public static GenTensor <T, TWrapper> PiecewiseSubtract(
T a, GenTensor <T, TWrapper> b, Threading threading)
=> Constructors <T, TWrapper> .CreateTensor(b.Shape, ind =>
default(TWrapper).Subtract(a, b[ind]), threading);
public static GenTensor <T, TWrapper> PiecewiseSubtract(GenTensor <T, TWrapper> a,
T b, Threading threading)
=> Constructors <T, TWrapper> .CreateTensor(a.Shape, ind =>
default(TWrapper).Subtract(a[ind], b), threading);