/* WARNING: This file was generated by dkct. 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: dk3mal.ctr */ /* Copyright (C) 2014-2017, Dirk Krause Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above opyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the author nor the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @file dk3mal.c The dk3mal module. */ #line 306 "dk3mal.ctr" #include "dk3ma.h" #line 314 "dk3mal.ctr" long dk3ma_l_abs_ok(long a, int *ec) { if (NULL != ec) { if(DK3_L_MIN == a) { *ec = DK3_ERROR_MATH_OVERFLOW; } } return ((0L <= a) ? a : (0L - a)); } long dk3ma_l_add_ok(long a, long b, int *ec) { if (NULL != ec) { if ((0L < a) && (0L < b)) { if((DK3_L_MAX - a) < b) { *ec = DK3_ERROR_MATH_OVERFLOW; } } else { if ((0L > a) && (0L > b)) { if (DK3_L_MIN == a) { *ec = DK3_ERROR_MATH_OVERFLOW; } else { if ((DK3_L_MIN - a) > b) { *ec = DK3_ERROR_MATH_OVERFLOW; } } } } } return (a + b); } long dk3ma_l_sub_ok(long a, long b, int *ec) { if (NULL != ec) { if ((0L < a) && (0L > b)) { if((DK3_L_MAX + b) < a) { *ec = DK3_ERROR_MATH_OVERFLOW; } } else { if ((0L > a) && (0L < b)) { if((DK3_L_MIN + b) > a) { *ec = DK3_ERROR_MATH_OVERFLOW; } } } } return (a - b); } #if VERSION_BEFORE_20141018 long dk3ma_l_mul_ok(long a, long b, int *ec) { if (NULL != ec) { if ((0L != a) && (0L != b)) { if ((DK3_L_MIN == a) && (1L != b)) { *ec = DK3_ERROR_MATH_OVERFLOW; goto checksfinished; } if ((DK3_L_MIN == b) && (1L != a)) { *ec = DK3_ERROR_MATH_OVERFLOW; goto checksfinished; } if ((DK3_L_MAX / dk3ma_l_abs_ok(a, ec)) < dk3ma_l_abs_ok(b, ec)) { *ec = DK3_ERROR_MATH_OVERFLOW; /* goto checksfinished; -- when adding further tests -- */ } } } checksfinished: return (a * b); } #else long dk3ma_l_mul_ok(long a, long b, int *ec) { if ((NULL != ec) && (0L != a) && (0L != b)) { if (DK3_L_MIN == a) { if (1L != b) { *ec = DK3_ERROR_MATH_OVERFLOW; } goto finished; } if (DK3_L_MIN == b) { if (1L != a) { *ec = DK3_ERROR_MATH_OVERFLOW; } goto finished; } if (0L < a) { if (0L < b) { if ((DK3_L_MAX / a) < b) { *ec = DK3_ERROR_MATH_OVERFLOW; } } else { if ((DK3_L_MIN / a) > b) { *ec = DK3_ERROR_MATH_OVERFLOW; } } } else { if (0L < b) { if ((DK3_L_MIN / b) > a) { *ec = DK3_ERROR_MATH_OVERFLOW; } } else { if ((DK3_L_MAX / (0L - a)) < (0L - b)) { *ec = DK3_ERROR_MATH_OVERFLOW; } } } } finished: return (a * b); } #endif long dk3ma_l_div_ok(long a, long b, int *ec) { long back = 0L; if (0L != b) { if ((DK3_L_MIN == a) && (-1L == b)) { back = DK3_L_MAX; *ec = DK3_ERROR_MATH_OVERFLOW; } else { back = a / b; } } else { if (NULL != ec) { *ec = DK3_ERROR_MATH_DIVZERO; } if (0L <= a) { back = DK3_L_MAX; } else { back = DK3_L_MIN; } } return back; } long dk3ma_l_gcd_ok(long a, long b, int *ec) { long h; if (0L > a) { if (DK3_L_MIN == a) { a = 0L; if (NULL != ec) { *ec = DK3_ERROR_MATH_OVERFLOW; } goto finished; } else { a = 0L - a; } } if (0L > b) { if (DK3_L_MIN == b) { a = 0L; if (NULL != ec) { *ec = DK3_ERROR_MATH_OVERFLOW; } goto finished; } else { b = 0L - b; } } while (0L < b) { h = a % b; a = b; b = h; } if (0L == a) { a = 1L; } finished: return a; } #if DK3_HAVE_LONG_LONG long long dk3ma_ll_abs_ok(long long a, int *ec) { if (NULL != ec) { if(DK3_LL_MIN == a) { *ec = DK3_ERROR_MATH_OVERFLOW; } } return ((0LL <= a) ? a : (0L - a)); } long long dk3ma_ll_add_ok(long long a, long long b, int *ec) { if (NULL != ec) { if ((0LL < a) && (0LL < b)) { if((DK3_LL_MAX - a) < b) { *ec = DK3_ERROR_MATH_OVERFLOW; } } else { if ((0LL > a) && (0LL > b)) { if (DK3_LL_MIN == a) { *ec = DK3_ERROR_MATH_OVERFLOW; } else { if ((DK3_LL_MIN - a) > b) { *ec = DK3_ERROR_MATH_OVERFLOW; } } } } } return (a + b); } long long dk3ma_ll_sub_ok(long long a, long long b, int *ec) { if (NULL != ec) { if ((0LL < a) && (0LL > b)) { if((DK3_LL_MAX + b) < a) { *ec = DK3_ERROR_MATH_OVERFLOW; } } else { if ((0LL > a) && (0LL < b)) { if((DK3_LL_MIN + b) > a) { *ec = DK3_ERROR_MATH_OVERFLOW; } } } } return (a - b); } #if VERSION_BEFORE_20141018 long long dk3ma_ll_mul_ok(long long a, long long b, int *ec) { if (NULL != ec) { if ((0LL != a) && (0LL != b)) { if ((DK3_LL_MIN == a) && (1LL != b)) { *ec = DK3_ERROR_MATH_OVERFLOW; goto checksfinished; } if ((DK3_LL_MIN == b) && (1LL != a)) { *ec = DK3_ERROR_MATH_OVERFLOW; goto checksfinished; } if ((DK3_LL_MAX / dk3ma_ll_abs_ok(a, ec)) < dk3ma_ll_abs_ok(b, ec)) { *ec = DK3_ERROR_MATH_OVERFLOW; /* goto checksfinished; -- when adding further tests -- */ } } } checksfinished: return (a * b); } #else long long dk3ma_ll_mul_ok(long long a, long long b, int *ec) { if ((NULL != ec) && (0LL != a) && (0LL != b)) { if (DK3_LL_MIN == a) { if (1LL != b) { *ec = DK3_ERROR_MATH_OVERFLOW; } goto finished; } if (DK3_LL_MIN == b) { if (1LL != a) { *ec = DK3_ERROR_MATH_OVERFLOW; } goto finished; } if (0LL < a) { if (0LL < b) { if ((DK3_LL_MAX / a) < b) { *ec = DK3_ERROR_MATH_OVERFLOW; } } else { if ((DK3_LL_MIN / a) > b) { *ec = DK3_ERROR_MATH_OVERFLOW; } } } else { if (0LL < b) { if ((DK3_LL_MIN / b) > a) { *ec = DK3_ERROR_MATH_OVERFLOW; } } else { if ((DK3_LL_MAX / (0LL - a)) < (0LL - b)) { *ec = DK3_ERROR_MATH_OVERFLOW; } } } } finished: return (a * b); } #endif long long dk3ma_ll_div_ok(long long a, long long b, int *ec) { long long back = 0L; if (0LL != b) { if ((DK3_LL_MIN == a) && (-1LL == b)) { back = DK3_LL_MAX; *ec = DK3_ERROR_MATH_OVERFLOW; } else { back = a / b; } } else { if (NULL != ec) { *ec = DK3_ERROR_MATH_DIVZERO; } if (0LL <= a) { back = DK3_LL_MAX; } else { back = DK3_LL_MIN; } } return back; } long long dk3ma_ll_gcd_ok(long long a, long long b, int *ec) { long long h; if (0LL > a) { if (DK3_LL_MIN == a) { a = 0LL; if (NULL != ec) { *ec = DK3_ERROR_MATH_OVERFLOW; } goto finished; } else { a = 0LL - a; } } if (0LL > b) { if (DK3_LL_MIN == b) { a = 0LL; if (NULL != ec) { *ec = DK3_ERROR_MATH_OVERFLOW; } goto finished; } else { b = 0LL - b; } } while (0LL < b) { h = a % b; a = b; b = h; } if (0LL == a) { a = 1LL; } finished: return a; } #endif #if DK3_HAVE_INTMAX_T intmax_t dk3ma_intmax_t_abs_ok(intmax_t a, int *ec) { if (ec) { if (DK3_INTMAX_T_MIN == a) { *ec = DK3_ERROR_MATH_OVERFLOW; } } return ((DK3_INTMAX_T_0 <= a) ? a : (DK3_INTMAX_T_0 - a)); } intmax_t dk3ma_intmax_t_add_ok(intmax_t a, intmax_t b, int *ec) { if (NULL != ec) { if ((DK3_INTMAX_T_0 < a) && (DK3_INTMAX_T_0 < b)) { if ((DK3_INTMAX_T_MAX - a) < b) { *ec = DK3_ERROR_MATH_OVERFLOW; } } else { if ((DK3_INTMAX_T_0 > a) && (DK3_INTMAX_T_0 > b)) { if (DK3_INTMAX_T_MIN == a) { *ec = DK3_ERROR_MATH_OVERFLOW; } else { if ((DK3_INTMAX_T_MIN - a) > b) { *ec = DK3_ERROR_MATH_OVERFLOW; } } } } } return (a + b); } intmax_t dk3ma_intmax_t_sub_ok(intmax_t a, intmax_t b, int *ec) { if (NULL != ec) { if((DK3_INTMAX_T_0 < a) && (DK3_INTMAX_T_0 > b)) { if((DK3_INTMAX_T_MAX + b) < a) { *ec = DK3_ERROR_MATH_OVERFLOW; } } else { if((DK3_INTMAX_T_0 > a) && (DK3_INTMAX_T_0 < b)) { if((DK3_INTMAX_T_MIN + b) > a) { *ec = DK3_ERROR_MATH_OVERFLOW; } } } } return (a - b); } #if VERSION_BEFORE_20141018 intmax_t dk3ma_intmax_t_mul_ok(intmax_t a, intmax_t b, int *ec) { if (NULL != ec) { if ((DK3_INTMAX_T_0 != a) && (DK3_INTMAX_T_0 != b)) { if ((DK3_INTMAX_T_MIN == a) && (DK3_INTMAX_T_1 != b)) { *ec = DK3_ERROR_MATH_OVERFLOW; goto checksfinished; } if ((DK3_INTMAX_T_MIN == b) && (DK3_INTMAX_T_1 != a)) { *ec = DK3_ERROR_MATH_OVERFLOW; goto checksfinished; } if ( (DK3_INTMAX_T_MAX / dk3ma_intmax_t_abs_ok(a, ec)) < dk3ma_intmax_t_abs_ok(b, ec) ) { *ec = DK3_ERROR_MATH_OVERFLOW; /* goto checksfinished; -- when adding further tests -- */ } } } checksfinished: return (a * b); } #else intmax_t dk3ma_intmax_t_mul_ok(intmax_t a, intmax_t b, int *ec) { if ((NULL != ec) && (DK3_INTMAX_T_0 != a) && (DK3_INTMAX_T_0 != b)) { if (DK3_INTMAX_T_MIN == a) { if (DK3_INTMAX_T_1 != b) { *ec = DK3_ERROR_MATH_OVERFLOW; } goto finished; } if (DK3_INTMAX_T_MIN == b) { if (DK3_INTMAX_T_1 != a) { *ec = DK3_ERROR_MATH_OVERFLOW; } goto finished; } if (DK3_INTMAX_T_0 < a) { if (DK3_INTMAX_T_0 < b) { if ((DK3_INTMAX_T_MAX / a) < b) { *ec = DK3_ERROR_MATH_OVERFLOW; } } else { if ((DK3_INTMAX_T_MIN / a) > b) { *ec = DK3_ERROR_MATH_OVERFLOW; } } } else { if (DK3_INTMAX_T_0 < b) { if ((DK3_INTMAX_T_MIN / b) > a) { *ec = DK3_ERROR_MATH_OVERFLOW; } } else { if ((DK3_INTMAX_T_MAX / (DK3_INTMAX_T_0 - a)) < (DK3_INTMAX_T_0 - b)) { *ec = DK3_ERROR_MATH_OVERFLOW; } } } } finished: return (a * b); } #endif intmax_t dk3ma_intmax_t_div_ok(intmax_t a, intmax_t b, int *ec) { intmax_t back = DK3_INTMAX_T_0; if (DK3_INTMAX_T_0 != b) { if ((DK3_INTMAX_T_MIN == a) && ((-DK3_INTMAX_T_1) == b)) { back = DK3_INTMAX_T_MAX; *ec = DK3_ERROR_MATH_OVERFLOW; } else { back = (a / b); } } else { if (NULL != ec) { *ec = DK3_ERROR_MATH_DIVZERO; } if (DK3_INTMAX_T_0 <= a) { back = DK3_INTMAX_T_MAX; } else { back = DK3_INTMAX_T_MIN; } } return back; } intmax_t dk3ma_intmax_t_gcd_ok(intmax_t a, intmax_t b, int *ec) { intmax_t h; if (DK3_INTMAX_T_0 > a) { if (DK3_INTMAX_T_MIN == a) { a = DK3_INTMAX_T_0; if (NULL != ec) { *ec = DK3_ERROR_MATH_OVERFLOW; } goto finished; } else { a = DK3_INTMAX_T_0 - a; } } if (DK3_INTMAX_T_0 > b) { if (DK3_INTMAX_T_MIN == b) { a = DK3_INTMAX_T_0; if (NULL != ec) { *ec = DK3_ERROR_MATH_OVERFLOW; } goto finished; } else { b = DK3_INTMAX_T_0 - b; } } while (DK3_INTMAX_T_0 < b) { h = a % b; a = b; b = h; } if (DK3_INTMAX_T_0 == a) { a = DK3_INTMAX_T_1 ; } finished: return a; } #endif dk3_im_t dk3ma_im_abs_ok(dk3_im_t a, int *ec) { #if DK3_HAVE_INTMAX_T return (dk3ma_intmax_t_abs_ok(a, ec)); #else #if DK3_HAVE_LONG_LONG return (dk3ma_ll_abs_ok(a, ec)); #else return (dk3ma_l_abs_ok(a, ec)); #endif #endif } dk3_im_t dk3ma_im_add_ok(dk3_im_t a, dk3_im_t b, int *ec) { #if DK3_HAVE_INTMAX_T return (dk3ma_intmax_t_add_ok(a, b, ec)); #else #if DK3_HAVE_LONG_LONG return (dk3ma_ll_add_ok(a, b, ec)); #else return (dk3ma_l_add_ok(a, b, ec)); #endif #endif } dk3_im_t dk3ma_im_sub_ok(dk3_im_t a, dk3_im_t b, int *ec) { #if DK3_HAVE_INTMAX_T return (dk3ma_intmax_t_sub_ok(a, b, ec)); #else #if DK3_HAVE_LONG_LONG return (dk3ma_ll_sub_ok(a, b, ec)); #else return (dk3ma_l_sub_ok(a, b, ec)); #endif #endif } dk3_im_t dk3ma_im_mul_ok(dk3_im_t a, dk3_im_t b, int *ec) { #if DK3_HAVE_INTMAX_T return (dk3ma_intmax_t_mul_ok(a, b, ec)); #else #if DK3_HAVE_LONG_LONG return (dk3ma_ll_mul_ok(a, b, ec)); #else return (dk3ma_l_mul_ok(a, b, ec)); #endif #endif } dk3_im_t dk3ma_im_div_ok(dk3_im_t a, dk3_im_t b, int *ec) { #if DK3_HAVE_INTMAX_T return (dk3ma_intmax_t_div_ok(a, b, ec)); #else #if DK3_HAVE_LONG_LONG return (dk3ma_ll_div_ok(a, b, ec)); #else return (dk3ma_l_div_ok(a, b, ec)); #endif #endif } dk3_im_t dk3ma_im_gcd_ok(dk3_im_t a, dk3_im_t b, int *ec) { #if DK3_HAVE_INTMAX_T return (dk3ma_intmax_t_gcd_ok(a, b, ec)); #else #if DK3_HAVE_LONG_LONG return (dk3ma_ll_gcd_ok(a, b, ec)); #else return (dk3ma_l_gcd_ok(a, b, ec)); #endif #endif }