Function collapseArray

src/plots/cartesian/autorange.js:602–625

* collapseArray * * Takes items from 'array' and compares them to 'newVal', 'newPad'. * * @param {array} array: * current set of min or max extremes * @param {number} newVal: * new value to compare against * @param {number} newPad: * pad value associated with 'newVal' * @param {object}

(array, newVal, newPad, opts, atLeastAsExtreme)

 * - If the new pt supersedes the item, delete it from 'array'
 */
function collapseArray(array, newVal, newPad, opts, atLeastAsExtreme) {
    var tozero = opts.tozero;
    var extrapad = opts.extrapad;
    var includeThis = true;

    for(var j = 0; j < array.length && includeThis; j++) {
        var v = array[j];
        if(atLeastAsExtreme(v.val, newVal) && v.pad >= newPad && (v.extrapad || !extrapad)) {
            includeThis = false;
            break;
        } else if(atLeastAsExtreme(newVal, v.val) && v.pad <= newPad && (extrapad || !v.extrapad)) {
            array.splice(j, 1);
            j--;
        }
    }
    if(includeThis) {
        var clipAtZero = (tozero && newVal === 0);
        array.push({
            val: newVal,
            pad: clipAtZero ? 0 : newPad,
            extrapad: clipAtZero ? false : extrapad
        });
    }
}

// In order to stop overflow errors, don't consider points
// too close to the limits of js floating point