public void ReShape()
{
var np = new NumPyGeneric <int>();
var n = np.reshape(np.arange(6), 3, 2);
Assert.IsTrue(n[0, 0] == 0);
Assert.IsTrue(n[1, 1] == 3);
Assert.IsTrue(n[2, 1] == 5);
// Assert.IsTrue(np2.ToString().Equals("array([[0, 1], [2, 3], [4, 5]])"));
n = np.reshape(np.arange(6), 2, 3, 1);
Assert.IsTrue(n[1, 1, 0] == 4);
Assert.IsTrue(n[1, 2, 0] == 5);
n = np.reshape(np.arange(12), 2, 3, 2);
Assert.IsTrue(n[0, 0, 1] == 1);
Assert.IsTrue(n[1, 0, 1] == 7);
Assert.IsTrue(n[1, 1, 0] == 8);
n = np.reshape(np.arange(12), 3, 4);
Assert.IsTrue(n[1, 1] == 5);
Assert.IsTrue(n[2, 0] == 8);
n = np.reshape(n, 2, 6);
Assert.IsTrue(n[1, 0] == 6);
}
public void absolute()
{
var np = new NumPyGeneric <double>();
//2D
var n = np.arange(-2, 2).reshape(2, 2);
var n1 = np.absolute(n);
Assert.IsTrue(n1[0, 0] == 2);
Assert.IsTrue(n1[0, 1] == 1);
Assert.IsTrue(n1[1, 0] == 0);
Assert.IsTrue(n1[1, 1] == 1);
//3D
n = np.arange(-4, 4).reshape(2, 2, 2);
n1 = np.absolute(n);
Assert.IsTrue(n1[0, 0, 0] == 4);
Assert.IsTrue(n1[0, 0, 1] == 3);
Assert.IsTrue(n1[1, 0, 0] == 0);
Assert.IsTrue(n1[1, 1, 1] == 3);
//4D
n = np.arange(-12, 12).reshape(2, 3, 2, 2);
n1 = np.absolute(n);
Assert.IsTrue(n1[0, 0, 0, 0] == 12);
Assert.IsTrue(n1[0, 1, 0, 0] == 8);
Assert.IsTrue(n1[1, 2, 1, 1] == 11);
Assert.IsTrue(n1[1, 2, 0, 1] == 9);
}
public void amin0axis()
{
var nd2 = new NDArrayGeneric <double>();
nd2 = np.arange(1000 * 8 * 8 * 8).reshape(1000, 8, 8, 8);
//var nd3 = nd2.AMin(0);
}
public void HStackNDArrays()
{
//1D
var np = new NumPyGeneric <double>();
var n1 = np.array(new double[] { 1, 2, 3 });
var n2 = np.array(new double[] { 2, 3, 4 });
var n = np.hstack(n1, n2);
Assert.IsTrue(n.Size == (n1.Size + n2.Size));
Assert.IsTrue(n[0] == 1);
Assert.IsTrue(n[1] == 2);
Assert.IsTrue(n[3] == 2);
Assert.IsTrue(n[5] == 4);
//2D
n1 = np.array(new double[][] { new double[] { 1 }, new double[] { 2 }, new double[] { 3 } });
n2 = np.array(new double[][] { new double[] { 4 }, new double[] { 5 }, new double[] { 6 } });
n = np.hstack(n1, n2);
Assert.IsTrue(n.Size == (n1.Size + n2.Size));
Assert.IsTrue(n[0, 0] == 1);
Assert.IsTrue(n[1, 0] == 2);
Assert.IsTrue(n[2, 0] == 3);
Assert.IsTrue(n[0, 1] == 4);
Assert.IsTrue(n[1, 1] == 5);
Assert.IsTrue(n[2, 1] == 6);
//3D
n1 = np.arange(12).reshape(2, 3, 2);
n2 = np.arange(12).reshape(2, 3, 2);
n = np.hstack(n1, n2);
Assert.IsTrue(n.Size == (n1.Size + n2.Size));
Assert.IsTrue(n[0, 0, 0] == 0);
Assert.IsTrue(n[0, 1, 0] == 2);
Assert.IsTrue(n[0, 2, 1] == 5);
//4D
//n1 = np.arange(24 * 10000000).ReShape(20000, 30, 20, 2);
//n2 = np.arange(24 * 10000000).ReShape(20000, 30, 20, 2);
//n = np.hstack(n1, n2);
//Assert.IsTrue(n.Size == (n1.Size + n2.Size));
}
public void amax()
{
var np = new NumPyGeneric <double>();
//no axis
var n = np.arange(4).reshape(2, 2);
var n1 = np.amax(n);
Assert.IsTrue(n1[0] == 3);
//2D with axis
n1 = np.amax(n, 0);
Assert.IsTrue(n1[0] == 2);
Assert.IsTrue(n1[1] == 3);
n1 = np.amax(n, 1);
Assert.IsTrue(n1[0] == 1);
Assert.IsTrue(n1[1] == 3);
//3D
n = np.arange(24).reshape(4, 3, 2);
n1 = np.amax(n, 0);
Assert.IsTrue(n1[0, 1] == 19);
Assert.IsTrue(n1[2, 1] == 23);
Assert.IsTrue(n1[1, 1] == 21);
n1 = np.amax(n, 1);
Assert.IsTrue(n1[1, 1] == 11);
Assert.IsTrue(n1[2, 1] == 17);
Assert.IsTrue(n1[3, 0] == 22);
//4D
n = np.arange(24).reshape(2, 3, 2, 2);
n1 = np.amax(n, 1);
Assert.IsTrue(n1[0, 0, 1] == 9);
Assert.IsTrue(n1[1, 0, 1] == 21);
Assert.IsTrue(n1[1, 1, 1] == 23);
n1 = np.amax(n, 3);
Assert.IsTrue(n1[0, 1, 1] == 7);
Assert.IsTrue(n1[1, 1, 1] == 19);
Assert.IsTrue(n1[1, 2, 1] == 23);
}
public void Setup()
{
np = new NumPyGeneric <double>();
nd = np.arange(1000 * 8 * 8 * 8).reshape(1000, 8, 8, 8);
}
public void arange()
{
np.arange(length);
}