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