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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 18:43:21 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 18:43:21 +0000
commit104f986b0650b8f93540785d2bcf486905e49b62 (patch)
tree2b2ae5113d9b57425d4bb3f726e325316b87e00a /samplefilt.h
parentInitial commit. (diff)
downloadchrony-104f986b0650b8f93540785d2bcf486905e49b62.tar.xz
chrony-104f986b0650b8f93540785d2bcf486905e49b62.zip
Adding upstream version 3.4.upstream/3.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-rw-r--r--samplefilt.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/samplefilt.h b/samplefilt.h
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+/*
+ 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 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_AddDispersion(SPF_Instance filter, double dispersion);
+
+#endif