/* 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: dk4maaui.ctr */ /** @file dk4maaui.c The dk4maaui module. */ #line 123 "dk4maaui.ctr" #include "dk4conf.h" #include "dk4types.h" #include "dk4error.h" #include "dk4numco.h" #include "dk4maaui.h" unsigned dk4ma_uint_add(unsigned a, unsigned b, dk4_er_t *erp) { if ((UINT_MAX - a) < b) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } return (unsigned)(a + b); } unsigned dk4ma_uint_sub(unsigned a, unsigned b, dk4_er_t *erp) { if (b > a) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } return (unsigned)(a - b); } unsigned dk4ma_uint_mul(unsigned a, unsigned b, dk4_er_t *erp) { if (0U < a) { if ((UINT_MAX / a) < b) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } } return (unsigned)(a * b); } unsigned dk4ma_uint_div(unsigned a, unsigned b, dk4_er_t *erp) { if (0U < b) { return (unsigned)(a / b); } else { dk4error_set_simple_error_code(erp, DK4_E_MATH_DIVZERO); return (unsigned)(UINT_MAX); } } unsigned dk4ma_uint_from(dk4_um_t u, dk4_er_t *erp) { if ((dk4_um_t)(UINT_MAX) < u) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } return ((unsigned)u); } unsigned dk4ma_uint_from_double(double d, dk4_er_t *erp) { unsigned back = 0U; if ((double)(UINT_MAX) < d) { back = UINT_MAX; dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } else { if (0.0 > d) { dk4error_set_simple_error_code(erp,DK4_E_MATH_OVERFLOW); } else { back = (unsigned)d; } } return back; }