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1 /* |
1 /* |
2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
5 * This code is free software; you can redistribute it and/or modify it |
6 * under the terms of the GNU General Public License version 2 only, as |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
101 // Update data with a new sample. |
101 // Update data with a new sample. |
102 void sample(float new_sample); |
102 void sample(float new_sample); |
103 |
103 |
104 static inline float exp_avg(float avg, float sample, |
104 static inline float exp_avg(float avg, float sample, |
105 unsigned int weight) { |
105 unsigned int weight) { |
106 assert(0 <= weight && weight <= 100, "weight must be a percent"); |
106 assert(weight <= 100, "weight must be a percent"); |
107 return (100.0F - weight) * avg / 100.0F + weight * sample / 100.0F; |
107 return (100.0F - weight) * avg / 100.0F + weight * sample / 100.0F; |
108 } |
108 } |
109 static inline size_t exp_avg(size_t avg, size_t sample, |
109 static inline size_t exp_avg(size_t avg, size_t sample, |
110 unsigned int weight) { |
110 unsigned int weight) { |
111 // Convert to float and back to avoid integer overflow. |
111 // Convert to float and back to avoid integer overflow. |