/* 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: dk4maasz.ctr */ /** @file dk4maasz.c The dk4maasz module. */ #line 98 "dk4maasz.ctr" #include "dk4conf.h" #include "dk4types.h" #if DK4_HAVE_LIMITS_H #ifndef LIMITS_H_INCLUDED #include #define LIMITS_H_INCLUDED 1 #endif #endif #if DK4_HAVE_STDINT_H #ifndef STDINT_H_INCLUDED #if defined(__cplusplus) && (!defined(__STDC_LIMIT_MACROS)) #define __STDC_LIMIT_MACROS 1 #endif #if defined(__cplusplus) && (!defined(__STDC_CONSTANT_MACROS)) #define __STDC_CONSTANT_MACROS 1 #endif #include #define STDINT_H_INCLUDED 1 #endif #endif #include "dk4error.h" #include "dk4maasz.h" #include "dk4error.h" #include "dk4numco.h" size_t dk4ma_size_t_add(size_t a, size_t b, dk4_er_t *erp) { if ((SIZE_MAX - b) < a) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } return (a + b); } size_t dk4ma_size_t_sub(size_t a, size_t b, dk4_er_t *erp) { if (b > a) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } return (a - b); } size_t dk4ma_size_t_mul(size_t a, size_t b, dk4_er_t *erp) { if ((0 < a) && (0 < b)) { if ((SIZE_MAX / a) < b) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } } return (a * b); } size_t dk4ma_size_t_from(dk4_um_t u, dk4_er_t *erp) { if ((dk4_um_t)(SIZE_MAX) < u) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } return ((size_t)u); } size_t dk4ma_size_t_from_double(double d, dk4_er_t *erp) { size_t back = 0; if ((double)(SIZE_MAX) < d) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); back = SIZE_MAX; } else { if (0.0 > d) { dk4error_set_simple_error_code(erp,DK4_E_MATH_OVERFLOW); } else { back = (size_t)d; } } return back; }