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Annotation of cci/usr/src/usr.bin/f77/f77pass1/tst/t04.f, revision 1.1

1.1     ! root        1: c      subroutine tst4
        !             2:        parameter(ntest=4)
        !             3: c      Boolean expressions
        !             4: c      common /t4/ p,q,r
        !             5:        logical p,q,r
        !             6:        logical yes,no
        !             7:        parameter(yes=.true., no=.false.)
        !             8:        if ( .not. yes .eqv. .true. ) call e(1,ntest)
        !             9:        if ( .not. no .eqv. .false. ) call e(2,ntest)
        !            10:        if ( yes .eqv. no ) call e(3,ntest)
        !            11:        if ( .not. .true. .eqv. .not. .false. ) call e(4,ntest)
        !            12:        if ( .true. .and. .false. ) call e(5,ntest)
        !            13:        if ( .false. .or. .false. ) call e(6,ntest)
        !            14: 
        !            15:        p=.true.
        !            16:        q=.true.
        !            17:        r=.false.
        !            18:        if ( .not. p ) call e(7,ntest)
        !            19:        if ( r ) call e(8,ntest)
        !            20:        if ( p .and. r ) call e(9,ntest)
        !            21:        if ( p .and. .not. q ) call e(10,ntest)
        !            22:        if ( .not. p .or. .not. q ) call e(11,ntest)
        !            23:        if ( (p .and. r) .or. (q .and. r) ) call e(12,ntest)
        !            24:        if ( p .and. q .and. r ) call e(13,ntest)
        !            25:        if ( (p .or. q) .eqv. r ) call e(14,ntest)
        !            26:        end

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