//<script type="text/javascript">
+Roo = typeof(Roo) != 'undefined' ? Roo : { util : { }};
+
/**
//+ based on.. Jonas Raoni Soares Silva
//@ http://jsfromhell.com/classes/bignumber [rev. #4]
**/
-Roo = Roo || { util : { }};
-
+
+
+/**
+ * @class Roo.util.Math
+ * based on.. Jonas Raoni Soares Silva
+ * http://jsfromhell.com/classes/bignumber [rev. #4]
+ * @constructor
+ * @param {Object|Number} number to wrap
+ * @param {number} precision to use when doing calculations
+ * @param {number} rounding type.
+ */
Roo.util.Math = function(num, precision, roundType){
- var i;
- if(num instanceof Roo.util.Math){
- var o = this;
- for(i in {precision: 0, roundType: 0, _s: 0, _f: 0}) o[i] = num[i];
- this._d = num._d.slice();
- return;
- }
-
- this.precision = isNaN(precision = Math.abs(precision)) ? Roo.util.Math.defaultPrecision : precision;
- this.roundType = isNaN(r = Math.abs(roundType)) ? Roo.util.Math.defaultRoundType : roundType;
-
- this._s = (num += "").charAt(0) == "-";
- this._f = (
- (num = num.replace(/[^\d.]/g, "").split(".", 2))[0] = num[0].replace(/^0+/, "") || "0"
- ).length;
- for(i = (num = this._d = (num.join("") || "0").split("")).length; i; num[--i] = +num[i]);
- this.round();
+ this.ctor(num,precision, roundType);
};
Roo.util.Math.ROUND_HALF_EVEN = (Roo.util.Math.ROUND_HALF_DOWN = (Roo.util.Math.ROUND_HALF_UP =
_f : 0,
roundType : 0,
precision : 0,
+
+ //private
+ ctor : function (num, precision, roundType) {
+ var i;
+ if(num instanceof Roo.util.Math){
+ var o = this;
+ for(i in {precision: 0, roundType: 0, _s: 0, _f: 0}) o[i] = num[i];
+ this._d = num._d.slice();
+ return;
+ }
+
+ this.precision = isNaN(precision = Math.abs(precision)) ? Roo.util.Math.defaultPrecision : precision;
+ this.roundType = isNaN(r = Math.abs(roundType)) ? Roo.util.Math.defaultRoundType : roundType;
+
+ this._s = (num += "").charAt(0) == "-";
+ this._f = (
+ (num = num.replace(/[^\d.]/g, "").split(".", 2))[0] = num[0].replace(/^0+/, "") || "0"
+ ).length;
+ for(i = (num = this._d = (num.join("") || "0").split("")).length; i; num[--i] = +num[i]);
+ this.round();
+ },
+/**
+ * Add number
+ * @param {Object|Number} value to add
+ * @return {Object} The result
+ */
add : function(num)
{
- num = new Roo.util.Math(num, this.precision, this.roundType);
+ num = new Roo.util.Math(num, this.precision, this.roundType);
if (this._s != num._s) { //netagive...
return num._s ^= 1, this.subtract(num);
- }
+ }
var o = new Roo.util.Math(this),
a = o._d,
lb = num._f,
num = Math.max(la, lb),
i, r;
-
+
la != lb && ((lb = la - lb) > 0 ? o._zeroes(b, lb, 1) : o._zeroes(a, -lb, 1));
- i = (la = a.length) == (lb = b.length) ?
+ i = (la = a.length) == (lb = b.length) ?
a.length : (
(lb = la - lb) > 0 ? o._zeroes(b, lb) : o._zeroes(a, -lb)
).length;
- for(r = 0; i;
+ for(r = 0; i;
r = (a[--i] = a[i] + b[i] + r) / 10 >>> 0,
a[i] %= 10
);
r && ++num && a.unshift(r);
o._f = num;
return o.round();
-
- },
- subtract : function(n){
- if(this._s != (n = new Roo.util.Math(n, this.precision, this.roundType))._s)
- return n._s ^= 1, this.add(n);
- var o = new Roo.util.Math(this), c = o.abs().compare(n.abs()) + 1, a = c ? o : n, b = c ? n : o, la = a._f, lb = b._f, d = la, i, j;
- a = a._d, b = b._d, la != lb && ((lb = la - lb) > 0 ? o._zeroes(b, lb, 1) : o._zeroes(a, -lb, 1));
- for(i = (la = a.length) == (lb = b.length) ? a.length : ((lb = la - lb) > 0 ? o._zeroes(b, lb) : o._zeroes(a, -lb)).length; i;){
- if(a[--i] < b[i]){
- for(j = i; j && !a[--j]; a[j] = 9);
- --a[j], a[i] += 10;
- }
- b[i] = a[i] - b[i];
- }
- return c || (o._s ^= 1), o._f = d, o._d = b, o.round();
- },
- multiply : function(n){
- var o = new Roo.util.Math(this), r = o._d.length >= (n = new Roo.util.Math(n, this.precision, this.roundType))._d.length, a = (r ? o : n)._d,
- b = (r ? n : o)._d, la = a.length, lb = b.length, x = new Roo.util.Math(0,this.precision, this.roundType), i, j, s;
- for(i = lb; i; r && s.unshift(r), x.set(x.add(new Roo.util.Math(s.join(""), this.precision, this.roundType))))
- for(s = (new Array(lb - --i)).join("0").split(""), r = 0, j = la; j; r += a[--j] * b[i], s.unshift(r % 10), r = (r / 10) >>> 0);
- return o._s = o._s != n._s, o._f = ((r = la + lb - o._f - n._f) >= (j = (o._d = x._d).length) ? this._zeroes(o._d, r - j + 1, 1).length : j) - r, o.round();
- },
- divide : function(n){
- if((n = new Roo.util.Math(n, this.precision, this.roundType)) == "0")
- throw new Error("Division by 0");
- else if(this == "0")
- return new Roo.util.Math(0, this.precision, this.roundType);
- var o = new Roo.util.Math(this), a = o._d, b = n._d, la = a.length - o._f,
- lb = b.length - n._f, r = new Roo.util.Math(0, this.precision, this.roundType), i = 0, j, s, l, f = 1, c = 0, e = 0;
- r._s = o._s != n._s, r.precision = Math.max(o.precision, n.precision),
- r._f = +r._d.pop(), la != lb && o._zeroes(la > lb ? b : a, Math.abs(la - lb));
- n._f = b.length, b = n, b._s = false, b = b.round();
- for(n = new Roo.util.Math(0, this.precision, this.roundType); a[0] == "0"; a.shift());
- out:
- do{
- for(l = c = 0, n == "0" && (n._d = [], n._f = 0); i < a.length && n.compare(b) == -1; ++i){
- (l = i + 1 == a.length, (!f && ++c > 1 || (e = l && n == "0" && a[i] == "0")))
- && (r._f == r._d.length && ++r._f, r._d.push(0));
- (a[i] == "0" && n == "0") || (n._d.push(a[i]), ++n._f);
- if(e)
- break out;
- if((l && n.compare(b) == -1 && (r._f == r._d.length && ++r._f, 1)) || (l = 0))
- while(r._d.push(0), n._d.push(0), ++n._f, n.compare(b) == -1);
- }
- if(f = 0, n.compare(b) == -1 && !(l = 0))
- while(l ? r._d.push(0) : l = 1, n._d.push(0), ++n._f, n.compare(b) == -1);
- for(s = new Roo.util.Math(0, this.precision, this.roundType), j = 0; n.compare(y = s.add(b)) + 1 && ++j; s.set(y));
- n.set(n.subtract(s)), !l && r._f == r._d.length && ++r._f, r._d.push(j);
- }
- while((i < a.length || n != "0") && (r._d.length - r._f) <= r.precision);
- return r.round();
- },
- mod : function(n){
- return this.subtract(this.divide(n).intPart().multiply(n));
- },
- pow : function(n){
- var o = new Roo.util.Math(this), i;
- if((n = (new Roo.util.Math(n, this.precision, this.roundType)).intPart()) == 0) return o.set(1);
- for(i = Math.abs(n); --i; o.set(o.multiply(this)));
- return n < 0 ? o.set((new Roo.util.Math(1, this.precision, this.roundType)).divide(o)) : o;
- },
- set : function(n){
- return this.constructor(n), this;
- },
- compare : function(n){
- var a = this, la = this._f, b = new Roo.util.Math(n, this.precision, this.roundType), lb = b._f, r = [-1, 1], i, l;
- if(a._s != b._s)
- return a._s ? -1 : 1;
- if(la != lb)
- return r[(la > lb) ^ a._s];
- for(la = (a = a._d).length, lb = (b = b._d).length, i = -1, l = Math.min(la, lb); ++i < l;)
- if(a[i] != b[i])
- return r[(a[i] > b[i]) ^ a._s];
- return la != lb ? r[(la > lb) ^ a._s] : 0;
- },
- negate : function(){
- var n = new Roo.util.Math(this);
+
+ },
+
+/**
+ * Subtract number
+ * @param {Object|Number} value to subtract
+ * @return {Object} The result
+ */
+
+ subtract : function(n){
+ if(this._s != (n = new Roo.util.Math(n, this.precision, this.roundType))._s)
+ return n._s ^= 1, this.add(n);
+ var o = new Roo.util.Math(this), c = o.abs().compare(n.abs()) + 1, a = c ? o : n, b = c ? n : o, la = a._f, lb = b._f, d = la, i, j;
+ a = a._d, b = b._d, la != lb && ((lb = la - lb) > 0 ? o._zeroes(b, lb, 1) : o._zeroes(a, -lb, 1));
+ for(i = (la = a.length) == (lb = b.length) ? a.length : ((lb = la - lb) > 0 ? o._zeroes(b, lb) : o._zeroes(a, -lb)).length; i;){
+ if(a[--i] < b[i]){
+ for(j = i; j && !a[--j]; a[j] = 9);
+ --a[j], a[i] += 10;
+ }
+ b[i] = a[i] - b[i];
+ }
+ return c || (o._s ^= 1), o._f = d, o._d = b, o.round();
+ },
+
+
+/**
+ * Mulitply number
+ * @param {Object|Number} value to mutiply
+ * @return {Object} The result
+ */
+ multiply : function(n)
+ {
+ var o = new Roo.util.Math(this),
+ r = o._d.length >= (n = new Roo.util.Math(n, this.precision, this.roundType))._d.length,
+ a = (r ? o : n)._d,
+ b = (r ? n : o)._d,
+ la = a.length,
+ lb = b.length,
+ x = new Roo.util.Math(0,this.precision, this.roundType),
+ i, j, s;
+
+ for(i = lb; i;
+ r && s.unshift(r),
+ x.set(x.add(new Roo.util.Math(s.join(""), this.precision, this.roundType)))
+ ) {
+
+ s = (new Array(lb - --i)).join("0").split(""); // pads 000...
+ j = la;
+ for( r = 0 ; j ; r += a[--j] * b[i], s.unshift(r % 10), r = (r / 10) >>> 0);
+
+ // console.log(s);
+ }
+
+ // console.log(o);
+
+ o._s = o._s != n._s;
+ o._f = (
+ (r = la + lb - o._f - n._f) >= (j = (o._d = x._d).length) ?
+ this._zeroes(o._d, r - j + 1, 1).length :
+ j
+ ) - r;
+
+ return o.round();
+ },
+
+ divide : function(n){
+ if((n = new Roo.util.Math(n, this.precision, this.roundType)) == "0")
+ throw new Error("Division by 0");
+ else if(this == "0")
+ return new Roo.util.Math(0, this.precision, this.roundType);
+ var o = new Roo.util.Math(this), a = o._d, b = n._d, la = a.length - o._f,
+ lb = b.length - n._f, r = new Roo.util.Math(0, this.precision, this.roundType), i = 0, j, s, l, f = 1, c = 0, e = 0;
+ r._s = o._s != n._s, r.precision = Math.max(o.precision, n.precision),
+ r._f = +r._d.pop(), la != lb && o._zeroes(la > lb ? b : a, Math.abs(la - lb));
+ n._f = b.length, b = n, b._s = false, b = b.round();
+ for(n = new Roo.util.Math(0, this.precision, this.roundType); a[0] == "0"; a.shift());
+ out:
+ do{
+ for(l = c = 0, n == "0" && (n._d = [], n._f = 0); i < a.length && n.compare(b) == -1; ++i){
+ (l = i + 1 == a.length, (!f && ++c > 1 || (e = l && n == "0" && a[i] == "0")))
+ && (r._f == r._d.length && ++r._f, r._d.push(0));
+ (a[i] == "0" && n == "0") || (n._d.push(a[i]), ++n._f);
+ if(e)
+ break out;
+ if((l && n.compare(b) == -1 && (r._f == r._d.length && ++r._f, 1)) || (l = 0))
+ while(r._d.push(0), n._d.push(0), ++n._f, n.compare(b) == -1);
+ }
+ if(f = 0, n.compare(b) == -1 && !(l = 0))
+ while(l ? r._d.push(0) : l = 1, n._d.push(0), ++n._f, n.compare(b) == -1);
+ for(s = new Roo.util.Math(0, this.precision, this.roundType), j = 0; n.compare(y = s.add(b)) + 1 && ++j; s.set(y));
+ n.set(n.subtract(s)), !l && r._f == r._d.length && ++r._f, r._d.push(j);
+ }
+ while((i < a.length || n != "0") && (r._d.length - r._f) <= r.precision);
+ return r.round();
+ },
+
+/**
+ * Modulus number
+ * @param {Object|Number} value to modulus by
+ * @return {Object} The result
+ */
+
+ mod : function(n){
+ return this.subtract(this.divide(n).intPart().multiply(n));
+ },
+
+/**
+ * To Power number
+ * @param {Object|Number} value to power by
+ * @return {Object} The result
+ */
+ pow : function(n){
+ var o = new Roo.util.Math(this), i;
+ if((n = (new Roo.util.Math(n, this.precision, this.roundType)).intPart()) == 0) return o.set(1);
+ for(i = Math.abs(n); --i; o.set(o.multiply(this)));
+ return n < 0 ? o.set((new Roo.util.Math(1, this.precision, this.roundType)).divide(o)) : o;
+ },
+ /**
+ * Set number
+ * @param {Object|Number} value to set object to
+ * @return {Object} This
+ */
+
+ set : function(n)
+ {
+ this.ctor(n);
+ return this;
+ },
+/**
+ * Compare number
+ * @param {Object|Number} value to compare to
+ * @return {boolean} true if the same
+ */
+
+ compare : function(n){
+ var a = this, la = this._f, b = new Roo.util.Math(n, this.precision, this.roundType), lb = b._f, r = [-1, 1], i, l;
+ if(a._s != b._s)
+ return a._s ? -1 : 1;
+ if(la != lb)
+ return r[(la > lb) ^ a._s];
+ for(la = (a = a._d).length, lb = (b = b._d).length, i = -1, l = Math.min(la, lb); ++i < l;)
+ if(a[i] != b[i])
+ return r[(a[i] > b[i]) ^ a._s];
+ return la != lb ? r[(la > lb) ^ a._s] : 0;
+ },
+/**
+ * negate number
+ * @return {Object} the result
+ */
+ negate : function(){
+ var n = new Roo.util.Math(this);
return n._s ^= 1, n;
- },
- abs : function(){
- var n = new Roo.util.Math(this);
+ },
+/**
+ * abs number
+ * @return {Object} the result
+ */
+ abs : function(){
+ var n = new Roo.util.Math(this);
return n._s = 0, n;
- },
- intPart : function(){
- return new Roo.util.Math((this._s ? "-" : "", this.precision, this.roundType) + (this._d.slice(0, this._f).join("") || "0"));
- },
+ },
+/**
+ * integer part of number
+ * @return {Object} the result
+ */
+ intPart : function(){
+ return new Roo.util.Math((this._s ? "-" : "", this.precision, this.roundType) + (this._d.slice(0, this._f).join("") || "0"));
+ },
+/**
+ * value of thenumber
+ * @return {String} the result
+ */
valueOf : function() {
return this.toString();
},
- toString : function(){
- var o = this;
- return (o._s ? "-" : "") + (o._d.slice(0, o._f).join("") || "0") + (o._f != o._d.length ? "." + o._d.slice(o._f).join("") : "");
- },
+/**
+ * value of the number
+ * @return {String} the result
+ */
+ toString : function(){
+ var o = this;
+ return (o._s ? "-" : "") + (o._d.slice(0, o._f).join("") || "0") + (o._f != o._d.length ? "." + o._d.slice(o._f).join("") : "");
+ },
+/**
+ * value of the number at a fixed precission
+ * @return {String} the result
+ */
toFixed : function(x) {
var n = new Roo.util.Math(this);
n.precision = x;
- return n.round().toString();
- },
- _zeroes : function(n, l, t){
- var s = ["push", "unshift"][t || 0];
- for(++l; --l; n[s](0));
- return n;
- },
- round : function()
+ var ret= n.round().toString();
+ var lr =ret.split('.');
+ var l = lr.shift();
+ if (!x) {
+ return l;
+ }
+ var r = lr.length ? lr[0] : '';
+ for (var i = r.length; i < x; i++) {
+ r+= '0';
+ }
+ return l+'.'+r;
+
+ },
+ //private
+ _zeroes : function(n, l, t){
+ var s = ["push", "unshift"][t || 0];
+ for(++l; --l; n[s](0));
+ return n;
+ },
+ //private
+ round : function()
{
+ var m = Roo.util.Math;
- if("_rounding" in this) return this; // stop recursion..
+ if (typeof(m._rounding) != 'undefined') return this; // stop recursion..
+ m._rounding = true;
- var r = this.roundType,
+ var r = this.roundType,
b = this._d,
d, p, n, x;
- console.log(b.join(','));
- for(this._rounding = true;
- this._f > 1 && !b[0];
- --this._f, b.shift()
- );
- console.log(b.join(','));
+ //console.log(b.join(','));
+ while( this._f > 1 && !b[0]) {
+ --this._f;
+ b.shift();
+ }
+ //console.log(b.join(','));
for(d = this._f,
p = this.precision + d,
n = b[p];
- b.length > d && !b[b.length -1];
- b.pop());
- x = (this._s ? "-" : "") + (p - d ? "0." + this._zeroes([], p - d - 1).join("") : "") + 1;
-
+ b.length > d && !b[b.length -1]; // condition...
+
+ b.pop()
+ );
+
+ x = (this._s ? "-" : "") + (p - d ? "0." + this._zeroes([], p - d - 1).join("") : "") + 1;
- if(b.length > p){
- console.log("rounding");
- n && (r == Roo.util.Math.DOWN ? false : r == Roo.util.Math.UP ? true : r == Roo.util.Math.CEIL ? !this._s
- : r == Roo.util.Math.FLOOR ? this._s : r == Roo.util.Math.HALF_UP ? n >= 5 : r == Roo.util.Math.HALF_DOWN ? n > 5
- : r == Roo.util.Math.HALF_EVEN ? n >= 5 && b[p - 1] & 1 : false) && this.add(x);
- b.splice(p, b.length - p);
- }
- return delete this._rounding, this;
- }
+
+
+ if(b.length > p && typeof(n) != 'undefined') {
+ //if(b.length > p && n){
+ //console.log("rounding" +n + " Method? " + r);
+ if (
+ (r == m.ROUND_UP) ||
+ (r == m.ROUND_CEIL && !this._s) ||
+ (r == m.ROUND_FLOOR && this._s) ||
+ (r == m.ROUND_HALF_UP && n >= 5) ||
+ (r == m.ROUND_HALF_DOWN && n > 5) ||
+ (r == m.ROUND_HALF_EVEN && n >= 5 && (b[p - 1] & 1))
+ ) {
+ //console.log("add" +x);
+ // this.precision++;
+ var ret = this.add(x);
+ this._d = ret._d;
+ b=ret._d;
+ //this.precision--;
+ }
+
+ b.splice(p, b.length - p);
+ }
+ return delete m._rounding, this;
+ }
};
\ No newline at end of file
projects / roojs1 / blobdiff