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phreda4 avatar phreda4 commented on June 2, 2024 1

Sorry, I don't think I explain myself well.
I think it is not necessary to use the floating point numbers in any case.

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phreda4 avatar phreda4 commented on June 2, 2024

I don't know about posit but I am almost sure that integers are better than floating point

I only found one case where I couldn't replace them but I think I couldn't find the proper algorithm for this, this is the correct perspective textured triangle drawing.

The easy way to translate the programs is using the fixed point

The approximation of numbers to extend the range of representation does not seem to me a good idea, especially since there will always be a loss of precision, it is preferable to manage these limits of representation

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CCurl avatar CCurl commented on June 2, 2024

I am not suggesting to replace the integer operations with Posit, but for those cases where you need non-integer numbers, Posit numbers are better in many ways over floating point numbers.

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MitchBradley avatar MitchBradley commented on June 2, 2024

There are posit libraries like this one: https://gitlab.com/cerlane/SoftPosit . It would be possible to use, say CForth and replace the floating point operations in floatops.c with calls to the corresponding Posit operations.

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paraplegic avatar paraplegic commented on June 2, 2024

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CCurl avatar CCurl commented on June 2, 2024

Thanks folks!

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