zsub.3 - libzahl - big integer library
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       zsub.3 (564B)
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            1 .TH ZSUB 3 libzahl
            2 .SH NAME
            3 zsub - Calculate the difference of two big integer
            4 .SH SYNOPSIS
            5 .nf
            6 #include <zahl.h>
            7 
            8 void zsub(z_t \fIdifference\fP, z_t \fIminuend\fP, z_t \fIsubtrahend\fP);
            9 .fi
           10 .SH DESCRIPTION
           11 .B zsub
           12 calculates the difference of a
           13 .I minuend
           14 and a
           15 .IR subtrahend ,
           16 and stores the result in
           17 .IR difference .
           18 That is,
           19 .I difference
           20 gets
           21 .I minuend
           22 -
           23 .IR subtrahend .
           24 .P
           25 It is safe to call
           26 .B zsub
           27 with non-unique parameters.
           28 .SH SEE ALSO
           29 .BR zstr (3),
           30 .BR zadd (3),
           31 .BR zmul (3),
           32 .BR zdiv (3),
           33 .BR zmod (3),
           34 .BR zneg (3),
           35 .BR zabs (3),
           36 .BR zpow (3)