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Unified Diff: gcc/mpfr/fits_u.h

Issue 3050029: [gcc] GCC 4.5.0=>4.5.1 (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/nacl-toolchain.git
Patch Set: Created 10 years, 5 months ago
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Index: gcc/mpfr/fits_u.h
diff --git a/gcc/mpfr/fits_u.h b/gcc/mpfr/fits_u.h
deleted file mode 100644
index cadc3cfe951fe1d32243149163748fe044df432f..0000000000000000000000000000000000000000
--- a/gcc/mpfr/fits_u.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/* mpfr_fits_*_p -- test whether an mpfr fits a C unsigned type.
-
-Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
-Contributed by the Arenaire and Cacao projects, INRIA.
-
-This file is part of the GNU MPFR Library.
-
-The GNU 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 GNU 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 GNU MPFR Library; see the file COPYING.LIB. If not, write to
-the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
-MA 02110-1301, USA. */
-
-#include "mpfr-impl.h"
-
-int
-FUNCTION (mpfr_srcptr f, mp_rnd_t rnd)
-{
- mp_exp_t exp;
- mp_prec_t prec;
- TYPE s;
- mpfr_t x;
- int res;
-
- if (MPFR_UNLIKELY (MPFR_IS_SINGULAR (f)))
- /* Zero always fit */
- return MPFR_IS_ZERO (f) ? 1 : 0;
- else if (MPFR_IS_NEG (f))
- /* Negative numbers doesn't fit */
- return 0;
- /* now it fits if
- (a) f <= MAXIMUM
- (b) round(f, prec(slong), rnd) <= MAXIMUM */
-
- exp = MPFR_GET_EXP (f);
- if (exp < 1)
- return 1; /* |f| < 1: always fits */
-
- /* first compute prec(MAXIMUM) */
- for (s = MAXIMUM, prec = 0; s != 0; s /= 2, prec ++);
-
- /* MAXIMUM needs prec bits, i.e. 2^(prec-1) <= |MAXIMUM| < 2^prec */
-
- /* if exp < prec - 1, then f < 2^(prec-1) < |MAXIMUM| */
- if ((mpfr_prec_t) exp < prec - 1)
- return 1;
-
- /* if exp > prec + 1, then f >= 2^prec > MAXIMUM */
- if ((mpfr_prec_t) exp > prec + 1)
- return 0;
-
- /* remains cases exp = prec-1 to prec+1 */
-
- /* hard case: first round to prec bits, then check */
- mpfr_init2 (x, prec);
- mpfr_set (x, f, rnd);
- res = mpfr_cmp_ui (x, MAXIMUM) <= 0;
- mpfr_clear (x);
-
- return res;
-}
-
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