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
/usr/ucb/cc [flag ...] file ... -lucb -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;
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mp(3X) (BSD Compatibility Package) mp(3X)
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.
madd, msub and mult assign to their third arguments the sum, differ-
ence, 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, return-
ing it in the third argument. mtox provides the inverse of xtom. To
release the storage allocated by mtox, use free.
RETURN VALUE
Illegal operations and running out of memory produce messages and core
images.
FILES
/usr/ucblib/libmp.a
SEE ALSO
malloc(3C), malloc(3X).
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