shithub: riscv

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mpmagadd: force output sign +1 always

--- a/sys/src/libmp/port/mpadd.c

+++ b/sys/src/libmp/port/mpadd.c

@@ -21,10 +21,12 @@

 	m = b2->top;

 	if(n == 0){

 		mpassign(mpzero, sum);

+		sum->sign = 1;

 		return;

 	}

 	if(m == 0){

 		mpassign(b1, sum);

+		sum->sign = 1;

 		return;

 	}

 	mpbits(sum, (n+1)*Dbits);