/* 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: dk4maadu.ctr */ #ifndef DK4MAADU_H_INCLUDED /** Avoid multiple inclusions. */ #define DK4MAADU_H_INCLUDED 1 #line 10 "dk4maadu.ctr" /** @file Arithmetic operations on dk4_um_t. CRT on Windows: Optional. */ #ifndef DK4CONF_H_INCLUDED #if DK4_BUILDING_DKTOOLS4 #include "dk4conf.h" #else #include #endif #endif #ifndef DK4TYPES_H_INCLUDED #if DK4_BUILDING_DKTOOLS4 #include "dk4types.h" #else #include #endif #endif #ifndef DK4ERROR_H_INCLUDED #if DK4_BUILDING_DKTOOLS4 #include "dk4error.h" #else #include #endif #endif #ifdef __cplusplus extern "C" { #endif /** 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. */ dk4_um_t dk4ma_um_add(dk4_um_t a, dk4_um_t 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. */ dk4_um_t dk4ma_um_sub(dk4_um_t a, dk4_um_t 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. */ dk4_um_t dk4ma_um_mul(dk4_um_t a, dk4_um_t 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, DK4_UM_MAX on division by zero (see the ec component of erp). Error codes: DK4_E_DIVZERO. */ dk4_um_t dk4ma_um_div(dk4_um_t a, dk4_um_t b, dk4_er_t *erp); /** Calculate greatest common divisor of two numbers. @param a One number. @param b Other number. @return Greatest common divisor. */ dk4_um_t dk4ma_um_gcd(dk4_um_t a, dk4_um_t b); /** Calculate least common multiple of two numbers. @param a One number. @param b Other number. @param erp Error report, may be NULL. @return Least common multiple of a and b. Error codes: DK4_E_OVERFLOW, DK4_E_DIVZERO. */ dk4_um_t dk4ma_um_lcm(dk4_um_t a, dk4_um_t b, dk4_er_t *erp); /** Comparison: Is a greater than b. @param a Left comparison operand. @param b Right comparison operand. @return 1 if a>b, 0 otherwise. */ int dk4ma_um_isgr(dk4_um_t a, dk4_um_t b); /** Comparison: Is a greater than or equal to b. @param a Left comparison operand. @param b Right comparison operand. @return 1 if a>=b, 0 otherwise. */ int dk4ma_um_isgeq(dk4_um_t a, dk4_um_t b); #ifdef __cplusplus } #endif #endif