#! /usr/bin/env python
#
def c8_real ( c ):

#*****************************************************************************80
#
## C8_REAL returns the real part of a C8.
#
#  Discussion:
#
#    A C8 is a complex value.
#
#  Licensing:
#
#    This code is distributed under the GNU LGPL license. 
#
#  Modified:
#
#    10 February 2015
#
#  Author:
#
#    John Burkardt
#
#  Parameters:
#
#    Input, complex C, the argument.
#
#    Output, real VALUE, the real part of C.
#
  value = c.real

  return value

def c8_real_test ( ):

#*****************************************************************************80
#
## C8_REAL_TEST tests C8_REAL.
#
#  Licensing:
#
#    This code is distributed under the GNU LGPL license. 
#
#  Modified:
#
#    10 February 2015
#
#  Author:
#
#    John Burkardt
#
  import platform
  from c8_uniform_01 import c8_uniform_01

  print ( '' )
  print ( 'C8_REAL_TEST' )
  print ( '  Python version: %s' % ( platform.python_version ( ) ) )
  print ( '  C8_REAL computes the real part of a C8.' )
  print ( '' )
  print ( '       C1=C8_UNIFORM_01          R2=C8_REAL(C1)         R3=C1.REAL' )
  print ( '     ---------------------     ---------------------  ------------' )
  print ( '' )

  seed = 123456789

  for i in range ( 0, 10 ):
    c1, seed = c8_uniform_01 ( seed )
    r2 = c8_real ( c1 )
    r3 = c1.real
    print ( '  (%12f,%12f)  %12f            %12f' % ( c1.real, c1.imag, r2, r3 ) )
#
#  Terminate.
#
  print ( '' )
  print ( 'C8_REAL_TEST:' )
  print ( '  Normal end of execution.' )
  return

if ( __name__ == '__main__' ):
  from timestamp import timestamp
  timestamp ( )
  c8_real_test ( )
  timestamp ( )