text: "use strict";
  Object.defineProperty(exports, "__esModule", { value: true });
  var tslib_1 = require("tslib");
  var expression_1 = require("./expression");
  var p = require("../../core/properties");
  var Stack = /** @class */ (function (_super) {
      tslib_1.__extends(Stack, _super);
      function Stack(attrs) {
          return _super.call(this, attrs) || this;
      }
      Stack.initClass = function () {
          this.prototype.type = "Stack";
          this.define({
              fields: [p.Array, []],
          });
      };
      Stack.prototype._v_compute = function (source) {
          var result = new Float64Array(source.get_length() || 0);
          for (var _i = 0, _a = this.fields; _i < _a.length; _i++) {
              var f = _a[_i];
              for (var i = 0; i < source.data[f].length; i++) {
                  var x = source.data[f][i];
                  result[i] += x;
              }
          }
          return result;
      };
      return Stack;
  }(expression_1.Expression));
  exports.Stack = Stack;
  Stack.initClass();
  