public void Cos_()
{
float[] data1 = { 0.4f, 0.5f, 0.3f, -0.1f };
int[] shape1 = { 4 };
var tensor = new FloatTensor(data1, shape1);
float[] data2 = { 0.92106099f, 0.87758256f, 0.95533649f, 0.99500417f };
int[] shape2 = { 4 };
var expectedCosTensor = new FloatTensor(data2, shape2);
tensor.Cos_();
for (int i = 2; i < tensor.Size; i++)
{
Assert.AreEqual(expectedCosTensor.Data[i], tensor.Data[i]);
}
}