Program x04dbfe
! X04DBF Example Program Text
! Mark 29.0 Release. NAG Copyright 2023.
! .. Use Statements ..
Use nag_library, Only: nag_wp, x04dbf
! .. Implicit None Statement ..
Implicit None
! .. Parameters ..
Integer, Parameter :: nmax = 4, nout = 6
Integer, Parameter :: lda = nmax
Character (7), Parameter :: clabs(nmax) = (/'Un ','Deux ', &
'Trois ','Quatre '/)
Character (7), Parameter :: rlabs(nmax) = (/'Uno ','Due ', &
'Tre ','Quattro'/)
! .. Local Scalars ..
Real (Kind=nag_wp) :: aa
Integer :: i, ifail, indent, j, ncols
! .. Local Arrays ..
Complex (Kind=nag_wp) :: a(lda,nmax)
! .. Intrinsic Procedures ..
Intrinsic :: cmplx, real
! .. Executable Statements ..
Write (nout,*) 'X04DBF Example Program Results'
Write (nout,*)
Flush (nout)
! Generate an array of data
Do j = 1, nmax
Do i = 1, lda
aa = real(10*i+j,kind=nag_wp)
a(i,j) = cmplx(aa,-aa,kind=nag_wp)
End Do
End Do
ncols = 80
indent = 0
! Print (nmax-1) by nmax rectangular matrix with default format and
! integer row and column labels, and bracketed complex elements
ifail = 0
Call x04dbf('General',' ',nmax-1,nmax,a,lda,'Bracketed',' ', &
'Example 1:','Integer',rlabs,'Integer',clabs,ncols,indent,ifail)
Write (nout,*)
Flush (nout)
! Print nmax by nmax upper triangular matrix with user-supplied format
! and row and column labels, and complex elements with real part
! above imaginary part
ifail = 0
Call x04dbf('Upper','Non-unit',nmax,nmax,a,lda,'Above','F8.2', &
'Example 2:','Character',rlabs,'Character',clabs,ncols,indent,ifail)
Write (nout,*)
Flush (nout)
! Print (nmax-1) by nmax lower triangular matrix in MATLAB format
! Row and column labelling and USEFRM are ignored
ifail = 0
Call x04dbf('Lower','Unit',nmax-1,nmax,a,lda,' ','MATLABF8.2','A',' ', &
rlabs,' ',clabs,ncols,indent,ifail)
End Program x04dbfe