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update components
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22 changed files with 368 additions and 90 deletions
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@ -83,18 +83,27 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
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},
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_calcStep: function(value) {
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/**
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* if we calculate the step using
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* `Math.round(value / step) * step` we may hit a precision point issue
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* eg. 0.1 * 0.2 = 0.020000000000000004
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* http://docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html
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*
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* as a work around we can divide by the reciprocal of `step`
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*/
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// polymer/issues/2493
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value = parseFloat(value);
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return this.step ? (Math.round((value + this.min) / this.step) -
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(this.min / this.step)) / (1 / this.step) : value;
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if (!this.step) {
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return value;
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}
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var numSteps = Math.round((value - this.min) / this.step);
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if (this.step < 1) {
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/**
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* For small values of this.step, if we calculate the step using
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* `Math.round(value / step) * step` we may hit a precision point issue
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* eg. 0.1 * 0.2 = 0.020000000000000004
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* http://docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html
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*
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* as a work around we can divide by the reciprocal of `step`
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*/
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return numSteps / (1 / this.step) + this.min;
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} else {
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return numSteps * this.step + this.min;
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}
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},
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_validateValue: function() {
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