Extending the mpn interface
Niels Möller
nisse at lysator.liu.se
Wed Feb 20 22:46:29 CET 2013
nisse at lysator.liu.se (Niels Möller) writes:
> Below is a revised draft interface. Comments appreciated. I think I'll
> try to get this in fairly soon.
Another revision, this time as a patch. As you can see, I renamed things
a bit more. Compile tested only...
Regards,
/Niels
diff -r d5352c3cce8b gmp-h.in
--- a/gmp-h.in Wed Feb 20 22:01:47 2013 +0100
+++ b/gmp-h.in Wed Feb 20 22:42:36 2013 +0100
@@ -1117,6 +1117,22 @@ using std::FILE;
#define mpz_eor __gmpz_xor
__GMP_DECLSPEC void mpz_xor (mpz_ptr, mpz_srcptr, mpz_srcptr);
+#define mpz_limbs_read __gmpz_limbs_read
+__GMP_DECLSPEC mp_srcptr mpz_limbs_read (mpz_srcptr);
+
+#define mpz_limbs_write __gmpz_limbs_write
+__GMP_DECLSPEC mp_ptr mpz_limbs_write (mpz_ptr, mp_size_t);
+
+#define mpz_limbs_modify __gmpz_limbs_modify
+__GMP_DECLSPEC mp_ptr mpz_limbs_modify (mpz_ptr, mp_size_t);
+
+#define mpz_limbs_finish __gmpz_limbs_finish
+__GMP_DECLSPEC void mpz_limbs_finish (mp_ptr, mp_size_t);
+
+#define mpz_roinit_n __gmpz_roinit_n
+__GMP_DECLSPEC mpz_srcptr mpz_roinit_n (mpz_ptr, mp_srcptr, mp_size_t);
+
+#define MPZ_ROINIT_N(xp, xs) {{0, (xs),(xp) }}
/**************** Rational (i.e. Q) routines. ****************/
diff -r d5352c3cce8b mpz/Makefile.am
--- a/mpz/Makefile.am Wed Feb 20 22:01:47 2013 +0100
+++ b/mpz/Makefile.am Wed Feb 20 22:42:36 2013 +0100
@@ -43,12 +43,13 @@ libmpz_la_SOURCES = aors.h aors_ui.h fit
import.c init.c init2.c inits.c inp_raw.c inp_str.c \
invert.c ior.c iset.c iset_d.c iset_si.c iset_str.c iset_ui.c \
jacobi.c kronsz.c kronuz.c kronzs.c kronzu.c \
- lcm.c lcm_ui.c lucnum_ui.c lucnum2_ui.c mfac_uiui.c millerrabin.c \
+ lcm.c lcm_ui.c limbs_read.c limbs_write.c limbs_modify.c limbs_finish.c \
+ lucnum_ui.c lucnum2_ui.c mfac_uiui.c millerrabin.c \
mod.c mul.c mul_2exp.c mul_si.c mul_ui.c n_pow_ui.c neg.c nextprime.c \
oddfac_1.c \
out_raw.c out_str.c perfpow.c perfsqr.c popcount.c pow_ui.c powm.c \
powm_sec.c powm_ui.c pprime_p.c prodlimbs.c primorial_ui.c random.c random2.c \
- realloc.c realloc2.c remove.c root.c rootrem.c rrandomb.c \
+ realloc.c realloc2.c remove.c roinit_n.c root.c rootrem.c rrandomb.c \
scan0.c scan1.c set.c set_d.c set_f.c set_q.c set_si.c set_str.c \
set_ui.c setbit.c size.c sizeinbase.c sqrt.c sqrtrem.c sub.c sub_ui.c \
swap.c tdiv_ui.c tdiv_q.c tdiv_q_2exp.c tdiv_q_ui.c tdiv_qr.c \
diff -r d5352c3cce8b mpz/limbs_finish.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mpz/limbs_finish.c Wed Feb 20 22:42:36 2013 +0100
@@ -0,0 +1,29 @@
+/* mpz_finish_limbs -- Update mpz after writing to the limb array.
+
+Copyright 2013 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"
+
+void
+mpz_limbs_finish (mpz_ptr x, mp_size_t xs)
+{
+ mp_size_t xn = ABS(xs);
+ MPN_NORMALIZE (PTR (x), xn);
+ SIZ (x) = xs < 0 ? -xn : xn;
+}
diff -r d5352c3cce8b mpz/limbs_modify.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mpz/limbs_modify.c Wed Feb 20 22:42:36 2013 +0100
@@ -0,0 +1,28 @@
+/* mpz_limbs_modify -- Read-and-modify access to the mpn-style limb array.
+
+Copyright 2013 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"
+
+mp_ptr
+mpz_limbs_modify (mpz_ptr x, mp_size_t n)
+{
+ ASSERT (n > 0);
+ return MPZ_REALLOC (x, n);
+}
diff -r d5352c3cce8b mpz/limbs_read.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mpz/limbs_read.c Wed Feb 20 22:42:36 2013 +0100
@@ -0,0 +1,27 @@
+/* mpz_limbs_read -- Read access to the mpn-style limb array.
+
+Copyright 2013 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"
+
+mp_srcptr
+mpz_limbs_read (mpz_srcptr x)
+{
+ return PTR(x);
+}
diff -r d5352c3cce8b mpz/limbs_write.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mpz/limbs_write.c Wed Feb 20 22:42:36 2013 +0100
@@ -0,0 +1,28 @@
+/* mpz_limbs_write -- Write access to the mpn-style limb array.
+
+Copyright 2013 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"
+
+mp_ptr
+mpz_limbs_write (mpz_ptr x, mp_size_t n)
+{
+ ASSERT (n > 0);
+ return MPZ_NEWALLOC (x, n);
+}
diff -r d5352c3cce8b mpz/roinit_n.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mpz/roinit_n.c Wed Feb 20 22:42:36 2013 +0100
@@ -0,0 +1,30 @@
+/* mpz_roinit_n -- Initialize mpz with read-only limb array.
+
+Copyright 2013 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"
+
+mpz_srcptr
+mpz_roinit_n (mpz_ptr x, mp_srcptr xp, mp_size_t xs)
+{
+ ALLOC (x) = 0;
+ SIZ (x) = xs;
+ PTR (x) = xp;
+ return x;
+}
--
Niels Möller. PGP-encrypted email is preferred. Keyid C0B98E26.
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