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2025-07-17Renamed drslice drfinnoeSebastiano Tronto3-26/+26
2025-07-17Comments for drsliceSebastiano Tronto1-4/+15
2025-07-17Small optimization for coord gendataSebastiano Tronto1-5/+10
2025-07-17Working drslice (same results as nissy-classic)Sebastiano Tronto6-0/+195
2025-06-19Small fixesSebastiano Tronto1-2/+2
2025-06-18Trick fixSebastiano Tronto1-6/+21
2025-06-18Change min depth for H48 tasks heuristic sortSebastiano Tronto1-1/+1
2025-06-18Big speedup for H48 solver (heuristic sort of tasks)Sebastiano Tronto1-19/+46
2025-05-30More improvements to web solverSebastiano Tronto1-8/+8
2025-05-28Fix small build error with clangSebastiano Tronto1-1/+2
2025-05-27Removed VLA notation from function parameters.Sebastiano Tronto13-70/+70
I found out that this gives undefined behavior when then size is 0. Better not to have it at all, it is confusing for other developers anyway.
2025-05-26Avoid pausing for logging only if poll_status() is null (h48 solver).Sebastiano Tronto1-10/+7
This is a small amendment to c6a77f30f64be73a5e55e06336975f2ecfbb2324, which changed the way we log solutions while the h48 solver is running. With the method recently introduced, the main thread checks for solutions to log every 0.5 seconds, resulting in a possible slowdown of at most 0.5s per solve. The solutions are also logged when all worker threads are completed. With this new method, when the poll_status() callback function is NULL, which likely means nissy is not run interactively, we rely only on the final log on completion of the worker threads. This means less frequent logging, but at no performance cost.
2025-05-25CleanupSebastiano Tronto1-1/+2
2025-05-25Quick fix for bugSebastiano Tronto1-9/+8
2025-05-23Do all loggin in main threadSebastiano Tronto7-92/+124
Before this committ, the solver (via the generic solution-appender routines in src/solve/solutions.h) and the H48 data generator did some logging in the worker threads, without using any locks. This was not nice, but in practice it did not cause any problem, because the log messages were rare. However, this turned out to be a problem when building to WASM, because web workers do not have access to the main JS memory, and therefore they cannot call functions from the main JS. This includes not only the callback functions for logging, but also those for polling the status of the solver (run / pause / stop). This commit fixes this at the cost or being somewhat inelegant: the solutions are not logged as they are found, but only every 500ms.
2025-05-19Refactored checkdataSebastiano Tronto17-225/+401
Relevant changes include: - Changed the signature of nissy_checkdata(). - Removed expected_distribution.h from tools; this data is now included in each solver's src/ code. - Removed distribution check for cocsep; may add back later.
2025-05-18Refactor solver dispatch and checkdataSebastiano Tronto13-246/+318
2025-05-09Other minor fixesSebastiano Tronto1-2/+2
2025-05-07Added build scriptSebastiano Tronto1-1/+1
2025-04-29Added stop / pause / resume solve to APISebastiano Tronto6-35/+174
2025-04-25Give error when ( is not closed in NISS sequenceSebastiano Tronto1-0/+4
2025-04-25NISSSebastiano Tronto11-101/+187
2025-04-23Added tests for inverse moveSebastiano Tronto1-6/+30
2025-04-23Added orientation to getcubeSebastiano Tronto3-14/+27
2025-04-23Adjusted solvers, fixed bugSebastiano Tronto8-32/+51
2025-04-23Almost added support for wide moves, only solve missingSebastiano Tronto3-48/+185
2025-04-22ProgressSebastiano Tronto6-595/+672
2025-04-22Update tests for oriented_cube_tSebastiano Tronto7-70/+99
2025-04-22Remove compose from the public APISebastiano Tronto2-66/+0
2025-04-22Updated documentationSebastiano Tronto2-5/+5
2025-04-22Updated tests and added fixed =A to B32 outputSebastiano Tronto2-34/+22
2025-04-22Removed old scripts and updated public APISebastiano Tronto5-534/+238
2025-04-22Added constantsSebastiano Tronto2-20/+115
2025-04-21Always use unsigned char * for data buffersSebastiano Tronto16-193/+203
Before this commit I was inconsistently using one of void *, char * and uint8_t *.
2025-04-21Merged some files, renamed anotherSebastiano Tronto6-154/+154
2025-04-20Improve order of moves in NISS solutionsSebastiano Tronto1-18/+62
Now the side that has more moves is written first. For example: write (U L F) B instead of B (U L F) This also fixes the test on appendsolutions, which used an older version of the function's signature.
2025-04-19Improved logging, especially for solveSebastiano Tronto12-125/+114
2025-04-17Sped up checkdata for H48 tablesSebastiano Tronto3-10/+58
2025-04-17Small rework of optimal vs maxsolsSebastiano Tronto6-40/+31
I wanted to make the "optimal" and "maxsolutions" options mutually exclusive, but in the end I decided there is value in keeping both (e.g. for specifying a limit to the number of solutions when asking for "all" optimal"). Now optimal cannot be negative anymore, for the same reason of maxsolutions. The interface user (shell, UI) will have to take care of handling this in a way that makes sense for the user. Usually this means setting the maximum number of solutions to UINT_MAX (or a similar very high number) when the user wants "all optimal".
2025-04-15Log solutions as they are foundSebastiano Tronto3-7/+18
2025-04-15Better logging functionSebastiano Tronto3-17/+22
Now it is possible to provide some data together with the logging function. This is useful for example in C++, where I can now provide an arbitrary callable object as data, and a simple wrapper function that call the callable object as logging function.
2025-04-14FixSebastiano Tronto1-1/+1
2025-04-09Add an opinionated C++20 adapterSebastiano Tronto1-1/+1
2025-04-08Fixed shell; reorganized nissy.hSebastiano Tronto1-93/+93
2025-04-08Some minor changes to the interface.Sebastiano Tronto8-43/+59
- Simplified logger to accept only a string, not a variadic list of args like printf(). This can still use some improvement, but now it is easier to use from other languages. - Fixed some misuses of the logger (wrong types etc) - Renamed some constants - Fixed some typos in comments.
2025-04-02Fix compilation errors with GCC on ARMSebastiano Tronto1-2/+2
2025-04-02Added dreo coordinate solverSebastiano Tronto12-16/+178
2025-04-01Make single-use struct field anonymousSebastiano Tronto1-12/+10
2025-04-01Make symcoord logic genericSebastiano Tronto4-115/+191
2025-04-01Fix mismatched type in function prototype and implementationSebastiano Tronto2-2/+2

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