complex } = _ref; /** * Calculate the 10-base logarithm of a value. This is the same as calculating `log(x, 10)`. * * For matrices, the function is evaluated element wise. * * Syntax: * * math.log10(x) * * Examples: * * math.log10(0.00001) // returns -5 * math.log10(10000) // returns 4 * math.log(10000) / math.log(10) // returns 4 * math.pow(10, 4) // returns 10000 * * See also: * * exp, log, log1p, log2 * * @param {number | BigNumber | Complex | Array | Matrix} x * Value for which to calculate the logarithm. * @return {number | BigNumber | Complex | Array | Matrix} * Returns the 10-base logarithm of `x` */ return typed(name, { number: function number(x) { if (x >= 0 || config.predictable) { return log10Number(x); } else { // negative value -> complex value computation return new _Complex(x, 0).log().div(Math.LN10); } }, Complex: function Complex(x) { return new _Complex(x).log().div(Math.LN10); }, BigNumber: function BigNumber(x) { if (!x.isNegative() || config.predictable) { return x.log(); } else { // downgrade to number, return Complex valued result return new _Complex(x.toNumber(), 0).log().div(Math.LN10); } }, 'Array | Matrix': function ArrayMatrix(x) { return deepMap(x, this); } }); });