From 4d3df8df632d9230389fa2ffec6c4b28fa2985ff Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Mon, 16 Jun 2014 03:00:27 +0200
Subject: Revert "lerp class to simplify filter flow"

This reverts commit 5409f26675a444170b3a68fc9750742cc68aaa1d.
---
 facetracknoir/lerp.hpp | 45 ---------------------------------------------
 1 file changed, 45 deletions(-)
 delete mode 100644 facetracknoir/lerp.hpp

diff --git a/facetracknoir/lerp.hpp b/facetracknoir/lerp.hpp
deleted file mode 100644
index 70d5995c..00000000
--- a/facetracknoir/lerp.hpp
+++ /dev/null
@@ -1,45 +0,0 @@
-#pragma once
-
-#include "facetracknoir/timer.hpp"
-#include <algorithm>
-
-class lerp {
-private:
-    double last[2][6], dt;
-    Timer t;
-public:
-    lerp() :
-        last { {0,0,0,0,0,0}, {0,0,0,0,0,0} }, dt(1)
-    {
-    }
-    bool idempotentp(const double* input)
-    {
-        for (int i = 0; i < 6; i++)
-            if (last[0][i] != input[i])
-                return false;
-        return true;
-    }
-
-    void write(const double* input, double* output)
-    {
-        const double q = dt;
-        dt = std::max(1, t.start());
-
-        const double c = std::max(std::min(1.0, q/(double)dt), 0.0);
-
-        for (int i = 0; i < 6; i++)
-        {
-            last[1][i] = last[0][i];
-            last[0][i] = input[i];
-        }
-
-        for (int i = 0; i < 6; i++)
-            output[i] = last[1][i] + (last[0][i] - last[1][i]) * c;
-    }
-
-    void get_state(double* state)
-    {
-        for (int i = 0; i < 6; i++)
-            state[i] = last[0][i];
-    }
-};
-- 
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