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 return (double) dcn_bw_min2(a, b); 35 } 36 37 static inline double dml_min3(double a, double b, double c) 38 { 39 return dml_min(dml_min(a, b), c); 40 } 41 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 47 static inline double dml_max(double a, double b) 48 { 49 return (double) dcn_bw_max2(a, b); 50 } 51 52 static inline double dml_max3(double a, double b, double c) 53 { 54 return dml_max(dml_max(a, b), c); 55 } 56 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 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 67 static inline double dml_ceil(double a, double granularity) 68 { 69 return (double) dcn_bw_ceil2(a, granularity); 70 } 71 72 static inline double dml_floor(double a, double granularity) 73 { 74 return (double) dcn_bw_floor2(a, granularity); 75 } 76 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 */ 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 } 99 100 static inline double dml_pow(double a, int exp) 101 { 102 return (double) dcn_bw_pow(a, exp); 103 } 104 105 static inline double dml_fmod(double f, int val) 106 { 107 return (double) dcn_bw_mod(f, val); 108 } 109 110 static inline double dml_ceil_2(double f) 111 { 112 return (double) dcn_bw_ceil2(f, 2); 113 } 114 115 static inline double dml_ceil_ex(double x, double granularity) 116 { 117 return (double) dcn_bw_ceil2(x, granularity); 118 } 119 120 static inline double dml_floor_ex(double x, double granularity) 121 { 122 return (double) dcn_bw_floor2(x, granularity); 123 } 124 125 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 } 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