mnbigmat.h

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// MNBigMat.h
// Created by Steve Anderson, Nov. 22 1996.

// BigMatrix is for when I need good old-fashioned mxn matrices.

// Classes:
// BigMatrix
#pragma once

#include <WTypes.h>
#include <stdio.h>
#include "export.h"
#include "maxheap.h"

#define BIGMAT_MAX_SIZE 50000  // LAM - defect 292187 - bounced up from 10000

class BigMatrix: public MaxHeapOperators {
public:
    int m, n;
    float *val;

    BigMatrix () { val=NULL; m=0; n=0; }
    DllExport BigMatrix (int mm, int nn);
    DllExport BigMatrix (const BigMatrix & from);
    ~BigMatrix () { Clear (); }

    DllExport void Clear ();
    DllExport int SetSize (int mm, int nn);

    DllExport float *operator[](int i) const;
    DllExport BigMatrix & operator= (const BigMatrix & from);

    DllExport void SetTranspose (BigMatrix & trans) const;
    DllExport float Invert();
    DllExport void Identity ();

    // Debugging functions:
    DllExport void Randomize (float scale);
    DllExport void MNDebugPrint ();

    // Do not use -- does nothing.  (Replaced by MNDebugPrint.)
    DllExport void dump (FILE *fp);
};

DllExport extern BOOL BigMatMult (BigMatrix & a, BigMatrix & b, BigMatrix &c);