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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 99 | pmbaty | 1 | /* |
| 2 | Texel - A UCI chess engine. |
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| 3 | Copyright (C) 2013-2014 Peter Österlund, peterosterlund2@gmail.com |
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| 4 | |||
| 5 | This program is free software: you can redistribute it and/or modify |
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| 6 | it under the terms of the GNU General Public License as published by |
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| 7 | the Free Software Foundation, either version 3 of the License, or |
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| 8 | (at your option) any later version. |
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| 9 | |||
| 10 | This program is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | GNU General Public License for more details. |
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| 14 | |||
| 15 | You should have received a copy of the GNU General Public License |
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| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
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| 17 | */ |
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| 18 | |||
| 19 | /* |
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| 20 | * timeUtil.cpp |
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| 21 | * |
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| 22 | * Created on: Sep 20, 2013 |
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| 23 | * Author: petero |
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| 24 | */ |
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| 25 | |||
| 26 | #include "timeUtil.hpp" |
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| 27 | |||
| 28 | #include <chrono> |
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| 29 | #include <iostream> |
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| 30 | |||
| 31 | #ifdef HAS_RT |
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| 32 | #include <time.h> |
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| 33 | #include <sys/time.h> |
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| 34 | #endif |
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| 35 | |||
| 36 | S64 currentTimeMillis() { |
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| 37 | #ifdef HAS_RT |
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| 38 | clockid_t c = CLOCK_MONOTONIC; |
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| 39 | timespec sp; |
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| 40 | clock_gettime(c, &sp); |
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| 41 | return (S64)(sp.tv_sec * 1e3 + sp.tv_nsec * 1e-6); |
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| 42 | #else |
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| 43 | auto t = std::chrono::high_resolution_clock::now(); |
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| 44 | auto t0 = t.time_since_epoch(); |
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| 45 | auto x = t0.count(); |
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| 46 | using T0Type = decltype(t0); |
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| 47 | auto n = T0Type::period::num; |
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| 48 | auto d = T0Type::period::den; |
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| 49 | return (S64)(x * (1000.0 * n / d)); |
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| 50 | #endif |
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| 51 | } |
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| 52 | |||
| 53 | double currentTime() { |
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| 54 | #ifdef HAS_RT |
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| 55 | clockid_t c = CLOCK_MONOTONIC; |
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| 56 | timespec sp; |
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| 57 | clock_gettime(c, &sp); |
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| 58 | return sp.tv_sec + sp.tv_nsec * 1e-9; |
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| 59 | #else |
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| 60 | auto t = std::chrono::high_resolution_clock::now(); |
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| 61 | auto t0 = t.time_since_epoch(); |
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| 62 | double x = (double)t0.count(); // Pierre-Marie Baty -- added type cast |
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| 63 | using T0Type = decltype(t0); |
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| 64 | double n = T0Type::period::num; |
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| 65 | double d = T0Type::period::den; |
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| 66 | return x * n / d; |
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| 67 | #endif |
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| 68 | } |
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| 69 | |||
| 70 | SampleStatistics& |
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| 71 | SampleStatistics::operator+=(const SampleStatistics& other) { |
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| 72 | nSamples += other.nSamples; |
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| 73 | sum += other.sum; |
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| 74 | sqSum += other.sqSum; |
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| 75 | return *this; |
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| 76 | } |