mp(3X) (BSD Compatibility Package) mp(3X)
NAME
mp: madd, msub, mult, mdiv, mcmp, min, mout, pow, gcd, rpow, msqrt,
sdiv, itom, xtom, mtox, mfree - multiple precision integer arithmetic
SYNOPSIS
cc [ flag... ] file ... -lmp
#include <mp.h>
madd(a, b, c)
MINT *a, *b, *c;
msub(a, b, c)
MINT *a, *b, *c;
mult(a, b, c)
MINT *a, *b, *c;
mdiv(a, b, q, r)
MINT *a, *b, *q, *r;
mcmp(a,b)
MINT *a, *b;
min(a)
MINT *a;
mout(a)
MINT *a;
pow(a, b, c, d)
MINT *a, *b, *c, *d;
gcd(a, b, c)
MINT *a, *b, *c;
rpow(a, n, b)
MINT *a, *b;
short n;
msqrt(a, b, r)
MINT *a, *b, *r;
sdiv(a, n, q, r)
MINT *a, *q;
short n, *r;
MINT *itom(n)
short n;
MINT *xtom(s)
char *s;
char *mtox(a)
MINT *a;
void mfree(a)
MINT *a;
DESCRIPTION
These routines perform arithmetic on integers of arbitrary length.
The integers are stored using the defined type MINT. Pointers to a
MINT should be initialized using the function itom, which sets the
initial value to n. Alternatively, xtom may be used to initialize a
MINT from a string of hexadecimal digits. mfree may be used to
release the storage allocated by the itom and xtom routines.
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mp(3X) (BSD Compatibility Package) mp(3X)
madd, msub and mult assign to their third arguments the sum,
difference, and product, respectively, of their first two arguments.
mdiv assigns the quotient and remainder, respectively, to its third
and fourth arguments. sdiv is like mdiv except that the divisor is
an ordinary integer. msqrt produces the square root and remainder of
its first argument. mcmp compares the values of its arguments and
returns 0 if the two values are equal, >0 if the first argument is
greater than the second, and <0 if the second argument is greater
than the first. rpow calculates a raised to the power b, while pow
calculates this reduced modulo m. min and mout do decimal input and
output. gcd finds the greatest common divisor of the first two
arguments, returning it in the third argument. mtox provides the
inverse of xtom. To release the storage allocated by mtox, use free
[see malloc(3)].
Use the -libmp loader option to obtain access to these functions.
RETURN VALUE
Illegal operations and running out of memory produce messages and
core images.
FILES
/usr/ucblib/libmp.a
SEE ALSO
malloc(3) in the Programmer's Reference Manual.
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