removing (outdated) drawterm

drawterm is much better maintained by russ cox,
so removing this outdated copy.

for a more recent version, go to:

http://swtch.com/drawterm/

1 files changed, 0 insertions, 46 deletions

diff --git a/sys/src/cmd/unix/drawterm/libmp/mpleft.c b/sys/src/cmd/unix/drawterm/libmp/mpleft.c
deleted file mode 100644
index 23ff9daa4..000000000
--- a/sys/src/cmd/unix/drawterm/libmp/mpleft.c
+++ /dev/null
@@ -1,46 +0,0 @@
-#include "os.h"
-#include <mp.h>
-#include "dat.h"
-
-// res = b << shift
-void
-mpleft(mpint *b, int shift, mpint *res)
-{
-	int d, l, r, i, otop;
-	mpdigit this, last;
-
-	// a negative left shift is a right shift
-	if(shift < 0){
-		mpright(b, -shift, res);
-		return;
-	}
-
-	// b and res may be the same so remember the old top
-	otop = b->top;
-
-	// shift
-	mpbits(res, otop*Dbits + shift);	// overkill
-	res->top = DIGITS(otop*Dbits + shift);
-	d = shift/Dbits;
-	l = shift - d*Dbits;
-	r = Dbits - l;
-
-	if(l == 0){
-		for(i = otop-1; i >= 0; i--)
-			res->p[i+d] = b->p[i];
-	} else {
-		last = 0;
-		for(i = otop-1; i >= 0; i--) {
-			this = b->p[i];
-			res->p[i+d+1] = (last<<l) | (this>>r);
-			last = this;
-		}
-		res->p[d] = last<<l;
-	}
-	for(i = 0; i < d; i++)
-		res->p[i] = 0;
-
-	// normalize
-	while(res->top > 0 && res->p[res->top-1] == 0)
-		res->top--;
-}