83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
|
#define SC_INCLUDE_FX
|
||
|
#include <scc/cci_util.h>
|
||
|
#include <scc/configurer.h>
|
||
|
#include <scc/observer.h>
|
||
|
#include <scc/sc_variable.h>
|
||
|
#include <scc/tracer.h>
|
||
|
#include <string>
|
||
|
#include <systemc>
|
||
|
|
||
|
using namespace sc_dt;
|
||
|
using namespace std;
|
||
|
|
||
|
struct testbench : public sc_core::sc_module {
|
||
|
scc::sc_variable<sc_dt::sc_fixed<6, 4>> a{"a", sc_dt::sc_fixed<6, 4>()};
|
||
|
scc::sc_variable<sc_fixed<4, 2, SC_RND, SC_SAT>> b_sc_sat{"b_sc_sat", 0};
|
||
|
scc::sc_variable<sc_fixed<8, 3>> a_qant{"a_qant", 0};
|
||
|
scc::sc_variable<sc_fixed<5, 3, SC_RND>> b_sc_rnd{"b_sc_rnd", 0};
|
||
|
scc::sc_variable<sc_fixed<5, 3, SC_TRN>> b_sc_trn{"b_sc_trn", 0};
|
||
|
sc_fixed<5, 3> a_fixed;
|
||
|
sc_dt::sc_fix a_fix{5, 3};
|
||
|
sc_fxtype_params params{5, 4};
|
||
|
sc_fxtype_context context{params};
|
||
|
// becase we do not specify in b_fix constructor anything
|
||
|
// the parameters are taken form the latest created context
|
||
|
sc_fix b_fix;
|
||
|
sc_fix c_fix{5, 3};
|
||
|
|
||
|
testbench(sc_core::sc_module_name const& nm)
|
||
|
: sc_module(nm) {
|
||
|
SC_HAS_PROCESS(testbench);
|
||
|
SC_THREAD(run);
|
||
|
}
|
||
|
|
||
|
void trace(sc_core::sc_trace_file* trf) const override {
|
||
|
a.trace(trf);
|
||
|
scc::sc_trace(trf, a_fixed, std::string(name()) + ".a_fixed");
|
||
|
scc::sc_trace(trf, a_fix, std::string(name()) + ".a_fix");
|
||
|
scc::sc_trace(trf, b_fix, std::string(name()) + ".b_fix");
|
||
|
scc::sc_trace(trf, c_fix, std::string(name()) + ".c_fix");
|
||
|
}
|
||
|
|
||
|
void run() {
|
||
|
wait(1_ns);
|
||
|
init();
|
||
|
wait(1_ns);
|
||
|
test_overflow_modes();
|
||
|
wait(1_ns);
|
||
|
test_quantization_modes();
|
||
|
wait(1_ns);
|
||
|
this->a = 2;
|
||
|
wait(1_ps);
|
||
|
sc_core::sc_stop();
|
||
|
}
|
||
|
|
||
|
void init() {
|
||
|
a_fixed = 1.75;
|
||
|
a_fix = 1.75;
|
||
|
b_fix = 1.75;
|
||
|
c_fix = 1.75;
|
||
|
}
|
||
|
void test_overflow_modes() {
|
||
|
a = -7;
|
||
|
b_sc_sat = *a;
|
||
|
}
|
||
|
|
||
|
void test_quantization_modes() {
|
||
|
a_qant = -2.3125;
|
||
|
b_sc_rnd = *a_qant;
|
||
|
b_sc_trn = *a_qant;
|
||
|
}
|
||
|
};
|
||
|
|
||
|
int sc_main(int sc_argc, char* sc_argv[]) {
|
||
|
scc::init_logging(scc::log::INFO);
|
||
|
scc::configurer cfg("");
|
||
|
scc::tracer trc("sc_fixed_tracing");
|
||
|
testbench tb("tb");
|
||
|
sc_core::sc_start();
|
||
|
SCCINFO("sc_main") << "End Simulation.";
|
||
|
|
||
|
return sc_core::sc_report_handler::get_count(sc_core::SC_ERROR) + sc_core::sc_report_handler::get_count(sc_core::SC_WARNING);
|
||
|
} // End of 'sc_main'
|