feat: Paddle Frontend implemented special method __mod__

[druvdub]

PR Description

Related Issue

Closes #27318

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• Did you add a function?
• Did you add the tests?
• Did you run your tests and are your tests passing?
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[druvdub]

A Question for the reviewer: a doubt with the implementation of mod method (within this same file)
hence the implementation of this method is same as well, however,

Note:
paddle.remainder supports broadcasting. If you want know more about broadcasting, please refer to Introduction to Tensor_ .
.. _Introduction to Tensor: ../../guides/beginner/tensor_en.html#chapter5-broadcasting-of-tensor
And mod, floor_mod are all functions with the same name

            >>> import paddle

            >>> x = paddle.to_tensor([2, 3, 8, 7])
            >>> y = paddle.to_tensor([1, 5, 3, 3])
            >>> z = paddle.remainder(x, y)
            >>> print(z)
            Tensor(shape=[4], dtype=int64, place=Place(cpu), stop_gradient=True,
            [0, 3, 2, 1])

            >>> z = paddle.floor_mod(x, y)
            >>> print(z)
            Tensor(shape=[4], dtype=int64, place=Place(cpu), stop_gradient=True,
            [0, 3, 2, 1])

            >>> z = paddle.mod(x, y)
            >>> print(z)
            Tensor(shape=[4], dtype=int64, place=Place(cpu), stop_gradient=True,
            [0, 3, 2, 1])

the code under https://github.com/PaddlePaddle/Paddle/blob/develop/python/paddle/tensor/math.py

seems to suggest something else.

There is also the fact that there is a mod alias defined for the remainder method in https://github.com/unifyai/ivy/blob/e6e72f97c94e2518dc16e8bd63d49ec322579a97/ivy/functional/frontends/paddle/math.py#L707 but there is an available definition for floor_mod which results in an inconsistency of definitions and usage

[NiteshK84]

Hi @druvdub,
I couldn't understand your doubt, could you please clerify it.

[druvdub]

Hi @NiteshK84, sorry I was just trying to understand if the implementation was right, mainly because in paddlepaddle all methods remainder, floor_mod and mod are supposed to have the same behaviour but we have defined it differently for all 3 here.

It should be fine if this implementation is fine. It is more of a personal doubt.

[druvdub]

Validation:

Tests pass as of now. Might need updating once the question to reviewer has been answered.

[NiteshK84]

other than that, PR looks good to be merged.