def _vertex_equations_2D_slice(self, p_vals, x_variable, y_variable, range_x, range_y, log_out): lower = p_vals.copy() upper = p_vals.copy() lower[x_variable] = min(range_x) upper[x_variable] = max(range_x) lower[y_variable] = min(range_y) upper[y_variable] = max(range_y) stack = DSCaseVertexEquationsFor2DSlice(self._swigwrapper, lower._swigwrapper, upper._swigwrapper, x_variable, y_variable, log_out) vertices = [] for i in xrange(DSStackCount(stack)): expressions = DSExpressionArrayFromVoid(DSStackPop(stack)) expr0 = Expression(None) expr0._swigwrapper = DSExpressionAtIndexOfExpressionArray(expressions, 0) expr1 = Expression(None) expr1._swigwrapper = DSExpressionAtIndexOfExpressionArray(expressions, 1) vertices.append(Equations([str(expr0), str(expr1)], latex_symbols=self._latex)) DSSecureFree(expressions) DSStackFree(stack) vertices.reverse() return vertices