test_Linear.cpp File Reference

Unit tests for GMRES and PCG iterative linear solvers in Solver/Linear.hpp. More...

#include "doctest.h"
#include "Solver/Linear.hpp"
#include <Eigen/Dense>
#include <iostream>
#include <iomanip>

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Classes
struct	DVec

Macros
#define	DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN

Functions
	TEST_CASE ("GMRES: solve 3x3 SPD system exactly")
	TEST_CASE ("GMRES: solve 10x10 random SPD system")
	TEST_CASE ("GMRES: diagonal preconditioner improves convergence")
	TEST_CASE ("PCG: solve 5x5 SPD system")

Detailed Description

Unit tests for GMRES and PCG iterative linear solvers in Solver/Linear.hpp.

Tests solve Ax=b for small dense systems where the exact solution is known. Uses a thin Vec wrapper around Eigen::VectorXd.

Definition in file test_Linear.cpp.

Macro Definition Documentation

DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN

#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN

Definition at line 9 of file test_Linear.cpp.

Function Documentation

TEST_CASE() [1/4]

TEST_CASE

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"GMRES: diagonal preconditioner improves convergence"

)

Definition at line 100 of file test_Linear.cpp.

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TEST_CASE() [2/4]

TEST_CASE

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"GMRES: solve 10x10 random SPD system"

)

Definition at line 73 of file test_Linear.cpp.

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TEST_CASE() [3/4]

TEST_CASE

(

"GMRES: solve 3x3 SPD system exactly"

)

Definition at line 44 of file test_Linear.cpp.

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TEST_CASE() [4/4]

TEST_CASE

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"PCG: solve 5x5 SPD system"

)

Definition at line 152 of file test_Linear.cpp.

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