MinlocDimMsk(const DAD* val, const DAD* pos,
const DAD* src, const int dim,
const DAD* msk)
The source array is described by the DAD *src and the
array of minimum values is described by the DAD *val. They will
both have elements of type T. The array of minimum locations is
described by the DAD *pos.
The search occurs in dimension dim.
The mask array is described by the DAD *msk.