Re: Number/Algebraic concepts (was RE: [boost] RE: rational.hpp)

From: Jeremy Siek (jsiek_at_[hidden])
Date: 2001-01-13 20:35:25

Hi Doug,

Thanks for the explanation.

How about the case when the matrix size is a run-time value, instead
of compile-time as in your example?

On Sat, 13 Jan 2001, Doug Gregor wrote:
gregod> The "literals" array for this type could be:
gregod> 
gregod> template<typename T, int N>
gregod> Matrix<T, N, N> LiteralTable< Matrix<T, N, N> >::literals[] = {
gregod> 	Matrix<T, N, N>(Matrix<T, N, N>::zero),
gregod> 	Matrix<T, N, N>(Matrix<T, N, N>::identity)
gregod> };
gregod> 
gregod> Which lets the ID(Matrix<T, N, N>, 0) <-> the NxN zero matrix and 
gregod> ID(Matrix<T, N, N>, 1) <-> the NxN identity matrix. 
gregod> 

----------------------------------------------------------------------
 Jeremy Siek                        www: http://www.lsc.nd.edu/~jsiek/
 Ph.D. Candidate                  email: jsiek_at_[hidden]
 Univ. of Notre Dame         work phone: [phone]
----------------------------------------------------------------------