1 files changed, 0 insertions, 308 deletions
diff --git a/src/toys/euler-golf/js/cx.js b/src/toys/euler-golf/js/cx.js
deleted file mode 100644
index 371415d..0000000
--- a/src/toys/euler-golf/js/cx.js
+++ /dev/null
@@ -1,308 +0,0 @@
-// http://www.russellcottrell.com/fractalsEtc/cx.js
-
-class cx {
-  static degrees(d) {
-    cx._RD = d ? Math.PI / 180 : 1;
-  }
-  // Math.PI/180 for degrees, 1 for radians
-  // applies to i/o (constructor, get/set arg, and toString etc.)
-
-  constructor(x, y, polar) {
-    if (!polar) {
-      this.re = x;
-      this.im = y;
-    } else {
-      y *= cx._RD; // may be radians or degrees
-      this.re = x * Math.cos(y);
-      this.im = x * Math.sin(y);
-    }
-  }
-
-  get abs() {
-    return Math.sqrt(this.re * this.re + this.im * this.im);
-  }
-
-  set abs(r) {
-    var theta = this._arg;
-    this.re = r * Math.cos(theta);
-    this.im = r * Math.sin(theta);
-  }
-
-  get arg() {
-    // returns radians or degrees, non-negative
-    return (
-      ((Math.atan2(this.im, this.re) + 2 * Math.PI) % (2 * Math.PI)) / cx._RD
-    );
-  }
-
-  set arg(theta) {
-    // may be radians or degrees
-    var r = this.abs;
-    this.re = r * Math.cos(theta * cx._RD);
-    this.im = r * Math.sin(theta * cx._RD);
-  }
-
-  get _arg() {
-    // internal; returns radians
-    return Math.atan2(this.im, this.re);
-  }
-
-  static get i() {
-    return new cx(0, 1);
-  }
-
-  static set i(x) {
-    throw new Error("i is read-only");
-  }
-
-  toString(polar) {
-    if (!polar)
-      return (
-        this.re.toString() +
-        (this.im >= 0 ? " + " : " - ") +
-        Math.abs(this.im).toString() +
-        "i"
-      );
-    else return this.abs.toString() + " cis " + this.arg.toString();
-  }
-
-  toPrecision(n, polar) {
-    if (!polar)
-      return (
-        this.re.toPrecision(n) +
-        (this.im >= 0 ? " + " : " - ") +
-        Math.abs(this.im).toPrecision(n) +
-        "i"
-      );
-    else return this.abs.toPrecision(n) + " cis " + this.arg.toPrecision(n);
-  }
-
-  toPrecis(n, polar) {
-    // trims trailing zeros
-    if (!polar)
-      return (
-        parseFloat(this.re.toPrecision(n)).toString() +
-        (this.im >= 0 ? " + " : " - ") +
-        parseFloat(Math.abs(this.im).toPrecision(n)).toString() +
-        "i"
-      );
-    else
-      return (
-        parseFloat(this.abs.toPrecision(n)).toString() +
-        " cis " +
-        parseFloat(this.arg.toPrecision(n)).toString()
-      );
-  }
-
-  toFixed(n, polar) {
-    if (!polar)
-      return (
-        this.re.toFixed(n) +
-        (this.im >= 0 ? " + " : " - ") +
-        Math.abs(this.im).toFixed(n) +
-        "i"
-      );
-    else return this.abs.toFixed(n) + " cis " + this.arg.toFixed(n);
-  }
-
-  toExponential(n, polar) {
-    if (!polar)
-      return (
-        this.re.toExponential(n) +
-        (this.im >= 0 ? " + " : " - ") +
-        Math.abs(this.im).toExponential(n) +
-        "i"
-      );
-    else return this.abs.toExponential(n) + " cis " + this.arg.toExponential(n);
-  }
-
-  static getReals(c, d) {
-    // when c or d may be simple or complex
-    var x, y, u, v;
-    if (c instanceof cx) {
-      x = c.re;
-      y = c.im;
-    } else {
-      x = c;
-      y = 0;
-    }
-    if (d instanceof cx) {
-      u = d.re;
-      v = d.im;
-    } else {
-      u = d;
-      v = 0;
-    }
-    return [x, y, u, v];
-  }
-
-  static conj(c) {
-    return new cx(c.re, -c.im);
-  }
-
-  static neg(c) {
-    return new cx(-c.re, -c.im);
-  }
-
-  static add(c, d) {
-    var a = cx.getReals(c, d);
-    var x = a[0];
-    var y = a[1];
-    var u = a[2];
-    var v = a[3];
-    return new cx(x + u, y + v);
-  }
-
-  static sub(c, d) {
-    var a = cx.getReals(c, d);
-    var x = a[0];
-    var y = a[1];
-    var u = a[2];
-    var v = a[3];
-    return new cx(x - u, y - v);
-  }
-
-  static mult(c, d) {
-    var a = cx.getReals(c, d);
-    var x = a[0];
-    var y = a[1];
-    var u = a[2];
-    var v = a[3];
-    return new cx(x * u - y * v, x * v + y * u);
-  }
-
-  static div(c, d) {
-    var a = cx.getReals(c, d);
-    var x = a[0];
-    var y = a[1];
-    var u = a[2];
-    var v = a[3];
-    return new cx(
-      (x * u + y * v) / (u * u + v * v),
-      (y * u - x * v) / (u * u + v * v)
-    );
-  }
-
-  static pow(c, int) {
-    if (Number.isInteger(int) && int >= 0) {
-      var r = Math.pow(c.abs, int);
-      var theta = int * c._arg;
-      return new cx(r * Math.cos(theta), r * Math.sin(theta));
-    } else return NaN;
-  }
-
-  static root(c, int, k) {
-    if (!k) k = 0;
-    if (
-      Number.isInteger(int) &&
-      int >= 2 &&
-      Number.isInteger(k) &&
-      k >= 0 &&
-      k < int
-    ) {
-      var r = Math.pow(c.abs, 1 / int);
-      var theta = (c._arg + 2 * k * Math.PI) / int;
-      return new cx(r * Math.cos(theta), r * Math.sin(theta));
-    } else return NaN;
-  }
-
-  static log(c) {
-    return new cx(Math.log(c.abs), c._arg);
-  }
-
-  static exp(c) {
-    var r = Math.exp(c.re);
-    var theta = c.im;
-    return new cx(r * Math.cos(theta), r * Math.sin(theta));
-  }
-
-  static sin(c) {
-    var a = c.re;
-    var b = c.im;
-    return new cx(Math.sin(a) * Math.cosh(b), Math.cos(a) * Math.sinh(b));
-  }
-
-  static cos(c) {
-    var a = c.re;
-    var b = c.im;
-    return new cx(Math.cos(a) * Math.cosh(b), -Math.sin(a) * Math.sinh(b));
-  }
-
-  static tan(c) {
-    return cx.div(cx.sin(c), cx.cos(c));
-  }
-
-  static asin(c, k) {
-    if (!k) k = 0;
-    var ic = cx.mult(cx.i, c);
-    var c2 = cx.pow(c, 2);
-    return cx.mult(
-      cx.neg(cx.i),
-      cx.log(cx.add(ic, cx.root(cx.sub(1, c2), 2, k)))
-    );
-  }
-
-  static acos(c, k) {
-    if (!k) k = 0;
-    var c2 = cx.pow(c, 2);
-    return cx.mult(
-      cx.neg(cx.i),
-      cx.log(cx.add(c, cx.mult(cx.i, cx.root(cx.sub(1, c2), 2, k))))
-    );
-  }
-
-  static atan(c) {
-    return cx.mult(
-      cx.div(cx.i, 2),
-      cx.log(cx.div(cx.add(cx.i, c), cx.sub(cx.i, c)))
-    );
-  }
-
-  static sinh(c) {
-    var a = c.re;
-    var b = c.im;
-    return new cx(Math.sinh(a) * Math.cos(b), Math.cosh(a) * Math.sin(b));
-  }
-
-  static cosh(c) {
-    var a = c.re;
-    var b = c.im;
-    return new cx(Math.cosh(a) * Math.cos(b), Math.sinh(a) * Math.sin(b));
-  }
-
-  static tanh(c) {
-    return cx.div(cx.sinh(c), cx.cosh(c));
-  }
-
-  static asinh(c, k) {
-    if (!k) k = 0;
-    var c2 = cx.pow(c, 2);
-    return cx.log(cx.add(c, cx.root(cx.add(c2, 1), 2, k)));
-  }
-
-  static acosh(c, k) {
-    if (!k) k = 0;
-    var c2 = cx.pow(c, 2);
-    return cx.log(cx.add(c, cx.root(cx.sub(c2, 1), 2, k)));
-  }
-
-  static atanh(c) {
-    return cx.mult(cx.div(1, 2), cx.log(cx.div(cx.add(1, c), cx.sub(1, c))));
-  }
-
-  static copy(c) {
-    return new cx(c.re, c.im);
-  }
-
-  static eq(c, d, epsilon) {
-    if (!epsilon) {
-      if (c.re == d.re && c.im == d.im) return true;
-    } else {
-      if (Math.abs(c.re - d.re) < epsilon && Math.abs(c.im - d.im) < epsilon)
-        return true;
-    }
-    return false;
-  }
-}
-
-cx.degrees(true); // need to call this