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/// \file Tsqr_CombineTest.hpp
/// \brief Test accuracy of TSQR::Combine
///
/// TSQR::Combine implements two structured QR factorizations: [R1;
/// R2] (where R1 and R2 are both square and upper triangular) and [R;
/// A] (where R is square and upper triangular, and A is a general
/// dense matrix). This file implements accuracy tests for both
/// versions.
#ifndef __TSQR_Test_CombineTest_hpp
#define __TSQR_Test_CombineTest_hpp
#include <Tsqr_ConfigDefs.hpp>
namespace TSQR {
namespace Test {
/// \brief Test accuracy of TSQR::Combine.
///
/// Test the accuracy of TSQR::Combine, and print the results to
/// stdout. Rather than template on Ordinal and Scalar, as with
/// the full TSQR tests, we pick Ordinal=int and try four
/// different Scalar types (the same four that LAPACK supports:
/// double, float, complex<double>, complex<float> -- i.e.,
/// S,D,C,Z).
///
/// \param numRows [in] When testing the [R; A] routines, the
/// number of rows in the cache block A.
///
/// \param numCols [in] Number of columns in the test matrices.
///
/// \param testReal [in] Whether or not to test TSQR::Combine for
/// real arithmetic. For now, this means Scalar={float,double}.
///
/// \param testComplex [in] Whether or not to test TSQR::Combine
/// for complex arithmetic. For now, this means
/// Scalar={std::complex<float>, std::complex<double>}.
///
/// \param printFieldNames [in] Whether to print field names (to
/// make machine parsing of results easier).
///
/// \param simulateSequentialTsqr [in] Whether to use
/// TSQR::Combine to simulate SequentialTsqr.
///
/// \param debug [in] Whether to print (possibly verbose)
/// debugging output to stderr.
///
/// \note This routine will only test Combine if at least one of
/// testReal and testComplex is true.
void
verifyCombine (const int numRows,
const int numCols,
const bool testReal,
const bool testComplex,
const bool printFieldNames,
const bool simulateSequentialTsqr,
const bool debug);
} // namespace Test
} // namespace TSQR
#endif // __TSQR_Test_CombineTest_hpp
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