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Diff for /OpenXM_contrib/gmp/mpfr/Attic/set_prec.c between version 1.1.1.1 and 1.1.1.2

version 1.1.1.1, 2000/09/09 14:12:19 version 1.1.1.2, 2003/08/25 16:06:07
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 /* mpfr_set_prec -- reset the precision of a floating-point number  /* mpfr_set_prec -- reset the precision of a floating-point number
   
 Copyright (C) 1999 PolKA project, Inria Lorraine and Loria  Copyright 1999, 2001 Free Software Foundation, Inc.
   
 This file is part of the MPFR Library.  This file is part of the MPFR Library.
   
 The MPFR Library is free software; you can redistribute it and/or modify  The MPFR Library is free software; you can redistribute it and/or modify
 it under the terms of the GNU Library General Public License as published by  it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation; either version 2 of the License, or (at your  the Free Software Foundation; either version 2.1 of the License, or (at your
 option) any later version.  option) any later version.
   
 The MPFR Library is distributed in the hope that it will be useful, but  The MPFR Library is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
 License for more details.  License for more details.
   
 You should have received a copy of the GNU Library General Public License  You should have received a copy of the GNU Lesser General Public License
 along with the MPFR Library; see the file COPYING.LIB.  If not, write to  along with the MPFR Library; see the file COPYING.LIB.  If not, write to
 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,  the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 MA 02111-1307, USA. */  MA 02111-1307, USA. */
Line 23  MA 02111-1307, USA. */
Line 23  MA 02111-1307, USA. */
 #include "gmp.h"  #include "gmp.h"
 #include "gmp-impl.h"  #include "gmp-impl.h"
 #include "mpfr.h"  #include "mpfr.h"
   #include "mpfr-impl.h"
   
 void  int
 #if __STDC__  mpfr_set_prec (mpfr_ptr x, mp_prec_t p)
 mpfr_set_prec (mpfr_t x, unsigned long int p)  
 #else  
 mpfr_set_prec (x, p)  
      mpfr_t x;  
      unsigned long int p;  
 #endif  
 {  {
   unsigned long xsize;    mp_size_t xsize;
   
   if (p==0) {    MPFR_ASSERTN(p >= MPFR_PREC_MIN && p <= MPFR_PREC_MAX);
     printf("*** cannot set precision to 0 bits\n"); exit(1);  
   }  
   
   xsize = (p - 1)/BITS_PER_MP_LIMB + 1; /* new limb size */    xsize = (p - 1) / BITS_PER_MP_LIMB + 1; /* new limb size */
   
   if (xsize > ABSSIZE(x)) {    if (xsize > MPFR_ABSSIZE(x))
     x -> _mp_d = (mp_ptr) (*_mp_reallocate_func)      {
       (x -> _mp_d, ABSSIZE(x)*BYTES_PER_MP_LIMB, xsize * BYTES_PER_MP_LIMB);        MPFR_MANT(x) = (mp_ptr) (*__gmp_reallocate_func)
     SIZE(x) = xsize; /* new number of allocated limbs */          (MPFR_MANT(x), (size_t) MPFR_ABSSIZE(x) * BYTES_PER_MP_LIMB,
   }           (size_t) xsize * BYTES_PER_MP_LIMB);
         MPFR_SIZE(x) = xsize; /* new number of allocated limbs */
       }
   
   x -> _mp_prec = p;    MPFR_PREC(x) = p;
     MPFR_SET_NAN(x); /* initializes to NaN */
   
     return MPFR_MANT(x) == NULL;
 }  }
   
 unsigned long int  mp_prec_t
 #if __STDC__  mpfr_get_prec (mpfr_srcptr x)
 mpfr_get_prec (mpfr_t x)  
 #else  
 mpfr_get_prec (x)  
      mpfr_t x;  
 #endif  
 {  {
   return x -> _mp_prec;    return MPFR_PREC(x);
 }  }
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