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Diffstat (limited to 'support/dktools/dk4maal.c')
-rw-r--r-- | support/dktools/dk4maal.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/support/dktools/dk4maal.c b/support/dktools/dk4maal.c deleted file mode 100644 index 455f928540..0000000000 --- a/support/dktools/dk4maal.c +++ /dev/null @@ -1,179 +0,0 @@ -/* -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: dk4maal.ctr -*/ - -/** @file dk4maal.c The dk4maal module. -*/ - - -#line 132 "dk4maal.ctr" - -#include "dk4conf.h" -#include "dk4types.h" -#include "dk4error.h" -#include "dk4numco.h" -#include "dk4maal.h" - - - -long -dk4ma_long_abs(long a, dk4_er_t *erp) -{ - if (LONG_MIN == a) { - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - } - return ((0L <= a) ? a : ((LONG_MIN == a) ? LONG_MAX : (0L - a))); -} - - - -long -dk4ma_long_add(long a, long b, dk4_er_t *erp) -{ - if ((0L < a) && (0L < b)) { - if ((LONG_MAX - a) < b) { - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - } - } else { - if ((0L > a) && (0L > b)) { - if (LONG_MIN == a) { - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - } else { - if ((LONG_MIN - a) > b) { - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - } - } - } - } - return (a + b); -} - - - -long -dk4ma_long_sub(long a, long b, dk4_er_t *erp) -{ - if ((0L < a) && (0L > b)) { - if ((LONG_MAX + b) < a) { - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - } - } else { - if ((0L > a) && (0L < b)) { - if ((LONG_MIN + b) > a) { - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - } - } - } - return (a - b); -} - - - -long -dk4ma_long_mul(long a, long b, dk4_er_t *erp) -{ - if ((0L != a) && (0L != b)) { - if (LONG_MIN == a) { - if (1L != b) { - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - } - } else { - if (LONG_MIN == b) { - if (1L != a) { - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - } - } else { - if (0L < a) { - if (0L < b) { - if ((LONG_MAX / a) < b) { - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - } - } else { - if ((LONG_MIN / a) > b) { - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - } - } - } else { - if (0L < b) { - if ((LONG_MIN / b) > a) { - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - } - } else { - if ((LONG_MAX / (0L - a)) < (0L - b)) { - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - } - } - } - } - } - } - return (a * b); -} - - - -long -dk4ma_long_div(long a, long b, dk4_er_t *erp) -{ - long back = 0; - if (0L != b) { - if ((LONG_MIN == a) && (-1L == b)) { - back = LONG_MAX; - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - } else { - back = a / b; - } - } else { - if (0L < a) { - back = LONG_MAX; - } else { - if (0L > a) { - back = LONG_MIN; - } - } - dk4error_set_simple_error_code(erp, DK4_E_MATH_DIVZERO); - } - return back; -} - - - -long -dk4ma_long_from(dk4_im_t i, dk4_er_t *erp) -{ - if (((dk4_im_t)(LONG_MAX) < i) || ((dk4_im_t)(LONG_MIN) > i)) { - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - } - return ((long)i); -} - - - -long -dk4ma_long_from_double(double d, dk4_er_t *erp) -{ - long back = 0L; - if ((double)(LONG_MIN) > d) { - dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); - back = LONG_MIN; - } - else { - if ((double)(LONG_MAX) < d) { - dk4error_set_simple_error_code(erp,DK4_E_MATH_OVERFLOW); - back = LONG_MAX; - } - else { - back = (long)d; - } - } - return back; -} |