.TH ZMODPOW 3 libzahl
.SH NAME
zmodpow - Calculate a modular power of a big integer
.SH SYNOPSIS
.nf
#include <zahl.h>

void zmodpow(z_t \fIpower\fP, z_t \fIbase\fP, z_t \fIexponent\fP, z_t \fImodulator\fP);
.fi
.SH DESCRIPTION
.B zmodpow
calculates the
.IR exponent :th
power of a
.IR base ,
modulus a
.IR modulator ,
and stores the result in
.IR power .
That is,
.I power
gets
.RI ( base
↑
.IR exponent )
Mod
.IR modulator .
.P
It is safe to call
.B zmodpow
with non-unique parameters.
.SH SEE ALSO
.BR zmodmul (3),
.BR zsqr (3),
.BR zstr (3),
.BR zadd (3),
.BR zsub (3),
.BR zmul (3),
.BR zdiv (3),
.BR zmod (3),
.BR zneg (3),
.BR zabs (3)