Пример #1
0
void matrix_multiply_4(float result[4][4], float first[4][4], float second[4][4]) {
    float tmp1[4][4], tmp2[4][4]; // so you can apply the thing to the same goddamn matrix
    duplicate_matrix(tmp1, first);
    duplicate_matrix(tmp2, second);
    transpose_4(tmp2);
    for (int i = 0 ; i < 4 ; i++) {
        for (int j = 0 ; j < 4 ; j++) {
            result[i][j] = dot_product(tmp1[i], tmp2[j]);
        }
    }
}
Пример #2
0
/*******************************************************************************
* float matrix_determinant(matrix_t A)
*
* 
*******************************************************************************/
float matrix_determinant(matrix_t A){
	int i,j,k;
	float ratio, det;
	if(!A.initialized){
		printf("ERROR: matrix not initialized yet\n");
		return -1;
	}
	if (A.rows != A.cols){
		printf("Error: Matrix is not square\n");
		return -1;
	}
	matrix_t temp = duplicate_matrix(A);
	for(i=0;i<A.rows;i++){
        for(j=0;j<A.rows;j++){
            if(j>i){
				ratio = temp.data[j][i]/temp.data[i][i];
                for(k=0;k<A.rows;k++){
                    temp.data[j][k] = temp.data[j][k] - ratio * temp.data[i][k];
                }
            }
        }
    }
	det = 1; //storage for determinant
    for(i=0;i<A.rows;i++) det = det*temp.data[i][i];

	destroy_matrix(&temp);
    return det;  
}
Пример #3
0
/***********************************************************************
 * Allocate memory for a transfac motif
 ***********************************************************************/
TRANSFAC_MOTIF_T *new_transfac_motif(
    const char *accession,
    const char *id,
    const char *name,
    const char *description,
    const char *consensus,
    STRING_LIST_T *species_list,
    MATRIX_T *counts
) {

    TRANSFAC_MOTIF_T *motif = mm_malloc(sizeof(TRANSFAC_MOTIF_T));
    motif->accession = NULL;
    motif->id = NULL;
    motif->name = NULL;
    motif->description = NULL;
    motif->species_list = NULL;
    motif->consensus = NULL;
    motif->counts = NULL;

    copy_string(&motif->accession, accession);
    copy_string(&motif->id, id);
    copy_string(&motif->name, name);
    copy_string(&motif->description, description);
    copy_string(&motif->consensus, consensus);

    if (species_list != NULL) {
        motif->species_list = copy_string_list(species_list);
    }

    if (counts != NULL) {
        motif->counts = duplicate_matrix(counts);
    }

    return motif;
}
Пример #4
0
/*******************************************************************************
 * Return matrix of TRANSFAC counts.
 * Caller is responsible for freeing the MATRIX_T.
 ******************************************************************************/
MATRIX_T *get_transfac_counts(TRANSFAC_MOTIF_T *motif) {
    MATRIX_T *counts = NULL;
    if (motif->counts != NULL) {
        counts = duplicate_matrix(motif->counts);
    }
    return counts;
}
Пример #5
0
/***********************************************************************
 * allocate memory for a motif
 ***********************************************************************/
MOTIF_T* allocate_motif(char *id, MATRIX_T* freqs){
	MOTIF_T* motif = mm_malloc(sizeof(MOTIF_T));

	assert(id != NULL);
	assert(freqs != NULL);

	motif->length = 0;
	motif->alph_size = 0;
	motif->ambigs = 0;
	motif->evalue = 0.0;
	motif->num_sites = 0.0;
	motif->complexity = 0.0;
	motif->freqs = duplicate_matrix(freqs);
  motif->scores = NULL;
	// Set required fields.
	int length = strlen(id) + 1;
	strncpy(motif->id, id, min(length,MAX_MOTIF_ID_LENGTH));

	motif->alph_size = get_num_cols(motif->freqs);
	motif->length = get_num_rows(motif->freqs);
  motif->url = NULL;
  motif->trim_left = 0;
  motif->trim_right = 0;
	return motif;
}
Пример #6
0
void set_motif_freqs
  (MATRIX_T* freqs,
   MOTIF_T* motif){
	// free existing matrix
	if (motif->freqs != NULL){
		free_matrix(motif->freqs);
	}
	motif->freqs = duplicate_matrix(freqs);
}
Пример #7
0
/***********************************************************************
 * Allocate memory for a MEME motif
 ***********************************************************************/
MOTIF_T* allocate_motif(
    char *id,
    ALPH_T alph,
    MATRIX_T* scores,
    MATRIX_T* freqs
) {
    MOTIF_T* motif = mm_malloc(sizeof(MOTIF_T));

    assert(id != NULL);

    if (freqs == NULL && scores == NULL) {
        die(
            "A matrix of scores, or frequencies, or both, "
            "must be provided when allocating a motif\n"
        );
    }

    motif->length = get_num_rows(freqs);
    motif->alph = alph;
    motif->flags = 0;
    motif->evalue = 0.0;
    motif->log_evalue = -HUGE_VAL;
    motif->num_sites = 0.0;
    motif->complexity = 0.0;

    int length = strlen(id) + 1;
    strncpy(motif->id, id, MIN(length, MAX_MOTIF_ID_LENGTH));

    if (scores != NULL) {
        motif->scores = duplicate_matrix(scores);
    }
    if (freqs != NULL) {
        motif->freqs = duplicate_matrix(freqs);
    }

    motif->url = NULL;
    motif->trim_left = 0;
    motif->trim_right = 0;

    return motif;
}
Пример #8
0
/*************************************************************************
 * Copies the motif frequency matrix and converts it into a odds matrix
 *************************************************************************/
MATRIX_T* create_odds_matrix(MOTIF_T *motif, ARRAY_T* bg_freqs){
  const int asize = alph_size(get_motif_alph(motif), ALPH_SIZE);
  int pos, aidx;
  MATRIX_T *odds;
  
  odds = duplicate_matrix(get_motif_freqs(motif));
  const int num_pos = get_num_rows(odds);
  for (aidx = 0; aidx < asize; ++aidx) {
    double bg_likelihood = get_array_item(aidx, bg_freqs);
    for (pos = 0; pos < num_pos; ++pos) {
      odds->rows[pos]->items[aidx] /= bg_likelihood;
    }
  }
  return odds;
}
Пример #9
0
/* 
 * PURPOSE: run the commands which user entered 
 * INPUTS: 
 * cmd double pointer that holds all commands
 * mats the matrix list
 * num_mats the number of matrix in the list
 * RETURN: void
 * If no errors occurred during process then return nothing
 * else print error message
 **/
void run_commands (Commands_t* cmd, Matrix_t** mats, unsigned int num_mats) {
	//TODO ERROR CHECK INCOMING PARAMETERS
	if(!cmd){
		printf("commands array is null\n");
		return;
	}
	if(!(*mats)){
		printf("matrix list is null\n");
		return;
	}

	/*Parsing and calling of commands*/
	if (strncmp(cmd->cmds[0],"display",strlen("display") + 1) == 0
		&& cmd->num_cmds == 2) {
			/*find the requested matrix*/
			int idx = find_matrix_given_name(mats,num_mats,cmd->cmds[1]);
			if (idx >= 0) {
				display_matrix (mats[idx]);
			}
			else {
				printf("Matrix (%s) doesn't exist\n", cmd->cmds[1]);
				return;
			}
	}
	else if (strncmp(cmd->cmds[0],"add",strlen("add") + 1) == 0
		&& cmd->num_cmds == 4) {
			int mat1_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[1]);
			int mat2_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[2]);
			if (mat1_idx >= 0 && mat2_idx >= 0) {
				Matrix_t* c = NULL;
				if( !create_matrix (&c,cmd->cmds[3], mats[mat1_idx]->rows, 
						mats[mat1_idx]->cols)) {
					printf("Failure to create the result Matrix (%s)\n", cmd->cmds[3]);
					return;
				}
			
				if(add_matrix_to_array(mats,c, num_mats) == 999){
					perror("PROGRAM FAILED TO ADD MATRIX TO ARRAY\n");
					return;
				} //TODO ERROR CHECK NEEDED


				if (! add_matrices(mats[mat1_idx], mats[mat2_idx],c) ) {
					printf("Failure to add %s with %s into %s\n", mats[mat1_idx]->name, mats[mat2_idx]->name,c->name);
					return;	
				}
			}
	}
	else if (strncmp(cmd->cmds[0],"duplicate",strlen("duplicate") + 1) == 0
		&& cmd->num_cmds == 3 && strlen(cmd->cmds[1]) + 1 <= MATRIX_NAME_LEN) {
		int mat1_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[1]);
		if (mat1_idx >= 0 ) {
				Matrix_t* dup_mat = NULL;
				if( !create_matrix (&dup_mat,cmd->cmds[2], mats[mat1_idx]->rows, 
						mats[mat1_idx]->cols)) {
					return;
				}
				if(!duplicate_matrix (mats[mat1_idx], dup_mat)){
					perror("PROGRAM FAILED TO DUPLICATE MATRIX\n");
					return;
				} //TODO ERROR CHECK NEEDED
				if(add_matrix_to_array(mats,dup_mat,num_mats) == 999){
					perror("PROGRAM FAILED TO ADD MATRIX TO ARRAY\n");
					return;
				} //TODO ERROR CHECK NEEDED
				printf ("Duplication of %s into %s finished\n", mats[mat1_idx]->name, cmd->cmds[2]);
		}
		else {
			printf("Duplication Failed\n");
			return;
		}
	}
	else if (strncmp(cmd->cmds[0],"equal",strlen("equal") + 1) == 0
		&& cmd->num_cmds == 2) {
			int mat1_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[1]);
			int mat2_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[2]);
			if (mat1_idx >= 0 && mat2_idx >= 0) {
				if ( equal_matrices(mats[mat1_idx],mats[mat2_idx]) ) {
					printf("SAME DATA IN BOTH\n");
				}
				else {
					printf("DIFFERENT DATA IN BOTH\n");
				}
			}
			else {
				printf("Equal Failed\n");
				return;
			}
	}
	else if (strncmp(cmd->cmds[0],"shift",strlen("shift") + 1) == 0
		&& cmd->num_cmds == 4) {
		int mat1_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[1]);
		const int shift_value = atoi(cmd->cmds[3]);
		if (mat1_idx >= 0 ) {
			if(!bitwise_shift_matrix(mats[mat1_idx],cmd->cmds[2][0], shift_value)){
				perror("PROGRAM FAILED TO SHIFT MATRIX\n");
				return;
			} //TODO ERROR CHECK NEEDED
			printf("Matrix (%s) has been shifted by %d\n", mats[mat1_idx]->name, shift_value);
		}
		else {
			printf("Matrix shift failed\n");
			return;
		}

	}
	else if (strncmp(cmd->cmds[0],"read",strlen("read") + 1) == 0
		&& cmd->num_cmds == 2) {
		Matrix_t* new_matrix = NULL;
		if(! read_matrix(cmd->cmds[1],&new_matrix)) {
			printf("Read Failed\n");
			return;
		}	
		
		if(add_matrix_to_array(mats,new_matrix, num_mats) == 999){
			perror("PROGRAM FAILED TO ADD MATRIX TO ARRAY\n");
			return;
		} //TODO ERROR CHECK NEEDED
		printf("Matrix (%s) is read from the filesystem\n", cmd->cmds[1]);	
	}
	else if (strncmp(cmd->cmds[0],"write",strlen("write") + 1) == 0
		&& cmd->num_cmds == 2) {
		int mat1_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[1]);
		if(! write_matrix(mats[mat1_idx]->name,mats[mat1_idx])) {
			printf("Write Failed\n");
			return;
		}
		else {
			printf("Matrix (%s) is wrote out to the filesystem\n", mats[mat1_idx]->name);
		}
	}
	else if (strncmp(cmd->cmds[0], "create", strlen("create") + 1) == 0
		&& strlen(cmd->cmds[1]) + 1 <= MATRIX_NAME_LEN && cmd->num_cmds == 4) {
		Matrix_t* new_mat = NULL;
		const unsigned int rows = atoi(cmd->cmds[2]);
		const unsigned int cols = atoi(cmd->cmds[3]);

		if(!create_matrix(&new_mat,cmd->cmds[1],rows, cols)){
			perror("PROGRAM FAILED TO ADD CREATE TO ARRAY\n");
			return;
		} //TODO ERROR CHECK NEEDED
		if(add_matrix_to_array(mats,new_mat,num_mats) == 999){
			perror("PROGRAM FAILED TO ADD MATRIX TO ARRAY\n");
			return;
		} // TODO ERROR CHECK NEEDED
		printf("Created Matrix (%s,%u,%u)\n", new_mat->name, new_mat->rows, new_mat->cols);
	}
	else if (strncmp(cmd->cmds[0], "random", strlen("random") + 1) == 0
		&& cmd->num_cmds == 4) {
		int mat1_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[1]);
		const unsigned int start_range = atoi(cmd->cmds[2]);
		const unsigned int end_range = atoi(cmd->cmds[3]);
		if(!random_matrix(mats[mat1_idx],start_range, end_range)) {
			perror("PROGRAM FAILED TO RANDOMIZE MATRIX\n");
			return;
		} //TODO ERROR CHECK NEEDED

		printf("Matrix (%s) is randomized between %u %u\n", mats[mat1_idx]->name, start_range, end_range);
	}
	else {
		printf("Not a command in this application\n");
	}

}
Пример #10
0
/**
 * Recursive function. While there is a significant position/residue pair,
 * will update pattern and return a count matrix for this pattern.
 */
MATRIX_T* add_to_pattern(char* pattern,
                         ARRAYLST_T* phospho_seqs,
                         ARRAYLST_T* bg_seqs,
                         MOTIFX_STATUS_T** phospho_status,
                         MOTIFX_STATUS_T** bg_status,
                         int* num_active,
                         int* num_bg_active,
                         MATRIX_T* phospho_count,
                         MATRIX_T* bg_count,
                         double* motif_score,
                         SUMMARY_T* summary,
                         MOMO_OPTIONS_T* options) {
  int i;
  const char* alph_letters = summary->alph_letters;
  
  // Set binomial to bg count, normalize to frequencies, and then convert it into a binomial matrix
  MATRIX_T* binomial = duplicate_matrix(bg_count);	// at this point it is a bg count matrix
  normalize_rows(0.0, binomial);                    // at this point it is a bg freq matrix
  convert_bg_freqs_to_binomial(phospho_count, binomial, *num_active);
  
  // Find minimum, and update if passes thresholds.
  int row_idx = -1;
  int col_idx = -1;
  double minimum = NAN;
  find_most_significant_within_matrix(binomial, phospho_count, &row_idx, &col_idx, &minimum, options);
  
  // clean up binomial after usage.
  free_matrix(binomial);
  
  // If one of the position/residue pairs pass, update pattern and statuses, then try to add another character to the pattern.
  if (row_idx >= 0 && col_idx >= 0) {
    pattern[row_idx] = alph_letters[col_idx];
    *motif_score = *motif_score - (minimum / log(10));
    
    // remove sequences an update matrices for phospho and bg
    remove_sequences_and_update_matrix(alph_letters[col_idx],
                                       row_idx,
                                       phospho_seqs,
                                       phospho_status,
                                       num_active,
                                       phospho_count,
                                       summary,
                                       options);
    remove_sequences_and_update_matrix(alph_letters[col_idx],
                                       row_idx,
                                       bg_seqs,
                                       bg_status,
                                       num_bg_active,
                                       bg_count,
                                       summary,
                                       options);
    
    return add_to_pattern(pattern,
                          phospho_seqs,
                          bg_seqs,
                          phospho_status,
                          bg_status,
                          num_active,
                          num_bg_active,
                          phospho_count,
                          bg_count,
                          motif_score,
                          summary,
                          options);
  }
  return phospho_count;
}
Пример #11
0
/*******************************************************************************
* vector_t lin_system_solve(matrix_t A, vector_t b)
*
* Returns the vector x that solves Ax=b
* Thank you to  Henry Guennadi Levkin for open sourcing this routine.
*******************************************************************************/
vector_t lin_system_solve(matrix_t A, vector_t b){
	float fMaxElem, fAcc;
	int nDim,i,j,k,m;
	vector_t xout = create_empty_vector();
	if(!A.initialized || !b.initialized){
		printf("ERROR: matrix or vector not initialized yet\n");
		return xout;
	}
	if(A.cols != b.len){
		printf("ERROR: matrix dimensions do not match\n");
		return xout;
	}
	
	nDim = A.cols;
	xout = create_vector(nDim);
	matrix_t Atemp = duplicate_matrix(A); // duplicate the given matrix 
	vector_t btemp = duplicate_vector(b); // duplicate the given vector
	
	for(k=0; k<(nDim-1); k++){ // base row of matrix
		// search of line with max element
		fMaxElem = fabs( Atemp.data[k][k]);
		m = k;
		for(i=k+1; i<nDim; i++){
			if(fMaxElem < fabs(Atemp.data[i][k])){
				fMaxElem = Atemp.data[i][k];
				m = i;
			}
		}
		// permutation of base line (index k) and max element line(index m)
		if(m != k){
			for(i=k; i<nDim; i++){
				fAcc = Atemp.data[k][i];
				Atemp.data[k][i] = Atemp.data[m][i];
				Atemp.data[m][i]  = fAcc;
			}
			fAcc = btemp.data[k];
			btemp.data[k] = btemp.data[m];
			btemp.data[m] = fAcc;
		}
		if(Atemp.data[k][k]  == 0.0) return xout; // needs improvement !!!
		// triangulation of matrix with coefficients
		for(j=(k+1); j<nDim; j++){ // current row of matrix
			fAcc = - Atemp.data[j][k]  / Atemp.data[k][k];
			for(i=k; i<nDim; i++){
				Atemp.data[j][i] = Atemp.data[j][i] + fAcc*Atemp.data[k][i] ;
			}
			// free member recalculation
			btemp.data[j] = btemp.data[j] + fAcc*btemp.data[k]; 
		}
	}

	for(k=(nDim-1); k>=0; k--){
		xout.data[k] = btemp.data[k];
		for(i=(k+1); i<nDim; i++){
			xout.data[k] -= (Atemp.data[k][i]*xout.data[i]);
		}
		xout.data[k] = xout.data[k] / Atemp.data[k][k];
	}

	destroy_matrix(&Atemp);
	destroy_vector(&btemp);
	return xout;
}
Пример #12
0
/*******************************************************************************
* int QR_decomposition(matrix_t A, matrix_t* Q, matrix_t* R)
*
* 
*******************************************************************************/
int QR_decomposition(matrix_t A, matrix_t* Q, matrix_t* R){
	int i, j, k, s;
	int m = A.rows;
	int n = A.cols;
	vector_t xtemp;
	matrix_t Qt, Rt, Qi, F, temp;
	
	if(!A.initialized){
		printf("ERROR: matrix not initialized yet\n");
		return -1;
	}
	
	destroy_matrix(Q);
	destroy_matrix(R);
	
	Qt = create_matrix(m,m);
	for(i=0;i<m;i++){					// initialize Qt as I
		Qt.data[i][i] = 1;
	}
	
	Rt = duplicate_matrix(A);			// duplicate A to Rt

	for(i=0;i<n;i++){					// iterate through columns of A
		xtemp = create_vector(m-i);		// allocate length, decreases with i
		
		for(j=i;j<m;j++){						// take col of -R from diag down
			xtemp.data[j-i] = -Rt.data[j][i]; 	
		}
		if(Rt.data[i][i] > 0)	s = -1;			// check the sign
		else					s = 1;
		xtemp.data[0] += s*vector_norm(xtemp);	// add norm to 1st element
		
		Qi = create_square_matrix(m);			// initialize Qi
		F  = create_square_matrix(m-i);			// initialize shrinking householder_matrix
		F  = householder_matrix(xtemp);			// fill in Househodor
		
		for(j=0;j<i;j++){
			Qi.data[j][j] = 1;				// fill in partial I matrix
		}
		for(j=i;j<m;j++){					// fill in remainder (householder_matrix)
			for(k=i;k<m;k++){
				Qi.data[j][k] = F.data[j-i][k-i];
			}
		}
		// multiply new Qi to old Qtemp
		temp = duplicate_matrix(Qt);
		destroy_matrix(&Qt);
		Qt = multiply_matrices(Qi,temp);
		destroy_matrix(&temp);
		
		// same with Rtemp
		temp = duplicate_matrix(Rt);
		destroy_matrix(&Rt);
		Rt = multiply_matrices(Qi,temp);
		destroy_matrix(&temp);
		
		// free other allocation used in this step
		destroy_matrix(&Qi);					
		destroy_matrix(&F);
		destroy_vector(&xtemp);
	}
	transpose_matrix(&Qt);
	*Q = Qt;
	*R = Rt;
	return 0;
}
Пример #13
0
/*
* PURPOSE: Runs various commands for the operations to be performed on the matrices
* INPUTS: command array, matrix array, size of matrix array
* RETURN: Nothing
**/
void run_commands (Commands_t* cmd, Matrix_t** mats, unsigned int num_mats) {
	if(cmd == NULL || mats == NULL || num_mats <= 0)
		return;


	/*Parsing and calling of commands*/
	if (strncmp(cmd->cmds[0],"display",strlen("display") + 1) == 0
		&& cmd->num_cmds == 2) {
			/*find the requested matrix*/
			int idx = find_matrix_given_name(mats,num_mats,cmd->cmds[1]);
			if (idx >= 0) {
				display_matrix (mats[idx]);
			}
			else {
				printf("Matrix (%s) doesn't exist\n", cmd->cmds[1]);
				return;
			}
	}
	else if (strncmp(cmd->cmds[0],"add",strlen("add") + 1) == 0
		&& cmd->num_cmds == 4) {
			int mat1_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[1]);
			int mat2_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[2]);
			if (mat1_idx >= 0 && mat2_idx >= 0) {
				Matrix_t* c = NULL;
				if( !create_matrix (&c,cmd->cmds[3], mats[mat1_idx]->rows,
						mats[mat1_idx]->cols)) {
					printf("Failure to create the result Matrix (%s)\n", cmd->cmds[3]);
					return;
				}

				if(add_matrix_to_array(mats,c, num_mats) == -1){
					printf("Failed to add matrix to the array");
					return;
				}


				if (! add_matrices(mats[mat1_idx], mats[mat2_idx],c) ) {
					printf("Failure to add %s with %s into %s\n", mats[mat1_idx]->name, mats[mat2_idx]->name,c->name);
					return;
				}
			}
	}
	else if (strncmp(cmd->cmds[0],"duplicate",strlen("duplicate") + 1) == 0
		&& cmd->num_cmds == 3 && strlen(cmd->cmds[1]) + 1 <= MATRIX_NAME_LEN) {
		int mat1_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[1]);
		if (mat1_idx >= 0 ) {
				Matrix_t* dup_mat = NULL;
				if( !create_matrix (&dup_mat,cmd->cmds[2], mats[mat1_idx]->rows,
						mats[mat1_idx]->cols)) {
					return;
				}

				if(duplicate_matrix (mats[mat1_idx], dup_mat) == false){
				 	printf("Duplication Failed\n");
					return;
				}

				if(add_matrix_to_array(mats,dup_mat,num_mats) == -1){
					printf("Failed to add matrix to array\n");
					return;
				}
				printf ("Duplication of %s into %s finished\n", mats[mat1_idx]->name, cmd->cmds[2]);
		}
		else {
			printf("Duplication Failed\n");
			return;
		}
	}
	else if (strncmp(cmd->cmds[0],"equal",strlen("equal") + 1) == 0
		&& cmd->num_cmds == 3) {
			int mat1_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[1]);
			int mat2_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[2]);
			if (mat1_idx >= 0 && mat2_idx >= 0) {
				if ( equal_matrices(mats[mat1_idx],mats[mat2_idx]) ) {
					printf("SAME DATA IN BOTH\n");
				}
				else {
					printf("DIFFERENT DATA IN BOTH\n");
				}
			}
			else {
				printf("Equal Failed\n");
				return;
			}
	}
	else if (strncmp(cmd->cmds[0],"shift",strlen("shift") + 1) == 0
		&& cmd->num_cmds == 4) {
		int mat1_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[1]);
		const int shift_value = atoi(cmd->cmds[3]);
		if (mat1_idx <= 0 ) {
			printf("Matrix shift failed\n");
			return;
				}

		if(bitwise_shift_matrix(mats[mat1_idx],cmd->cmds[2][0], shift_value) == false){
				printf("Matrix shift failed\n");
				return;
		}
		else
			printf("Matrix (%s) has been shifted by %d\n", mats[mat1_idx]->name, shift_value);

		}
	else if (strncmp(cmd->cmds[0],"read",strlen("read") + 1) == 0
		&& cmd->num_cmds == 2) {
		Matrix_t* new_matrix = NULL;
		if(! read_matrix(cmd->cmds[1],&new_matrix)) {
			printf("Read Failed\n");
			return;
		}

		if(add_matrix_to_array(mats,new_matrix, num_mats) == -1){
			printf("Failed to add matrix to the array");
			;
		}
		printf("Matrix (%s) is read from the filesystem\n", cmd->cmds[1]);
	}
	else if (strncmp(cmd->cmds[0],"write",strlen("write") + 1) == 0
		&& cmd->num_cmds == 2) {
		int mat1_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[1]);
		if(! write_matrix(mats[mat1_idx]->name,mats[mat1_idx])) {
			printf("Write Failed\n");
			return;
		}
		else {
			printf("Matrix (%s) is wrote out to the filesystem\n", mats[mat1_idx]->name);
		}
	}
	else if (strncmp(cmd->cmds[0], "create", strlen("create") + 1) == 0
		&& strlen(cmd->cmds[1]) + 1 <= MATRIX_NAME_LEN && cmd->num_cmds == 4) {
		Matrix_t* new_mat = NULL;
		const unsigned int rows = atoi(cmd->cmds[2]);
		const unsigned int cols = atoi(cmd->cmds[3]);

		if(create_matrix(&new_mat,cmd->cmds[1],rows, cols) == false){
			printf("Failed to create the matrix");
			return;
		}

		if(add_matrix_to_array(mats,new_mat,num_mats) == -1){
			printf("Failed to add matrix to the array");
			return;
		}
		printf("Created Matrix (%s,%u,%u)\n", new_mat->name, new_mat->rows, new_mat->cols);
	}
	else if (strncmp(cmd->cmds[0], "random", strlen("random") + 1) == 0
		&& cmd->num_cmds == 4) {
		int mat1_idx = find_matrix_given_name(mats,num_mats,cmd->cmds[1]);
		const unsigned int start_range = atoi(cmd->cmds[2]);
		const unsigned int end_range = atoi(cmd->cmds[3]);
		if(random_matrix(mats[mat1_idx],start_range, end_range) == false){
		 	printf("Failed to randomize\n");
			return;//TODO ERROR CHECK NEEDED
		}

		printf("Matrix (%s) is randomized between %u %u\n", mats[mat1_idx]->name, start_range, end_range);
	}
	else {
		printf("Not a command in this application\n");
	}

}