127 lines
4.0 KiB
C
127 lines
4.0 KiB
C
/*
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Copyright 2009, 2011 William Hart. All rights reserved.
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Redistribution and use in source and binary forms, with or without modification, are
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permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this list of
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conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice, this list
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of conditions and the following disclaimer in the documentation and/or other materials
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provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY William Hart ``AS IS'' AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL William Hart OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those of the
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authors and should not be interpreted as representing official policies, either expressed
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or implied, of William Hart.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <mpir.h>
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#include <mpir.h>
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#include "gmp-impl.h"
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#include "tests.h"
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int
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main(void)
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{
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mp_bitcnt_t depth, w;
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gmp_randstate_t state;
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tests_start();
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fflush(stdout);
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gmp_randinit_default(state);
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for (depth = 6; depth <= 13; depth++)
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{
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for (w = 1; w <= 3 - (depth >= 12); w++)
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{
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int iter = 1 + 200*(depth <= 8) + 80*(depth <= 9) + 10*(depth <= 10), i;
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for (i = 0; i < iter; i++)
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{
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mp_size_t n = (((mp_limb_t)1)<<depth);
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mp_bitcnt_t bits1 = (n*w - (depth + 1))/2;
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mp_size_t len1;
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mp_size_t len2;
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mp_bitcnt_t b1, b2;
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mp_size_t n1, n2;
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mp_size_t j;
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mp_limb_t rr, * i1, *i2, *r1, *r2;
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mpn_rrandom(&rr, state, 1);
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len1 = 2*n + rr % (2 * n) + 1;
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mpn_rrandom(&rr, state, 1);
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len2 = 2*n + 2 - len1 + rr % (2 * n);
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b1 = len1 * bits1;
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if (len2 <= 0)
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{
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mpn_rrandom(&rr, state, 1);
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len2 = 2*n + rr % (2 * n) + 1;
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}
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b2 = len2*bits1;
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n1 = (b1 - 1)/GMP_LIMB_BITS + 1;
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n2 = (b2 - 1)/GMP_LIMB_BITS + 1;
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if (n1 < n2) /* ensure b1 >= b2 */
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{
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mp_size_t t = n1;
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mp_bitcnt_t tb = b1;
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n1 = n2;
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b1 = b2;
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n2 = t;
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b2 = tb;
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}
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i1 = malloc(3*(n1 + n2)*sizeof(mp_limb_t));
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i2 = i1 + n1;
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r1 = i2 + n2;
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r2 = r1 + n1 + n2;
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mpn_urandomb(i1, state, b1);
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mpn_urandomb(i2, state, b2);
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if (ABOVE_THRESHOLD (n1 + n2, 2*MUL_FFT_FULL_THRESHOLD) &&
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n2 >= MUL_KARATSUBA_THRESHOLD && n1*5 <= n2*11)
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mpn_toom8h_mul(r2, i1, n1, i2, n2);
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else
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mpn_mul(r2, i1, n1, i2, n2);
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mpn_mul_fft_main(r1, i1, n1, i2, n2);
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for (j = 0; j < n1 + n2; j++)
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{
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if (r1[j] != r2[j])
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{
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gmp_printf("error in limb %Md, %Mx != %Mx\n", j, r1[j], r2[j]);
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abort();
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}
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}
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free(i1);
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}
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}
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}
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gmp_randclear(state);
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tests_end();
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return 0;
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}
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