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Ewan Miller

PROFILE

Ewan Miller

Ewan Miller developed and maintained core features and infrastructure for the mach3-software/MaCh3 and MaCh3Tutorial repositories, focusing on Python packaging, CI/CD reliability, and extensible C++/Python bindings. He improved test coverage and validation workflows using Python and CMake, enabling robust installation and automated testing across releases. Ewan refactored data visualization logic and enhanced command-line usability, reducing runtime errors and clarifying user guidance. His work included YAML configuration management, error handling, and documentation updates, supporting both scientific computing and developer onboarding. By exposing virtual C++ functions to Python and stabilizing build systems, he enabled customizable workflows and safer, more maintainable deployments.

Overall Statistics

Feature vs Bugs

73%Features

Repository Contributions

35Total
Bugs
3
Commits
35
Features
8
Lines of code
929
Activity Months4

Work History

October 2025

15 Commits • 3 Features

Oct 1, 2025

October 2025: Delivered stability and extensibility across the MaCh3 ecosystem. Focused on reliable CI/CD, robust test infrastructure, and Python bindings to empower customizable behavior, driving faster validation and safer deployments.

July 2025

1 Commits • 1 Features

Jul 1, 2025

July 2025 (2025-07) — MaCh3 (mach3-software/MaCh3) focused on improving CLI usability and maintainability rather than adding new features. Key accomplishment: ProcessMCMC Usage Guidance Enhancement, clarifying the CLI error message to detail expected arguments across single, two-, and three-chain runs. This reduces user confusion, accelerates onboarding, and lowers support overhead by aligning runtime guidance with documented usage. No major bugs fixed this month; the emphasis was on quality of life improvements and code clarity. The change is tracked via a focused commit, enabling traceability and safer future iterations.

May 2025

2 Commits • 1 Features

May 1, 2025

May 2025 monthly summary for mach3-software/MaCh3: Delivered robustness and input-driven improvements to Postfit Param Plots, plus defensive hardening to plotting logic. The work increased compatibility with non-MaCh3 workflows, improved file counting accuracy, and reduced risk of runtime errors by validating inputs and using safe loop counters. These changes enhance reliability for end users and create a clearer foundation for future features.

November 2024

17 Commits • 3 Features

Nov 1, 2024

Month 2024-11: Delivered robust Python packaging, CI validation, and expanded test coverage for MaCh3 and MaCh3Tutorial, strengthening release reliability and enabling easier adoption by downstream users and collaborators. Efforts focused on delivering practical business value through Python usage, automated validation, and comprehensive testing while tightening documentation and build reliability.

Activity

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Quality Metrics

Correctness86.8%
Maintainability89.2%
Architecture82.2%
Performance82.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashC++CMakeMarkdownPythonRSTShellYAML

Technical Skills

Binding GenerationBuild System ConfigurationC++C++ Module DevelopmentCI/CDCMakeCode RefactoringCommand Line InterfaceConfigurationConfiguration ManagementData AnalysisData VisualizationDebuggingDocumentationError Handling

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

mach3-software/MaCh3

Nov 2024 Oct 2025
4 Months active

Languages Used

C++CMakeMarkdownPythonRSTShellYAML

Technical Skills

Build System ConfigurationC++ Module DevelopmentCI/CDCMakeCode RefactoringDocumentation

mach3-software/MaCh3Tutorial

Nov 2024 Oct 2025
2 Months active

Languages Used

PythonYAMLBashShell

Technical Skills

CI/CDConfiguration ManagementData AnalysisPythonRefactoringScientific Computing

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