| 1 |
198 |
zero_gravi |
// #################################################################################################
|
| 2 |
|
|
// # < neo430_muldiv.h - Multiplier/Divider function > #
|
| 3 |
|
|
// # ********************************************************************************************* #
|
| 4 |
|
|
// # BSD 3-Clause License #
|
| 5 |
|
|
// # #
|
| 6 |
|
|
// # Copyright (c) 2020, Stephan Nolting. All rights reserved. #
|
| 7 |
|
|
// # #
|
| 8 |
|
|
// # Redistribution and use in source and binary forms, with or without modification, are #
|
| 9 |
|
|
// # permitted provided that the following conditions are met: #
|
| 10 |
|
|
// # #
|
| 11 |
|
|
// # 1. Redistributions of source code must retain the above copyright notice, this list of #
|
| 12 |
|
|
// # conditions and the following disclaimer. #
|
| 13 |
|
|
// # #
|
| 14 |
|
|
// # 2. Redistributions in binary form must reproduce the above copyright notice, this list of #
|
| 15 |
|
|
// # conditions and the following disclaimer in the documentation and/or other materials #
|
| 16 |
|
|
// # provided with the distribution. #
|
| 17 |
|
|
// # #
|
| 18 |
|
|
// # 3. Neither the name of the copyright holder nor the names of its contributors may be used to #
|
| 19 |
|
|
// # endorse or promote products derived from this software without specific prior written #
|
| 20 |
|
|
// # permission. #
|
| 21 |
|
|
// # #
|
| 22 |
|
|
// # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS #
|
| 23 |
|
|
// # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF #
|
| 24 |
|
|
// # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE #
|
| 25 |
|
|
// # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, #
|
| 26 |
|
|
// # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE #
|
| 27 |
|
|
// # GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED #
|
| 28 |
|
|
// # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING #
|
| 29 |
|
|
// # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED #
|
| 30 |
|
|
// # OF THE POSSIBILITY OF SUCH DAMAGE. #
|
| 31 |
|
|
// # ********************************************************************************************* #
|
| 32 |
|
|
// # The NEO430 Processor - https://github.com/stnolting/neo430 #
|
| 33 |
|
|
// #################################################################################################
|
| 34 |
|
|
|
| 35 |
|
|
#ifndef neo430_muldiv_h
|
| 36 |
|
|
#define neo430_muldiv_h
|
| 37 |
|
|
|
| 38 |
|
|
// prototypes
|
| 39 |
|
|
uint32_t neo430_umul32(uint16_t a, uint16_t b);
|
| 40 |
|
|
uint32_t neo430_umul32_32(uint32_t a, uint32_t b);
|
| 41 |
|
|
uint64_t neo430_umul64(uint32_t a, uint32_t b);
|
| 42 |
|
|
|
| 43 |
|
|
int32_t neo430_mul32(int16_t a, int16_t b);
|
| 44 |
|
|
int64_t neo430_mul64(int32_t a, int32_t b);
|
| 45 |
|
|
|
| 46 |
|
|
uint16_t neo430_udiv16(uint16_t dividend, uint16_t divisor);
|
| 47 |
|
|
int16_t neo430_div16(int16_t dividend, int16_t divisor);
|
| 48 |
|
|
|
| 49 |
|
|
uint16_t neo430_umod16(uint16_t dividend, uint16_t divisor);
|
| 50 |
|
|
int16_t neo430_mod16(int16_t dividend, int16_t divisor);
|
| 51 |
|
|
|
| 52 |
|
|
uint16_t neo430_umoddiv16(uint16_t *remainder, uint16_t dividend, uint16_t divisor);
|
| 53 |
|
|
int16_t neo430_moddiv16(int16_t *remainder, int16_t dividend, int16_t divisor);
|
| 54 |
|
|
|
| 55 |
|
|
#endif // neo430_muldiv_h
|
