#! /usr/bin/env python # def i4vec_sum ( n, a ): #*****************************************************************************80 # ## I4VEC_SUM sums the entries of an I4VEC. # # Discussion: # # An I4VEC is a vector of I4's. # # Licensing: # # This code is distributed under the GNU LGPL license. # # Modified: # # 29 September 2014 # # Author: # # John Burkardt # # Parameters: # # Input, integer N, the number of elements. # # Input, integer A(N), the vector. # # Output, integer VALUE, the sum of the entries. # value = 0 for i in range ( 0, n ): value = value + a[i] return value def i4vec_sum_test ( ): #*****************************************************************************80 # ## I4VEC_SUM_TEST tests I4VEC_SUM. # # Licensing: # # This code is distributed under the GNU LGPL license. # # Modified: # # 27 October 2014 # # Author: # # John Burkardt # import platform from i4vec_print import i4vec_print from i4vec_uniform_ab import i4vec_uniform_ab print ( '' ) print ( 'I4VEC_SUM_TEST' ) print ( ' Python version: %s' % ( platform.python_version ( ) ) ) print ( ' I4VEC_SUM sums the entries of an I4VEC.' ) n = 5 lo = 0 hi = 10 seed = 123456789 a, seed = i4vec_uniform_ab ( n, lo, hi, seed ) i4vec_print ( n, a, ' The vector:' ) s = i4vec_sum ( n, a ) print ( '' ) print ( ' The vector entries sum to %d' % ( s ) ) # # Terminate. # print ( '' ) print ( 'I4VEC_SUM_TEST:' ) print ( ' Normal end of execution.' ) return if ( __name__ == '__main__' ): from timestamp import timestamp timestamp ( ) i4vec_sum_test ( ) timestamp ( )