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Annotation of 42BSD/usr.bin/eqn/over.c, revision 1.1.1.1

1.1       root        1: #ifndef lint
                      2: static char sccsid[] = "@(#)over.c     4.3 8/11/83";
                      3: #endif
                      4: 
                      5: # include "e.h"
                      6: 
                      7: boverb(p1, p2) int p1, p2; {
                      8:        int h, b, treg, d;
                      9: 
                     10:        treg = oalloc();
                     11:        yyval = p1;
                     12: #ifndef NEQN
                     13:        d = VERT((ps*6*3) / 10);        /* 0.3m */
                     14:        h = eht[p1] + eht[p2] + d;
                     15: #else NEQN
                     16:        d = VERT(1);
                     17:        h = eht[p1] + eht[p2];
                     18: #endif NEQN
                     19:        b = eht[p2] - d;
                     20:        if(dbg)printf(".\tb:bob: S%d <- S%d over S%d; b=%d, h=%d\n", 
                     21:                yyval, p1, p2, b, h);
                     22:        nrwid(p1, ps, p1);
                     23:        nrwid(p2, ps, p2);
                     24:        printf(".nr %d \\n(%d\n", treg, p1);
                     25:        printf(".if \\n(%d>\\n(%d .nr %d \\n(%d\n", p2, treg, treg, p2);
                     26: #ifndef NEQN
                     27:        printf(".nr %d \\n(%d+\\s%d.5m\\s0\n", treg, treg, EFFPS(ps));
                     28: #endif NEQN
                     29:        printf(".ds %d \\v'%du'\\h'\\n(%du-\\n(%du/2u'\\*(%d\\\n", 
                     30:                yyval, eht[p2]-ebase[p2]-d, treg, p2, p2);
                     31:        printf("\\h'-\\n(%du-\\n(%du/2u'\\v'%du'\\*(%d\\\n", 
                     32: #ifndef NEQN
                     33:                p2, p1, -(eht[p2]-ebase[p2]+d+ebase[p1]), p1);
                     34:        printf("\\h'-\\n(%du-\\n(%du/2u+.1m'\\v'%du'\\l'\\n(%du-.2m'\\h'.1m'\\v'%du'\n", 
                     35:                 treg, p1, ebase[p1]+d, treg, d);
                     36: #else NEQN
                     37:                p2, p1, -eht[p2]+ebase[p2]-ebase[p1], p1);
                     38:        printf("\\h'-\\n(%du-\\n(%du-2u/2u'\\v'%du'\\l'\\n(%du'\\v'%du'\n", 
                     39:                 treg, p1, ebase[p1], treg, d);
                     40: #endif NEQN
                     41:        ebase[yyval] = b;
                     42:        eht[yyval] = h;
                     43:        lfont[yyval] = rfont[yyval] = 0;
                     44:        ofree(p2);
                     45:        ofree(treg);
                     46: }

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