update GitHub actions

.github/workflows/arduino-lint.yml

@@ -6,8 +6,8 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v4
-      - uses: arduino/arduino-lint-action@v1
+      - uses: actions/checkout@v6
+      - uses: arduino/arduino-lint-action@v2
         with:
           library-manager: update
           compliance: strict

.github/workflows/arduino_test_runner.yml

@@ -6,9 +6,8 @@ jobs:
   runTest:
     runs-on: ubuntu-latest
     timeout-minutes: 20
-
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: 2.6

.github/workflows/jsoncheck.yml

@@ -5,13 +5,15 @@ on:
     paths:
       - '**.json'
   pull_request:
+    paths:
+      - '**.json'
 
 jobs:
   test:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: json-syntax-check
         uses: limitusus/json-syntax-check@v2
         with:

CHANGELOG.md

@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
+## [0.4.9] - 2026-03-19
+- update GitHub actions
+- add define AVERAGE_MIN_SIZE so at least 1 element.
+- minor edits
+
 ## [0.4.8] - 2025-08-01
 - add array example
 - update examples

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2012-2025 Rob Tillaart
+Copyright (c) 2012-2026 Rob Tillaart
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -31,7 +31,7 @@ In version 0.2.16 a fix was added that uses the calculation of the sum in **getA
 update the internal **\_sum**.
 
 
-#### Related
+### Related
 
 - https://github.com/RobTillaart/Correlation
 - https://github.com/RobTillaart/GST - Golden standard test metrics
@@ -40,6 +40,7 @@ update the internal **\_sum**.
 - https://github.com/RobTillaart/RunningAngle
 - https://github.com/RobTillaart/RunningAverage
 - https://github.com/RobTillaart/RunningMedian
+- https://github.com/RobTillaart/RunningMinMax
 - https://github.com/RobTillaart/statHelpers - combinations & permutations
 - https://github.com/RobTillaart/Statistic
 - https://github.com/RobTillaart/Student
@@ -173,11 +174,6 @@ Indicative performance on an UNO, see examples.
 |  last functions        |       -    |       -    |  not tested
 
 
-## Operation
-
-See examples
-
-
 ## Future
 
 #### Must

RunningAverage.cpp

@@ -1,7 +1,7 @@
 //
 //    FILE: RunningAverage.cpp
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.4.8
+// VERSION: 0.4.9
 //    DATE: 2011-01-30
 // PURPOSE: Arduino library to calculate the running average by means of a circular buffer
 //     URL: https://github.com/RobTillaart/RunningAverage
@@ -16,6 +16,7 @@
 RunningAverage::RunningAverage(const uint16_t size)
 {
   _size = size;
+  if (_size < AVERAGE_MIN_SIZE) _size = AVERAGE_MIN_SIZE;
   _partial = _size;
   _array = (float*) malloc(_size * sizeof(float));
   if (_array == NULL) _size = 0;

RunningAverage.h

@@ -2,7 +2,7 @@
 //
 //    FILE: RunningAverage.h
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.4.8
+// VERSION: 0.4.9
 //    DATE: 2011-01-30
 // PURPOSE: Arduino library to calculate the running average by means of a circular buffer
 //     URL: https://github.com/RobTillaart/RunningAverage
@@ -14,8 +14,12 @@
 #include "Arduino.h"
 
 
-#define RUNNINGAVERAGE_LIB_VERSION    (F("0.4.8"))
+#define RUNNINGAVERAGE_LIB_VERSION    (F("0.4.9"))
 
+//  AVERAGE_MIN_SIZE  should at least be 1 to be practical,
+#ifndef AVERAGE_MIN_SIZE
+#define AVERAGE_MIN_SIZE               1
+#endif
 
 class RunningAverage
 {

examples/fillValue/fillValue.ino

@@ -1,7 +1,6 @@
 //
 //    FILE: fillValue.ino
 //  AUTHOR: Rob Tillaart
-//    DATE: 2012-12-30
 // PURPOSE: demo + timing of fillValue
 //     URL: https://github.com/RobTillaart/RunningAverage
 

examples/ra_300/ra_300.ino

@@ -1,7 +1,6 @@
 //
 //    FILE: ra_300.ino
 //  AUTHOR: Rob Tillaart
-//    DATE: 2021-05-26
 // PURPOSE: demonstrate large (16 bit) buffer
 //     URL: https://github.com/RobTillaart/RunningAverage
 

examples/ra_300_last/ra_300_last.ino

@@ -1,7 +1,6 @@
 //
 //    FILE: ra_300.ino
 //  AUTHOR: Rob Tillaart
-//    DATE: 2021-05-26
 // PURPOSE: demonstrate large (16 bit) buffer
 //     URL: https://github.com/RobTillaart/RunningAverage
 

examples/ra_FastAverageTest/ra_FastAverageTest.ino

@@ -1,7 +1,6 @@
 //
 //    FILE: ra_FastAverageTest.ino
 //  AUTHOR: Rob Tillaart
-//    DATE: 2015-sep-04
 // PURPOSE: demo to see if different average algorithm give different result
 //     URL: https://github.com/RobTillaart/RunningAverage
 

examples/ra_MinMaxBufferTest/ra_MinMaxBufferTest.ino

@@ -1,7 +1,6 @@
 //
 //    FILE: ra_MinMaxBufferTest.ino
 //  AUTHOR: Rob Tillaart
-//    DATE: 2015-09-04
 // PURPOSE: demo
 //     URL: https://github.com/RobTillaart/RunningAverage
 

examples/ra_MinMaxTest/ra_MinMaxTest.ino

@@ -1,7 +1,6 @@
 //
-//    FILE: runningAverageMinMaxTest.ino
+//    FILE: ra_MinMaxTest.ino
 //  AUTHOR: Rob Tillaart
-//    DATE: 2015-apr-10
 // PURPOSE: demo
 //     URL: https://github.com/RobTillaart/RunningAverage
 

examples/ra_fillValue_test/ra_fillValue_test.ino

@@ -1,7 +1,6 @@
 //
 //    FILE: ra_fillValue_test.ino
 //  AUTHOR: Rob Tillaart
-//    DATE: 2012-12-30
 // PURPOSE: demo + timing of fillValue
 //     URL: https://github.com/RobTillaart/RunningAverage
 

examples/ra_getAverageSubset/ra_getAverageSubset.ino

@@ -1,7 +1,6 @@
 //
 //    FILE: ra_getAverageSubset.ino
 //  AUTHOR: Rob Tillaart
-//    DATE: 2012-12-30
 // PURPOSE: show working of runningAverage
 //     URL: https://github.com/RobTillaart/RunningAverage
 

examples/ra_getValue/ra_getValue.ino

@@ -1,7 +1,6 @@
 //
 //    FILE: ra_getValue.ino
 //  AUTHOR: Rob Tillaart
-//    DATE: 2020-01-15
 // PURPOSE: demonstrate access in order of the values added
 //     URL: https://github.com/RobTillaart/RunningAverage
 

examples/ra_hour/ra_hour.ino

@@ -1,7 +1,6 @@
 //
 //    FILE: runningAverageHour.ino
 //  AUTHOR: Rob Tillaart
-//    DATE: 2012-12-30
 // PURPOSE: show working of runningAverage per hour
 //          in 2 steps - last minute + last hour
 //          3 or more steps also possible

examples/ra_partial/ra_partial.ino

@@ -1,7 +1,6 @@
 //
 //    FILE: ra_partial.ino
 //  AUTHOR: Rob Tillaart
-//    DATE: 2021-05-26
 // PURPOSE: demonstrate partial use of internal buffer
 //     URL: https://github.com/RobTillaart/RunningAverage
 

examples/ra_performance/ra_performance.ino

@@ -1,7 +1,6 @@
 //
 //    FILE: ra_performance.ino
 //  AUTHOR: Rob Tillaart
-//    DATE: 2020-04-16
 // PURPOSE: timing of runningAverage
 //     URL: https://github.com/RobTillaart/RunningAverage
 

examples/ra_test/ra_test.ino

@@ -1,7 +1,6 @@
 //
 //    FILE: ra_test.ino
 //  AUTHOR: Rob Tillaart
-//    DATE: 2012-12-30
 // PURPOSE: show working of runningAverage
 //     URL: https://github.com/RobTillaart/RunningAverage
 

keywords.txt

@@ -44,4 +44,6 @@ getAverageSubset	KEYWORD2
 
 
 # Constants (LITERAL1)
-RUNNINGAVERAGE_LIB_VERSION	LITERAL1
+RUNNINGAVERAGE_LIB_VERSION	LITERAL1
+
+AVERAGE_MIN_SIZE	LITERAL1

library.json

@@ -15,7 +15,7 @@
     "type": "git",
     "url": "https://github.com/RobTillaart/RunningAverage.git"
   },
-  "version": "0.4.8",
+  "version": "0.4.9",
   "license": "MIT",
   "frameworks": "*",
   "platforms": "*",

library.properties

@@ -1,5 +1,5 @@
 name=RunningAverage
-version=0.4.8
+version=0.4.9
 author=Rob Tillaart <rob.tillaart@gmail.com>
 maintainer=Rob Tillaart <rob.tillaart@gmail.com>
 sentence=The library stores the last N individual values in a circular buffer to calculate the running average.