TEST(generateExpression, index_op) {
static const bool user_facing = true;
std::stringstream msgs;
// expr: row_vector
stan::lang::double_literal dblLit(5.1);
dblLit.string_ = "5.1";
stan::lang::expression e1 = dblLit;
std::vector<stan::lang::expression> elements;
elements.push_back(e1);
elements.push_back(e1);
stan::lang::row_vector_expr rv1(elements);
stan::lang::expression e2 = rv1;
// dimensions: vector of vector of dimensions
std::vector<std::vector<stan::lang::expression> > dimss;
std::vector<stan::lang::expression> dim;
dim.push_back(stan::lang::int_literal(1));
dimss.push_back(dim);
stan::lang::index_op i_op(e2, dimss);
stan::lang::expression e3 = i_op;
// result is index into row_vector
generate_expression(e3, user_facing, msgs);
EXPECT_NE(msgs.str().find("stan::math::to_row_vector"), std::string::npos);
EXPECT_NE(msgs.str().find("stan::math::array_builder<double"), std::string::npos);
EXPECT_NE(msgs.str().find("add(5.1).array()"), std::string::npos);
EXPECT_NE(msgs.str().find("[1]"), std::string::npos);
}
/* Execute 1 CPU cycle. */
void cpu_step(cpu_state* state)
{
state->meta.old_pc = state->pc;
/* Fetch instruction, increase PC. */
state->i = *(instr*)(&state->m[state->pc]);
state->pc += 4;
/* Call function pointer table entry */
(*op_table[i_op(state->i)])(state);
/* Update cycles. */
++state->meta.cycles;
++state->meta.target_cycles;
}
