Simplified Carray Ring256 Ring Buffer Class
Info
The Simplified Carray Ring256 Ring Buffer Class is a Library for MetaTrader 5 that descriptionthis simplification is based on the property of uchar-variable, which serves as the array index. For instance, in the code, the array index consistently assumes values between 0 and 255, never exceeding the array dimension range.
Usage
This tool is typically used for enhancing chart analysis and decision making.
Platform
This Library works exclusively on MetaTrader 5 (both build 600+ and newer versions).
Setup
Place the downloaded file in MQL5/Libraries folder via File ? Open Data Folder in MetaTrader 5.
How to Install and Use Simplified Carray Ring256 Ring Buffer Class
1. Storage: Place library files in the MQL/Libraries directory to ensure they are accessible to your projects.
2. Implementation: Include the library in your code using the #import directive, ensuring you match the exact function names and parameters.
3. Compilation: Ensure the library is present in the directory before you compile your main EA or script, as the compiler links them during this phase.
4. Management: Keep libraries organized in sub-folders if you manage many custom functions to maintain a clean project structure.
Frequently Asked Questions
Q: What is a library file used for? A: Libraries store reusable code modules, allowing you to centralize common logic used by multiple EAs or indicators.
Q: Is a library executable? A: No, libraries are non-executable files containing functions; they must be imported into an EA, indicator, or script to function.
Q: Can I update a library while the platform is running? A: You should compile your EA or script after updating a library to ensure the latest code changes are integrated.
What this tool does
DescriptionThis simplification is based on the property of uchar-variable, which serves as the array index.
Typical Use Case
This Library excels in automated trading and technical analysis on MetaTrader 5.
Compatible Platform & Setup
This Library works on MetaTrader 5. Place the file in the MQL5/Libraries folder and restart the terminal.
Description & Settings
Related: simplified order management class for mt4/mt5 - another powerful library for MetaTrader 5 traders.
DescriptionThis simplification is based on the property of uchar-variable, which serves as the array index. For instance, in the code, the array index consistently assumes values between 0 and 255, never exceeding the array dimension range. This property enables the removal of all checks from methods associated with potential index overflow, thereby simplifying the methods and enhancing performance. However, the buffer size remains constant at 256 elements, offering an acceptable trade-off for many tasks compared to the universal class, which provides flexibility in buffer size.
Also recommended: class for working with databases in a simplified manner - similar library with strong performance on MetaTrader 5.
Declaration
The carrayring256.mqh class file should be located in the inconringbuffer folder within mql5\include\.
Class Methods
Note:
The ring buffer size is fixed at 256 elements.
In this implementation, indexing follows a circular pattern, opposite to the standard linear indexing.
Examples
Utilizing this class is akin to the standard class, with a few distinctions:
- The init() method initializes the buffer with a specific value.
- The resize() method is omitted due to the constant buffer size.
You may also like: Trading Signals Module Based on As CTrend Signal Indicator - excellent alternative for library users on MetaTrader 5.
Source Code
#property copyright "robotfx"
#property link "https://robotfx.org"
class carrayring256
{
private:
double m_data[uchar_max+1]; // ring buffer of data
uchar m_last_pos; // last buffer element position
public:
carrayring256(): m_last_pos(0) { init(empty_value); }
void init(double volue=empty_value) { arrayfill(m_data,0,size(),volue); } .......
⚠ 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.