|
Packit |
5c3484 |
/* Demo program to run expression evaluation.
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
Copyright 2000-2002, 2004 Free Software Foundation, Inc.
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
This file is part of the GNU MP Library.
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
The GNU MP Library is free software; you can redistribute it and/or modify
|
|
Packit |
5c3484 |
it under the terms of either:
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
* the GNU Lesser General Public License as published by the Free
|
|
Packit |
5c3484 |
Software Foundation; either version 3 of the License, or (at your
|
|
Packit |
5c3484 |
option) any later version.
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
or
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
* the GNU General Public License as published by the Free Software
|
|
Packit |
5c3484 |
Foundation; either version 2 of the License, or (at your option) any
|
|
Packit |
5c3484 |
later version.
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
or both in parallel, as here.
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
The GNU MP Library is distributed in the hope that it will be useful, but
|
|
Packit |
5c3484 |
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
|
Packit |
5c3484 |
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
Packit |
5c3484 |
for more details.
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
You should have received copies of the GNU General Public License and the
|
|
Packit |
5c3484 |
GNU Lesser General Public License along with the GNU MP Library. If not,
|
|
Packit |
5c3484 |
see https://www.gnu.org/licenses/. */
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
/* Usage: ./run-expr [-z] [-q] [-f] [-p prec] [-b base] expression...
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
Evaluate each argument as a simple expression. By default this is in mpz
|
|
Packit |
5c3484 |
integers, but -q selects mpq or -f selects mpf. For mpf the float
|
|
Packit |
5c3484 |
precision can be set with -p. In all cases the input base can be set
|
|
Packit |
5c3484 |
with -b, or the default is "0" meaning decimal with "0x" allowed.
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
This is a pretty trivial program, it's just an easy way to experiment
|
|
Packit |
5c3484 |
with the evaluation functions. */
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
#include <stdio.h>
|
|
Packit |
5c3484 |
#include <stdlib.h>
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
#include "gmp.h"
|
|
Packit |
5c3484 |
#include "expr.h"
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
void
|
|
Packit |
5c3484 |
run_expr (int type, int base, unsigned long prec, char *str)
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
int outbase = (base == 0 ? 10 : base);
|
|
Packit |
5c3484 |
int ret;
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
switch (type) {
|
|
Packit |
5c3484 |
case 'z':
|
|
Packit |
5c3484 |
default:
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
mpz_t res, var_a, var_b;
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
mpz_init (res);
|
|
Packit |
5c3484 |
mpz_init_set_ui (var_a, 55L);
|
|
Packit |
5c3484 |
mpz_init_set_ui (var_b, 99L);
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
ret = mpz_expr (res, base, str, var_a, var_b, NULL);
|
|
Packit |
5c3484 |
printf ("\"%s\" base %d: ", str, base);
|
|
Packit |
5c3484 |
if (ret == MPEXPR_RESULT_OK)
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
printf ("result ");
|
|
Packit |
5c3484 |
mpz_out_str (stdout, outbase, res);
|
|
Packit |
5c3484 |
printf ("\n");
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
else
|
|
Packit |
5c3484 |
printf ("invalid (return code %d)\n", ret);
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
mpz_clear (res);
|
|
Packit |
5c3484 |
mpz_clear (var_a);
|
|
Packit |
5c3484 |
mpz_clear (var_b);
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
break;
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
case 'q':
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
mpq_t res, var_a, var_b;
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
mpq_init (res);
|
|
Packit |
5c3484 |
mpq_init (var_a);
|
|
Packit |
5c3484 |
mpq_init (var_b);
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
mpq_set_ui (var_a, 55L, 1);
|
|
Packit |
5c3484 |
mpq_set_ui (var_b, 99L, 1);
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
ret = mpq_expr (res, base, str, var_a, var_b, NULL);
|
|
Packit |
5c3484 |
printf ("\"%s\" base %d: ", str, base);
|
|
Packit |
5c3484 |
if (ret == MPEXPR_RESULT_OK)
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
printf ("result ");
|
|
Packit |
5c3484 |
mpq_out_str (stdout, outbase, res);
|
|
Packit |
5c3484 |
printf ("\n");
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
else
|
|
Packit |
5c3484 |
printf ("invalid (return code %d)\n", ret);
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
mpq_clear (res);
|
|
Packit |
5c3484 |
mpq_clear (var_a);
|
|
Packit |
5c3484 |
mpq_clear (var_b);
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
break;
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
case 'f':
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
mpf_t res, var_a, var_b;
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
mpf_init2 (res, prec);
|
|
Packit |
5c3484 |
mpf_init_set_ui (var_a, 55L);
|
|
Packit |
5c3484 |
mpf_init_set_ui (var_b, 99L);
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
ret = mpf_expr (res, base, str, var_a, var_b, NULL);
|
|
Packit |
5c3484 |
printf ("\"%s\" base %d: ", str, base);
|
|
Packit |
5c3484 |
if (ret == MPEXPR_RESULT_OK)
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
printf ("result ");
|
|
Packit |
5c3484 |
mpf_out_str (stdout, outbase, (size_t) 0, res);
|
|
Packit |
5c3484 |
printf ("\n");
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
else
|
|
Packit |
5c3484 |
printf ("invalid (return code %d)\n", ret);
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
mpf_clear (res);
|
|
Packit |
5c3484 |
mpf_clear (var_a);
|
|
Packit |
5c3484 |
mpf_clear (var_b);
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
break;
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
int
|
|
Packit |
5c3484 |
main (int argc, char *argv[])
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
int type = 'z';
|
|
Packit |
5c3484 |
int base = 0;
|
|
Packit |
5c3484 |
unsigned long prec = 64;
|
|
Packit |
5c3484 |
int seen_expr = 0;
|
|
Packit |
5c3484 |
int opt;
|
|
Packit |
5c3484 |
char *arg;
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
for (;;)
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
argv++;
|
|
Packit |
5c3484 |
arg = argv[0];
|
|
Packit |
5c3484 |
if (arg == NULL)
|
|
Packit |
5c3484 |
break;
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
if (arg[0] == '-')
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
for (;;)
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
arg++;
|
|
Packit |
5c3484 |
opt = arg[0];
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
switch (opt) {
|
|
Packit |
5c3484 |
case '\0':
|
|
Packit |
5c3484 |
goto end_opt;
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
case 'f':
|
|
Packit |
5c3484 |
case 'q':
|
|
Packit |
5c3484 |
case 'z':
|
|
Packit |
5c3484 |
type = opt;
|
|
Packit |
5c3484 |
break;
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
case 'b':
|
|
Packit |
5c3484 |
arg++;
|
|
Packit |
5c3484 |
if (arg[0] == '\0')
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
argv++;
|
|
Packit |
5c3484 |
arg = argv[0];
|
|
Packit |
5c3484 |
if (arg == NULL)
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
need_arg:
|
|
Packit |
5c3484 |
fprintf (stderr, "Need argument for -%c\n", opt);
|
|
Packit |
5c3484 |
exit (1);
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
base = atoi (arg);
|
|
Packit |
5c3484 |
goto end_opt;
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
case 'p':
|
|
Packit |
5c3484 |
arg++;
|
|
Packit |
5c3484 |
if (arg[0] == '\0')
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
argv++;
|
|
Packit |
5c3484 |
arg = argv[0];
|
|
Packit |
5c3484 |
if (arg == NULL)
|
|
Packit |
5c3484 |
goto need_arg;
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
prec = atoi (arg);
|
|
Packit |
5c3484 |
goto end_opt;
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
case '-':
|
|
Packit |
5c3484 |
arg++;
|
|
Packit |
5c3484 |
if (arg[0] != '\0')
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
/* no "--foo" options */
|
|
Packit |
5c3484 |
fprintf (stderr, "Unrecognised option --%s\n", arg);
|
|
Packit |
5c3484 |
exit (1);
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
/* stop option interpretation at "--" */
|
|
Packit |
5c3484 |
for (;;)
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
argv++;
|
|
Packit |
5c3484 |
arg = argv[0];
|
|
Packit |
5c3484 |
if (arg == NULL)
|
|
Packit |
5c3484 |
goto done;
|
|
Packit |
5c3484 |
run_expr (type, base, prec, arg);
|
|
Packit |
5c3484 |
seen_expr = 1;
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
default:
|
|
Packit |
5c3484 |
fprintf (stderr, "Unrecognised option -%c\n", opt);
|
|
Packit |
5c3484 |
exit (1);
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
end_opt:
|
|
Packit |
5c3484 |
;
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
else
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
run_expr (type, base, prec, arg);
|
|
Packit |
5c3484 |
seen_expr = 1;
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
done:
|
|
Packit |
5c3484 |
if (! seen_expr)
|
|
Packit |
5c3484 |
{
|
|
Packit |
5c3484 |
printf ("Usage: %s [-z] [-q] [-f] [-p prec] [-b base] expression...\n", argv[0]);
|
|
Packit |
5c3484 |
exit (1);
|
|
Packit |
5c3484 |
}
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
return 0;
|
|
Packit |
5c3484 |
}
|