gtsvx: factor and solve, expert

Functions
subroutine	cgtsvx (fact, trans, n, nrhs, dl, d, du, dlf, df, duf, du2, ipiv, b, ldb, x, ldx, rcond, ferr, berr, work, rwork, info)
	CGTSVX computes the solution to system of linear equations A * X = B for GT matrices
subroutine	dgtsvx (fact, trans, n, nrhs, dl, d, du, dlf, df, duf, du2, ipiv, b, ldb, x, ldx, rcond, ferr, berr, work, iwork, info)
	DGTSVX computes the solution to system of linear equations A * X = B for GT matrices
subroutine	sgtsvx (fact, trans, n, nrhs, dl, d, du, dlf, df, duf, du2, ipiv, b, ldb, x, ldx, rcond, ferr, berr, work, iwork, info)
	SGTSVX computes the solution to system of linear equations A * X = B for GT matrices
subroutine	zgtsvx (fact, trans, n, nrhs, dl, d, du, dlf, df, duf, du2, ipiv, b, ldb, x, ldx, rcond, ferr, berr, work, rwork, info)
	ZGTSVX computes the solution to system of linear equations A * X = B for GT matrices

Detailed Description