mat: reuse matrix idiomatically in Cholesky
@@ -128,7 +128,8 @@ func (c *Cholesky) Factorize(a Symmetric) (ok bool) {
if c.chol == nil {
c.chol = NewTriDense(n, Upper, nil)
} else {
- c.chol = NewTriDense(n, Upper, use(c.chol.mat.Data, n*n))
+ c.chol.Reset()
+ c.chol.reuseAsNonZeroed(n, Upper)
}
copySymIntoTriangle(c.chol, a)
