/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ /* * Copyright (c) 1980 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. */ /* * Copyright (c) 1983, 1984 1985, 1986, 1987, 1988, Sun Microsystems, Inc. * All Rights Reserved. */ #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */ # include "e.h" lpile(type, p1, p2) int type, p1, p2; { int bi, hi, i, gap, h, b, nlist, nlist2, mid; yyval = oalloc(); #ifndef NEQN gap = VERT(EM(0.4, ps)); /* 4/10 m between blocks */ #else NEQN gap = VERT(1); #endif NEQN if( type=='-' ) gap = 0; nlist = p2 - p1; nlist2 = (nlist+1)/2; mid = p1 + nlist2 -1; h = 0; for( i=p1; i<p2; i++ ) h += eht[lp[i]]; eht[yyval] = h + (nlist-1)*gap; b = 0; for( i=p2-1; i>mid; i-- ) b += eht[lp[i]] + gap; ebase[yyval] = (nlist%2) ? b + ebase[lp[mid]] #ifndef NEQN : b - VERT(EM(0.5, ps)) - gap; #else NEQN : b - VERT(1) - gap; #endif NEQN if(dbg) { printf(".\tS%d <- %c pile of:", yyval, type); for( i=p1; i<p2; i++) printf(" S%d", lp[i]); printf(";h=%d b=%d\n", eht[yyval], ebase[yyval]); } nrwid(lp[p1], ps, lp[p1]); printf(".nr %d \\n(%d\n", yyval, lp[p1]); for( i = p1+1; i<p2; i++ ) { nrwid(lp[i], ps, lp[i]); printf(".if \\n(%d>\\n(%d .nr %d \\n(%d\n", lp[i], yyval, yyval, lp[i]); } printf(".ds %d \\v'%du'\\h'%du*\\n(%du'\\\n", yyval, ebase[yyval], type=='R' ? 1 : 0, yyval); for(i = p2-1; i >=p1; i--) { hi = eht[lp[i]]; bi = ebase[lp[i]]; switch(type) { case 'L': printf("\\v'%du'\\*(%d\\h'-\\n(%du'\\v'0-%du'\\\n", -bi, lp[i], lp[i], hi-bi+gap); continue; case 'R': printf("\\v'%du'\\h'-\\n(%du'\\*(%d\\v'0-%du'\\\n", -bi, lp[i], lp[i], hi-bi+gap); continue; case 'C': case '-': printf("\\v'%du'\\h'\\n(%du-\\n(%du/2u'\\*(%d", -bi, yyval, lp[i], lp[i]); printf("\\h'-\\n(%du-\\n(%du/2u'\\v'0-%du'\\\n", yyval, lp[i], hi-bi+gap); continue; } } printf("\\v'%du'\\h'%du*\\n(%du'\n", eht[yyval]-ebase[yyval]+gap, type!='R' ? 1 : 0, yyval); for( i=p1; i<p2; i++ ) ofree(lp[i]); lfont[yyval] = rfont[yyval] = 0; }