public static float DotProductSparse(ReadOnlySpan <float> a, ReadOnlySpan <float> b, ReadOnlySpan <int> indices, int count)
{
Contracts.AssertNonEmpty(a);
Contracts.AssertNonEmpty(b);
Contracts.Assert(0 < count);
Contracts.Assert(count < a.Length);
Contracts.Assert(count <= b.Length);
Contracts.Assert(count <= indices.Length);
unsafe
{
fixed(float *pa = &MemoryMarshal.GetReference(a))
fixed(float *pb = &MemoryMarshal.GetReference(b))
fixed(int *pi = &MemoryMarshal.GetReference(indices))
return(Thunk.DotSU(pa, pb, pi, count));
}
}
public static float DotProductSparse(float[] a, float[] b, int[] indices, int count)
{
Contracts.AssertNonEmpty(a);
Contracts.AssertNonEmpty(b);
Contracts.Assert(0 < count);
Contracts.Assert(count < a.Length);
Contracts.Assert(count <= b.Length);
Contracts.Assert(count <= indices.Length);
unsafe
{
fixed(float *pa = &a[0])
fixed(float *pb = &b[0])
fixed(int *pi = &indices[0])
return(Thunk.DotSU(pa, pb, pi, count));
}
}