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/* Copyright (C) 1997, 1998, 1999 Aladdin Enterprises. All rights reserved.
This file is part of AFPL Ghostscript.
AFPL Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author or
distributor accepts any responsibility for the consequences of using it, or
for whether it serves any particular purpose or works at all, unless he or
she says so in writing. Refer to the Aladdin Free Public License (the
"License") for full details.
Every copy of AFPL Ghostscript must include a copy of the License, normally
in a plain ASCII text file named PUBLIC. The License grants you the right
to copy, modify and redistribute AFPL Ghostscript, but only under certain
conditions described in the License. Among other things, the License
requires that the copyright notice and this notice be preserved on all
copies.
*/
/*$Id$ */
/* Internal definitions for Functions */
#ifndef gxfunc_INCLUDED
# define gxfunc_INCLUDED
#include "gsfunc.h"
#include "gsstruct.h"
/* ---------------- Types and structures ---------------- */
/* Define the generic Function structure type. This is never instantiated. */
extern_st(st_function);
#define public_st_function() /* in gsfunc.c */\
gs_public_st_ptrs2(st_function, gs_function_t, "gs_function_t",\
function_enum_ptrs, function_reloc_ptrs, params.Domain, params.Range)
/* ---------------- Internal procedures ---------------- */
/* Generic free_params implementation. */
void fn_common_free_params(P2(gs_function_params_t * params, gs_memory_t * mem));
/* Generic free implementation. */
void fn_common_free(P3(gs_function_t * pfn, bool free_params, gs_memory_t * mem));
/* Check the values of m, n, Domain, and (if supplied) Range. */
int fn_check_mnDR(P3(const gs_function_params_t * params, int m, int n));
/* Get the monotonicity of a function over its Domain. */
int fn_domain_is_monotonic(P2(const gs_function_t *pfn,
gs_function_effort_t effort));
/* Generic get_info implementation (no Functions or DataSource). */
FN_GET_INFO_PROC(gs_function_get_info_default);
/* Write generic parameters (FunctionType, Domain, Range) on a parameter list. */
int fn_common_get_params(P2(const gs_function_t *pfn, gs_param_list *plist));
#endif /* gxfunc_INCLUDED */
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