flow like the river

VISUALIZACION/node_modules/core-js/modules/es6.math.acosh.js

@@ -0,0 +1,18 @@
+// 20.2.2.3 Math.acosh(x)
+var $export = require('./_export');
+var log1p = require('./_math-log1p');
+var sqrt = Math.sqrt;
+var $acosh = Math.acosh;
+
+$export($export.S + $export.F * !($acosh
+  // V8 bug: https://code.google.com/p/v8/issues/detail?id=3509
+  && Math.floor($acosh(Number.MAX_VALUE)) == 710
+  // Tor Browser bug: Math.acosh(Infinity) -> NaN
+  && $acosh(Infinity) == Infinity
+), 'Math', {
+  acosh: function acosh(x) {
+    return (x = +x) < 1 ? NaN : x > 94906265.62425156
+      ? Math.log(x) + Math.LN2
+      : log1p(x - 1 + sqrt(x - 1) * sqrt(x + 1));
+  }
+});