[37] | 1 | /* |
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| 2 | * Speeded-Up Robust Features (SURF) |
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| 3 | * http://people.ee.ethz.ch/~surf |
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| 4 | * |
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| 5 | * Authors: Herbert Bay, Andreas Ess, Geert Willems |
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| 6 | * Windows port by Stefan Saur |
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| 7 | * |
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| 8 | * Copyright (2006): ETH Zurich, Switzerland |
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| 9 | * Katholieke Universiteit Leuven, Belgium |
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| 10 | * All rights reserved. |
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| 11 | * |
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| 12 | * For details, see the paper: |
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| 13 | * Herbert Bay, Tinne Tuytelaars, Luc Van Gool, |
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| 14 | * "SURF: Speeded Up Robust Features" |
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| 15 | * Proceedings of the ninth European Conference on Computer Vision, May 2006 |
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| 16 | * |
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| 17 | * Permission to use, copy, modify, and distribute this software and |
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| 18 | * its documentation for educational, research, and non-commercial |
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| 19 | * purposes, without fee and without a signed licensing agreement, is |
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| 20 | * hereby granted, provided that the above copyright notice and this |
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| 21 | * paragraph appear in all copies modifications, and distributions. |
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| 22 | * |
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| 23 | * Any commercial use or any redistribution of this software |
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| 24 | * requires a license from one of the above mentioned establishments. |
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| 25 | * |
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| 26 | * For further details, contact Andreas Ess (aess@vision.ee.ethz.ch). |
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| 27 | */ |
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| 28 | |
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| 29 | #ifdef WIN32 |
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| 30 | #include <windows.h> |
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| 31 | #include <process.h> |
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| 32 | #else |
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| 33 | #include <pthread.h> |
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| 34 | #endif |
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| 35 | |
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| 36 | #include "os_mapping.h" |
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| 37 | |
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| 38 | namespace osmapping { |
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| 39 | |
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| 40 | void os_GetTime(os_TIME *time) { |
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| 41 | #ifdef WIN32 |
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| 42 | *time = GetTickCount(); |
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| 43 | #else |
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| 44 | struct timezone tz; |
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| 45 | gettimeofday(time, &tz); |
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| 46 | #endif |
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| 47 | } |
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| 48 | |
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| 49 | int os_TimeDiff(os_TIME *time1, os_TIME *time2) { |
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| 50 | #ifdef WIN32 |
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| 51 | return *time1 - *time2; |
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| 52 | #else |
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| 53 | return (int)((double)time1->tv_sec*1000 + ((double)time1->tv_usec)*1e-3 - |
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| 54 | (double)time2->tv_sec*1000 - ((double)time2->tv_usec)*1e-3); |
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| 55 | #endif |
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| 56 | } |
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| 57 | } |
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| 58 | |
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