.TH ZABS 3 libzahl
.SH NAME
zabs - Calculate the absolute value of a big integer
.SH SYNOPSIS
.nf
#include <zahl.h>

void zabs(z_t \fIa\fP, z_t \fIb\fP);
.fi
.SH DESCRIPTION
.B zabs
calculates the absolute value of
.I b
and stores the result in
.IR a .
That is,
.I a
gets
.RI | b |.
.P
It is safe to call
.B zabs
with non-unique parameters.
.SH SEE ALSO
.BR zset (3),
.BR zstr (3),
.BR zadd (3),
.BR zsub (3),
.BR zmul (3),
.BR zdiv (3),
.BR zmod (3),
.BR zneg (3),
.BR zpow (3)