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Annotation of 41BSD/cmd/neqn/over.c, revision 1.1

1.1     ! root        1: # include "e.h"
        !             2: 
        !             3: boverb(p1, p2) int p1, p2; {
        !             4:        int h, b, treg, d;
        !             5: 
        !             6:        treg = oalloc();
        !             7:        yyval = p1;
        !             8:        d = VERT(1);
        !             9:        h = eht[p1] + eht[p2];
        !            10:        b = eht[p2] - d;
        !            11:        if(dbg)printf(".\tb:bob: S%d <- S%d over S%d; b=%d, h=%d\n", 
        !            12:                yyval, p1, p2, b, h);
        !            13:        nrwid(p1, ps, p1);
        !            14:        nrwid(p2, ps, p2);
        !            15:        printf(".nr %d \\n(%d\n", treg, p1);
        !            16:        printf(".if \\n(%d>\\n(%d .nr %d \\n(%d\n", p2, treg, treg, p2);
        !            17:        printf(".ds %d \\v'%du'\\h'\\n(%du-\\n(%du/2u'\\*(%d\\\n", 
        !            18:                yyval, eht[p2]-ebase[p2]-d, treg, p2, p2);
        !            19:        printf("\\h'-\\n(%du-\\n(%du/2u'\\v'%du'\\*(%d\\\n", 
        !            20:                p2, p1, -eht[p2]+ebase[p2]-ebase[p1], p1);
        !            21:        printf("\\h'-\\n(%du-\\n(%du-2u/2u'\\v'%du'\\l'\\n(%du'\\v'%du'\n", 
        !            22:                 treg, p1, ebase[p1], treg, d);
        !            23:        ebase[yyval] = b;
        !            24:        eht[yyval] = h;
        !            25:        lfont[yyval] = rfont[yyval] = 0;
        !            26:        ofree(p2);
        !            27:        ofree(treg);
        !            28: }

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