X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fbigint.pl;h=adeb17f28a93700503b220ee53a06377e7a4b5ee;hb=9ef261b5e9ba232556e09d48dcf0e3964298f8f6;hp=a274736e44187ca6e3e5278cd8cc788a8494ed91;hpb=1e2e1ae8d60a2653b0297f8d75f9d4fe5abfc82b;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/lib/bigint.pl b/lib/bigint.pl
index a274736..adeb17f 100644
--- a/lib/bigint.pl
+++ b/lib/bigint.pl
@@ -74,7 +74,7 @@ sub external { #(int_num_array) return num_str
 sub main'bneg { #(num_str) return num_str
     local($_) = &'bnorm(@_);
     vec($_,0,8) ^= ord('+') ^ ord('-') unless $_ eq '+0';
-    s/^H/N/;
+    s/^./N/ unless /^[-+]/; # works both in ASCII and EBCDIC
     $_;
 }
 
@@ -168,11 +168,11 @@ sub add { #(int_num_array, int_num_array) return int_num_array
     $car = 0;
     for $x (@x) {
 	last unless @y || $car;
-	$x -= 1e5 if $car = (($x += shift(@y) + $car) >= 1e5);
+	$x -= 1e5 if $car = (($x += shift(@y) + $car) >= 1e5) ? 1 : 0;
     }
     for $y (@y) {
 	last unless $car;
-	$y -= 1e5 if $car = (($y += $car) >= 1e5);
+	$y -= 1e5 if $car = (($y += $car) >= 1e5) ? 1 : 0;
     }
     (@x, @y, $car);
 }