rounded_product
/* rv = */ rounded_product(dval(&rv), tens[e]);
/* rv = */ rounded_product(dval(&rv), tens[e]);
/* rv = */ rounded_product(dval(&rv), tens[e]);
/* rv = */ rounded_product(dval(&rv), tens[e]);
/* adj = */ rounded_product(dval(&adj), tens[e2]);
/* rv = */ rounded_product(dval(&rv), tens[e2]);