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Fix smoother splitting condition to use forward radial difference #273

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Fix smoother splitting condition to use forward radial difference #273

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d85d78f
Test Issue #31
julianlitz May 17, 2026
f7f353d
Update solve_tests.cpp
julianlitz May 17, 2026
4dc3ec0
Update pcg_tests.cpp
julianlitz May 17, 2026
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2 changes: 1 addition & 1 deletion src/PolarGrid/polargrid.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -211,7 +211,7 @@ void PolarGrid::initializeLineSplitting(std::optional<double> splitting_radius)
i_r++) { /* We assume lengthRadialSmoother_ >= 3 in the further implementation */
double uniform_theta_k = (2 * M_PI) / ntheta();
double radius_r = radius(i_r);
double radial_dist_h = radius(i_r) - radius(i_r - 1);
double radial_dist_h = radius(i_r + 1) - radius(i_r);
;
double q = uniform_theta_k / radial_dist_h;
if (q * radius_r > 1.0) {
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4 changes: 2 additions & 2 deletions tests/GMGPolar/pcg_tests.cpp
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Expand Up @@ -222,7 +222,7 @@ using gmgpolar_test_suite = testing::Types<
std::integral_constant<ResidualNormType, ResidualNormType::EUCLIDEAN>, // residualNormType
std::integral_constant<double, 1e-8>, // absoluteTolerance
std::integral_constant<double, 1e-8>, // relativeTolerance
std::integral_constant<int, 8>, // expected_iterations
std::integral_constant<int, 7>, // expected_iterations
std::integral_constant<double, 2e-6>, // expected_l2_error
std::integral_constant<double, 9e-6>, // expected_inf_error
std::integral_constant<double, 0.7> // expected_residual_reduction
Expand Down Expand Up @@ -349,7 +349,7 @@ using gmgpolar_test_suite = testing::Types<
std::integral_constant<ResidualNormType, ResidualNormType::INFINITY_NORM>, // residualNormType
std::integral_constant<double, 1e-12>, // absoluteTolerance
std::integral_constant<double, 1e-10>, // relativeTolerance
std::integral_constant<int, 4>, // expected_iterations
std::integral_constant<int, 3>, // expected_iterations
std::integral_constant<double, 6e-6>, // expected_l2_error
std::integral_constant<double, 2e-5>, // expected_inf_error
std::integral_constant<double, 0.3> // expected_residual_reduction
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4 changes: 2 additions & 2 deletions tests/GMGPolar/solve_tests.cpp
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Expand Up @@ -301,7 +301,7 @@ using gmgpolar_test_suite = testing::Types<
std::integral_constant<ResidualNormType, ResidualNormType::INFINITY_NORM>, // residualNormType
std::integral_constant<double, 1e-12>, // absoluteTolerance
std::integral_constant<double, 1e-10>, // relativeTolerance
std::integral_constant<int, 13>, // expected_iterations
std::integral_constant<int, 7>, // expected_iterations
std::integral_constant<double, 6e-6>, // expected_l2_error
std::integral_constant<double, 2e-5>, // expected_inf_error
std::integral_constant<double, 0.3> // expected_residual_reduction
Expand Down Expand Up @@ -508,7 +508,7 @@ using gmgpolar_test_suite = testing::Types<
std::integral_constant<ResidualNormType, ResidualNormType::EUCLIDEAN>, // residualNormType
std::integral_constant<double, 1e-9>, // absoluteTolerance
std::integral_constant<double, 1e-8>, // relativeTolerance
std::integral_constant<int, 8>, // expected_iterations
std::integral_constant<int, 6>, // expected_iterations
std::integral_constant<double, 5e-6>, // expected_l2_error
std::integral_constant<double, 2e-5>, // expected_inf_error
std::integral_constant<double, 0.2> // expected_residual_reduction
Expand Down
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