From 609a9922adac98516b33d67dc98b432ac9c10cc9 Mon Sep 17 00:00:00 2001
From: aiju <devnull@localhost>
Date: Tue, 8 Dec 2015 19:43:22 +0100
Subject: [PATCH] mp: fix bug in mplogic.c; update mkfile

---
 sys/src/libmp/port/mkfile    | 1 +
 sys/src/libmp/port/mplogic.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/src/libmp/port/mkfile b/sys/src/libmp/port/mkfile
index b0bdf67d5..bfa9d457c 100644
--- a/sys/src/libmp/port/mkfile
+++ b/sys/src/libmp/port/mkfile
@@ -38,6 +38,7 @@ FILES=\
 	mptoui\
 	mptov\
 	mptouv\
+	mplogic\
 
 ALLOFILES=${FILES:%=%.$O}
 # cull things in the per-machine directories from this list
diff --git a/sys/src/libmp/port/mplogic.c b/sys/src/libmp/port/mplogic.c
index a5839073c..22b61827b 100644
--- a/sys/src/libmp/port/mplogic.c
+++ b/sys/src/libmp/port/mplogic.c
@@ -138,7 +138,6 @@ mptrunc(mpint *b, int n, mpint *r)
 	r->top = DIGITS(n);
 	d = n / Dbits;
 	m = n % Dbits;
-	r->sign = 1;
 	if(b->sign == -1){
 		c = 1;
 		for(i = 0; i <= r->top; i++){
@@ -162,6 +161,7 @@ mptrunc(mpint *b, int n, mpint *r)
 		if(m != 0)
 			r->p[d] = b->p[d] & (1<<m)-1;
 	}
+	r->sign = 1;
 	mpnorm(r);
 }