/*****
 * jims_matrix.h
 *
 * The header file, with definitions and API.
 * See ./readme.txt for the details.
 *
 * Jim Mahoney | cs.marlboro.edu | Jan 2016 | MIT License
 *****/

#ifndef JIMS_MATRIX
#define JIMS_MATRIX

typedef struct _jmatrix *jmatrix;
struct _jmatrix {
  int rows;
  int columns;
  float *values;
};

/* Create and return a jmatrix. 
   If values is non-null then it will be copied in as data. */
jmatrix new_jmatrix(int rows, int columns, float* values);

/* Get one float from a jmatrix at the given row, col */
float jm_get(jmatrix m, int row, int col);

/* Set one float in a jmatrix at the given row, col */
void jm_set(jmatrix m, int row, int col, float v); 

/* Transpose a matrix in place. */
void transpose_jmatrix(jmatrix m);

/* Print a matrix */
void print_jmatrix(jmatrix m);

/* Free a jmatrix's allocated memory */
void free_jmatrix(jmatrix m);

#endif