qt_double_sum

SYNOPSIS

       #include <qthread/qloop.h>

       double
       qt_double_sum(double *array, size_t length, int checkfeb);

       unsigned int
       qt_uint_sum(unsigned int *array, size_t length, int checkfeb);

       int
       qt_int_sum(int *array, size_t length, int checkfeb);

DESCRIPTION

       These  functions  take  as  input  an  array of length numbers and will
       return the sum of those numbers. This sum is computed  in  parallel  by
       dividing  the  iterations  evenly among the shepherds, using futures to
       restrict the parallelism to the available limits.

       If checkfeb is non-zero, these functions will wait for the  entries  in
       the  array to be full before adding them. They DO NOT check whether the
       array entries are properly aligned.

RETURN VALUE

       The sum of the first length entries of array.

SEE ALSO

       qt_double_prod(3), qt_double_max(3), qt_double_min(3), qt_uint_prod(3),
       qt_uint_max(3),    qt_uint_min(3),    qt_int_prod(3),    qt_int_max(3),
       qt_int_min(3),   qt_loop(3),   qt_loop_future(3),   qt_loop_balance(3),
       qt_loop_balance_future(3),  qt_loopaccum_balance(3),
       qt_loopaccum_balance_future(3)



libqthread                         JUNE 2007                  qt_double_sum(3)