Hi <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="

Thank you for using this library, <a class="user-mention notranslate" data-hovercard-t

Rounding numbers about matrex HOT 3 CLOSED

versilov commented on May 12, 2024

Rounding numbers

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Comments (3)

versilov commented on May 12, 2024

Hello!

Definitely a bug, fixed.

Now it passes special values (like NaN and Inf) as symbols :nan, :inf, :neg_inf to all apply functions. So, you can round numbers like this:

iex> Matrex.apply(m, fn x when is_float(x) -> Float.round(x)
...> o -> o                                                 
...> end)

iex(2)> Matrex.apply(m, fn x when x in [:nan, :inf, :neg_inf] -> -1
...(2)> x -> Float.round(x)
...(2)> end)

Please, give a try.

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goodhamgupta commented on May 12, 2024

Hi!

Yup, it seems to be working great! Thanks for the quick fix @versilov!

As a side note, do you have a list of tasks/features that you plan on implementing in the array branch? If you have any beginner level issues, I would be more than happy to help! 😄

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versilov commented on May 12, 2024

Thank you for using this library, @goodhamgupta! You already help to debug it.

The main task, that I am stuck at right now in the array branch is displaying of multi-dimensional matrices. It does not require deep knowledge of the language, rather good algorithmic skills (which I lack).

  # Our goal:
  # Matrex[2×2×3×2×2]:int32
  # ┌┌┌           ┐┌           ┐┌           ┐┐┐
  # │││11111 11112││11211 11212││11311 11312│││
  # │││11121 11122││11221 11222││11321 11322│││
  # ││└           ┘└           ┘└           ┘││
  # ││┌           ┐┌           ┐┌           ┐││
  # │││12111 12112││12211 12212││12311 12312│││
  # │││12121 12122││12221 12222││12321 12322│││
  # │└└           ┘└           ┘└           ┘┘│
  # │┌┌           ┐┌           ┐┌           ┐┐│
  # │││21111 21112││21211 21212││21311 21312│││
  # │││21121 21122││21221 21222││21321 21322│││
  # ││└           ┘└           ┘└           ┘││
  # ││┌           ┐┌           ┐┌           ┐││
  # │││22111 22112││22211 22212││22311 22312│││
  # │││22121 22122││22221 22222││22321 22322│││
  # └└└           ┘└           ┘└           ┘┘┘

For now it's half-done, looks like this:

iex(3)> Matrex.random({2, 2, 3, 2, 2}, :int16)
#Matrex[2×2×3×2×2]:int16
   831   6347 ││  4338   1181 ││ 12238   3884 │││
│││  1846   3181 ││  4359  12171 ││   305   8627 │││
└        ┘
│┌┌              ┐
│││  1555   1125 ││  1560   7162 ││  4894   6021 │││
│││ 13590   3041 ││ 15878   2861 ││ 15376  15071 │││
└        ┘
│┌┌              ┐
│││ 10665   7267 ││ 11838  13686 ││  3619  15967 │││
│││ 13945  13892 ││ 14153  12669 ││ 15818   7957 │││
└        ┘
│┌┌              ┐
│││   734   3795 ││  7647   4052 ││  5177   2394 │││
│││  3746  12972 ││  5217   9171 ││ 12212   6705 │││
└        ┘
│┌┌              ┐
│││

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Rounding numbers about matrex HOT 3 CLOSED

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