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Add nonlinearBounded unit test #32296

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46 changes: 46 additions & 0 deletions unit/src/NestedSolveTest.C
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,8 @@

#include "libmesh/vector_value.h"

#include <utility>

TEST(NestedSolve, FixedSize)
{
auto compute = [&](const NestedSolve::Value<2> & guess,
Expand Down Expand Up @@ -200,6 +202,50 @@ TEST(NestedSolve, ScalarPowellTight)
EXPECT_NEAR(solution, 2, 1e-6);
}

TEST(NestedSolve, ScalarBounded)
{
auto computeResidual = [&](const Real & guess, Real & residual) { residual = guess - 2.0; };
auto computeJacobian = [&](const Real & /*guess*/, Real & jacobian) { jacobian = 1.0; };

bool bounds_checked = false;
auto computeBounds = [&]()
{
bounds_checked = true;
return std::make_pair(1.0, 3.0);
};

NestedSolve solver;
Real solution = 1.5;
solver.nonlinearBounded(solution, computeResidual, computeJacobian, computeBounds);

EXPECT_TRUE(bounds_checked);
EXPECT_NEAR(solution, 2.0, 1e-10);
EXPECT_GE(solution, 1.0);
EXPECT_LE(solution, 3.0);
}

TEST(NestedSolve, ScalarBoundedAD)
{
auto computeResidual = [&](const ADReal & guess, ADReal & residual) { residual = guess - 2.0; };
auto computeJacobian = [&](const ADReal & /*guess*/, ADReal & jacobian) { jacobian = 1.0; };

bool bounds_checked = false;
auto computeBounds = [&]()
{
bounds_checked = true;
return std::make_pair(1.0, 3.0);
};

ADNestedSolve solver;
ADReal solution = 1.5;
solver.nonlinearBounded(solution, computeResidual, computeJacobian, computeBounds);

EXPECT_TRUE(bounds_checked);
EXPECT_NEAR(MetaPhysicL::raw_value(solution), 2.0, 1e-10);
EXPECT_GE(MetaPhysicL::raw_value(solution), 1.0);
EXPECT_LE(MetaPhysicL::raw_value(solution), 3.0);
}

TEST(NestedSolve, PlacementNew)
{
Eigen::Matrix<Real, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor> em(3, 3);
Expand Down