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+/**
+ * \file util.hpp
+ *
+ * \brief Utility macros/functions for testing and debugging purpose.
+ *
+ * Basic usage:
+ * <pre>
+ * BOOST_UBLAS_TEST_DEF( test_case_1 )
+ * {
+ * // do your test stuff
+ * }
+ *
+ * BOOST_UBLAS_TEST_DEF( test_case_2 )
+ * {
+ * // do your test stuff
+ * }
+ *
+ * // ...
+ *
+ * BOOST_UBLAS_TEST_DEF( test_case_n )
+ * {
+ * // do your test stuff
+ * }
+ *
+ * int main()
+ * {
+ * BOOST_UBLAS_TEST_SUITE( "My Test Suite" ); // optional
+ *
+ * BOOST_UBLAS_TEST_BEGIN();
+ * BOOST_UBLAS_TEST_DO( test_case_1 );
+ * BOOST_UBLAS_TEST_DO( test_case_2 );
+ * // ...
+ * BOOST_UBLAS_TEST_DO( test_case_n );
+ * BOOST_UBLAS_TEST_END();
+ * }
+ * </pre>
+ * Inside each <em>test_case_<code>k</code></em> you can use the various
+ * \c BOOST_UBLAS_TEST_CHECK* macros.
+ *
+ * <hr/>
+ *
+ * Copyright (c) 2009-2012, Marco Guazzone
+ *
+ * Distributed under the Boost Software License, Version 1.0. (See
+ * accompanying file LICENSE_1_0.txt or copy at
+ * http://www.boost.org/LICENSE_1_0.txt)
+ *
+ * \author Marco Guazzone, marco.guazzone@gmail.com
+ */
+
+#ifndef BOOST_NUMERIC_UBLAS_TEST_UTILS_HPP
+#define BOOST_NUMERIC_UBLAS_TEST_UTILS_HPP
+
+
+#include <boost/numeric/ublas/detail/config.hpp>
+#include <boost/numeric/ublas/traits.hpp>
+
+#include <boost/math/special_functions/fpclassify.hpp> // isnan, isinf
+
+#include <cmath>
+#include <complex>
+#include <cstddef>
+#include <iostream>
+#include <limits>
+#include <stdexcept>
+
+#define BOOST_UBLAS_NOT_USED(x) (void)(x)
+
+namespace boost { namespace numeric { namespace ublas { namespace test { namespace detail { namespace /*<unnamed>*/ {
+
+ using ::std::abs;
+ using ::std::max;
+
+/// Check if the given complex number is a NaN.
+// read the comments in fpclassify as well
+template <typename T>
+BOOST_UBLAS_INLINE
+bool (isnan)(::std::complex<T> const& z)
+{
+ // According to IEEE, NaN is different even by itself
+ return (z != z) || (boost::math::isnan)(z.real()) || (boost::math::isnan)(z.imag());
+}
+
+/// Check if two (real) numbers are close each other (wrt a given tolerance).
+template <typename T1, typename T2, typename T3>
+BOOST_UBLAS_INLINE
+bool close_to(T1 x, T2 y, T3 tol)
+{
+ typedef typename promote_traits<typename promote_traits<T1,T2>::promote_type,
+ T3>::promote_type real_type;
+
+ if ((boost::math::isnan)(x) || (boost::math::isnan)(y))
+ {
+ // According to IEEE, NaN is different even by itself
+ return false;
+ }
+ return abs(x-y) <= (max(static_cast<real_type>(abs(x)), static_cast<real_type>(abs(y)))*tol);
+}
+
+/// Check if two complex numbers are close each other (wrt a given tolerance).
+template <typename T1, typename T2, typename T3>
+BOOST_UBLAS_INLINE
+bool close_to(::std::complex<T1> const& x, ::std::complex<T2> const& y, T3 tol)
+{
+ typedef typename promote_traits<typename promote_traits<T1,T2>::promote_type,
+ T3>::promote_type real_type;
+
+ if ((isnan)(x) || (isnan)(y))
+ {
+ // According to IEEE, NaN is different even by itself
+ return false;
+ }
+ ::std::complex<real_type> xx(x);
+ ::std::complex<real_type> yy(y);
+
+ return abs(xx-yy) <= (max(abs(xx), abs(yy))*tol);
+}
+
+/// Check if two (real) numbers are close each other (wrt a given tolerance).
+template <typename T1, typename T2, typename T3>
+BOOST_UBLAS_INLINE
+bool rel_close_to(T1 x, T2 y, T3 tol)
+{
+ //typedef typename promote_traits<typename promote_traits<T1,T2>::promote_type,
+ // T3>::promote_type real_type;
+
+ if ((boost::math::isnan)(x) || (boost::math::isnan)(y))
+ {
+ // According to IEEE, NaN is different even by itself
+ return false;
+ }
+ return abs(x-y)/abs(y) <= tol;
+}
+
+/// Check if two complex numbers are close each other (wrt a given tolerance).
+template <typename T1, typename T2, typename T3>
+BOOST_UBLAS_INLINE
+bool rel_close_to(::std::complex<T1> const& x, ::std::complex<T2> const& y, T3 tol)
+{
+ typedef typename promote_traits<typename promote_traits<T1,T2>::promote_type,
+ T3>::promote_type real_type;
+
+ if ((isnan)(x) || (isnan)(y))
+ {
+ // According to IEEE, NaN is different even by itself
+ return false;
+ }
+ ::std::complex<real_type> xx(x);
+ ::std::complex<real_type> yy(y);
+
+ return abs(xx-yy)/abs(yy) <= tol;
+}
+
+}}}}}} // Namespace boost::numeric::ublas::test::detail::<unnamed>
+
+
+/// Expand its argument \a x.
+#define BOOST_UBLAS_TEST_EXPAND_(x) x
+
+
+/// Expand its argument \a x inside parenthesis.
+#define BOOST_UBLAS_TEST_EXPANDP_(x) (x)
+
+
+/// Transform its argument \a x into a string.
+#define BOOST_UBLAS_TEST_STRINGIFY_(x) #x
+
+
+/// Concatenate its two \e string arguments \a x and \a y.
+#define BOOST_UBLAS_TEST_JOIN_(x,y) x ## y
+
+
+/// Output the message \a x if in debug-mode; otherwise output nothing.
+/// Note: we don't use macro expansion inside parenthesis to let \a m be an
+/// expression of the form <code>a &lt;&lt; b</code>.
+#ifndef NDEBUG
+# define BOOST_UBLAS_DEBUG_TRACE(x) ::std::cerr << "[Debug>> " << BOOST_UBLAS_TEST_EXPAND_(x) << ::std::endl
+#else
+# define BOOST_UBLAS_DEBUG_TRACE(x) /**/
+#endif // NDEBUG
+
+
+/// Define the name \a m of the entire test suite.
+#define BOOST_UBLAS_TEST_SUITE(m) ::std::cerr << "--- Test Suite: " << BOOST_UBLAS_TEST_EXPAND_(m) << " ---" << ::std::endl;
+
+
+/// Define the beginning of a test suite.
+#define BOOST_UBLAS_TEST_BEGIN() /* [BOOST_UBLAS_TEST_BEGIN] */ \
+ { \
+ /* Begin of Test Suite */ \
+ ::std::size_t test_fails__(0) \
+ /* [/BOOST_UBLAS_TEST_BEGIN] */
+
+
+/// Define a test case \a x inside the current test suite.
+#define BOOST_UBLAS_TEST_DEF(x) static void BOOST_UBLAS_TEST_EXPAND_(x)(::std::size_t& test_fails__)
+
+
+/// Call the test case \a x.
+#define BOOST_UBLAS_TEST_DO(x) /* [BOOST_UBLAS_TEST_DO] */ \
+ try \
+ { \
+ BOOST_UBLAS_TEST_EXPAND_(x)(test_fails__); \
+ } \
+ catch (::std::exception& e) \
+ { \
+ ++test_fails__; \
+ BOOST_UBLAS_TEST_ERROR( e.what() ); \
+ } \
+ catch (...) \
+ { \
+ ++test_fails__; \
+ } \
+ /* [/BOOST_UBLAS_TEST_DO] */
+
+
+/// Define the end of a test suite and return non-zero value if any test failed.
+#define BOOST_UBLAS_TEST_END() /* [BOOST_UBLAS_TEST_END] */ \
+ if (test_fails__ > 0) \
+ { \
+ ::std::cerr << "Number of failed tests: " << test_fails__ << ::std::endl; \
+ return EXIT_FAILURE; \
+ } \
+ else \
+ { \
+ ::std::cerr << "No failed test" << ::std::endl; \
+ return EXIT_SUCCESS; \
+ } \
+ } /* End of test suite */ \
+ /* [/BOOST_UBLAS_TEST_END] */
+
+
+/// Output the message \a m.
+/// Note: we don't use macro expansion inside parenthesis to let \a m be an
+/// expression of the form <code>a &lt;&lt; b</code>.
+#define BOOST_UBLAS_TEST_TRACE(m) ::std::cerr << "[Info>> " << BOOST_UBLAS_TEST_EXPAND_(m) << ::std::endl
+
+
+/// Check the truth of assertion \a x.
+#define BOOST_UBLAS_TEST_CHECK(x) /* [BOOST_UBLAS_TEST_CHECK] */ \
+ if (!BOOST_UBLAS_TEST_EXPANDP_(x)) \
+ { \
+ BOOST_UBLAS_TEST_ERROR( "Failed assertion: " << BOOST_UBLAS_TEST_STRINGIFY_(x) ); \
+ ++test_fails__; \
+ } \
+ /* [/BOOST_UBLAS_TEST_CHECK] */
+
+
+/// Check for the equality of \a x against \a y.
+#define BOOST_UBLAS_TEST_CHECK_EQ(x,y) /* [BOOST_UBLAS_TEST_CHECK_EQUAL] */ \
+ if (!(BOOST_UBLAS_TEST_EXPANDP_(x) == BOOST_UBLAS_TEST_EXPANDP_(y))) \
+ { \
+ BOOST_UBLAS_TEST_ERROR( "Failed assertion: (" << BOOST_UBLAS_TEST_STRINGIFY_(x) << " == " << BOOST_UBLAS_TEST_STRINGIFY_(y) << ")" ); \
+ ++test_fails__; \
+ } \
+ /* [/BOOST_UBLAS_TEST_CHECK_EQUAL] */
+
+
+/// Alias for macro \c BOOST_UBLAS_TEST_CHECK_EQ (for backward compatibility).
+#define BOOST_UBLAS_TEST_CHECK_EQUAL(x,y) BOOST_UBLAS_TEST_CHECK_EQ(x,y)
+
+
+/// Check that \a x and \a y are close with respect to a given precision \a e.
+#define BOOST_UBLAS_TEST_CHECK_CLOSE(x,y,e) /* [BOOST_UBLAS_TEST_CHECK_CLOSE] */ \
+ if (!::boost::numeric::ublas::test::detail::close_to(BOOST_UBLAS_TEST_EXPAND_(x), BOOST_UBLAS_TEST_EXPAND_(y), BOOST_UBLAS_TEST_EXPAND_(e))) \
+ { \
+ BOOST_UBLAS_TEST_ERROR( "Failed assertion: abs(" << BOOST_UBLAS_TEST_STRINGIFY_(x) << "-" << BOOST_UBLAS_TEST_STRINGIFY_(y) << ") <= " << BOOST_UBLAS_TEST_STRINGIFY_(e) << " [with " << BOOST_UBLAS_TEST_STRINGIFY_(x) << " == " << BOOST_UBLAS_TEST_EXPANDP_(x) << ", " << BOOST_UBLAS_TEST_STRINGIFY_(y) << " == " << BOOST_UBLAS_TEST_EXPANDP_(y) << " and " << BOOST_UBLAS_TEST_STRINGIFY_(e) << " == " << BOOST_UBLAS_TEST_EXPANDP_(e) << "]" ); \
+ ++test_fails__; \
+ } \
+ /* [/BOOST_UBLAS_TEST_CHECK_CLOSE] */
+
+
+/// Alias for macro \c BOOST_UBLAS_TEST_CHECK_CLOSE (for backward compatibility),
+#define BOOST_UBLAS_TEST_CHECK_PRECISION(x,y,e) BOOST_UBLAS_TEST_CHECK_CLOSE(x,y,e)
+
+
+/// Check that \a x is close to \a y with respect to a given relative precision \a e.
+#define BOOST_UBLAS_TEST_CHECK_REL_CLOSE(x,y,e) /* [BOOST_UBLAS_TEST_CHECK_REL_CLOSE] */ \
+ if (!::boost::numeric::ublas::test::detail::rel_close_to(BOOST_UBLAS_TEST_EXPAND_(x), BOOST_UBLAS_TEST_EXPAND_(y), BOOST_UBLAS_TEST_EXPAND_(e))) \
+ { \
+ BOOST_UBLAS_TEST_ERROR( "Failed assertion: abs((" << BOOST_UBLAS_TEST_STRINGIFY_(x) << "-" << BOOST_UBLAS_TEST_STRINGIFY_(y) << ")/" << BOOST_UBLAS_TEST_STRINGIFY_(y) << ") <= " << BOOST_UBLAS_TEST_STRINGIFY_(e) << " [with " << BOOST_UBLAS_TEST_STRINGIFY_(x) << " == " << BOOST_UBLAS_TEST_EXPANDP_(x) << ", " << BOOST_UBLAS_TEST_STRINGIFY_(y) << " == " << BOOST_UBLAS_TEST_EXPANDP_(y) << " and " << BOOST_UBLAS_TEST_STRINGIFY_(e) << " == " << BOOST_UBLAS_TEST_EXPANDP_(e) << "]" ); \
+ ++test_fails__; \
+ } \
+ /* [/BOOST_UBLAS_TEST_CHECK_REL_CLOSE] */
+
+
+/// Alias for macro \c BOOST_UBLAS_TEST_CHECK_REL_CLOSE (for backward compatibility),
+#define BOOST_UBLAS_TEST_CHECK_REL_PRECISION(x,y,e) BOOST_UBLAS_TEST_CHECK_REL_CLOSE(x,y,e)
+
+
+/// Check that elements of \a x and \a y are equal.
+#define BOOST_UBLAS_TEST_CHECK_VECTOR_EQ(x,y,n) /* [BOOST_UBLAS_TEST_CHECK_VECTOR_EQ] */ \
+ if (BOOST_UBLAS_TEST_EXPANDP_(n) > 0) \
+ { \
+ ::std::size_t n__ = BOOST_UBLAS_TEST_EXPAND_(n); \
+ for (::std::size_t i__ = n__; i__ > 0; --i__) \
+ { \
+ if (!(BOOST_UBLAS_TEST_EXPANDP_(x)[n__-i__]==BOOST_UBLAS_TEST_EXPANDP_(y)[n__-i__])) \
+ { \
+ BOOST_UBLAS_TEST_ERROR( "Failed assertion: (" << BOOST_UBLAS_TEST_STRINGIFY_(x[i__]) << "==" << BOOST_UBLAS_TEST_STRINGIFY_(y[i__]) << ")" << " [with " << BOOST_UBLAS_TEST_STRINGIFY_(x[i__]) << " == " << BOOST_UBLAS_TEST_EXPANDP_(x)[n__-i__] << ", " << BOOST_UBLAS_TEST_STRINGIFY_(y[i__]) << " == " << BOOST_UBLAS_TEST_EXPANDP_(y)[n__-i__] << ", " << BOOST_UBLAS_TEST_STRINGIFY_(i__) << " == " << i__ << " and " << BOOST_UBLAS_TEST_STRINGIFY_(n) << " == " << n__ << "]" ); \
+ ++test_fails__; \
+ } \
+ } \
+ } \
+ /* [/BOOST_UBLAS_TEST_CHECK_VECTOR_EQ] */
+
+
+/// Check that elements of \a x and \a y are close with respect to a given precision \a e.
+#define BOOST_UBLAS_TEST_CHECK_VECTOR_CLOSE(x,y,n,e) /* [BOOST_UBLAS_TEST_CHECK_VECTOR_CLOSE] */ \
+ if (BOOST_UBLAS_TEST_EXPANDP_(n) > 0) \
+ { \
+ ::std::size_t n__ = BOOST_UBLAS_TEST_EXPAND_(n); \
+ for (::std::size_t i__ = n__; i__ > 0; --i__) \
+ { \
+ if (!::boost::numeric::ublas::test::detail::close_to(BOOST_UBLAS_TEST_EXPANDP_(x)[n__-i__], BOOST_UBLAS_TEST_EXPANDP_(y)[n__-i__], BOOST_UBLAS_TEST_EXPANDP_(e))) \
+ { \
+ BOOST_UBLAS_TEST_ERROR( "Failed assertion: abs((" << BOOST_UBLAS_TEST_STRINGIFY_(x[i__]) << "-" << BOOST_UBLAS_TEST_STRINGIFY_(y[i__]) << ") <= " << BOOST_UBLAS_TEST_STRINGIFY_(e) << " [with " << BOOST_UBLAS_TEST_STRINGIFY_(x[i__]) << " == " << BOOST_UBLAS_TEST_EXPANDP_(x)[n__-i__] << ", " << BOOST_UBLAS_TEST_STRINGIFY_(y[i__]) << " == " << BOOST_UBLAS_TEST_EXPANDP_(y)[n__-i__] << ", " << BOOST_UBLAS_TEST_STRINGIFY_(i__) << " == " << i__ << " and " << BOOST_UBLAS_TEST_STRINGIFY_(n) << " == " << n__ << "]" ); \
+ ++test_fails__; \
+ } \
+ } \
+ } \
+ /* [/BOOST_UBLAS_TEST_CHECK_VECTOR_CLOSE] */
+
+
+/// Check that elements of \a x and \a y are close with respect to a given relative precision \a e.
+#define BOOST_UBLAS_TEST_CHECK_VECTOR_REL_CLOSE(x,y,n,e) /* [BOOST_UBLAS_TEST_CHECK_VECTOR_REL_CLOSE] */ \
+ if (BOOST_UBLAS_TEST_EXPANDP_(n) > 0) \
+ { \
+ ::std::size_t n__ = BOOST_UBLAS_TEST_EXPAND_(n); \
+ for (::std::size_t i__ = n__; i__ > 0; --i__) \
+ { \
+ if (!::boost::numeric::ublas::test::detail::rel_close_to(BOOST_UBLAS_TEST_EXPANDP_(x)[n__-i__], BOOST_UBLAS_TEST_EXPANDP_(y)[n__-i__], BOOST_UBLAS_TEST_EXPANDP_(e))) \
+ { \
+ BOOST_UBLAS_TEST_ERROR( "Failed assertion: abs((" << BOOST_UBLAS_TEST_STRINGIFY_(x[i__]) << "-" << BOOST_UBLAS_TEST_STRINGIFY_(y[i__]) << ") <= " << BOOST_UBLAS_TEST_STRINGIFY_(e) << " [with " << BOOST_UBLAS_TEST_STRINGIFY_(x[i__]) << " == " << BOOST_UBLAS_TEST_EXPANDP_(x)[n__-i__] << ", " << BOOST_UBLAS_TEST_STRINGIFY_(y[i__]) << " == " << BOOST_UBLAS_TEST_EXPANDP_(y)[n__-i__] << ", " << BOOST_UBLAS_TEST_STRINGIFY_(i__) << " == " << i__ << " and " << BOOST_UBLAS_TEST_STRINGIFY_(n) << " == " << n__ << "]" ); \
+ ++test_fails__; \
+ } \
+ } \
+ } \
+ /* [/BOOST_UBLAS_TEST_CHECK_VECTOR_REL_CLOSE] */
+
+
+/// Check that elements of matrices \a x and \a y are equal.
+#define BOOST_UBLAS_TEST_CHECK_MATRIX_EQ(x,y,nr,nc) /* [BOOST_UBLAS_TEST_CHECK_MATRIX_EQ] */ \
+ for (::std::size_t i__ = 0; i__ < BOOST_UBLAS_TEST_EXPANDP_(nr); ++i__) \
+ { \
+ for (::std::size_t j__ = 0; j__ < BOOST_UBLAS_TEST_EXPANDP_(nc); ++j__) \
+ { \
+ if (!(BOOST_UBLAS_TEST_EXPANDP_(x)(i__,j__)==BOOST_UBLAS_TEST_EXPANDP_(y)(i__,j__))) \
+ { \
+ BOOST_UBLAS_TEST_ERROR( "Failed assertion: (" << BOOST_UBLAS_TEST_STRINGIFY_(x(i__,j__)) << " == " << BOOST_UBLAS_TEST_STRINGIFY_(y(i__,j__)) << ") [with " << BOOST_UBLAS_TEST_STRINGIFY_(x(i__,j__)) << " == " << BOOST_UBLAS_TEST_EXPANDP_(x)(i__,j__) << ", " << BOOST_UBLAS_TEST_STRINGIFY_(y(i__,j__)) << " == " << BOOST_UBLAS_TEST_EXPANDP_(y)(i__,j__) << ", " << BOOST_UBLAS_TEST_STRINGIFY_(i__) << " == " << i__ << ", " << BOOST_UBLAS_TEST_STRINGIFY_(j__) << " == " << BOOST_UBLAS_TEST_EXPANDP_(j__) << ", " << BOOST_UBLAS_TEST_STRINGIFY_(nr) << " == " << BOOST_UBLAS_TEST_EXPANDP_(nr) << " and " << BOOST_UBLAS_TEST_STRINGIFY_(nc) << " == " << BOOST_UBLAS_TEST_EXPANDP_(nc) << "]" ); \
+ ++test_fails__; \
+ } \
+ } \
+ } \
+ /* [/BOOST_UBLAS_TEST_CHECK_MATRIX_EQ] */
+
+
+/// Check that elements of matrices \a x and \a y are close with respect to a given precision \a e.
+#define BOOST_UBLAS_TEST_CHECK_MATRIX_CLOSE(x,y,nr,nc,e) /* [BOOST_UBLAS_TEST_CHECK_MATRIX_CLOSE] */ \
+ for (::std::size_t i__ = 0; i__ < BOOST_UBLAS_TEST_EXPANDP_(nr); ++i__) \
+ { \
+ for (::std::size_t j__ = 0; j__ < BOOST_UBLAS_TEST_EXPANDP_(nc); ++j__) \
+ { \
+ if (!::boost::numeric::ublas::test::detail::close_to(BOOST_UBLAS_TEST_EXPANDP_(x)(i__,j__), BOOST_UBLAS_TEST_EXPANDP_(y)(i__,j__), BOOST_UBLAS_TEST_EXPANDP_(e))) \
+ { \
+ BOOST_UBLAS_TEST_ERROR( "Failed assertion: abs((" << BOOST_UBLAS_TEST_STRINGIFY_(x(i__,j__)) << "-" << BOOST_UBLAS_TEST_STRINGIFY_(y(i__,j__)) << ") <= " << BOOST_UBLAS_TEST_STRINGIFY_(e) << " [with " << BOOST_UBLAS_TEST_STRINGIFY_(x(i__,j__)) << " == " << BOOST_UBLAS_TEST_EXPANDP_(x)(i__,j__) << ", " << BOOST_UBLAS_TEST_STRINGIFY_(y(i__,j__)) << " == " << BOOST_UBLAS_TEST_EXPANDP_(y)(i__,j__) << ", " << BOOST_UBLAS_TEST_STRINGIFY_(i__) << " == " << i__ << ", " << BOOST_UBLAS_TEST_STRINGIFY_(j__) << " == " << BOOST_UBLAS_TEST_EXPANDP_(j__) << ", " << BOOST_UBLAS_TEST_STRINGIFY_(nr) << " == " << BOOST_UBLAS_TEST_EXPANDP_(nr) << " and " << BOOST_UBLAS_TEST_STRINGIFY_(nc) << " == " << BOOST_UBLAS_TEST_EXPANDP_(nc) << "]" ); \
+ ++test_fails__; \
+ } \
+ } \
+ } \
+ /* [/BOOST_UBLAS_TEST_CHECK_MATRIX_CLOSE] */
+
+
+/// Check that elements of matrices \a x and \a y are close with respect to a given relative precision \a e.
+#define BOOST_UBLAS_TEST_CHECK_MATRIX_REL_CLOSE(x,y,nr,nc,e) /* [BOOST_UBLAS_TEST_CHECK_MATRIX_REL_CLOSE] */ \
+ for (::std::size_t i__ = 0; i__ < BOOST_UBLAS_TEST_EXPANDP_(nr); ++i__) \
+ { \
+ for (::std::size_t j__ = 0; j__ < BOOST_UBLAS_TEST_EXPANDP_(nc); ++j__) \
+ { \
+ if (!::boost::numeric::ublas::test::detail::rel_close_to(BOOST_UBLAS_TEST_EXPANDP_(x)(i__,j__), BOOST_UBLAS_TEST_EXPANDP_(y)(i__,j__), BOOST_UBLAS_TEST_EXPANDP_(e))) \
+ { \
+ BOOST_UBLAS_TEST_ERROR( "Failed assertion: abs((" << BOOST_UBLAS_TEST_STRINGIFY_(x(i__,j__)) << "-" << BOOST_UBLAS_TEST_STRINGIFY_(y(i__,j__)) << ") <= " << BOOST_UBLAS_TEST_STRINGIFY_(e) << " [with " << BOOST_UBLAS_TEST_STRINGIFY_(x(i__,j__)) << " == " << BOOST_UBLAS_TEST_EXPANDP_(x)(i__,j__) << ", " << BOOST_UBLAS_TEST_STRINGIFY_(y(i__,j__)) << " == " << BOOST_UBLAS_TEST_EXPANDP_(y)(i__,j__) << ", " << BOOST_UBLAS_TEST_STRINGIFY_(i__) << " == " << i__ << ", " << BOOST_UBLAS_TEST_STRINGIFY_(j__) << " == " << BOOST_UBLAS_TEST_EXPANDP_(j__) << ", " << BOOST_UBLAS_TEST_STRINGIFY_(nr) << " == " << BOOST_UBLAS_TEST_EXPANDP_(nr) << " and " << BOOST_UBLAS_TEST_STRINGIFY_(nc) << " == " << BOOST_UBLAS_TEST_EXPANDP_(nc) << "]" ); \
+ ++test_fails__; \
+ } \
+ } \
+ } \
+ /* [/BOOST_UBLAS_TEST_CHECK_MATRIX_REL_CLOSE] */
+
+///< Output the error message \a x.
+#ifdef _MSC_VER
+# define BOOST_UBLAS_TEST_ERROR(x) ::std::cerr << "[Error (" << __FILE__ << ":" << __FUNCTION__ << ":" << __LINE__ << ")>> " << BOOST_UBLAS_TEST_EXPAND_(x) << ::std::endl
+#else
+# define BOOST_UBLAS_TEST_ERROR(x) ::std::cerr << "[Error (" << __FILE__ << ":" << __func__ << ":" << __LINE__ << ")>> " << BOOST_UBLAS_TEST_EXPAND_(x) << ::std::endl
+#endif
+
+#endif // BOOST_NUMERIC_UBLAS_TEST_UTILS_HPP