/* Copyright (C) 2016-2020, 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: dk4maai16.ctr */ /** @file dk4maai16.c The dk4maai16 module. */ #line 167 "dk4maai16.ctr" #include "dk4conf.h" #include "dk4maai16.h" #line 174 "dk4maai16.ctr" int16_t dk4ma_int16_t_add(int16_t a, int16_t b, dk4_er_t *erp) { if ((0 < a) && (0 < b)) { if ((DK4_I16_MAX - a) < b) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } } else { if ((0 > a) && (0 > b)) { if (DK4_I16_MIN == a) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } else { if ((DK4_I16_MIN - a) > b) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } } } } return (a + b); } int16_t dk4ma_int16_t_sub(int16_t a, int16_t b, dk4_er_t *erp) { if ((0 < a) && (0 > b)) { if ((DK4_I16_MAX + b) < a) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } } else { if ((0 > a) && (0 < b)) { if ((DK4_I16_MIN + b) > a) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } } } return (a - b); } int16_t dk4ma_int16_t_mul(int16_t a, int16_t b, dk4_er_t *erp) { if ((0 != a) && (0 != b)) { if (DK4_I16_MIN == b) { if (1 != a) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } } else { if (DK4_I16_MIN == a) { if (1 != b) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } } else { if (0 < a) { if (0 < b) { if ((DK4_I16_MAX / a) < b) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } } else { if ((DK4_I16_MIN / a) > b) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } } } else { if (0 < b) { if ((DK4_I16_MIN / b) > a) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } } else { if ((DK4_I16_MAX / (0 - a)) < (0 - b)) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } } } } } } return (a * b); } int16_t dk4ma_int16_t_div(int16_t a, int16_t b, dk4_er_t *erp) { int16_t back = 0; if (0 != b) { if ((DK4_I16_MIN == a) && (-1 == b)) { back = DK4_I16_MAX; dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } else { back = a / b; } } else { if (0 < a) { back = DK4_I16_MAX; } else { if (0 > a) { back = DK4_I16_MIN; } } dk4error_set_simple_error_code(erp, DK4_E_MATH_DIVZERO); } return back; } int16_t dk4ma_int16_t_abs(int16_t a, dk4_er_t *erp) { if (DK4_I16_MIN != a) { if ((int16_t)0 > a) { return ((int16_t)0 - a); } else { return a; } } else { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); return (DK4_I16_MAX); } } int16_t dk4ma_int16_from(dk4_im_t i, dk4_er_t *erp) { if (((dk4_im_t)(DK4_I16_MAX) < i) || ((dk4_im_t)(DK4_I16_MIN) > i)) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); } return ((int16_t)i); } int16_t dk4ma_int16_from_double(double d, dk4_er_t *erp) { int16_t back = 0; if ((double)(DK4_I16_MIN) > d) { dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); back = DK4_I16_MIN; } else { if ((double)(DK4_I16_MAX) < d) { dk4error_set_simple_error_code(erp,DK4_E_MATH_OVERFLOW); back = DK4_I16_MAX; } else { back = (int16_t)d; } } return back; }