Line data    Source code

       1             : /*
       2             :  * Copyright 2012-15 Advanced Micro Devices, Inc.
       3             :  *
       4             :  * Permission is hereby granted, free of charge, to any person obtaining a
       5             :  * copy of this software and associated documentation files (the "Software"),
       6             :  * to deal in the Software without restriction, including without limitation
       7             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
       8             :  * and/or sell copies of the Software, and to permit persons to whom the
       9             :  * Software is furnished to do so, subject to the following conditions:
      10             :  *
      11             :  * The above copyright notice and this permission notice shall be included in
      12             :  * all copies or substantial portions of the Software.
      13             :  *
      14             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      15             :  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      16             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
      17             :  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
      18             :  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
      19             :  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
      20             :  * OTHER DEALINGS IN THE SOFTWARE.
      21             :  *
      22             :  * Authors: AMD
      23             :  *
      24             :  */
      25             : 
      26             : #ifndef __DAL_CONVERSION_H__
      27             : #define __DAL_CONVERSION_H__
      28             : 
      29             : #include "include/fixed31_32.h"
      30             : 
      31             : uint16_t fixed_point_to_int_frac(
      32             :         struct fixed31_32 arg,
      33             :         uint8_t integer_bits,
      34             :         uint8_t fractional_bits);
      35             : 
      36             : void convert_float_matrix(
      37             :         uint16_t *matrix,
      38             :         struct fixed31_32 *flt,
      39             :         uint32_t buffer_size);
      40             : 
      41             : void reduce_fraction(uint32_t num, uint32_t den,
      42             :                 uint32_t *out_num, uint32_t *out_den);
      43             : 
      44             : static inline unsigned int log_2(unsigned int num)
      45             : {
      46           0 :         return ilog2(num);
      47             : }
      48             : 
      49             : #endif