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#include "gtest/gtest.h"
#include <cmath>
#include <tuple>
#include <type_traits>
// assumes a constants/<dim><type>.h is already included
class ArrayNdTestFixture : public ::testing::TestWithParam<int> {
protected:
double getRate() { return std::ldexp(1.0, GetParam() + 3); }
};
typedef std::tuple<int,int,int> testConfig;
#define TEST_RATE zfp_mode_fixed_rate
#define TEST_PREC zfp_mode_fixed_precision
#define TEST_ACCU zfp_mode_fixed_accuracy
#define TEST_RVRS zfp_mode_reversible
#define TEST_INDEX_IMP 0
#define TEST_INDEX_VRB 1
#define TEST_INDEX_HY4 2
#define TEST_INDEX_HY8 3
#define TEST_INDEX_TYPE_IMP zfp::index::implicit
#define TEST_INDEX_TYPE_VRB zfp::index::verbatim
#define TEST_INDEX_TYPE_HY4 zfp::index::hybrid4
#define TEST_INDEX_TYPE_HY8 zfp::index::hybrid8
class CArrayNdTestFixture : public ::testing::TestWithParam<testConfig> {
protected:
static double getRate(int param) { return std::ldexp(1.0, param + 3); }
static unsigned int getPrecision(int param) { return 1u << (param + 3); }
static double getTolerance(int param) { return std::ldexp(1.0, -(1u << param)); }
// get(0): config mode selection
// get(1): config mode value selection
// get(2): block index type selection
zfp_config getConfig()
{
zfp_config config;
switch(std::get<0>(GetParam())) {
case zfp_mode_fixed_rate:
{
//TODO: check with/without align?
config = zfp_config_rate(getRate(std::get<1>(GetParam())), true);
break;
}
case zfp_mode_fixed_precision:
{
config = zfp_config_precision(getPrecision(std::get<1>(GetParam())));
break;
}
case zfp_mode_fixed_accuracy:
{
config = zfp_config_accuracy(getTolerance(std::get<1>(GetParam())));
break;
}
case zfp_mode_reversible:
{
config = zfp_config_reversible();
break;
}
case zfp_mode_expert:
{
//TODO: do we need this one?
//config = zfp_config_expert(uint minbits, uint maxbits, uint maxprec, int minexp);
//break;
}
default:
{
config = zfp_config_none();
break;
}
}
return config;
}
public:
struct PrintToStringParamName
{
static std::string IndexToStr(int idx)
{
switch (idx)
{
case TEST_INDEX_IMP:
{
return "Implicit";
}
case TEST_INDEX_VRB:
{
return "Verbatim";
}
case TEST_INDEX_HY4:
{
return "Hybrid4";
}
case TEST_INDEX_HY8:
{
return "Hybrid8";
}
default:
{
return "BadIdxType";
}
}
}
template <class ParamType>
std::string operator()(const testing::TestParamInfo<ParamType>& info) const
{
std::stringstream out;
switch(std::get<0>(info.param))
{
case zfp_mode_fixed_rate:
{
out << "Fixed_Rate_val" << std::get<1>(info.param) << "_idx" << IndexToStr(std::get<2>(info.param));
break;
}
case zfp_mode_fixed_precision:
{
out << "Fixed_Precision_val" << std::get<1>(info.param) << "_idx" << IndexToStr(std::get<2>(info.param));
break;
}
case zfp_mode_fixed_accuracy:
{
out << "Fixed_Accuracy_val" << std::get<1>(info.param) << "_idx" << IndexToStr(std::get<2>(info.param));
break;
}
case zfp_mode_reversible:
{
out << "Reversible_idx" << IndexToStr(std::get<2>(info.param));
break;
}
case zfp_mode_expert:
{
out << "Expert_val" << std::get<1>(info.param) << "_idx" << IndexToStr(std::get<2>(info.param));
break;
}
}
return out.str();
}
};
};
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