special_numbers.cpp File Reference

#include "main.h"

Functions
template<typename Scalar >
void	special_numbers ()
	EIGEN_DECLARE_TEST (special_numbers)

Function Documentation

EIGEN_DECLARE_TEST()

EIGEN_DECLARE_TEST

(

special_numbers

)

                                    {
  for (int i = 0; i < 10 * g_repeat; i++) {
    CALL_SUBTEST_1(special_numbers<float>());
    CALL_SUBTEST_1(special_numbers<double>());
  }
}

References CALL_SUBTEST_1, Eigen::g_repeat, and i.

special_numbers()

template<typename Scalar >

void special_numbers

(

)

                       {
  typedef Matrix<Scalar, Dynamic, Dynamic> MatType;
  int rows = internal::random<int>(1, 300);
  int cols = internal::random<int>(1, 300);
 
  Scalar nan = std::numeric_limits<Scalar>::quiet_NaN();
  Scalar inf = std::numeric_limits<Scalar>::infinity();
  Scalar s1 = internal::random<Scalar>();
 
  MatType m1 = MatType::Random(rows, cols), mnan = MatType::Random(rows, cols), minf = MatType::Random(rows, cols),
          mboth = MatType::Random(rows, cols);
 
  int n = internal::random<int>(1, 10);
  for (int k = 0; k < n; ++k) {
    mnan(internal::random<int>(0, rows - 1), internal::random<int>(0, cols - 1)) = nan;
    minf(internal::random<int>(0, rows - 1), internal::random<int>(0, cols - 1)) = inf;
  }
  mboth = mnan + minf;
 
  VERIFY(!m1.hasNaN());
  VERIFY(m1.allFinite());
 
  VERIFY(mnan.hasNaN());
  VERIFY((s1 * mnan).hasNaN());
  VERIFY(!minf.hasNaN());
  VERIFY(!(2 * minf).hasNaN());
  VERIFY(mboth.hasNaN());
  VERIFY(mboth.array().hasNaN());
 
  VERIFY(!mnan.allFinite());
  VERIFY(!minf.allFinite());
  VERIFY(!(minf - mboth).allFinite());
  VERIFY(!mboth.allFinite());
  VERIFY(!mboth.array().allFinite());
}

References cols, constants::inf, k, m1, n, rows, and VERIFY.