efee5258bc
The MPFR library is a C library for multiple-precision floating-point computations with exact rounding (also called correct rounding). It is based on the GMP multiple-precision library and should replace the MPF class in further releases of GMP. GCC >= 4.2 requires MPFR.
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* mpfr_set_str -- set a floating-point number from a string
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Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
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Contributed by the Arenaire and Cacao projects, INRIA.
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This file is part of the GNU MPFR Library.
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The GNU MPFR Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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The GNU MPFR Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MPFR Library; see the file COPYING.LESSER. If not, see
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http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
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51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
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#include "mpfr-impl.h"
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int
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mpfr_set_str (mpfr_t x, const char *str, int base, mpfr_rnd_t rnd)
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{
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char *p;
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if (MPFR_UNLIKELY (*str == 0))
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return -1;
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mpfr_strtofr (x, str, &p, base, rnd);
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return (*p == 0) ? 0 : -1;
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}
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int
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mpfr_init_set_str (mpfr_ptr x, const char *str, int base, mpfr_rnd_t rnd)
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{
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mpfr_init (x);
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return mpfr_set_str (x, str, base, rnd);
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}
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