1 /* 2 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 7 /* All Rights Reserved */ 8 9 /* 10 * Copyright (c) 1980 Regents of the University of California. 11 * All rights reserved. The Berkeley software License Agreement 12 * specifies the terms and conditions for redistribution. 13 */ 14 15 #pragma ident "%Z%%M% %I% %E% SMI" 16 17 #include "e.h" 18 19 void 20 boverb(int p1, int p2) 21 { 22 int h, b, treg, d; 23 24 treg = oalloc(); 25 yyval = p1; 26 #ifndef NEQN 27 d = VERT(EM(0.3, ps)); 28 h = eht[p1] + eht[p2] + d; 29 #else /* NEQN */ 30 d = VERT(1); 31 h = eht[p1] + eht[p2]; 32 #endif /* NEQN */ 33 b = eht[p2] - d; 34 if (dbg) 35 printf(".\tb:bob: S%d <- S%d over S%d; b=%d, h=%d\n", 36 yyval, p1, p2, b, h); 37 nrwid(p1, ps, p1); 38 nrwid(p2, ps, p2); 39 printf(".nr %d \\n(%d\n", treg, p1); 40 printf(".if \\n(%d>\\n(%d .nr %d \\n(%d\n", p2, treg, treg, p2); 41 #ifndef NEQN 42 printf(".nr %d \\n(%d+\\s%d.5m\\s0\n", treg, treg, EFFPS(ps)); 43 #endif /* NEQN */ 44 printf(".ds %d \\v'%du'\\h'\\n(%du-\\n(%du/2u'\\*(%d\\\n", 45 yyval, eht[p2]-ebase[p2]-d, treg, p2, p2); 46 #ifndef NEQN 47 printf("\\h'-\\n(%du-\\n(%du/2u'\\v'%du'\\*(%d\\\n", 48 p2, p1, -(eht[p2]-ebase[p2]+d+ebase[p1]), p1); 49 printf("\\h'-\\n(%du-\\n(%du/2u+.1m'\\v'%du'\\l'\\n" 50 "(%du-.2m'\\h'.1m'\\v'%du'\n", treg, p1, ebase[p1]+d, treg, d); 51 #else /* NEQN */ 52 printf("\\h'-\\n(%du-\\n(%du/2u'\\v'%du'\\*(%d\\\n", 53 p2, p1, -eht[p2]+ebase[p2]-ebase[p1], p1); 54 printf("\\h'-\\n(%du-\\n(%du-2u/2u'\\v'%du'\\l'\\n(%du'\\v'%du'\n", 55 treg, p1, ebase[p1], treg, d); 56 #endif /* NEQN */ 57 ebase[yyval] = b; 58 eht[yyval] = h; 59 lfont[yyval] = rfont[yyval] = 0; 60 ofree(p2); 61 ofree(treg); 62 } 63