def p_expression_not(p):
    p[0] = ast.NegateOperator(p[2])
    p[0].set_position(p.lineno(1), p.lexpos(1))
Return the total area for given element.
dataset/ETHPy150Open armon/pypred/pypred/parser.py/p_expression_not--crossover with--dataset/ETHPy150Open scikit-beam/scikit-beam/skbeam/core/fitting/xrf_model.py/sum_area