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79 lines
1.5 KiB
79 lines
1.5 KiB
// Copyright(C) 1999-2020, 2022 National Technology & Engineering Solutions
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// of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
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// NTESS, the U.S. Government retains certain rights in this software.
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//
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// See packages/seacas/LICENSE for details
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#pragma once
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#include <cmath>
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class Norm
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{
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public:
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Norm() = default;
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double diff(int order) const
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{
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if (order == 1) {
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return l1_norm_d;
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}
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if (order == 2) {
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return std::sqrt(l2_norm_d);
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}
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else {
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return 0.0;
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}
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}
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double left(int order) const
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{
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if (order == 1) {
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return l1_norm_1;
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}
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if (order == 2) {
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return std::sqrt(l2_norm_1);
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}
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else {
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return 0.0;
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}
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}
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double right(int order) const
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{
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if (order == 1) {
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return l1_norm_2;
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}
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if (order == 2) {
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return std::sqrt(l2_norm_2);
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}
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else {
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return 0.0;
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}
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}
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double relative(int order) const
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{
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double l = left(order);
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double r = right(order);
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double lr_max = l > r ? l : r;
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return diff(order) / lr_max;
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}
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void add_value(double val1, double val2)
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{
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l1_norm_d += std::fabs(val1 - val2);
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l1_norm_1 += std::fabs(val1);
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l1_norm_2 += std::fabs(val2);
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l2_norm_d += (val1 - val2) * (val1 - val2);
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l2_norm_1 += val1 * val1;
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l2_norm_2 += val2 * val2;
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}
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double l1_norm_1{0.0};
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double l1_norm_2{0.0};
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double l1_norm_d{0.0};
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double l2_norm_1{0.0};
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double l2_norm_2{0.0};
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double l2_norm_d{0.0};
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};
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