dml_inline_defs.h

  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
 32static inline double dml_min(double a, double b)
 33{
 34	return (double) dcn_bw_min2(a, b);
 35}
 36
 37static inline double dml_min3(double a, double b, double c)
 38{
 39	return dml_min(dml_min(a, b), c);
 40}
 41
 42static 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
 47static inline double dml_max(double a, double b)
 48{
 49	return (double) dcn_bw_max2(a, b);
 50}
 51
 52static inline double dml_max3(double a, double b, double c)
 53{
 54	return dml_max(dml_max(a, b), c);
 55}
 56
 57static 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
 62static 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
 67static inline double dml_ceil(double a, double granularity)
 68{
 69	if (granularity == 0)
 70		return 0;
 71	return (double) dcn_bw_ceil2(a, granularity);
 72}
 73
 74static inline double dml_floor(double a, double granularity)
 75{
 76	if (granularity == 0)
 77		return 0;
 78	return (double) dcn_bw_floor2(a, granularity);
 79}
 80
 81static inline double dml_round(double a)
 82{
 83	const double round_pt = 0.5;
 84
 85	return dml_floor(a + round_pt, 1);
 86}
 87
 88/* float
 89static inline int dml_log2(float x)
 90{
 91	unsigned int ix = *((unsigned int *)&x);
 92
 93	return (int)((ix >> 23) & 0xff) - 127;
 94}*/
 95
 96/* double */
 97static inline int dml_log2(double x)
 98{
 99	unsigned long long ix = *((unsigned long long *)&x);
100
101	return (int)((ix >> 52) & 0x7ff) - 1023;
102}
103
104static inline double dml_pow(double a, int exp)
105{
106	return (double) dcn_bw_pow(a, exp);
107}
108
109static inline double dml_fmod(double f, int val)
110{
111	return (double) dcn_bw_mod(f, val);
112}
113
114static inline double dml_ceil_2(double f)
115{
116	return (double) dcn_bw_ceil2(f, 2);
117}
118
119static inline double dml_ceil_ex(double x, double granularity)
120{
121	if (granularity == 0)
122		return 0;
123	return (double) dcn_bw_ceil2(x, granularity);
124}
125
126static inline double dml_floor_ex(double x, double granularity)
127{
128	if (granularity == 0)
129		return 0;
130	return (double) dcn_bw_floor2(x, granularity);
131}
132
133static inline unsigned int dml_round_to_multiple(unsigned int num,
134						 unsigned int multiple,
135						 unsigned char up)
136{
137	unsigned int remainder;
138
139	if (multiple == 0)
140		return num;
141
142	remainder = num % multiple;
143
144	if (remainder == 0)
145		return num;
146
147	if (up)
148		return (num + multiple - remainder);
149	else
150		return (num - remainder);
151}
152static inline double dml_abs(double a)
153{
154	if (a > 0)
155		return a;
156	else
157		return (a*(-1));
158}
159
160#endif