public void Abs()
{
// arrange
var srcArray = NdArray <int> .Linspace(HostDevice.Instance, -4, 4, 8);
// action
var newArray = ElementWiseMathFunction <int> .Abs(srcArray);
// assert
Assert.IsTrue(newArray[0].Value > 0);
}
public void Ceiling()
{
// arrange
var srcArray = NdArray <double> .Linspace(HostDevice.Instance, -1, 1, 6);
// action
var newArray = ElementWiseMathFunction <double> .Ceiling(srcArray);
// assert
Assert.AreEqual(-1.0, newArray[0].Value);
Assert.AreEqual(0.0, newArray[1].Value);
Assert.AreEqual(1.0, newArray[4].Value);
}
public void Atan()
{
// arrange
var srcArray = NdArray <double> .Linspace(HostDevice.Instance, -1, 1, 3);
// action
var newArray = ElementWiseMathFunction <double> .Atan(srcArray);
// assert
const double Epsilon = 1e-8;
Assert.IsTrue(Math.Abs(newArray[0].Value - (-Math.PI / 4.0)) < Epsilon);
Assert.IsTrue(Math.Abs(newArray[1].Value - 0.0) < Epsilon);
Assert.IsTrue(Math.Abs(newArray[2].Value - (Math.PI / 4.0)) < Epsilon);
}