public void ScalarMultiplication()
{
float[] data1 = { float.MinValue, -10, -1.5f, 0, 1.5f, 10, 20, float.MaxValue };
int[] shape1 = { 2, 4 };
var tensor1 = new FloatTensor(data1, shape1);
var tensor2 = new FloatTensor(data1, shape1);
// Test multiplication by 0
float scalar = 0;
tensor1.MulScalar(scalar);
for (int i = 0; i < tensor1.Size; i++)
{
Assert.AreEqual(tensor2.Data [i] * scalar, tensor1.Data [i]);
}
// Test multiplication by positive
tensor1 = new FloatTensor(data1, shape1);
scalar = 99;
tensor1.MulScalar(scalar);
for (int i = 0; i < tensor1.Size; i++)
{
Assert.AreEqual(tensor2.Data [i] * scalar, tensor1.Data [i]);
}
// Test multiplication by negative
tensor1 = new FloatTensor(data1, shape1);
scalar = -99;
tensor1.MulScalar(scalar);
for (int i = 0; i < tensor1.Size; i++)
{
Assert.AreEqual(tensor2.Data [i] * scalar, tensor1.Data [i]);
}
// Test multiplication by decimal
tensor1 = new FloatTensor(data1, shape1);
scalar = 0.000001f;
tensor1.MulScalar(scalar);
for (int i = 0; i < tensor1.Size; i++)
{
Assert.AreEqual(tensor2.Data [i] * scalar, tensor1.Data [i]);
}
}