/*
THIS INFRAGISTICS ULTIMATE SOFTWARE LICENSE  AGREEMENT ("AGREEMENT") LOCATED HERE:
https://www.infragistics.com/legal/license/igultimate-la
https://www.infragistics.com/legal/license/igultimate-eula
GOVERNS THE LICENSING, INSTALLATION AND USE OF INFRAGISTICS SOFTWARE. BY DOWNLOADING AND/OR INSTALLING AND USING INFRAGISTICS SOFTWARE:  you are indicating that you have read and understand this Agreement, and agree to be legally bound by it on behalf of the yourself and your company.
*/
import { IndicatorCalculationStrategy } from "./IndicatorCalculationStrategy";
import { String_$type, markType } from "igniteui-react-core/ES2015/type";
import { List$1 } from "igniteui-react-core/ES2015/List$1";
export class NegativeVolumeIndexIndicatorStrategy extends IndicatorCalculationStrategy {
    b(a, b) {
        let c = new List$1(String_$type, 0);
        c.add("CloseColumn");
        c.add("VolumeColumn");
        return c;
    }
    a(a, b) {
        let c = a.closeColumn;
        let d = a.volumeColumn;
        let e = a.indicatorColumn;
        let f = 0;
        let g = 0;
        let h = 0;
        if (e.count > 0) {
            e.item(0, f);
        }
        for (let i = 1; i < e.count; i++) {
            if (d.item(i) < d.item(i - 1)) {
                g = b.i((c.item(i) - c.item(i - 1)) / c.item(i - 1));
                if (h != 0) {
                    f += g * h;
                }
                else {
                    f += g;
                }
            }
            e.item(i, f);
            h = f;
        }
        return true;
    }
}
NegativeVolumeIndexIndicatorStrategy.$t = markType(NegativeVolumeIndexIndicatorStrategy, 'NegativeVolumeIndexIndicatorStrategy', IndicatorCalculationStrategy.$);
