X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/ba6e6b64033b1f9de49feccb5c9cd438354481f7..0f00dc4c8eb47e67bc0f148c2dd109f73a451e0a:/field.c

diff --git a/field.c b/field.c
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-/* -*-c-*-
- *
- * $Id$
- *
- * Abstract field operations
- *
- * (c) 2001 Straylight/Edgeware
- */
-
-/*----- Licensing notice --------------------------------------------------*
- *
- * This file is part of Catacomb.
- *
- * Catacomb is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Library General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * Catacomb 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 Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with Catacomb; if not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-/*----- Header files ------------------------------------------------------*/
-
-#include "field.h"
-#include "mp.h"
-
-/*----- Main code ---------------------------------------------------------*/
-
-/* --- @field_id@ --- *
- *
- * Arguments:	@field *f@ = pointer to a field
- *		@mp *d@ = a destination element
- *		@mp *x@ = a source element
- *
- * Returns:	The result element.
- *
- * Use:		An identity operation which can be used if your field has no
- *		internal representation.
- */
-
-mp *field_id(field *f, mp *d, mp *x)
-  { x = MP_COPY(x); if (d) MP_DROP(d); return (x); }
-
-/* --- @field_samep@ --- *
- *
- * Arguments:	@field *f, *g@ = two fields
- *
- * Returns:	Nonzero if the fields are identical (not just isomorphic).
- *
- * Use:		Checks for sameness of fields.  This function does the full
- *		check, not just the field-type-specific check done by the
- *		@sampep@ field operation.
- */
-
-int field_samep(field *f, field *g)
-  { return (f == g || (f->ops == g->ops && F_SAMEP(f, g))); }
-
-/* --- @field_stdsamep@ --- *
- *
- * Arguments:	@field *f, *g@ = two fields
- *
- * Returns:	Nonzero if the fields are identical (not just isomorphic).
- *
- * Use:		Standard sameness check, based on equality of the @m@
- *		member.
- */
-
-int field_stdsamep(field *f, field *g) { return (MP_EQ(f->m, g->m)); }
-
-/*----- That's all, folks -------------------------------------------------*/