nn_mod_inc
ATTRIBUTE_WARN_UNUSED_RET int nn_mod_inc(nn_t out, nn_src_t in1, nn_src_t p);
GENERIC_TEST_NN(nn_mod_inc, NN_MOD_INC, "++%", nn_mod_inc, "nnn", "iio",
ret = nn_mod_inc(&(out->fp_val), &(in->fp_val), &(in->ctx->p));