def read_bin_lush_matrix(filepath):
 f = open(filepath, 'rb')
 try:
  magic = read_int(f)
 except ValueError:
  reraise_as("Couldn't read magic number")
 ndim = read_int(f)
 if (ndim == 0):
  shape = ()
 else:
  shape = read_int(f, max(3, ndim))
 total_elems = 1
 for dim in shape:
  total_elems *= dim
 try:
  dtype = lush_magic[magic]
 except KeyError:
  reraise_as(ValueError(('Unrecognized lush magic number ' + str(magic))))
 rval = np.fromfile(file=f, dtype=dtype, count=total_elems)
 excess = f.read((-1))
 if excess:
  raise ValueError((str(len(excess)) + ' extra bytes found at end of file. This indicates  mismatch between header and content'))
 rval = rval.reshape(*shape)
 f.close()
 return rval

def read_bin_lush_matrix ( filepath ) : f = open ( filepath , 'rb' ) try : magic = read_int ( f ) except ValueError : reraise_as ( "Couldn't read magic number" ) ndim = read_int ( f ) if ( ndim == 0 ) : shape = ( ) else : shape = read_int ( f , max ( 3 , ndim ) ) total_elems = 1 for dim in shape : total_elems *= dim try : dtype = lush_magic [ magic ] except KeyError : reraise_as ( ValueError ( ( 'Unrecognized lush magic number ' + str ( magic ) ) ) ) rval = np . fromfile ( file = f , dtype = dtype , count = total_elems ) excess = f . read ( ( - 1 ) ) if excess : raise ValueError ( ( str ( len ( excess ) ) + ' extra bytes found at end of file. This indicates  mismatch between header and content' ) ) rval = rval . reshape ( * shape ) f . close ( ) return rval
reads a binary matrix saved by the lush library .