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Diffstat (limited to 'includes/js/dojox/math/_base.js')
-rw-r--r-- | includes/js/dojox/math/_base.js | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/includes/js/dojox/math/_base.js b/includes/js/dojox/math/_base.js deleted file mode 100644 index ef2243c..0000000 --- a/includes/js/dojox/math/_base.js +++ /dev/null @@ -1,122 +0,0 @@ -if(!dojo._hasResource["dojox.math._base"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. -dojo._hasResource["dojox.math._base"] = true; -dojo.provide("dojox.math._base"); - -dojo.mixin(dojox.math, { - degreesToRadians: function(/* Number */n){ - // summary - // Convert the passed number to radians. - return (n*Math.PI)/180; // Number - }, - radiansToDegrees: function(/* Number */n){ - // summary - // Convert the passed number to degrees. - return (n*180)/Math.PI; // Number - }, - - factoral: function(/* Number */n){ - // summary - // Return the factoral of n. - if(n<1){ - return 0; // Number - } - var ret=1; - for(var i=1; i<=n; i++){ - ret*=i; - } - return ret; // Number - }, - permutations: function(/* Number */n, /* Number */k){ - // summary - // TODO - if(n==0 || k==0){ - return 1; // Number - } - return (this.factoral(n)/this.factoral(n-k)); - }, - combinations: function(/* Number */n, /* Number */r){ - // summary - // TODO - if(n==0 || r==0){ - return 1; // Number - } - return (this.factoral(n)/(this.factoral(n-r)*this.factoral(r))); // Number - }, - bernstein: function(/* Number */t, /* Number */n, /* Number */ i){ - // summary - // TODO - return (this.combinations(n, i)*Math.pow(t, i)*Math.pow(1-t, n-i)); // Number - }, - gaussian: function(){ - // summary - // Return a random number based on the Gaussian algo. - var k=2; - do{ - var i=2*Math.random()-1; - var j=2*Math.random()-1; - k = i*i+j*j; - }while(k>=1); - return (i * Math.sqrt((-2*Math.log(k))/k)); // Number - }, - - // basic statistics - sd: function(/* Array */a){ - // summary - // Returns the standard deviation of the passed arguments. - return Math.sqrt(this.variance(a)); // Number - }, - variance: function(/* Array */a){ - // summary - // Find the variance in the passed array of numbers. - var mean=0, squares=0; - dojo.forEach(a, function(item){ - mean+=item; - squares+=Math.pow(item,2); - }); - return (squares/a.length)-Math.pow(mean/a.length, 2); // Number - }, - - // create a range of numbers - range: function(/* Number */a, /* Number? */b, /* Number? */step){ - // summary - // Create a range of numbers based on the parameters. - if(arguments.length<2){ - b=a,a=0; - } - var s=step||1; - var range=[]; - if(s>0){ - for(var i=a; i<b; i+=s){ - range.push(i); - } - }else{ - if(s<0){ - for(var i=a; i>b; i+=s){ - range.push(i); - } - }else{ - throw new Error("dojox.math.range: step must not be zero."); - } - } - return range; // Array - }, - distance: function(/* Array */a, /* Array */b){ - // summary - // Calculate the distance between point A and point B - return Math.sqrt(Math.pow(b[0]-a[0],2)+Math.pow(b[1]-a[1],2)); // Number - }, - midpoint: function(/* Array */a, /* Array */b){ - // summary - // Calculate the midpoint between points A and B. A and B may be multidimensional. - if(a.length!=b.length){ - console.error("dojox.math.midpoint: Points A and B are not the same dimensionally.", a, b); - } - var m=[]; - for(var i=0; i<a.length; i++){ - m[i]=(a[i]+b[i])/2; - } - return m; // Array - } -}); - -} |