Index: gcc/mpfr/gen_inverse.h |
diff --git a/gcc/mpfr/gen_inverse.h b/gcc/mpfr/gen_inverse.h |
deleted file mode 100644 |
index d978f1ceb93e2e0fd6b1c9c92d362afb941a1e45..0000000000000000000000000000000000000000 |
--- a/gcc/mpfr/gen_inverse.h |
+++ /dev/null |
@@ -1,106 +0,0 @@ |
-/* generic inverse of a function. |
- |
-Copyright 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. */ |
- |
-#define MPFR_NEED_LONGLONG_H |
-#include "mpfr-impl.h" |
- |
-#ifndef ACTION_SPECIAL |
-#define ACTION_SPECIAL |
-#endif |
- |
-#ifndef ACTION_TINY |
-#define ACTION_TINY |
-#endif |
- |
-/* example of use: |
-#define FUNCTION mpfr_sec |
-#define INVERSE mpfr_cos |
-#define ACTION_NAN(y) do { MPFR_SET_NAN(y); MPFR_RET_NAN; } while (1) |
-#define ACTION_INF(y) do { MPFR_SET_NAN(y); MPFR_RET_NAN; } while (1) |
-#define ACTION_ZERO(y) return mpfr_set_ui (y, 1, GMP_RNDN) |
-#include "gen_inverse.h" |
-*/ |
- |
-int |
-FUNCTION (mpfr_ptr y, mpfr_srcptr x, mp_rnd_t rnd_mode) |
-{ |
- mp_prec_t precy; /* target precision */ |
- mp_prec_t m; /* working precision */ |
- mpfr_t z; /* temporary variable to store INVERSE(x) */ |
- int inexact; /* inexact flag */ |
- MPFR_ZIV_DECL (loop); |
- MPFR_SAVE_EXPO_DECL (expo); |
- |
- if (MPFR_UNLIKELY(MPFR_IS_SINGULAR(x))) |
- { |
- if (MPFR_IS_NAN(x)) |
- ACTION_NAN(y); |
- else if (MPFR_IS_INF(x)) |
- ACTION_INF(y); |
- else /* x = 0 */ |
- ACTION_ZERO(y,x); |
- } |
- |
- /* x is neither NaN, Inf nor zero */ |
- MPFR_SAVE_EXPO_MARK (expo); |
- ACTION_TINY (y, x, rnd_mode); /* special case for very small input x */ |
- precy = MPFR_PREC(y); |
- m = precy + MPFR_INT_CEIL_LOG2 (precy) + 3; |
- mpfr_init2 (z, m); |
- |
- MPFR_ZIV_INIT (loop, m); |
- for(;;) |
- { |
- MPFR_BLOCK_DECL (flags); |
- |
- MPFR_BLOCK (flags, INVERSE (z, x, GMP_RNDZ)); /* error k_u < 1 ulp */ |
- /* FIXME: the following assumes that if an overflow happens with |
- MPFR_EMAX_MAX, then necessarily an underflow happens with |
- __gmpfr_emin */ |
- if (MPFR_OVERFLOW (flags)) |
- { |
- int s = MPFR_SIGN(z); |
- MPFR_ZIV_FREE (loop); |
- mpfr_clear (z); |
- MPFR_SAVE_EXPO_FREE (expo); |
- return mpfr_underflow (y, (rnd_mode == GMP_RNDN) ? |
- GMP_RNDZ : rnd_mode, s); |
- } |
- mpfr_ui_div (z, 1, z, GMP_RNDN); |
- /* the error is less than c_w + 2*c_u*k_u (see algorithms.tex), |
- where c_w = 1/2, c_u = 1 since z was rounded towards zero, |
- thus 1/2 + 2 < 4 */ |
- if (MPFR_LIKELY (MPFR_CAN_ROUND (z, m - 2, precy, rnd_mode))) |
- break; |
- ACTION_SPECIAL; |
- MPFR_ZIV_NEXT (loop, m); |
- mpfr_set_prec (z, m); |
- } |
- MPFR_ZIV_FREE (loop); |
- |
- inexact = mpfr_set (y, z, rnd_mode); |
- mpfr_clear (z); |
- |
- end: |
- MPFR_SAVE_EXPO_FREE (expo); |
- return mpfr_check_range (y, inexact, rnd_mode); |
-} |