Program c02ahfe ! C02AHF Example Program Text ! Mark 24 Release. NAG Copyright 2012. ! .. Use Statements .. Use nag_library, Only: c02ahf, nag_wp ! .. Implicit None Statement .. Implicit None ! .. Parameters .. Integer, Parameter :: nin = 5, nout = 6 ! .. Local Scalars .. Real (Kind=nag_wp) :: ai, ar, bi, br, ci, cr Integer :: ifail ! .. Local Arrays .. Real (Kind=nag_wp) :: zlg(2), zsm(2) ! .. Executable Statements .. Write (nout,*) 'C02AHF Example Program Results' ! Skip heading in data file Read (nin,*) Read (nin,*) ar, ai, br, bi, cr, ci ifail = -1 Call c02ahf(ar,ai,br,bi,cr,ci,zsm,zlg,ifail) If (ifail==0) Then Write (nout,*) Write (nout,*) 'Roots of quadratic equation' Write (nout,*) Write (nout,99999) 'z = ', zsm(1), zsm(2), '*i' Write (nout,99999) 'z = ', zlg(1), zlg(2), '*i' End If 99999 Format (1X,A,1P,E12.4,Sp,E14.4,A) End Program c02ahfe