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DSS C-API 0.13.4
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@PMeira PMeira released this 27 Jun 23:15
· 173 commits to master since this release
0.13.4
bfdc88c

This is primarily a bugfix release for CapControl.

DSS C-API is a library that exposes a plain C API for an unofficial/alternative implementation/port of OpenDSS, the Distribution System Simulator from EPRI (the Electric Power Research Institute), aiming for full COM compatibility and beyond. It allows using most of the OpenDSS features on Windows, Linux and macOS with compatible behavior across multiple processor architectures. It is the lower level API used by the other projects in DSS-Extensions: DSS-Python, OpenDSSDirect.py, OpenDSSDirect.jl (Julia language), DSS# (.NET/C# bindings), DSS MATLAB, and the dss.hpp C++ header-only library, besides third-party projects.

All derived/downstream projects, including the documentation sites and dss.hpp headers, will be updated in the next hours/days to use this new engine.

See the changelog for a complete list of changes.
See also the updated "Known Differences" document, which lists the main differences between the DSS C-API codebase and the main/official OpenDSS.

For a growing general repository about the projects, see https://github.com/dss-extensions/dss-extensions

Besides the changes listed below, the plotting backend in DSS-Python was updated to fix and complement compatibility with the official OpenDSS plots.

Changes since 0.13.3

Bugfix release for CapControl, couple with some incremental improvements.

This version should match OpenDSS v9.6.1.3 (SVN r3623).

  • Ported from the official OpenDSS SVN code:

    • CapControl, port SVN 3622: "Solves a bug introduced in version 9.6.1.2 when using CapControl in time or follow control modes." (by davismont).

  • Added DSSEvents: Implement an initial set of functions analog to the COM interface. This was added for historical compatibility since use of DSSEvents is rarely seen. This document from EPRI (2011) presents the equivalent in the COM interface. Examples will be added in our downstream projects when time allows (feel free to request one to signal interest in this feature).

  • Handle better how the internal SolutionAbort is used. Some invalid states where not being handled on absence of float-point exceptions, leading to potential useless results (NaN) and even crashes.

  • VSource: Abort the solution if Z1 is zero.

  • API/ArrayDimensions: fix CktElement_Get_NodeOrder; add to CktElement_Get_Powers.

Full Git Changelog: 0.13.3...0.13.4

Precompiled binaries

Most of the binaries available here are built through GitHub Actions, as are most of the development builds (you need to be logged in to be able to download dev builds). Linux ARM32 binaries will be added manually as time permits (please feel free to create a new issue if we delay it too much).

Users rarely need to build the Pascal binaries themselves, since there aren't many Free Pascal compiler flags that affect them. We do recommend building KLUSolveX optimized for your machines, especially for HPC clusters (since it's built as a shared library, you don't need to worry about Free Pascal).

Checksums

SHA256

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SHA512

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