public void LinSpace()
{
var m = ColumnWiseMatrix.LinSpace(10, 5, 0.0, 1.0);
DeviceManager.CheckDeviceSanity();
var _m = m.Get <float>();
Assert.IsTrue(System.Math.Abs(_m[0] - 0.0) <= 1e-7);
Assert.IsTrue(System.Math.Abs(_m[_m.Count - 1] - 1.0) <= 1e-7);
}
public void ColumnWiseArgAbsoluteMinMax()
{
ColumnWiseMatrix A = ColumnWiseMatrix.LinSpace(128, 64, -1, 1);
var _A = A.GetMatrix <float>();
var min = A.ColumnWiseAbsoluteMinimumIndex().GetRaw <int>();
var max = A.ColumnWiseAbsoluteMaximumIndex().GetRaw <int>();
int[] _min = new int[A.nCols];
int[] _max = new int[A.nCols];
for (int j = 0; j < A.nCols; j++)
{
_min[j] = _A.Column(j).AbsoluteMinimumIndex();
_max[j] = _A.Column(j).AbsoluteMaximumIndex();
Assert.AreEqual(min[j] - 1, _min[j]);
Assert.AreEqual(max[j] - 1, _max[j]);
}
}
public void AddMatrix()
{
ColumnWiseMatrix m1 = ColumnWiseMatrix.LinSpace(100, 20, -1.0, 1.0);
DeviceManager.CheckDeviceSanity();
var _m1 = m1.GetMatrix <float>();
ColumnWiseMatrix m2 = ColumnWiseMatrix.RandomGaussian(m1.nRows, m1.nCols, 1234);
DeviceManager.CheckDeviceSanity();
var _m2 = m2.GetMatrix <float>();
var m3 = m1 + m2;
DeviceManager.CheckDeviceSanity();
var _m3 = m3.GetMatrix <float>();
for (int i = 0; i < m1.nRows; ++i)
{
for (int j = 0; j < m1.nCols; ++j)
{
Assert.IsTrue(Math.Abs(_m3[i, j] - _m1[i, j] - _m2[i, j]) <= 3e-7, String.Format("i({0}) j({1}) err({2})", i, j, Math.Abs(_m3[i, j] - _m1[i, j] - _m2[i, j])));
}
}
var m4 = ColumnWiseMatrix.Add(m1, m2, alpha: 2.0);
DeviceManager.CheckDeviceSanity();
var _m4 = m4.GetMatrix <float>();
for (int i = 0; i < m1.nRows; ++i)
{
for (int j = 0; j < m1.nCols; ++j)
{
Assert.IsTrue(Math.Abs(_m4[i, j] - _m1[i, j] - 2.0 * _m2[i, j]) <= 5e-7, String.Format("i({0}) j({1}) err({2})", i, j, Math.Abs(_m4[i, j] - _m1[i, j] - 2.0 * _m2[i, j])));
}
}
}