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 double round_pt = 0.5;
80 double ceil = dml_ceil(a, 1);
81 double floor = dml_floor(a, 1);
82
83 if (a - floor >= round_pt)
84 return ceil;
85 else
86 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 */
dml_log2(double x)98 static inline int dml_log2(double x)
99 {
100 unsigned long long ix = *((unsigned long long *)&x);
101
102 return (int)((ix >> 52) & 0x7ff) - 1023;
103 }
104
dml_pow(double a,int exp)105 static inline double dml_pow(double a, int exp)
106 {
107 return (double) dcn_bw_pow(a, exp);
108 }
109
dml_fmod(double f,int val)110 static inline double dml_fmod(double f, int val)
111 {
112 return (double) dcn_bw_mod(f, val);
113 }
114
dml_ceil_2(double f)115 static inline double dml_ceil_2(double f)
116 {
117 return (double) dcn_bw_ceil2(f, 2);
118 }
119
dml_ceil_ex(double x,double granularity)120 static inline double dml_ceil_ex(double x, double granularity)
121 {
122 return (double) dcn_bw_ceil2(x, granularity);
123 }
124
dml_floor_ex(double x,double granularity)125 static inline double dml_floor_ex(double x, double granularity)
126 {
127 return (double) dcn_bw_floor2(x, granularity);
128 }
129
dml_round_to_multiple(unsigned int num,unsigned int multiple,unsigned char up)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 if (multiple == 0)
137 return num;
138
139 remainder = num % multiple;
140
141 if (remainder == 0)
142 return num;
143
144 if (up)
145 return (num + multiple - remainder);
146 else
147 return (num - remainder);
148 }
dml_abs(double a)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
158