// file: $(LAB 07)/Matrix.h
//
// this inclulde file defines the matrix data structure
// and the support files.
//

// modified:
//  20181116 (JP): initial version
//

// make sure this is only included once
//
#ifndef _MATRIX
#define _MATRIX
#endif

// system include files
//
#include <stdio.h>	// stdin, stdout, fopen, etc.
#include <memory.h>	// memset, memmove, etc.
#include <math.h>	// atoi

// define a structure to hold the matrix:
//  Note that ncols must be a vector because each row can have
//  a different number of columns.
//
struct MATRIX {
  long nrows;		// number of rows
  long* ncols;		// number of cols in each row
  float** data;		// matrix values
};

// define the support functions
//
bool load(MATRIX& mat, FILE* fp);
bool display(FILE* fp, MATRIX& mat, char* delim);

// define important numeric constants
//
#define MAX_LINE_LEN  (long)9999
#define MAX_VALUE_LEN (long)99

// define the characters that we will allow to separate values on the line.
// in this case we allow commad, space and tab.
//
#define DELIMITERS (char*)", \t"

// exit gracefully
//