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// file kernel/x/h/add.h: addition/subtraction of extensible integers
/*-----------------------------------------------------------------------+
| Copyright 2005-2006, Michel Quercia (michel.quercia@prepas.org) |
| |
| This file is part of Numerix. Numerix 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 Numerix 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; see the file COPYING. If not, |
| write to the Free Software Foundation, Inc., 59 Temple Place - |
| Suite 330, Boston, MA 02111-1307, USA. |
+-----------------------------------------------------------------------+
| |
| Addition/soustraction |
| |
+-----------------------------------------------------------------------*/
/* +------------+
| Addition |
+------------+ */
/*
entre :
a,b = entiers extensibles
_c = NULL ou pointeur sur un entier extensible
s = 0 ou 1
sortie :
c <- a + (-1)^s*b
si _c != NULL, *_c <- c
retourne c
*/
xint xx(private_add)(xint *_c, xint a, xint b, long s);
/* +------------------+
| Addition mixte |
+------------------+ */
/*
entre :
a = entier extensible
b = long ou Caml/Ocaml int
_c = NULL ou pointeur sur un entier extensible
s = 0 ou 1
sortie :
c <- a + (-1)^s*b
si _c != NULL, *_c <- c
retourne c
*/
xint xx(private_add_1)(xint *_c, xint a, long b, long s);
extern inline xint xx(add) (xint *_c, xint a, xint b) {return xx(private_add) (_c,a,b,0);}
extern inline xint xx(sub) (xint *_c, xint a, xint b) {return xx(private_add) (_c,a,b,1);}
extern inline xint xx(add_1)(xint *_c, xint a, long b) {return xx(private_add_1)(_c,a,b,0);}
extern inline xint xx(sub_1)(xint *_c, xint a, long b) {return xx(private_add_1)(_c,a,b,1);}
extern inline xint xx(f_add) (xint a, xint b) {return xx(private_add) (NULL,a,b,0);}
extern inline xint xx(f_sub) (xint a, xint b) {return xx(private_add) (NULL,a,b,1);}
extern inline xint xx(f_add_1) (xint a, long b) {return xx(private_add_1)(NULL,a,b,0);}
extern inline xint xx(f_sub_1) (xint a, long b) {return xx(private_add_1)(NULL,a,b,1);}
|
