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var.cpp
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88 lines (76 loc) · 3.05 KB
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/*******************************************************
* Copyright (c) 2014, ArrayFire
* All rights reserved.
*
* This file is distributed under 3-clause BSD license.
* The complete license agreement can be obtained at:
* http://arrayfire.com/licenses/BSD-3-Clause
********************************************************/
#include <af/array.h>
#include <af/dim4.hpp>
#include <af/statistics.h>
#include "common.hpp"
#include "error.hpp"
namespace af {
array var(const array& in, const bool isbiased, const dim_t dim) {
af_array temp = 0;
AF_THROW(af_var(&temp, in.get(), isbiased, getFNSD(dim, in.dims())));
return array(temp);
}
array var(const array& in, const array& weights, const dim_t dim) {
af_array temp = 0;
AF_THROW(af_var_weighted(&temp, in.get(), weights.get(),
getFNSD(dim, in.dims())));
return array(temp);
}
#define INSTANTIATE_VAR(T) \
template<> \
AFAPI T var(const array& in, const bool isbiased) { \
double ret_val; \
AF_THROW(af_var_all(&ret_val, NULL, in.get(), isbiased)); \
return (T)ret_val; \
} \
\
template<> \
AFAPI T var(const array& in, const array& weights) { \
double ret_val; \
AF_THROW( \
af_var_all_weighted(&ret_val, NULL, in.get(), weights.get())); \
return (T)ret_val; \
}
template<>
AFAPI af_cfloat var(const array& in, const bool isbiased) {
double real, imag;
AF_THROW(af_var_all(&real, &imag, in.get(), isbiased));
return af_cfloat((float)real, (float)imag);
}
template<>
AFAPI af_cdouble var(const array& in, const bool isbiased) {
double real, imag;
AF_THROW(af_var_all(&real, &imag, in.get(), isbiased));
return af_cdouble(real, imag);
}
template<>
AFAPI af_cfloat var(const array& in, const array& weights) {
double real, imag;
AF_THROW(af_var_all_weighted(&real, &imag, in.get(), weights.get()));
return af_cfloat((float)real, (float)imag);
}
template<>
AFAPI af_cdouble var(const array& in, const array& weights) {
double real, imag;
AF_THROW(af_var_all_weighted(&real, &imag, in.get(), weights.get()));
return af_cdouble(real, imag);
}
INSTANTIATE_VAR(float);
INSTANTIATE_VAR(double);
INSTANTIATE_VAR(int);
INSTANTIATE_VAR(unsigned int);
INSTANTIATE_VAR(long long);
INSTANTIATE_VAR(unsigned long long);
INSTANTIATE_VAR(short);
INSTANTIATE_VAR(unsigned short);
INSTANTIATE_VAR(char);
INSTANTIATE_VAR(unsigned char);
#undef INSTANTIATE_VAR
} // namespace af