1 files changed, 70 insertions, 0 deletions
diff --git a/eqn/move.c b/eqn/move.c
new file mode 100644
index 0000000000000..26403ce94659d
--- /dev/null
+++ b/eqn/move.c
@@ -0,0 +1,70 @@
+/*	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.
+ */
+  
+/*	from OpenSolaris "move.c	1.4	05/06/02 SMI"	 SVr4.0 1.1		*/
+
+/*
+ * Portions Copyright (c) 2005 Gunnar Ritter, Freiburg i. Br., Germany
+ *
+ * Sccsid @(#)move.c	1.4 (gritter) 10/29/05
+ */
+
+/*
+ * Changes Copyright (c) 2014 Carsten Kunze (carsten.kunze at arcor.de)
+ */
+
+#include "e.h"
+#include "y.tab.h"
+
+extern YYSTYPE yyval;
+
+void
+move(int dir, int amt, int p) {
+#ifndef	NEQN
+	float a;
+#else	/* NEQN */
+	int a;
+#endif	/* NEQN */
+
+	yyval.token = p;
+#ifndef NEQN
+	a = VERT(EM(amt/100.0, EFFPS(ps)));
+#else /* NEQN */
+	a = VERT( (amt+49)/50 );	/* nearest number of half-lines */
+#endif /* NEQN */
+	printf(".ds %d ", yyval.token);
+	if( dir == FWD || dir == BACK )	/* fwd, back */
+#ifndef	NEQN
+		printf("\\h'%s%gp'\\*(%d\n", (dir==BACK) ? "-" : "", a, p);
+#else	/* NEQN */
+		printf("\\h'%s%du'\\*(%d\n", (dir==BACK) ? "-" : "", a, p);
+#endif	/* NEQN */
+	else if (dir == UP)
+#ifndef	NEQN
+		printf("\\v'-%gp'\\*(%d\\v'%gp'\n", a, p, a);
+#else	/* NEQN */
+		printf("\\v'-%du'\\*(%d\\v'%du'\n", a, p, a);
+#endif	/* NEQN */
+	else if (dir == DOWN)
+#ifndef	NEQN
+		printf("\\v'%gp'\\*(%d\\v'-%gp'\n", a, p, a);
+	if(dbg)printf(".\tmove %d dir %d amt %g; h=%g b=%g\n", 
+		p, dir, a, eht[yyval.token], ebase[yyval.token]);
+#else	/* NEQN */
+		printf("\\v'%du'\\*(%d\\v'-%du'\n", a, p, a);
+	if(dbg)printf(".\tmove %d dir %d amt %d; h=%d b=%d\n", 
+		p, dir, a, eht[yyval.token], ebase[yyval.token]);
+#endif	/* NEQN */
+}