Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(286)

Unified Diff: gcc/gmp/mpz/kronzs.c

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
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « gcc/gmp/mpz/kronuz.c ('k') | gcc/gmp/mpz/kronzu.c » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: gcc/gmp/mpz/kronzs.c
diff --git a/gcc/gmp/mpz/kronzs.c b/gcc/gmp/mpz/kronzs.c
deleted file mode 100644
index 045e5563d94a0d4716409e1e78d69c8940e8a2a4..0000000000000000000000000000000000000000
--- a/gcc/gmp/mpz/kronzs.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/* mpz_kronecker_si -- mpz+long Kronecker/Jacobi symbol.
-
-Copyright 1999, 2000, 2001, 2002 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 Lesser General Public License as published by
-the Free Software Foundation; either version 3 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 Lesser General Public
-License for more details.
-
-You should have received a copy of the GNU Lesser General Public License
-along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
-
-#include "gmp.h"
-#include "gmp-impl.h"
-#include "longlong.h"
-
-
-/* After the absolute value of b is established it's treated as an unsigned
- long, because 0x80..00 doesn't fit in a signed long. */
-
-int
-mpz_kronecker_si (mpz_srcptr a, long b)
-{
- mp_srcptr a_ptr;
- mp_size_t a_size;
- mp_limb_t a_rem, b_limb;
- int result_bit1;
-
- a_size = SIZ(a);
- if (a_size == 0)
- return JACOBI_0S (b);
-
-#if GMP_NUMB_BITS < BITS_PER_ULONG
- if (b > GMP_NUMB_MAX || b < -GMP_NUMB_MAX)
- {
- mp_limb_t blimbs[2];
- mpz_t bz;
- ALLOC(bz) = numberof (blimbs);
- PTR(bz) = blimbs;
- mpz_set_si (bz, b);
- return mpz_kronecker (a, bz);
- }
-#endif
-
- result_bit1 = JACOBI_BSGN_SS_BIT1 (a_size, b);
- b_limb = (unsigned long) ABS (b);
- a_ptr = PTR(a);
-
- if ((b_limb & 1) == 0)
- {
- mp_limb_t a_low = a_ptr[0];
- int twos;
-
- if (b_limb == 0)
- return JACOBI_LS0 (a_low, a_size); /* (a/0) */
-
- if (! (a_low & 1))
- return 0; /* (even/even)=0 */
-
- /* (a/2)=(2/a) for a odd */
- count_trailing_zeros (twos, b_limb);
- b_limb >>= twos;
- result_bit1 ^= JACOBI_TWOS_U_BIT1 (twos, a_low);
- }
-
- if (b_limb == 1)
- return JACOBI_BIT1_TO_PN (result_bit1); /* (a/1)=1 for any a */
-
- result_bit1 ^= JACOBI_ASGN_SU_BIT1 (a_size, b_limb);
- a_size = ABS(a_size);
-
- /* (a/b) = (a mod b / b) */
- JACOBI_MOD_OR_MODEXACT_1_ODD (result_bit1, a_rem, a_ptr, a_size, b_limb);
- return mpn_jacobi_base (a_rem, b_limb, result_bit1);
-}
« no previous file with comments | « gcc/gmp/mpz/kronuz.c ('k') | gcc/gmp/mpz/kronzu.c » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698