Integration tests

Tests which combine many QuEST API functions to perform computations using relatively large Quregs, validated against known analytic results. More...

Functions
	TEST_CASE ("density evolution", TEST_TAG)

Detailed Description

Tests which combine many QuEST API functions to perform computations using relatively large Quregs, validated against known analytic results.

Function Documentation

TEST_CASE()

TEST_CASE	(	"density evolution"	,
		TEST_TAG	)

Definition at line 232 of file densitymatrix.cpp.

                                           {
 
    auto deployments = getSupportedDeployments();
    
    // try all combination of statevec and density-matrix deploments
    for (auto [rhoDeploy, rhoMPI, rhoGPU, rhoOMP] : deployments) {
        for (auto [psiDeploy, psiMPI, psiGPU, psiOMP] : deployments) {
 
            // some combinations are illegal
            if (psiMPI && !rhoMPI)
                continue; 
 
            // Qureg size determined by slowest deployment
            int numQubits = 6;
            if (rhoMPI && rhoMPI) numQubits = 12;
            if (rhoOMP && rhoOMP) numQubits = 12;
            if (rhoGPU && psiGPU) numQubits = 14;
 
            auto label = (
                "rho = " + rhoDeploy + ", " +
                "psi = " + psiDeploy + ", " +
                "qubits = " + std::to_string(numQubits));
 
            DYNAMIC_SECTION( label ) {
 
                Qureg psi = createCustomQureg(numQubits, 0, psiMPI,psiGPU,psiOMP);
                Qureg rho = createCustomQureg(numQubits, 1, rhoMPI,rhoGPU,rhoOMP);
 
                testDensityMatrixEvolution(psi, rho);
 
                destroyQureg(psi);
                destroyQureg(rho);
            }
        }
    }
}