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/** @file numericx.h
* Numericx library header file.
*/
#ifndef _NUMERICX_H
#define _NUMERICX_H
#include <stdbool.h>
#define PROG_NAME "numericx"
/* ||DATA STRUCTURE|| */
/**
* @brief Numeral structure
*
* This struct is in use to apply our operations on the number.
* The number are converted to this struct, the operations are applied,
* and on the end, the resulting number is converted from this struct.
*/
typedef struct NumeralPtr
{
char const* symbol; /**< a pointer to the glyph/numeral/symbol of this digit. */
struct NumeralPtr *next; /**< a pointer to the next digit */
struct NumeralPtr *previous; /**< a pointer to the previous digit */
} numeral_ptr;
/* ||FUNCTIONS|| */
/**
* @brief Free numericx result.
*
* Free up the result string of numericx_translate(),
* after we are done with it.
*
* @param string - char pointer to be free.
*/
void
numericx_free(char* string);
/**
* @brief Translate string to a different numerical system.
*
* After definition of the 'from' numerical system proprieties and the
* 'to' numerical system proprieties, will be translate 'number' from the
* 'from' to the 'to' numerical system, resulting in a string.
*
* @param from - string with all the numerals of the number's numerical system.
* @param from_units_on_the_end - does the translate 'from' numerical system have units on the end (on the right)?
* @param from_first_number_void - does the translate 'from' numerical system start counting on the second number?
* @param from_infinite_base - is the translate 'from' numerical system first numeral infinite? For example, if first numeral is 'A', then does 'A' == 'AA' == 'AAA' == 'AAAA' ... ?
* @param to - string with all the numerals of the resulting number's numerical system.
* @param to_units_on_the_end - does the translate 'to' numerical system have units on the end (on the right)?
* @param to_first_number_void - does the translate 'to' numerical system start counting on the second number?
* @param to_infinite_base - is the translate 'to' numerical system first numeral infinite? For example, if first numeral is 'A', then does 'A' == 'AA' == 'AAA' == 'AAAA' ... ?
* @param number - number of the 'from' numerical system, to be translated into the 'to' numerical system.
* @param result_string - string to where to store the result.
*
* @return EINVAL if argument of result_string is not NULL.
* @return EDOM if number doesn't belong to the 'from' numerical system.
* @return ERANGE if the resulting number cannot be represented, because of a 'from' void number and a lack of void number in 'to'.
* @return EXIT_SUCCESS in case of success.
*/
int
numericx_translate(char* from, bool from_units_on_the_end, bool from_first_number_void, bool from_infinite_base, char* to, bool to_units_on_the_end, bool to_first_number_void, bool to_infinite_base, char* number, char** result_string);
#endif
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