#*****************************************************************************80
#
## sa_test tests sa.
#
#  Licensing:
#
#    Copyright 2016 James P. Howard, II
#
#    The computer code and data files on this web page are distributed under
#    https://opensource.org/licenses/BSD-2-Clause, the BSD-2-Clause license.
#
#  Modified:
#
#    18 March 2020
#
#  Author:
#
#    John Burkardt
#
cat ( date ( ), "\n" )
cat ( "\n" )
cat ( "sa_test\n" )
cat ( " ", version$version.string, "\n" )
cat ( "  sa seeks the minimum of a function using simulated annealing.\n" )
cat ( "\n" )

source ( "/home/burkardt/public_html/r_src/sa/sa.R" )  

f <- function ( x ) 
{
  value = x^6 - 4.0 * x^5 - 7.0 * x^4 + 22.0 * x^3 + 24.0 * x^2 + 2
  return ( value )
}
x <- c ( 0.0 )
x <- sa ( f, x )
cat ( "  sa(polynomial, 0) = ", x, " f(x) = ", f(x), "\n" )

x <- c ( 0.0 )
x <- sa ( f, x )
cat ( "  sa(polynomial, 0) = ", x, " f(x) = ", f(x), "\n" )
#
#  Terminate.
#
cat ( "\n" )
cat ( "sa_test\n" )
cat ( "  Normal end of execution.\n" )
cat ( date ( ), "\n" )

quit ( )