diff options
Diffstat (limited to 'mpq/set_ui.c')
-rw-r--r-- | mpq/set_ui.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/mpq/set_ui.c b/mpq/set_ui.c new file mode 100644 index 000000000..aaa9fc282 --- /dev/null +++ b/mpq/set_ui.c @@ -0,0 +1,50 @@ +/* mpq_set_ui(dest,ulong_num,ulong_den) -- Set DEST to the retional number + ULONG_NUM/ULONG_DEN. + +Copyright (C) 1991, 1994, 1995 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 Library General Public License as published by +the Free Software Foundation; either version 2 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 Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpq_set_ui (MP_RAT *dest, unsigned long int num, unsigned long int den) +#else +mpq_set_ui (dest, num, den) + MP_RAT *dest; + unsigned long int num; + unsigned long int den; +#endif +{ + if (num == 0) + { + /* Canonicalize 0/n to 0/1. */ + den = 1; + dest->_mp_num._mp_size = 0; + } + else + { + dest->_mp_num._mp_d[0] = num; + dest->_mp_num._mp_size = 1; + } + + dest->_mp_den._mp_d[0] = den; + dest->_mp_den._mp_size = 1; +} |