From 2f4449d81e407d8ee2d2c4d9cf64ad5e2028e4f7 Mon Sep 17 00:00:00 2001
From: Dimitry Pianykh <pianykh.d@northeastern.edu>
Date: Sat, 16 Nov 2024 22:39:19 -0500
Subject: [PATCH 1/3] #173: casual lowpass filter

---
 simple_ema.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 simple_ema.c

diff --git a/simple_ema.c b/simple_ema.c
new file mode 100644
index 0000000..f6221f0
--- /dev/null
+++ b/simple_ema.c
@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+// Exponential Moving Average Lowpass Filter 
+void ema_filter(float current_value, float *previous_ema, float alpha) {
+    *previous_ema = (alpha * current_value) + ((1 - alpha) * (*previous_ema));
+}
+
+int main() {
+    float alpha = 0.1f; // smoothing strength
+    float ema = 0.0f; // initial value can be 0
+    // Something like : ema_filter(curent_unfiltered_value, &ema, alpha)
+    return 0;
+}

From 5e4840d96450bd8c46b6749e9b8b247e6fbf9e68 Mon Sep 17 00:00:00 2001
From: DimitryP6 <dimitryolegpianykh@gmail.com>
Date: Tue, 19 Nov 2024 11:32:31 -0500
Subject: [PATCH 2/3] #173: finalized file location

---
 .pre-commit-config.yaml | 18 +++++++++---------
 middleware/simple_ema.c |  8 ++++++++
 simple_ema.c            | 13 -------------
 3 files changed, 17 insertions(+), 22 deletions(-)
 create mode 100644 middleware/simple_ema.c
 delete mode 100644 simple_ema.c

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 570ca9b..157f2fc 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,10 +1,10 @@
-repos:
-    - repo: local
-      hooks:
-        - id: clang_restage
-          name: Restage formatted files
-          entry: clang_restage
-          language: system
-          pass_filenames: false
-          always_run: true
+repos:
+    - repo: local
+      hooks:
+        - id: clang_restage
+          name: Restage formatted files
+          entry: clang_restage
+          language: system
+          pass_filenames: false
+          always_run: true
           stages: [pre-commit]
\ No newline at end of file
diff --git a/middleware/simple_ema.c b/middleware/simple_ema.c
new file mode 100644
index 0000000..c1912a0
--- /dev/null
+++ b/middleware/simple_ema.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+// Exponential Moving Average Lowpass Filter
+void ema_filter(float current_value, float *previous_ema, float alpha)
+{
+	*previous_ema =
+		(alpha * current_value) + ((1 - alpha) * (*previous_ema));
+}
diff --git a/simple_ema.c b/simple_ema.c
deleted file mode 100644
index f6221f0..0000000
--- a/simple_ema.c
+++ /dev/null
@@ -1,13 +0,0 @@
-#include <stdio.h>
-
-// Exponential Moving Average Lowpass Filter 
-void ema_filter(float current_value, float *previous_ema, float alpha) {
-    *previous_ema = (alpha * current_value) + ((1 - alpha) * (*previous_ema));
-}
-
-int main() {
-    float alpha = 0.1f; // smoothing strength
-    float ema = 0.0f; // initial value can be 0
-    // Something like : ema_filter(curent_unfiltered_value, &ema, alpha)
-    return 0;
-}

From 6811331e5e1356367c5bde5f482fcb7bf9904bfa Mon Sep 17 00:00:00 2001
From: DimitryP6 <dimitryolegpianykh@gmail.com>
Date: Sun, 1 Dec 2024 18:54:53 -0500
Subject: [PATCH 3/3] #173: Added a simple_ema.h file

---
 middleware/simple_ema.c | 2 +-
 middleware/simple_ema.h | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 middleware/simple_ema.h

diff --git a/middleware/simple_ema.c b/middleware/simple_ema.c
index c1912a0..567b107 100644
--- a/middleware/simple_ema.c
+++ b/middleware/simple_ema.c
@@ -1,6 +1,6 @@
 #include <stdio.h>
+#include "simple_ema.h"
 
-// Exponential Moving Average Lowpass Filter
 void ema_filter(float current_value, float *previous_ema, float alpha)
 {
 	*previous_ema =
diff --git a/middleware/simple_ema.h b/middleware/simple_ema.h
new file mode 100644
index 0000000..901e787
--- /dev/null
+++ b/middleware/simple_ema.h
@@ -0,0 +1,7 @@
+#ifndef SIMPLE_EMA
+#define SIMPLE_EMA
+
+// Exponential Moving Average Lowpass Filter
+ema_filter(float current_value, float *previous_ema, float alpha);
+
+#endif /* SIMPLE_EMA */
\ No newline at end of file