xbt_assert(!double_positive(sum - cnst->bound, cnst->bound*sg_maxmin_precision),
"Incorrect value (%f is not smaller than %f): %g", sum, cnst->bound, sum - cnst->bound);
//if(double_positive(sum - cnst->bound, cnst->bound*sg_maxmin_precision))
xbt_assert(!double_positive(sum - cnst->bound, cnst->bound*sg_maxmin_precision),
"Incorrect value (%f is not smaller than %f): %g", sum, cnst->bound, sum - cnst->bound);
//if(double_positive(sum - cnst->bound, cnst->bound*sg_maxmin_precision))