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/* automatically generated by sed scripts from the c source named below: */
/* cddmp.c (cddlib arithmetic operations using gmp)
written by Komei Fukuda, fukuda@math.ethz.ch
Version 0.94h, April 30, 2015
*/
/* This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "setoper.h" /* set operation library header (Ver. March 16,1995 or later) */
#include "cdd_f.h"
void ddf_set_global_constants()
{
ddf_init(ddf_zero);
ddf_init(ddf_minuszero);
ddf_init(ddf_one);
ddf_init(ddf_minusone);
ddf_init(ddf_purezero);
time(&ddf_statStartTime); /* cddlib starting time */
ddf_statBApivots=0; /* basis finding pivots */
ddf_statCCpivots=0; /* criss-cross pivots */
ddf_statDS1pivots=0; /* phase 1 pivots */
ddf_statDS2pivots=0; /* phase 2 pivots */
ddf_statACpivots=0; /* anticycling (cc) pivots */
ddf_choiceLPSolverDefault=ddf_DualSimplex; /* Default LP solver Algorithm */
ddf_choiceRedcheckAlgorithm=ddf_DualSimplex; /* Redundancy Checking Algorithm */
ddf_choiceLexicoPivotQ=ddf_TRUE; /* whether to use the lexicographic pivot */
#if defined ddf_GMPRATIONAL
ddf_statBSpivots=0; /* basis status checking pivots */
mpq_set_ui(ddf_zero,0U,1U);
mpq_set_ui(ddf_purezero,0U,1U);
mpq_set_ui(ddf_one,1U,1U);
mpq_set_si(ddf_minusone,-1L,1U);
ddf_set_global_constants();
#elif defined GMPFLOAT
mpf_set_d(ddf_zero,ddf_almostzero);
mpf_set_ui(ddf_purezero,0U);
mpf_set_ui(ddf_one,1U);
mpf_set_si(ddf_minusone,-1L,1U);
#else
ddf_zero[0]= ddf_almostzero; /*real zero */
ddf_purezero[0]= 0.0;
ddf_one[0]= 1L;
ddf_minusone[0]= -1L;
#endif
ddf_neg(ddf_minuszero,ddf_zero);
}
void ddf_free_global_constants()
{
ddf_clear(ddf_zero);
ddf_clear(ddf_minuszero);
ddf_clear(ddf_one);
ddf_clear(ddf_minusone);
ddf_clear(ddf_purezero);
time(&ddf_statStartTime); /* cddlib starting time */
ddf_statBApivots=0; /* basis finding pivots */
ddf_statCCpivots=0; /* criss-cross pivots */
ddf_statDS1pivots=0; /* phase 1 pivots */
ddf_statDS2pivots=0; /* phase 2 pivots */
ddf_statACpivots=0; /* anticycling (cc) pivots */
ddf_choiceLPSolverDefault=ddf_DualSimplex; /* Default LP solver Algorithm */
ddf_choiceRedcheckAlgorithm=ddf_DualSimplex; /* Redundancy Checking Algorithm */
ddf_choiceLexicoPivotQ=ddf_TRUE; /* whether to use the lexicographic pivot */
#if defined ddf_GMPRATIONAL
ddf_statBSpivots=0; /* basis status checking pivots */
ddf_free_global_constants();
#endif
}
#if defined ddf_GMPRATIONAL
void dddf_mpq_set_si(myfloat a,signed long b)
{
mpz_t nz, dz;
mpz_init(nz); mpz_init(dz);
mpz_set_si(nz, b);
mpz_set_ui(dz, 1U);
mpq_set_num(a, nz);
mpq_set_den(a, dz);
mpz_clear(nz); mpz_clear(dz);
}
#endif
#if defined ddf_ddf_CDOUBLE
void dddf_init(myfloat a)
{
a[0]=0L;
}
void dddf_clear(myfloat a)
{
/* a[0]=0L; */
}
void dddf_set(myfloat a,myfloat b)
{
a[0]=b[0];
}
void dddf_set_d(myfloat a,double b)
{
a[0]=b;
}
void dddf_set_si(myfloat a,signed long b)
{
a[0]=(double)b;
}
void dddf_set_si2(myfloat a,signed long b, unsigned long c)
{
a[0]=(double)b/(double)c;
}
void dddf_add(myfloat a,myfloat b,myfloat c)
{
a[0]=b[0]+c[0];
}
void dddf_sub(myfloat a,myfloat b,myfloat c)
{
a[0]=b[0]-c[0];
}
void dddf_mul(myfloat a,myfloat b,myfloat c)
{
a[0]=b[0]*c[0];
}
void dddf_div(myfloat a,myfloat b,myfloat c)
{
a[0]=b[0]/c[0];
}
void dddf_neg(myfloat a,myfloat b)
{
a[0]=-b[0];
}
void dddf_inv(myfloat a,myfloat b)
{
a[0]=1/b[0];
}
int dddf_cmp(myfloat a,myfloat b)
{
if (a[0]-b[0]>0) return 1;
else if (a[0]-b[0]>=0) return 0;
else return -1;
}
int dddf_sgn(myfloat a)
{
if (a[0]>0) return 1;
else if (a[0]>=0) return 0;
else return -1;
}
double dddf_get_d(myfloat a)
{
return a[0];
}
#endif
/* end of cddmp.h */
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