Changes between Initial Version and Version 1 of Ticket #19340, comment 8


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Timestamp:
10/03/15 19:21:50 (4 years ago)
Author:
fredrik.johansson
Comment:

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  • Ticket #19340, comment 8

    initial v1  
    44> How easily can I call them on a Sage matrix?
    55
    6 It should be enough to add the following declarations in libs/flint/fmpz_mat.pxd
     6It should be enough (untested) to add the following declarations in libs/flint/fmpz_mat.pxd
    77
    88{{{
    … …  
    4747It doesn't have a database; it uses the Paley construction. As noted above, you can easily use a fallback database/algorithm if it fails.
    4848
    49 BTW, fmpz_mat_hadamard succeeds for every multiple of 4 up to 92; current code for the Paley construction in Sage doesn't succeed to construct a size 20 Hadamard matrix.
     49BTW, fmpz_mat_hadamard succeeds for every multiple of 4 below 92; current code for the Paley construction in Sage doesn't succeed to construct a size 20 Hadamard matrix.