Clazz.declarePackage ("JU");
Clazz.load (null, "JU.Modulation", ["java.lang.Float", "java.util.Hashtable", "JU.AU", "JU.Escape", "$.Logger"], function () {
c$ = Clazz.decorateAsClass (function () {
this.qCoefs = null;
this.a1 = 0;
this.a2 = 0;
this.center = 0;
this.left = 0;
this.right = 0;
this.order = 0;
this.axis = '\0';
this.type = '\0';
this.params = null;
this.utens = null;
this.delta2 = 0;
Clazz.instantialize (this, arguments);
}, JU, "Modulation");
Clazz.makeConstructor (c$, 
function (axis, type, params, utens, qCoefs) {
JU.Logger.info ("MOD create " + JU.Escape.e (qCoefs) + " axis=" + axis + " type=" + type + " params=" + JU.Escape.e (params) + " utens=" + utens);
this.axis = axis;
this.type = type;
this.utens = utens;
this.params = params;
this.qCoefs = qCoefs;
switch (type) {
case 'm':
case 'f':
case 'o':
case 'u':
this.a1 = params[0];
this.a2 = params[1];
break;
case 'l':
case 'L':
this.a1 = params[2];
this.order = Clazz.doubleToInt (params[3]);
this.calcLegendre (this.order);
case 't':
case 's':
case 'c':
this.center = params[0];
this.delta2 = params[1] / 2;
if (this.delta2 > 0.5) this.delta2 = 0.5;
this.left = this.center - this.delta2;
this.right = this.center + this.delta2;
if (this.left < 0) this.left += 1;
if (this.right > 1) this.right -= 1;
if (this.left >= this.right && this.left - this.right < 0.01) this.left = this.right + 0.01;
if (this.a1 == 0) {
this.a1 = params[2] / this.delta2;
}break;
}
}, "~S,~S,~A,~S,~A");
Clazz.defineMethod (c$, "apply", 
function (ms, t) {
var v = 0;
var nt = 0;
var isSpin = false;
for (var i = this.qCoefs.length; --i >= 0; ) nt += this.qCoefs[i] * t[i][0];

switch (this.type) {
case 'm':
isSpin = true;
case 'f':
case 'o':
case 'u':
var theta = 6.283185307179586 * nt;
if (this.a1 != 0) v += this.a1 * Math.sin (theta);
if (this.a2 != 0) v += this.a2 * Math.cos (theta);
if (JU.Logger.debuggingHigh) JU.Logger.info ("MOD " + ms.id + " " + JU.Escape.e (this.qCoefs) + " axis=" + this.axis + " v=" + v + " csin,ccos=" + this.a1 + "," + this.a2 + " / theta=" + theta);
break;
case 'L':
case 'l':
ms.occAbsolute = true;
nt -= Math.floor (nt);
if (!this.range (nt)) {
ms.vOcc = 0;
return;
}ms.vOcc = 1;
var x = (nt - this.center) / this.delta2;
x = ((x + 1) % 2) + (x < -1 ? 1 : -1);
var xp = 1;
var p = JU.Modulation.legendre[this.order];
var i = 0;
var n = p.length;
while (true) {
v += p[i] * xp;
if (++i == n) break;
xp *= x;
}
v *= this.a1;
break;
case 'c':
ms.occAbsolute = true;
ms.vOcc = (this.range (nt - Math.floor (nt)) ? 1 : 0);
return;
case 't':
isSpin = true;
case 's':
ms.occAbsolute = true;
nt -= Math.floor (nt);
if (!this.range (nt)) {
ms.vOcc = 0;
return;
}ms.vOcc = 1;
if (this.left > this.right) {
if (nt < this.left && this.left < this.center) nt += 1;
 else if (nt > this.right && this.right > this.center) nt -= 1;
}v = this.a1 * (nt - this.center);
break;
}
if (isSpin) {
var f = ms.axesLengths;
if (f == null) System.out.println ("Modulation.java axis error");
switch (this.axis) {
case 'x':
ms.mxyz.x += v / f[0];
break;
case 'y':
ms.mxyz.y += v / f[1];
break;
case 'z':
ms.mxyz.z += v / f[2];
break;
}
} else {
switch (this.axis) {
case 'x':
ms.x += v;
break;
case 'y':
ms.y += v;
break;
case 'z':
ms.z += v;
break;
case 'U':
ms.addUTens (this.utens, v);
break;
default:
if (Float.isNaN (ms.vOcc)) ms.vOcc = 0;
ms.vOcc += v;
}
}}, "JU.ModulationSet,~A");
Clazz.defineMethod (c$, "range", 
 function (x4) {
return (this.left < this.right ? this.left <= x4 && x4 <= this.right : this.left <= x4 || x4 <= this.right);
}, "~N");
Clazz.defineMethod (c$, "getInfo", 
function () {
var info =  new java.util.Hashtable ();
info.put ("type", "" + this.type + this.axis);
info.put ("params", this.params);
info.put ("qCoefs", this.qCoefs);
if (this.utens != null) info.put ("Utens", this.utens);
return info;
});
Clazz.defineMethod (c$, "calcLegendre", 
function (m) {
var n = JU.Modulation.legendre.length;
if (n > m) return;
m += 3;
var l = JU.AU.newDouble2 (m + 1);
for (var i = 0; i < n; i++) l[i] = JU.Modulation.legendre[i];

for (; n <= m; n++) {
var p = l[n] =  Clazz.newDoubleArray (n + 1, 0);
for (var i = 0; i < n; i++) {
p[i + 1] = (2 * n - 1) * l[n - 1][i] / n;
if (i < n - 1) p[i] += (1 - n) * l[n - 2][i] / n;
}
}
JU.Modulation.legendre = l;
}, "~N");
Clazz.defineStatics (c$,
"TWOPI", 6.283185307179586,
"TYPE_DISP_FOURIER", 'f',
"TYPE_SPIN_FOURIER", 'm',
"TYPE_SPIN_SAWTOOTH", 't',
"TYPE_DISP_SAWTOOTH", 's',
"TYPE_OCC_FOURIER", 'o',
"TYPE_OCC_CRENEL", 'c',
"TYPE_U_FOURIER", 'u',
"TYPE_DISP_LEGENDRE", 'l',
"TYPE_U_LEGENDRE", 'L',
"legendre",  Clazz.newArray (-1, [ Clazz.newDoubleArray (-1, [1]),  Clazz.newDoubleArray (-1, [0, 1])]));
});
