Sorting Algorithms for Double Arrays in MQL4/MQL5
Info
The Sorting Algorithms for Double Arrays in MQL4/MQL5 is a Script for MetaTrader 5 that this script provides various sorting methods for double arrays in mql4/mql5, offering a comprehensive toolkit for efficient data organization. Sorting Methods:- sortbubbleup(double & aar[])- sortbubbledn(double & aar[])- sortselectup(double & aar[])- sortselectdn(double & aar[])- sortinsertup(double & aar[])- sortinsertdn(double & aar[])- sortshellup(double & aar[])- sortshelldn(double & aar[])- sorthoareup(double & aar[])- sorthoaredn(double & aar[])- sortselectupfst(double & aar[])- sortselectdnfst(double & aar[])Auxiliary Functions:- check(double & aar[]) - Checks if the array is sorted in ascending order and prints "error" if not.
Usage
This tool is typically used for enhancing chart analysis and decision making.
Platform
This Script works exclusively on MetaTrader 5 (both build 600+ and newer versions).
Setup
Place the downloaded file in MQL5/Scripts folder via File ? Open Data Folder in MetaTrader 5.
How to Install and Use Sorting Algorithms for Double Arrays in MQL4/MQL5
1. Installation: Move your script file into the MQL/Scripts directory and restart the platform.
2. Execution: Drag the script onto a chart; it will perform a one-time action, such as closing all open orders or clearing chart objects.
3. Editing: Use MetaEditor (F4) to modify code, click "Compile," and verify no errors appear in the terminal before running.
4. Removing: Scripts stop automatically, but you can remove them manually by right-clicking the chart and choosing "Remove Script."
Frequently Asked Questions
Q: How are scripts different from EAs? A: Scripts execute a single action and then stop; EAs monitor the market and trade continuously.
Q: Can I assign a hotkey to a script? A: Yes, right-click the script in the Navigator, select "Set Hotkey," and define your preferred keyboard shortcut.
Q: Why did my script stop? A: Scripts are designed to stop immediately after finishing their programmed command; this is normal behavior.
What this tool does
This script provides various sorting methods for double arrays in MQL4/MQL5, offering a comprehensive toolkit for efficient data organization.
Typical Use Case
This Script excels in automated trading and technical analysis on MetaTrader 5.
Compatible Platform & Setup
This Script works on MetaTrader 5. Place the file in the MQL5/Scripts folder and restart the terminal.
Description & Settings
Related: File Size Sorting Script for MetaTrader - another powerful script for MetaTrader 5 traders.
This script provides various sorting methods for double arrays in MQL4/MQL5, offering a comprehensive toolkit for efficient data organization.Also recommended: population-based optimisation algorithms - similar script with strong performance on MetaTrader 5.
Sorting Methods:
- sortbubbleup(double & aar[])
- sortbubbledn(double & aar[])
- sortselectup(double & aar[])
- sortselectdn(double & aar[])
- sortinsertup(double & aar[])
- sortinsertdn(double & aar[])
- sortshellup(double & aar[])
- sortshelldn(double & aar[])
- sorthoareup(double & aar[])
- sorthoaredn(double & aar[])
- sortselectupfst(double & aar[])
- sortselectdnfst(double & aar[])
Auxiliary Functions:
- check(double & aar[]) - Checks if the array is sorted in ascending order and prints "error" if not.
- arrayalertr(double & aar[], int adigits, string aheader) - Prints the array as a line with optional precision and header.
- arrayalertc(double & aar[], int adigits, string aheader) - Prints the array as a column with optional precision and header.
Sorting Performance (in milliseconds):
- Hoare: 8
- Shell: 78
- SelectFst: 126
- Selection: 582
- Insertion: 702
- Bubble: 1558
The Hoare sort (quick sort) is the fastest but requires careful implementation due to its recursive nature.
You may also like: MT4/MT5 History Export Script - excellent alternative for script users on MetaTrader 5.
Source Code
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⚠ Limitations & Risk Warning
- This tool is provided for educational and testing purposes only.
- Past performance does not guarantee future results.
- Trading involves substantial risk of loss. Use on a demo account first.
- Results may vary depending on market conditions, broker, and settings.
- We recommend thorough backtesting and forward testing before using with real funds.