James Tursa

Last seen: Today | Active since 2007

Followers: 1 Following: 0

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Interested in external applications, mex & engine applications with Fortran, C, C++, etc, particularly in the areas of speed improvement and memory management efficiencies.

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Submitted

SAREK - Sparse Analyzer Real Et Komplex
The SAREK function analyzes a sparse matrix for integrity. Useful especially for checking sparse matrices built by 3rd party s/w...

10 months ago | 1 download |

Submitted

freadcomplex and fwritecomplex
Mex routines that read and write interleaved complex data files for MATLAB R2018a or later without extra data copy.

4 years ago | 8 downloads |

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num2strexact (exact version of num2str)
num2strexact does exact conversion of number to string based on IEEE floating point bit pattern

4 years ago | 7 downloads |

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IEEE 754r Half Precision floating point converter
Converts MATLAB or C variables to/from IEEE 754r Half Precision floating point bit pattern.

4 years ago | 12 downloads |

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SHAREDCHILD creates a shared data copy of contiguous subset
SHAREDCHILD creates a shared data copy of a contiguous subsection of an existing variable

4 years ago | 1 download |

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mxGetPropertyPtr & mxSetPropertySDC C-mex functions
Fast memory efficient alternative to API functions mxGetProperty & mxSetProperty.

5 years ago | 2 downloads |

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C Mex MATLAB Version
Mex C code to determine MATLAB version at compile time and run time

5 years ago | 5 downloads |

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ISSHARED determines data sharing status among workspace variables
ISSHARED determines data sharing status among workspace variables

6 years ago | 1 download |

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LOADFIXNAMES loads a mat file, fixing invalid names
Loads a mat file into the caller's workspace, fixing invalid variable and field names.

7 years ago | 6 downloads |

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mexPutVariableSharedDataCopy
This C routine puts a shared data copy of a variable into a workspace from a mex routine

11 years ago | 1 download |

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SPARSECLEAN - Efficiently cleans a sparse matrix of small values or nan
SPARSECLEAN cleans a double sparse matrix of small or nan values or values within a range.

11 years ago | 4 downloads |

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Fortran 95 Interface to MATLAB API with extras!
This is the one you have been waiting for, a clean interface using assumed shape Fortran pointers.

13 years ago | 4 downloads |

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UNINIT - Create an uninitialized variable (like ZEROS but faster)
UNINIT is similar to ZEROS, except UNINIT returns uninitialized values instead of zero values.

13 years ago | 4 downloads |

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typecast and typecastx C-mex functions
typecast and typecastx are mex functions that mimic the MATLAB typecast function with extensions

13 years ago | 1 download |

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MTIMESX - Fast Matrix Multiply with Multi-Dimensional Support
Beats MATLAB 300% - 400% in some cases ... really!

14 years ago | 27 downloads |

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mpower2 - A faster matrix power function.
mpower2 evaluates matrix to an integer power faster than the MATLAB built-in function mpower.

15 years ago | 2 downloads |

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polyvalm2 - A faster matrix polynomial evaluator
polyvalm2 evaluates a polynomial with a matrix argument faster than the MATLAB function polyvalm.

15 years ago | 3 downloads |

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num2vpi - Converts input exactly into vpi
Converts double inputs larger than 2^53-1, or char inputs with exponents, exactly into vpi.

15 years ago | 2 downloads |

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Fortran mex routine mxGetClassName
A drop-in replacement for the TMW Fortran API function mxGetClassName routine that does not work.

15 years ago | 1 download |

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swapbytes C-mex function
swapbytes(X1,X2,...) reverses byte ordering of each element, little-endian values to/from big-endian

15 years ago | 1 download |

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Moon Position
moonpos calculates moon position accurate to 10 arcsec. Based on Astronomical Algorithms, Meeus

15 years ago | 10 downloads |

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Count "on" "off" or calculate simple "parity" bits of input
Three functions to calculate the number of "on", "off", or simple "parity" bits of input

16 years ago | 1 download |

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Fortran mex: mxCopyCharacterToPtr and mxCopyPtrToCharacter
Drop in replacements for the Mathworks supplied functions of the same names that do not work.

16 years ago | 1 download |