import numpy

def load_matrix_numpy( filename ):
	file = open(filename)
	m=numpy.array([])
	line = file.readline()
	s = line.split('\t')[:-1];
	len(s)
	file.close()

	m = numpy.fromfile(filename,sep="\t")
	m.resize(len(m)/len(s),len(s))

	return m

def load_matrix( filename ):
	file = open(filename)
	m = []
	while 1:
		line = file.readline()
		if not line:
			break;
		s = line.split('\t')[:-1];
		row=[]
		for e in s:
			row.append(float(e))
		m.append(row)
	file.close()
	return m

def load_vector(filename):
	file = open( filename )
	v = []
	while 1:
		line = file.readline()
		if not line:
			break
		s = line[:-1];
		v.append(float(s))
	file.close()
	return v

def load_vector_float(filename):
	return load_vector(filename)

def load_vector_int(filename):
	file = open( filename )
	v = []
	while 1:
		line = file.readline()
		if not line:
			break
		s = line[:-1];
		v.append(int(s))
	file.close()
	return v

def load_labels(filename):
	file = open( filename )
	l = []
	while 1:
		line = file.readline()
		if not line:
			break
		s = line[:-1];
		l.append(s)
	file.close()
	return l