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/**
* @file gensvm_matrix.h
* @author Gertjan van den Burg
* @date August, 2013
* @brief Header file for gensvm_matrix.c
*
* @details
* Contains function declarations for functions useful for dealing with matrices.
*
*/
#ifndef GENSVM_MATRIX_H
#define GENSVM_MATRIX_H
// Set a matrix element (RowMajor)
#define matrix_set(M, cols, i, j, val) M[(i)*(cols)+j] = val
// Get a matrix element (RowMajor)
#define matrix_get(M, cols, i, j) M[(i)*(cols)+j]
// Add to a matrix element (RowMajor)
#define matrix_add(M, cols, i, j, val) M[(i)*(cols)+j] += val
// Multiply a matrix element (RowMajor)
#define matrix_mul(M, cols, i, j, val) M[(i)*(cols)+j] *= val
// Set a 3D matrix element (N2 = second dim, N3 = third dim, RowMajor)
#define matrix3_set(M, N2, N3, i, j, k, val) M[k+(N3)*(j+(N2)*(i))] = val
// Get a 3D matrix element (N2 = second dim, N3 = third dim, RowMajor)
#define matrix3_get(M, N2, N3, i, j, k) M[k+(N3)*(j+(N2)*(i))]
void print_matrix(double *M, long rows, long cols);
#endif
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