Re: Does people favor to have matrix data type?

Hi

2016-05-25 4:52 GMT+02:00 Kouhei Kaigai <kaigai(at)ak(dot)jp(dot)nec(dot)com>:

> In a few days, I'm working for a data type that represents matrix in
> mathematical area. Does people favor to have this data type in the core,
> not only my extension?
>
> Like oidvector or int2vector, it is one of array type with a few
> restrictions:
> - 2 dimensional only
> - never contains NULL
> - element type is real or float
> - no lower bounds of array
>
> A vector in mathematic is a special case of matrix; either 1xN or Nx1.
>
> We can define various operators between matrix/scalar, like:
> matrix + matrix -> matrix
> matrix - scalar -> matrix
> matrix * matrix -> matrix
> transform(matrix) -> matrix
> :
>
> How about people's thought?
>

It is far to data processing - so it should be placed in PGXN.

Regards

Pavel

>
> If overall consensus is welcome to have, I'll set up a patch.

> Thanks,
> --
> NEC Business Creation Division / PG-Strom Project
> KaiGai Kohei <kaigai(at)ak(dot)jp(dot)nec(dot)com>
>
>
>
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