187 lines
3.6 KiB
C
187 lines
3.6 KiB
C
/* Test that routines allow reusing a source variable as destination. */
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#include <stdio.h>
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#include "gmp.h"
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#include "gmp-impl.h"
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#include "urandom.h"
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#ifndef SIZE
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#define SIZE 16
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#endif
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#ifndef EXPO
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#define EXPO 32
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#endif
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#if __STDC__
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typedef void (*dss_func) (mpf_ptr, mpf_srcptr, mpf_srcptr);
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#else
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typedef void (*dss_func) ();
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#endif
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dss_func dss_funcs[] =
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{
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mpf_div, mpf_add, mpf_mul, mpf_sub,
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};
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char *dss_func_names[] =
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{
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"mpf_div", "mpf_add", "mpf_mul", "mpf_sub",
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};
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#if __STDC__
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typedef void (*dsi_func) (mpf_ptr, mpf_srcptr, unsigned long int);
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#else
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typedef void (*dsi_func) ();
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#endif
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dsi_func dsi_funcs[] =
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{
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mpf_div_ui, mpf_add_ui, mpf_mul_ui, mpf_sub_ui,
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};
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char *dsi_func_names[] =
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{
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"mpf_div_ui", "mpf_add_ui", "mpf_mul_ui", "mpf_sub_ui",
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};
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#if __STDC__
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typedef void (*dis_func) (mpf_ptr, unsigned long int, mpf_srcptr);
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#else
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typedef void (*dis_func) ();
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#endif
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dis_func dis_funcs[] =
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{
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mpf_ui_div, mpf_ui_sub,
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};
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char *dis_func_names[] =
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{
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"mpf_ui_div", "mpf_ui_sub",
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};
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main (argc, argv)
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int argc;
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char **argv;
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{
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int i;
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int pass, reps = 100000;
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mpf_t in1, in2, out1;
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unsigned long int in1i, in2i;
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mpf_t res1, res2, res3;
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mp_size_t bprec = 100;
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if (argc > 1)
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{
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reps = strtol (argv[1], 0, 0);
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if (argc > 2)
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bprec = strtol (argv[2], 0, 0);
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}
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mpf_set_default_prec (bprec);
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mpf_init (in1);
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mpf_init (in2);
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mpf_init (out1);
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mpf_init (res1);
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mpf_init (res2);
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mpf_init (res3);
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for (pass = 1; pass <= reps; pass++)
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{
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mpf_random2 (in1, urandom () % SIZE - SIZE/2, urandom () % EXPO);
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mpf_random2 (in2, urandom () % SIZE - SIZE/2, urandom () % EXPO);
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for (i = 0; i < sizeof (dss_funcs) / sizeof (dss_func); i++)
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{
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/* Don't divide by 0. */
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if (i == 0 && mpf_cmp_ui (in2, 0) == 0)
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continue;
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(dss_funcs[i]) (res1, in1, in2);
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mpf_set (out1, in1);
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(dss_funcs[i]) (out1, out1, in2);
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mpf_set (res2, out1);
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mpf_set (out1, in2);
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(dss_funcs[i]) (out1, in1, out1);
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mpf_set (res3, out1);
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if (mpf_cmp (res1, res2) != 0)
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dump_abort (dss_func_names[i], res1, res2);
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if (mpf_cmp (res1, res3) != 0)
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dump_abort (dss_func_names[i], res1, res3);
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}
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in2i = urandom ();
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for (i = 0; i < sizeof (dsi_funcs) / sizeof (dsi_func); i++)
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{
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/* Don't divide by 0. */
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if (i == 0 && in2i == 0)
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continue;
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(dsi_funcs[i]) (res1, in1, in2i);
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mpf_set (out1, in1);
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(dsi_funcs[i]) (out1, out1, in2i);
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mpf_set (res2, out1);
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if (mpf_cmp (res1, res2) != 0)
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dump_abort (dsi_func_names[i], res1, res2);
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}
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in1i = urandom ();
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for (i = 0; i < sizeof (dis_funcs) / sizeof (dis_func); i++)
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{
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/* Don't divide by 0. */
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if (i == 0 && mpf_cmp_ui (in2, 0) == 0)
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continue;
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(dis_funcs[i]) (res1, in1i, in2);
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mpf_set (out1, in2);
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(dis_funcs[i]) (out1, in1i, in2);
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mpf_set (res2, out1);
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if (mpf_cmp (res1, res2) != 0)
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dump_abort (dis_func_names[i], res1, res2);
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}
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}
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exit (0);
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}
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dump_abort (name, res1, res2)
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char *name;
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mpf_t res1, res2;
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{
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printf ("failure in %s:", name);
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oo (res1);
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oo (res2);
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abort ();
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}
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oo (x)
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mpf_t x;
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{
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mp_size_t i;
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printf (" exp = %ld\n", x->_mp_exp);
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printf ("size = %d\n", x->_mp_size);
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for (i = ABS (x->_mp_size) - 1; i >= 0; i--)
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printf ("%08lX ", x->_mp_d[i]);
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printf ("\n");
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mpf_dump (x);
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}
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#if 0
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void mpf_div_2exp _PROTO ((mpf_ptr, mpf_srcptr, unsigned long int));
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void mpf_mul_2exp _PROTO ((mpf_ptr, mpf_srcptr, unsigned long int));
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void mpf_abs _PROTO ((mpf_ptr, mpf_srcptr));
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void mpf_sqrt _PROTO ((mpf_ptr, mpf_srcptr));
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void mpf_neg _PROTO ((mpf_ptr, mpf_srcptr));
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#endif
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