// https://d3js.org/d3-chord/ v1.0.6 Copyright 2018 Mike Bostock
!function(n,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports,require("d3-array"),require("d3-path")):"function"==typeof define&&define.amd?define(["exports","d3-array","d3-path"],t):t(n.d3=n.d3||{},n.d3,n.d3)}(this,function(n,t,r){"use strict";var e=Math.cos,u=Math.sin,o=Math.PI,a=o/2,l=2*o,i=Math.max;var c=Array.prototype.slice;function f(n){return function(){return n}}function s(n){return n.source}function p(n){return n.target}function h(n){return n.radius}function d(n){return n.startAngle}function g(n){return n.endAngle}n.chord=function(){var n=0,r=null,e=null,u=null;function o(o){var a,c,f,s,p,h,d=o.length,g=[],v=t.range(d),y=[],A=[],x=A.groups=new Array(d),b=new Array(d*d);for(a=0,p=-1;++p<d;){for(c=0,h=-1;++h<d;)c+=o[p][h];g.push(c),y.push(t.range(d)),a+=c}for(r&&v.sort(function(n,t){return r(g[n],g[t])}),e&&y.forEach(function(n,t){n.sort(function(n,r){return e(o[t][n],o[t][r])})}),s=(a=i(0,l-n*d)/a)?n:l/d,c=0,p=-1;++p<d;){for(f=c,h=-1;++h<d;){var M=v[p],m=y[M][h],q=o[M][m],_=c,C=c+=q*a;b[m*d+M]={index:M,subindex:m,startAngle:_,endAngle:C,value:q}}x[M]={index:M,startAngle:f,endAngle:c,value:g[M]},c+=s}for(p=-1;++p<d;)for(h=p-1;++h<d;){var P=b[h*d+p],T=b[p*d+h];(P.value||T.value)&&A.push(P.value<T.value?{source:T,target:P}:{source:P,target:T})}return u?A.sort(u):A}return o.padAngle=function(t){return arguments.length?(n=i(0,t),o):n},o.sortGroups=function(n){return arguments.length?(r=n,o):r},o.sortSubgroups=function(n){return arguments.length?(e=n,o):e},o.sortChords=function(n){return arguments.length?(null==n?u=null:(t=n,u=function(n,r){return t(n.source.value+n.target.value,r.source.value+r.target.value)})._=n,o):u&&u._;var t},o},n.ribbon=function(){var n=s,t=p,o=h,l=d,i=g,v=null;function y(){var f,s=c.call(arguments),p=n.apply(this,s),h=t.apply(this,s),d=+o.apply(this,(s[0]=p,s)),g=l.apply(this,s)-a,y=i.apply(this,s)-a,A=d*e(g),x=d*u(g),b=+o.apply(this,(s[0]=h,s)),M=l.apply(this,s)-a,m=i.apply(this,s)-a;if(v||(v=f=r.path()),v.moveTo(A,x),v.arc(0,0,d,g,y),g===M&&y===m||(v.quadraticCurveTo(0,0,b*e(M),b*u(M)),v.arc(0,0,b,M,m)),v.quadraticCurveTo(0,0,A,x),v.closePath(),f)return v=null,f+""||null}return y.radius=function(n){return arguments.length?(o="function"==typeof n?n:f(+n),y):o},y.startAngle=function(n){return arguments.length?(l="function"==typeof n?n:f(+n),y):l},y.endAngle=function(n){return arguments.length?(i="function"==typeof n?n:f(+n),y):i},y.source=function(t){return arguments.length?(n=t,y):n},y.target=function(n){return arguments.length?(t=n,y):t},y.context=function(n){return arguments.length?(v=null==n?null:n,y):v},y},Object.defineProperty(n,"__esModule",{value:!0})});