latrs: triangular solve with robust scaling

Collaboration diagram for latrs: triangular solve with robust scaling:

Functions
subroutine	clatrs (uplo, trans, diag, normin, n, a, lda, x, scale, cnorm, info)
	CLATRS solves a triangular system of equations with the scale factor set to prevent overflow.
subroutine	dlatrs (uplo, trans, diag, normin, n, a, lda, x, scale, cnorm, info)
	DLATRS solves a triangular system of equations with the scale factor set to prevent overflow.
subroutine	slatrs (uplo, trans, diag, normin, n, a, lda, x, scale, cnorm, info)
	SLATRS solves a triangular system of equations with the scale factor set to prevent overflow.
subroutine	zlatrs (uplo, trans, diag, normin, n, a, lda, x, scale, cnorm, info)
	ZLATRS solves a triangular system of equations with the scale factor set to prevent overflow.

Detailed Description