%% options copyright owner = Dirk Krause copyright year = 2015-xxxx license = bsd %% header /** @file Arithmetic operations on dk4_im_t. CRT on Windows: Optional. */ #ifndef DK4CONF_H_INCLUDED #include "dk4conf.h" #endif #ifndef DK4TYPES_H_INCLUDED #include "dk4types.h" #endif #ifndef DK4ERROR_H_INCLUDED #include "dk4error.h" #endif #ifdef __cplusplus extern "C" { #endif /** Absolute value. @param a Operand. @param erp Error report, may be NULL. @return Result on success, DK4_IM_MAX if a is DK4_IM_MIN (overflow is reported in erp). Error codes: DK4_E_OVERFLOW. */ dk4_im_t dk4ma_im_abs(dk4_im_t a, dk4_er_t *erp); /** Addition. @param a Left operand. @param b Right operand. @param erp Error report, may be NULL. @return Result on success, least significant result bits on overflow (see ec component of erp). Error codes: DK4_E_OVERFLOW. */ dk4_im_t dk4ma_im_add(dk4_im_t a, dk4_im_t b, dk4_er_t *erp); /** Subtraction. @param a Left operand. @param b Right operand. @param erp Error report, may be NULL. @return Result on success, least significant result bits on overflow (see ec component of erp). Error codes: DK4_E_OVERFLOW. */ dk4_im_t dk4ma_im_sub(dk4_im_t a, dk4_im_t b, dk4_er_t *erp); /** Multiplication. @param a Left factor. @param b right factor. @param erp Error report, may be NULL. @return Result on success, least significant bits on overflow (see ec component of erp). Error codes: DK4_E_OVERFLOW. */ dk4_im_t dk4ma_im_mul(dk4_im_t a, dk4_im_t b, dk4_er_t *erp); /** Division. @param a Counter (left operand). @param b Denominator (right operand). @param erp Error report, may be NULL. @return Division result on success, DK4_IM_MIN, DK4_IM_MAX, or 0 on division by zero or overflow (see the ec component of erp). Error codes: DK4_E_OVERFLOW, DK4_E_DIVZERO. */ dk4_im_t dk4ma_im_div(dk4_im_t a, dk4_im_t b, dk4_er_t *erp); #ifdef __cplusplus } #endif %% module #include "dk4conf.h" #include "dk4types.h" #include "dk4error.h" #include "dk4numco.h" #if DK4_HAVE_INTMAX_T #include "dk4maami.h" #else #if DK4_HAVE_LONG_LONG #include "dk4maall.h" #else #include "dk4maal.h" #endif #endif #include "dk4maadi.h" dk4_im_t dk4ma_im_abs(dk4_im_t a, dk4_er_t *erp) { #if DK4_HAVE_INTMAX_T return (dk4ma_intmax_t_abs(a, erp)); #else #if DK4_HAVE_LONG_LONG return (dk4ma_ll_abs(a, erp)); #else return (dk4ma_long_abs(a, erp)); #endif #endif } dk4_im_t dk4ma_im_add(dk4_im_t a, dk4_im_t b, dk4_er_t *erp) { #if DK4_HAVE_INTMAX_T return (dk4ma_intmax_t_add(a, b, erp)); #else #if DK4_HAVE_LONG_LONG return (dk4ma_ll_add(a, b, erp)); #else return (dk4ma_long_add(a, b, erp)); #endif #endif } dk4_im_t dk4ma_im_sub(dk4_im_t a, dk4_im_t b, dk4_er_t *erp) { #if DK4_HAVE_INTMAX_T return (dk4ma_intmax_t_sub(a, b, erp)); #else #if DK4_HAVE_LONG_LONG return (dk4ma_ll_sub(a, b, erp)); #else return (dk4ma_long_sub(a, b, erp)); #endif #endif } dk4_im_t dk4ma_im_mul(dk4_im_t a, dk4_im_t b, dk4_er_t *erp) { #if DK4_HAVE_INTMAX_T return (dk4ma_intmax_t_mul(a, b, erp)); #else #if DK4_HAVE_LONG_LONG return (dk4ma_ll_mul(a, b, erp)); #else return (dk4ma_long_mul(a, b, erp)); #endif #endif } dk4_im_t dk4ma_im_div(dk4_im_t a, dk4_im_t b, dk4_er_t *erp) { #if DK4_HAVE_INTMAX_T return (dk4ma_intmax_t_div(a, b, erp)); #else #if DK4_HAVE_LONG_LONG return (dk4ma_ll_div(a, b, erp)); #else return (dk4ma_long_div(a, b, erp)); #endif #endif }