Add missing ! - libzahl - big integer library
 (HTM) git clone git://git.suckless.org/libzahl
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       ---
 (DIR) commit 157c52efce3fce61af6d411584c7ce35e371be07
 (DIR) parent f9fac01b221cd41af5352d95a45ba43b47460a41
 (HTM) Author: Mattias Andrée <maandree@kth.se>
       Date:   Fri, 29 Jul 2016 12:37:41 +0200
       
       Add missing !
       
       Signed-off-by: Mattias Andrée <maandree@kth.se>
       
       Diffstat:
         M doc/exercises.tex                   |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
 (DIR) diff --git a/doc/exercises.tex b/doc/exercises.tex
       @@ -764,7 +764,7 @@ modtetra(z_t r, z_t b, unsigned long n, z_t m)
            z_t t, temp;
        
            if (n <= 1) \{
       -        if (n)
       +        if (!n)
                    zsetu(r, zcmpu(m, 1));
                else
                    zmod(r, b, m);