Line data    Source code

       1             : /*
       2             :  * Copyright 2017 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 __DML_INLINE_DEFS_H__
      27             : #define __DML_INLINE_DEFS_H__
      28             : 
      29             : #include "dcn_calc_math.h"
      30             : #include "dml_logger.h"
      31             : 
      32             : static inline double dml_min(double a, double b)
      33             : {
      34           0 :         return (double) dcn_bw_min2(a, b);
      35             : }
      36             : 
      37             : static inline double dml_min3(double a, double b, double c)
      38             : {
      39           0 :         return dml_min(dml_min(a, b), c);
      40             : }
      41             : 
      42           0 : static inline double dml_min4(double a, double b, double c, double d)
      43             : {
      44           0 :         return dml_min(dml_min(a, b), dml_min(c, d));
      45             : }
      46             : 
      47             : static inline double dml_max(double a, double b)
      48             : {
      49          87 :         return (double) dcn_bw_max2(a, b);
      50             : }
      51             : 
      52             : static inline double dml_max3(double a, double b, double c)
      53             : {
      54           0 :         return dml_max(dml_max(a, b), c);
      55             : }
      56             : 
      57           0 : static inline double dml_max4(double a, double b, double c, double d)
      58             : {
      59           0 :         return dml_max(dml_max(a, b), dml_max(c, d));
      60             : }
      61             : 
      62             : static inline double dml_max5(double a, double b, double c, double d, double e)
      63             : {
      64           0 :         return dml_max(dml_max4(a, b, c, d), e);
      65             : }
      66             : 
      67             : static inline double dml_ceil(double a, double granularity)
      68             : {
      69         252 :         return (double) dcn_bw_ceil2(a, granularity);
      70             : }
      71             : 
      72             : static inline double dml_floor(double a, double granularity)
      73             : {
      74          57 :         return (double) dcn_bw_floor2(a, granularity);
      75             : }
      76             : 
      77          24 : static inline double dml_round(double a)
      78             : {
      79          24 :         double round_pt = 0.5;
      80          24 :         double ceil = dml_ceil(a, 1);
      81          24 :         double floor = dml_floor(a, 1);
      82             : 
      83          24 :         if (a - floor >= round_pt)
      84             :                 return ceil;
      85             :         else
      86          13 :                 return floor;
      87             : }
      88             : 
      89             : /* float
      90             : static inline int dml_log2(float x)
      91             : {
      92             :         unsigned int ix = *((unsigned int *)&x);
      93             : 
      94             :         return (int)((ix >> 23) & 0xff) - 127;
      95             : }*/
      96             : 
      97             : /* double */
      98             : static inline int dml_log2(double x)
      99             : {
     100           0 :         unsigned long long ix = *((unsigned long long *)&x);
     101             : 
     102           0 :         return (int)((ix >> 52) & 0x7ff) - 1023;
     103             : }
     104             : 
     105             : static inline double dml_pow(double a, int exp)
     106             : {
     107           0 :         return (double) dcn_bw_pow(a, exp);
     108             : }
     109             : 
     110             : static inline double dml_fmod(double f, int val)
     111             : {
     112             :         return (double) dcn_bw_mod(f, val);
     113             : }
     114             : 
     115             : static inline double dml_ceil_2(double f)
     116             : {
     117             :         return (double) dcn_bw_ceil2(f, 2);
     118             : }
     119             : 
     120             : static inline double dml_ceil_ex(double x, double granularity)
     121             : {
     122             :         return (double) dcn_bw_ceil2(x, granularity);
     123             : }
     124             : 
     125             : static inline double dml_floor_ex(double x, double granularity)
     126             : {
     127             :         return (double) dcn_bw_floor2(x, granularity);
     128             : }
     129             : 
     130             : static inline unsigned int dml_round_to_multiple(unsigned int num,
     131             :                                                  unsigned int multiple,
     132             :                                                  unsigned char up)
     133             : {
     134             :         unsigned int remainder;
     135             : 
     136           0 :         if (multiple == 0)
     137             :                 return num;
     138             : 
     139           0 :         remainder = num % multiple;
     140             : 
     141           0 :         if (remainder == 0)
     142             :                 return num;
     143             : 
     144             :         if (up)
     145           0 :                 return (num + multiple - remainder);
     146             :         else
     147           0 :                 return (num - remainder);
     148             : }
     149             : static inline double dml_abs(double a)
     150             : {
     151             :         if (a > 0)
     152             :                 return a;
     153             :         else
     154             :                 return (a*(-1));
     155             : }
     156             : 
     157             : #endif