complex.min.js

/*
Complex.js v2.1.1 12/05/2020

Copyright (c) 2022, Robert Eisele (robert@xarg.org)
Dual licensed under the MIT or GPL Version 2 licenses.
*/
(function(q){function n(){throw SyntaxError("Invalid Param");}function p(a,b){var c=Math.abs(a),e=Math.abs(b);if(0===a)return Math.log(e);if(0===b)return Math.log(c);if(3E3>c&&3E3>e)return.5*Math.log(a*a+b*b);a/=2;b/=2;return.5*Math.log(a*a+b*b)+Math.LN2}function d(a,b){if(!(this instanceof d))return new d(a,b);var c={re:0,im:0};if(void 0===a||null===a)c.re=c.im=0;else if(void 0!==b)c.re=a,c.im=b;else switch(typeof a){case "object":"im"in a&&"re"in a?(c.re=a.re,c.im=a.im):"abs"in a&&"arg"in a?!Number.isFinite(a.abs)&&
Number.isFinite(a.arg)?c=d.INFINITY:(c.re=a.abs*Math.cos(a.arg),c.im=a.abs*Math.sin(a.arg)):"r"in a&&"phi"in a?!Number.isFinite(a.r)&&Number.isFinite(a.phi)?c=d.INFINITY:(c.re=a.r*Math.cos(a.phi),c.im=a.r*Math.sin(a.phi)):2===a.length?(c.re=a[0],c.im=a[1]):n();break;case "string":c.im=c.re=0;var e=a.match(/\d+\.?\d*e[+-]?\d+|\d+\.?\d*|\.\d+|./g),f=1,h=0;null===e&&n();for(var l=0;l<e.length;l++){var m=e[l];" "!==m&&"\t"!==m&&"\n"!==m&&("+"===m?f++:"-"===m?h++:("i"===m||"I"===m?(0===f+h&&n()," "===
e[l+1]||isNaN(e[l+1])?c.im+=parseFloat((h%2?"-":"")+"1"):(c.im+=parseFloat((h%2?"-":"")+e[l+1]),l++)):((0===f+h||isNaN(m))&&n(),"i"===e[l+1]||"I"===e[l+1]?(c.im+=parseFloat((h%2?"-":"")+m),l++):c.re+=parseFloat((h%2?"-":"")+m)),f=h=0))}0<f+h&&n();break;case "number":c.im=0;c.re=a;break;default:n()}this.re=c.re;this.im=c.im}var g=Math.cosh||function(a){return 1E-9>Math.abs(a)?1-a:.5*(Math.exp(a)+Math.exp(-a))},k=Math.sinh||function(a){return 1E-9>Math.abs(a)?a:.5*(Math.exp(a)-Math.exp(-a))};d.prototype=
{re:0,im:0,sign:function(){var a=this.abs();return new d(this.re/a,this.im/a)},add:function(a,b){var c=new d(a,b);return this.isInfinite()&&c.isInfinite()?d.NAN:this.isInfinite()||c.isInfinite()?d.INFINITY:new d(this.re+c.re,this.im+c.im)},sub:function(a,b){var c=new d(a,b);return this.isInfinite()&&c.isInfinite()?d.NAN:this.isInfinite()||c.isInfinite()?d.INFINITY:new d(this.re-c.re,this.im-c.im)},mul:function(a,b){var c=new d(a,b);return this.isInfinite()&&c.isZero()||this.isZero()&&c.isInfinite()?
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c-a)/e);c=f/e;e=f*c+e;return new d((a+b*c)/e,(b-a*c)/e)},pow:function(a,b){var c=new d(a,b);a=this.re;b=this.im;if(c.isZero())return d.ONE;if(0===c.im){if(0===b&&0<a)return new d(Math.pow(a,c.re),0);if(0===a)switch((c.re%4+4)%4){case 0:return new d(Math.pow(b,c.re),0);case 1:return new d(0,Math.pow(b,c.re));case 2:return new d(-Math.pow(b,c.re),0);case 3:return new d(0,-Math.pow(b,c.re))}}if(0===a&&0===b&&0<c.re&&0<=c.im)return d.ZERO;var e=Math.atan2(b,a),f=p(a,b);a=Math.exp(c.re*f-c.im*e);b=c.im*
f+c.re*e;return new d(a*Math.cos(b),a*Math.sin(b))},sqrt:function(){var a=this.re,b=this.im,c=this.abs();if(0<=a){if(0===b)return new d(Math.sqrt(a),0);var e=.5*Math.sqrt(2*(c+a))}else e=Math.abs(b)/Math.sqrt(2*(c-a));a=0>=a?.5*Math.sqrt(2*(c-a)):Math.abs(b)/Math.sqrt(2*(c+a));return new d(e,0>b?-a:a)},exp:function(){var a=Math.exp(this.re);return new d(a*Math.cos(this.im),a*Math.sin(this.im))},expm1:function(){var a=this.re,b=this.im,c=Math.expm1(a)*Math.cos(b);var e=Math.PI/4;-e>b||b>e?e=Math.cos(b)-
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e-b*b)/h,(b*e+f*b)/h):new d(-1!==a?a/0:0,0!==b?b/0:0);b=a.re;a.re=p(a.re,a.im)/2;a.im=Math.atan2(a.im,b)/2;c&&(a.im=-a.im);return a},acoth:function(){var a=this.re,b=this.im;if(0===a&&0===b)return new d(0,Math.PI/2);var c=a*a+b*b;return 0!==c?(new d(a/c,-b/c)).atanh():(new d(0!==a?a/0:0,0!==b?-b/0:0)).atanh()},acsch:function(){var a=this.re,b=this.im;if(0===b)return new d(0!==a?Math.log(a+Math.sqrt(a*a+1)):Infinity,0);var c=a*a+b*b;return 0!==c?(new d(a/c,-b/c)).asinh():(new d(0!==a?a/0:0,0!==b?-b/
0:0)).asinh()},asech:function(){var a=this.re,b=this.im;if(this.isZero())return d.INFINITY;var c=a*a+b*b;return 0!==c?(new d(a/c,-b/c)).acosh():(new d(0!==a?a/0:0,0!==b?-b/0:0)).acosh()},inverse:function(){if(this.isZero())return d.INFINITY;if(this.isInfinite())return d.ZERO;var a=this.re,b=this.im,c=a*a+b*b;return new d(a/c,-b/c)},conjugate:function(){return new d(this.re,-this.im)},neg:function(){return new d(-this.re,-this.im)},ceil:function(a){a=Math.pow(10,a||0);return new d(Math.ceil(this.re*
a)/a,Math.ceil(this.im*a)/a)},floor:function(a){a=Math.pow(10,a||0);return new d(Math.floor(this.re*a)/a,Math.floor(this.im*a)/a)},round:function(a){a=Math.pow(10,a||0);return new d(Math.round(this.re*a)/a,Math.round(this.im*a)/a)},equals:function(a,b){var c=new d(a,b);return Math.abs(c.re-this.re)<=d.EPSILON&&Math.abs(c.im-this.im)<=d.EPSILON},clone:function(){return new d(this.re,this.im)},toString:function(){var a=this.re,b=this.im,c="";if(this.isNaN())return"NaN";if(this.isInfinite())return"Infinity";
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d.ZERO=new d(0,0);d.ONE=new d(1,0);d.I=new d(0,1);d.PI=new d(Math.PI,0);d.E=new d(Math.E,0);d.INFINITY=new d(Infinity,Infinity);d.NAN=new d(NaN,NaN);d.EPSILON=1E-15;"function"===typeof define&&define.amd?define([],function(){return d}):"object"===typeof exports?(Object.defineProperty(d,"__esModule",{value:!0}),d["default"]=d,d.Complex=d,module.exports=d):q.Complex=d})(this);