From df2dc4503ce9ca4276a32925cfac49a3f26c4985 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sat, 14 May 2016 00:48:29 +0200
Subject: partial revert of 74d9f5e31428ef362033a63c10b781d943c5e5a5
We actually need to use a float intermediate type lest the value gets
truncated.
---
filter-ewma2/ftnoir_filter_ewma2.cpp | 2 +-
filter-kalman/kalman.cpp | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/filter-ewma2/ftnoir_filter_ewma2.cpp b/filter-ewma2/ftnoir_filter_ewma2.cpp
index 6f9e428c..bf4b1083 100644
--- a/filter-ewma2/ftnoir_filter_ewma2.cpp
+++ b/filter-ewma2/ftnoir_filter_ewma2.cpp
@@ -49,7 +49,7 @@ void FTNoIR_Filter::filter(const double *input, double *output)
}
}
// Get the time in seconds since last run and restart the timer.
- const double dt = timer.restart() / 1000;
+ const double dt = timer.restart() / 1000.;
// Calculate delta_alpha and noise_alpha from dt.
double delta_alpha = dt/(dt + delta_RC);
double noise_alpha = dt/(dt + noise_RC);
diff --git a/filter-kalman/kalman.cpp b/filter-kalman/kalman.cpp
index 0e7537d1..5af548ed 100644
--- a/filter-kalman/kalman.cpp
+++ b/filter-kalman/kalman.cpp
@@ -80,7 +80,7 @@ void FTNoIR_Filter::filter(const double* input, double *output)
if (!timer.isValid())
timer.start();
// Get the time in seconds since last run and restart the timer.
- const double dt = timer.restart() / 1000;
+ const double dt = timer.restart() / 1000.;
// Note this is a terrible way to detect when there is a new
// frame of tracker input, but it is the best we have.
bool new_input = false;
--
cgit v1.2.3