flow like the river
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VISUALIZACION/node_modules/core-js/modules/es6.math.tanh.js
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VISUALIZACION/node_modules/core-js/modules/es6.math.tanh.js
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// 20.2.2.33 Math.tanh(x)
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var $export = require('./_export');
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var expm1 = require('./_math-expm1');
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var exp = Math.exp;
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$export($export.S, 'Math', {
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tanh: function tanh(x) {
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var a = expm1(x = +x);
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var b = expm1(-x);
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return a == Infinity ? 1 : b == Infinity ? -1 : (a - b) / (exp(x) + exp(-x));
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}
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});
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