#! /usr/bin/env python
#
def c8_nint ( c ):

#*****************************************************************************80
#
## C8_NINT returns the nearest complex integer of a C8.
#
#  Licensing:
#
#    This code is distributed under the GNU LGPL license. 
#
#  Modified:
#
#    15 February 2015
#
#  Author:
#
#    John Burkardt
#
#  Parameters:
#
#    Input, complex C1, the value to be NINT'ed.
#
#    Output, complex VALUE, the NINT'ed value.
#
  from math import floor

  xc = c.real
  yc = c.imag
#
#  Lower left.
#
  x = floor ( xc )
  y = floor ( yc )
  r = ( x - xc ) ** 2 + ( y - yc ) ** 2
  r_min = r
  x_min = x
  y_min = y
#
#  Lower right.
#
  x = floor ( xc ) + 1.0
  y = floor ( yc )
  r = ( x - xc ) ** 2 + ( y - yc ) ** 2
  if ( r < r_min ):
    r_min = r
    x_min = x
    y_min = y
#
#  Upper right.
#
  x = floor ( xc ) + 1.0
  y = floor ( yc ) + 1.0
  r = ( x - xc ) ** 2 + ( y - yc ) ** 2
  if ( r < r_min ):
    r_min = r
    x_min = x
    y_min = y
#
#  Upper left.
#
  x = floor ( xc )
  y = floor ( yc ) + 1.0
  r = ( x - xc ) ** 2 + ( y - yc ) ** 2
  if ( r < r_min ):
    r_min = r
    x_min = x
    y_min = y
 
  value = x_min + 1j * y_min

  return value

def c8_nint_test ( ):

#*****************************************************************************80
#
## C8_NINT_TEST tests C8_NINT.
#
#  Licensing:
#
#    This code is distributed under the GNU LGPL license. 
#
#  Modified:
#
#    15 February 2015
#
#  Author:
#
#    John Burkardt
#
  import platform
  from c8_uniform_01 import c8_uniform_01

  print ( '' )
  print ( 'C8_NINT_TEST' )
  print ( '  Python version: %s' % ( platform.python_version ( ) ) )
  print ( '  C8_NINT computes the nearest integer to a C8.' )
  print ( '' )
  print ( '       C1=10*C8_UNIFORM_01     C2=C8_NINT(C1)' )
  print ( '     ---------------------     ---------------------' )
  print ( '' )

  seed = 123456789

  for i in range ( 0, 10 ):
    c1, seed = c8_uniform_01 ( seed )
    c1 = 10.0 * c1
    c2 = c8_nint ( c1 )
    print ( '  (%12f,%12f)  (%12f,%12f)' % ( c1.real, c1.imag, c2.real, c2.imag ) )
#
#  Terminate.
#
  print ( '' )
  print ( 'C8_NINT_TEST:' )
  print ( '  Normal end of execution.' )
  return

if ( __name__ == '__main__' ):
  from timestamp import timestamp
  timestamp ( )
  c8_nint_test ( )
  timestamp ( )