Assign values to a set of array of structures

I'm trying to build a data structure of known size. Like this

Code:

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struct operation_matrix{
    float mtrx[16];
}operation[894];

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I know all values, and I'm planning to use perl to write the assignments for all elements, but the way of doing so for a simple array does not work.

Code:

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operation[0].mtrx[]{0.5,....last};

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Is there a way of doing it this way?
I guess there must be a better way of dealing with this, but I'm starting with C ( used to program in fortran).

Thanks in advance!

Code:

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float mtrx[894][16]

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springs to mind. . . or

Code:

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struct operation_matrix{
        float mtrx[16];
} operation[894] = {
      { .mtrx = {0.5, .......  last} },
        ........
}

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may work also, if I have all my ducks in a row.