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/*
Copyright (C) 2015-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/

/*
	WARNING: This file was generated by the dkct program (see
	http://dktools.sourceforge.net/ for details).
	Changes you make here will be lost if dkct is run again!
	You should modify the original source and run dkct on it.
	Original source: dk4maac.ctr
*/

#ifndef DK4MAAC_H_INCLUDED
/** Avoid multiple inclusions. */
#define DK4MAAC_H_INCLUDED 1


#line 8 "dk4maac.ctr"

/**	@file
	Arithmetic operations on signed char.
	
	CRT on Windows: Optional.
*/

#ifndef DK4CONF_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4conf.h"
#else
#include <dktools-4/dk4conf.h>
#endif
#endif

#ifndef DK4TYPES_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4types.h"
#else
#include <dktools-4/dk4types.h>
#endif
#endif

#ifndef DK4ERROR_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4error.h"
#else
#include <dktools-4/dk4error.h>
#endif
#endif



#ifdef __cplusplus
extern "C" {
#endif

/**	Absolute value.
        @param	a	Operand.
        @param	erp	Error report, may be NULL.
        @return	Result on success, SCHAR_MAX if a is SCHAR_MIN
        (overflow is reported in erp).
        
	Error codes: DK4_E_OVERFLOW.
*/
signed char
dk4ma_char_abs(signed char a, dk4_er_t *erp);

/**	Addition.
        @param	a	Left operand.
        @param	b	Right operand.
        @param	erp	Error report, may be NULL.
        @return	Result on success, least significant result bits
        on overflow (see ec component of erp).
        
	Error codes: DK4_E_OVERFLOW.
*/
signed char
dk4ma_char_add(signed char a, signed char b, dk4_er_t *erp);

/**	Subtraction.
        @param	a	Left operand.
        @param	b	Right operand.
        @param	erp	Error report, may be NULL.
        @return	Result on success, least significant result bits
        on overflow (see ec component of erp).
        
	Error codes: DK4_E_OVERFLOW.
*/
signed char
dk4ma_char_sub(signed char a, signed char b, dk4_er_t *erp);

/**	Multiplication.
        @param	a	Left factor.
        @param	b	right factor.
        @param	erp	Error report, may be NULL.
        @return	Result on success, least significant
        bits on overflow (see ec component of erp).
        
	Error codes: DK4_E_OVERFLOW.
*/
signed char
dk4ma_char_mul(signed char a, signed char b, dk4_er_t *erp);

/**	Division.
        @param	a	Counter (left operand).
        @param	b	Denominator (right operand).
        @param	erp	Error report, may be NULL.
        @return	Division result on success,
        SCHAR_MIN, SCHAR_MAX, or 0 on division by zero or overflow
        (see the ec component of erp).
        
	Error codes: DK4_E_OVERFLOW, DK4_E_DIVZERO.
*/
signed char
dk4ma_char_div(signed char a, signed char b, dk4_er_t *erp);

/**	Convert value to signed character.
	@param	i	Value to convert.
	@param	erp	Error report, may be NULL.
	@return	Conversion result.

	Error codes: DK4_E_OVERFLOW.
*/
signed char
dm4ma_char_from(dk4_im_t i, dk4_er_t *erp);

/**	Convert double to signed char.
	@param	d	Value to convert.
	@param	erp	Error report, may be NULL.
	@return	Conversion result.

	Error codes: DK4_E_OVERFLOW.
*/
signed char
dk4ma_char_from_double(double d, dk4_er_t *erp);

#ifdef __cplusplus
}
#endif


#endif