From b2d2d555a704148968cb7e566735a2a1b1a2f189 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 9 Apr 2024 14:48:01 +0200 Subject: Adding upstream version 4.5. Signed-off-by: Daniel Baumann --- samplefilt.h | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 samplefilt.h (limited to 'samplefilt.h') diff --git a/samplefilt.h b/samplefilt.h new file mode 100644 index 0000000..8d72b85 --- /dev/null +++ b/samplefilt.h @@ -0,0 +1,51 @@ +/* + chronyd/chronyc - Programs for keeping computer clocks accurate. + + ********************************************************************** + * Copyright (C) Miroslav Lichvar 2018 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + ********************************************************************** + + ======================================================================= + + Header file for sample filter. + + */ + +#ifndef GOT_SAMPLEFILT_H +#define GOT_SAMPLEFILT_H + +#include "ntp.h" + +typedef struct SPF_Instance_Record *SPF_Instance; + +extern SPF_Instance SPF_CreateInstance(int min_samples, int max_samples, + double max_dispersion, double combine_ratio); +extern void SPF_DestroyInstance(SPF_Instance filter); + +extern int SPF_AccumulateSample(SPF_Instance filter, NTP_Sample *sample); +extern int SPF_GetLastSample(SPF_Instance filter, NTP_Sample *sample); +extern int SPF_GetNumberOfSamples(SPF_Instance filter); +extern int SPF_GetMaxSamples(SPF_Instance filter); +extern double SPF_GetAvgSampleDispersion(SPF_Instance filter); +extern void SPF_DropSamples(SPF_Instance filter); +extern int SPF_GetFilteredSample(SPF_Instance filter, NTP_Sample *sample); +extern void SPF_SlewSamples(SPF_Instance filter, struct timespec *when, + double dfreq, double doffset); +extern void SPF_CorrectOffset(SPF_Instance filter, double doffset); +extern void SPF_AddDispersion(SPF_Instance filter, double dispersion); + +#endif -- cgit v1.2.3