Program f06pa_p0w_fe
! F06PA_P0W_F Example Program Text
! Mark 30.2 Release. NAG Copyright 2024.
! .. Use Statements ..
Use iso_c_binding, Only: c_ptr
Use nagad_library, Only: f06pa_p0w_f
Use nag_library, Only: nag_wp
! .. Implicit None Statement ..
Implicit None
! .. Parameters ..
Integer, Parameter :: nin = 5, nout = 6
! .. Local Scalars ..
Type (c_ptr) :: ad_handle
Real (Kind=nag_wp) :: alpha, beta
Integer :: i, ifail, lda, m, n
! .. Local Arrays ..
Real (Kind=nag_wp), Allocatable :: a(:,:), b(:), y(:)
! .. Executable Statements ..
Write (nout,*) 'F06PA_P0W_F Example Program Results'
Write (nout,*)
! Skip heading in data file
Read (nin,*)
Read (nin,*) m, n
Read (nin,*) alpha, beta
lda = m
Allocate (a(lda,n),b(m),y(n))
! Read the m by n matrix A from data file
Read (nin,*)(a(i,1:n),i=1,m)
! Read the vector to be multiplied by A
Read (nin,*) b(1:m)
y = 1.0_nag_wp
ifail = 0
Call f06pa_p0w_f(ad_handle,'T',m,n,alpha,a,lda,b,1,beta,y,1,ifail)
Write (nout,*)
Write (nout,*) 'Product solution y = beta*y + alpha*A^T*b:'
Write (nout,99999) y(1:n)
99999 Format (4X,F11.4)
End Program f06pa_p0w_fe