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author | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2002-07-04 11:59:27 +0000 |
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committer | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2002-07-04 11:59:27 +0000 |
commit | 7cbf9bef0bd190dd4eecccb50f63a24f2967da34 (patch) | |
tree | 6ab6922ba5566e7114a2f474a1f46d5ffd715d85 /set_exp.c | |
parent | 45aca36d68783408d2a1191bb7b21b151fda6608 (diff) | |
download | mpfr-7cbf9bef0bd190dd4eecccb50f63a24f2967da34.tar.gz |
New functions mpfr_get_exp and mpfr_set_exp.
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@1965 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'set_exp.c')
-rw-r--r-- | set_exp.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/set_exp.c b/set_exp.c new file mode 100644 index 000000000..5f9e24b1d --- /dev/null +++ b/set_exp.c @@ -0,0 +1,39 @@ +/* mpfr_set_exp - set the exponent of a floating-point number + +Copyright 2002 Free Software Foundation. + +This file is part of the MPFR Library. + +The MPFR 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 MPFR 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 MPFR 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" +#include "mpfr.h" +#include "mpfr-impl.h" + +int +mpfr_set_exp (mpfr_ptr x, mp_exp_t exponent) +{ + if (exponent >= __mpfr_emin && exponent <= __mpfr_emax) + { + MPFR_EXP(x) = exponent; + return 0; + } + else + { + return 1; + } +} |