44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
(function ($) {
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'use strict';
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var saturated = {
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saturate: function (a) {
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if (a === Infinity) {
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return Number.MAX_VALUE;
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}
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if (a === -Infinity) {
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return -Number.MAX_VALUE;
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}
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return a;
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},
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delta: function(min, max, noTicks) {
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return ((max - min) / noTicks) === Infinity ? (max / noTicks - min / noTicks) : (max - min) / noTicks
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},
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multiply: function (a, b) {
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return saturated.saturate(a * b);
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},
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// returns c * bInt * a. Beahves properly in the case where c is negative
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// and bInt * a is bigger that Number.MAX_VALUE (Infinity)
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multiplyAdd: function (a, bInt, c) {
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if (isFinite(a * bInt)) {
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return saturated.saturate(a * bInt + c);
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} else {
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var result = c;
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for (var i = 0; i < bInt; i++) {
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result += a;
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}
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return saturated.saturate(result);
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}
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},
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// round to nearby lower multiple of base
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floorInBase: function(n, base) {
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return base * Math.floor(n / base);
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}
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};
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$.plot.saturated = saturated;
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})(jQuery);
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