Added test code for sb_bdiv_qr.

This commit is contained in:
(no author) 2010-03-02 13:32:49 +00:00
parent 1455e3f181
commit 3208d36d17
3 changed files with 124 additions and 8 deletions

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@ -30,7 +30,8 @@ check_PROGRAMS = t-asmtype t-aors_1 t-divrem_1 t-fat t-get_d \
t-neg t-mulmod_2expp1 t-mulmod_2expm1 t-tdiv_q t-sb_divappr_q \
t-dc_divappr_q_n t-inv_divappr_q_n t-invert t-sb_div_q t-sb_div_qr \
t-dc_div_q t-dc_div_qr t-dc_divappr_q t-dc_div_qr_n t-inv_divappr_q \
t-inv_div_q t-inv_div_qr t-inv_div_qr_n t-tdiv_qr t-sb_bdiv_q
t-inv_div_q t-inv_div_qr t-inv_div_qr_n t-tdiv_qr t-sb_bdiv_q \
t-sb_bdiv_qr
if ENABLE_STATIC
if ENABLE_SHARED

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@ -67,7 +67,7 @@ check_PROGRAMS = t-asmtype$(EXEEXT) t-aors_1$(EXEEXT) \
t-dc_div_qr_n$(EXEEXT) t-inv_divappr_q$(EXEEXT) \
t-inv_div_q$(EXEEXT) t-inv_div_qr$(EXEEXT) \
t-inv_div_qr_n$(EXEEXT) t-tdiv_qr$(EXEEXT) \
t-sb_bdiv_q$(EXEEXT) $(am__EXEEXT_1)
t-sb_bdiv_q$(EXEEXT) t-sb_bdiv_qr$(EXEEXT) $(am__EXEEXT_1)
@ENABLE_SHARED_TRUE@@ENABLE_STATIC_TRUE@am__append_1 = st_fat st_instrument
subdir = tests/mpn
DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
@ -266,6 +266,11 @@ t_sb_bdiv_q_OBJECTS = t-sb_bdiv_q.$(OBJEXT)
t_sb_bdiv_q_LDADD = $(LDADD)
t_sb_bdiv_q_DEPENDENCIES = $(top_builddir)/tests/libtests.la \
$(top_builddir)/libmpir.la
t_sb_bdiv_qr_SOURCES = t-sb_bdiv_qr.c
t_sb_bdiv_qr_OBJECTS = t-sb_bdiv_qr.$(OBJEXT)
t_sb_bdiv_qr_LDADD = $(LDADD)
t_sb_bdiv_qr_DEPENDENCIES = $(top_builddir)/tests/libtests.la \
$(top_builddir)/libmpir.la
t_sb_div_q_SOURCES = t-sb_div_q.c
t_sb_div_q_OBJECTS = t-sb_div_q.$(OBJEXT)
t_sb_div_q_LDADD = $(LDADD)
@ -321,9 +326,9 @@ SOURCES = $(st_fat_SOURCES) $(st_instrument_SOURCES) t-addadd_n.c \
t-inv_divappr_q.c t-inv_divappr_q_n.c t-invert.c t-iord_u.c \
t-lorrshift1.c t-mp_bases.c t-mullow_basecase.c t-mullowhigh.c \
t-mulmid.c t-mulmod_2expm1.c t-mulmod_2expp1.c t-neg.c \
t-perfsqr.c t-redc_basecase.c t-sb_bdiv_q.c t-sb_div_q.c \
t-sb_div_qr.c t-sb_divappr_q.c t-scan.c t-subadd_n.c \
t-tdiv_q.c t-tdiv_qr.c
t-perfsqr.c t-redc_basecase.c t-sb_bdiv_q.c t-sb_bdiv_qr.c \
t-sb_div_q.c t-sb_div_qr.c t-sb_divappr_q.c t-scan.c \
t-subadd_n.c t-tdiv_q.c t-tdiv_qr.c
DIST_SOURCES = $(am__st_fat_SOURCES_DIST) \
$(am__st_instrument_SOURCES_DIST) t-addadd_n.c t-addsub_n.c \
t-aors_1.c t-asmtype.c t-dc_div_q.c t-dc_div_qr.c \
@ -333,9 +338,9 @@ DIST_SOURCES = $(am__st_fat_SOURCES_DIST) \
t-inv_divappr_q.c t-inv_divappr_q_n.c t-invert.c t-iord_u.c \
t-lorrshift1.c t-mp_bases.c t-mullow_basecase.c t-mullowhigh.c \
t-mulmid.c t-mulmod_2expm1.c t-mulmod_2expp1.c t-neg.c \
t-perfsqr.c t-redc_basecase.c t-sb_bdiv_q.c t-sb_div_q.c \
t-sb_div_qr.c t-sb_divappr_q.c t-scan.c t-subadd_n.c \
t-tdiv_q.c t-tdiv_qr.c
t-perfsqr.c t-redc_basecase.c t-sb_bdiv_q.c t-sb_bdiv_qr.c \
t-sb_div_q.c t-sb_div_qr.c t-sb_divappr_q.c t-scan.c \
t-subadd_n.c t-tdiv_q.c t-tdiv_qr.c
ETAGS = etags
CTAGS = ctags
DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
@ -643,6 +648,9 @@ t-redc_basecase$(EXEEXT): $(t_redc_basecase_OBJECTS) $(t_redc_basecase_DEPENDENC
t-sb_bdiv_q$(EXEEXT): $(t_sb_bdiv_q_OBJECTS) $(t_sb_bdiv_q_DEPENDENCIES)
@rm -f t-sb_bdiv_q$(EXEEXT)
$(LINK) $(t_sb_bdiv_q_OBJECTS) $(t_sb_bdiv_q_LDADD) $(LIBS)
t-sb_bdiv_qr$(EXEEXT): $(t_sb_bdiv_qr_OBJECTS) $(t_sb_bdiv_qr_DEPENDENCIES)
@rm -f t-sb_bdiv_qr$(EXEEXT)
$(LINK) $(t_sb_bdiv_qr_OBJECTS) $(t_sb_bdiv_qr_LDADD) $(LIBS)
t-sb_div_q$(EXEEXT): $(t_sb_div_q_OBJECTS) $(t_sb_div_q_DEPENDENCIES)
@rm -f t-sb_div_q$(EXEEXT)
$(LINK) $(t_sb_div_q_OBJECTS) $(t_sb_div_q_LDADD) $(LIBS)

107
tests/mpn/t-sb_bdiv_qr.c Normal file
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@ -0,0 +1,107 @@
/* Test mpn_sb_bdiv_qr.
Copyright 2002 Free Software Foundation, Inc.
Copyright 2009, 2010 William Hart
This file is part of the MPIR Library.
The MPIR Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version.
The MPIR Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the MPIR Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#include <stdio.h>
#include <stdlib.h>
#include "mpir.h"
#include "gmp-impl.h"
#include "longlong.h"
#include "tests.h"
#if defined(_MSC_VER) || defined(__MINGW32__)
#define random rand
#endif
#define MAX_LIMBS 40
#define ITERS 10000
/* Check schoolboy hensel division routine. */
void
check_sb_bdiv_qr (void)
{
mp_limb_t np[2*MAX_LIMBS];
mp_limb_t np2[2*MAX_LIMBS];
mp_limb_t rp[2*MAX_LIMBS];
mp_limb_t dp[2*MAX_LIMBS];
mp_limb_t qp[2*MAX_LIMBS];
mp_limb_t dip, cy;
mp_size_t nn, rn, dn, qn;
gmp_randstate_t rands;
int i, j, s;
gmp_randinit_default(rands);
for (i = 0; i < ITERS; i++)
{
dn = (random() % (MAX_LIMBS - 2)) + 3;
nn = (random() % (MAX_LIMBS - 1)) + dn + 1;
qn = nn - dn;
mpn_rrandom (np, rands, nn);
mpn_rrandom (dp, rands, dn);
dp[0] |= 1;
MPN_COPY(np2, np, nn);
modlimb_invert(dip, dp[0]);
dip = -dip;
mpn_sb_bdiv_qr(qp, np, nn, dp, dn, dip);
if (qn)
{
if (qn >= dn) mpn_mul(rp, qp, qn, dp, dn);
else mpn_mul(rp, dp, dn, qp, qn);
} else
MPN_ZERO(rp, nn);
mpn_sub_n(rp, np2, rp, nn);
if (mpn_cmp(rp + qn, np + qn, dn) != 0)
{
printf("failed: quotient wrong!\n");
printf ("nn = %lu, dn = %lu, qn = %lu\n\n", nn, dn, qn);
gmp_printf (" np: %Nx\n\n", np2, nn);
gmp_printf (" dp: %Nx\n\n", dp, dn);
gmp_printf (" qp: %Nx\n\n", qp, qn);
gmp_printf (" rp: %Nx\n\n", rp, qn);
abort ();
}
}
gmp_randclear(rands);
}
int
main (void)
{
tests_start ();
check_sb_bdiv_qr ();
tests_end ();
exit (0);
}