public unsafe void MakeNegative()
{
float[] v1 = { 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3 };
float[] res = new float[v1.Length];
fixed(float *a = v1, y = res)
VectorizationFloat.MakeNegativeAVX(a, y, res.Length);
float[] res2 = { -1, -2, -3, -1, -2, -3, -1, -2, -3, -1, -2, -3 };
Assert.IsTrue(ArrayEqual(res, res2));
}
public static void SubtractFloat32_GetGradientB(Tensor gradienta, Tensor s, Tensor a)
{
long go = s.Shape.TotalSize / gradienta.Shape.TotalSize * gradienta.Shape.TotalSize;
for (long i = 0; i < go; i += gradienta.Shape.TotalSize)
{
if (i == 0)
{
VectorizationFloat.MakeNegativeAVX((float *)s.Base.Array + i, (float *)gradienta.Base.Array, gradienta.Shape.TotalSize);
}
else
{
VectorizationFloat.ElementWiseSubtractAVX((float *)gradienta.Base.Array, (float *)s.Base.Array + i, (float *)gradienta.Base.Array, gradienta.Shape.TotalSize);
}
}
if (go < s.Shape.TotalSize)
{
VectorizationFloat.ElementWiseSubtractAVX((float *)gradienta.Base.Array, (float *)s.Base.Array + go, (float *)gradienta.Base.Array, s.Shape.TotalSize - go);
}
}
