mpf/set_ui.c


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/* mpf_set_ui() -- Assign a float from an unsigned int.

Copyright 1993-1995, 2001, 2002, 2004 Free Software Foundation, Inc.

This file is part of the GNU MP Library.

The GNU MP 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 3 of the License, or (at
your option) any later version.

The GNU MP 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 GNU MP Library.  If not, see https://www.gnu.org/licenses/.  */

#include "gmp.h"
#include "gmp-impl.h"

void
mpf_set_ui (mpf_ptr f, unsigned long val)
{
  mp_size_t size;

  f->_mp_d[0] = val & GMP_NUMB_MASK;
  size = val != 0;

#if BITS_PER_ULONG > GMP_NUMB_BITS
  val >>= GMP_NUMB_BITS;
  f->_mp_d[1] = val;
  size += (val != 0);
#endif

  f->_mp_exp = f->_mp_size = size;
}