arrayfire/src/api/cpp/data.cpp at master · arrayfire/arrayfire · GitHub

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/*******************************************************

* 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/data.h>

#pragma GCC diagnostic push

#pragma GCC diagnostic ignored "-Wparentheses"

#include <half.hpp>

#pragma GCC diagnostic pop

#include <af/arith.h>

#include <af/array.h>

#include <af/complex.h>

#include <af/defines.h>

#include <af/gfor.h>

#include <af/half.h>

#include <af/traits.hpp>

#include "error.hpp"

#include <type_traits>

using af::array;

using af::dim4;

using af::dtype;

using std::enable_if;

namespace {

// NOTE: we are repeating this here so that we don't need to access the

// is_complex types in backend/common. This is done to isolate the C++ API from

// the internal API

template<typename T>

struct is_complex {

static const bool value = false;

};

template<>

struct is_complex<af::cfloat> {

static const bool value = true;

};

template<>

struct is_complex<af::cdouble> {

static const bool value = true;

};

array constant(af_half val, const dim4 &dims, const dtype type) {

af_array res;

UNUSED(val);

AF_THROW(af_constant(&res, 0, //(double)val,

dims.ndims(), dims.get(), type));

return array(res);

}

template<typename T, typename = typename enable_if<

!static_cast<bool>(is_complex<T>::value), T>::type>

array constant(T val, const dim4 &dims, dtype type) {

af_array res;

if (type != s64 && type != u64) {

AF_THROW(

af_constant(&res, (double)val, dims.ndims(), dims.get(), type));

} else if (type == s64) {

AF_THROW(

af_constant_long(&res, (long long)val, dims.ndims(), dims.get()));

} else {

AF_THROW(af_constant_ulong(&res, (unsigned long long)val, dims.ndims(),

dims.get()));

}

return array(res);

}

template<typename T>

typename enable_if<static_cast<bool>(is_complex<T>::value), array>::type

constant(T val, const dim4 &dims, const dtype type) {

if (type != c32 && type != c64) {

return ::constant(real(val), dims, type);

}

af_array res;

AF_THROW(af_constant_complex(&res, real(val), imag(val), dims.ndims(),

dims.get(), type));

return array(res);

}

} // namespace

namespace af {

template<typename T>

array constant(T val, const dim4 &dims, const af::dtype type) {

return ::constant(val, dims, type);

}

template<typename T>

array constant(T val, const dim_t d0, const af::dtype ty) {

return ::constant(val, dim4(d0), ty);

}

template<typename T>

array constant(T val, const dim_t d0, const dim_t d1, const af::dtype ty) {

return ::constant(val, dim4(d0, d1), ty);

}

template<typename T>

array constant(T val, const dim_t d0, const dim_t d1, const dim_t d2,

const af::dtype ty) {

return ::constant(val, dim4(d0, d1, d2), ty);

}

template<typename T>

array constant(T val, const dim_t d0, const dim_t d1, const dim_t d2,

const dim_t d3, const af::dtype ty) {

return ::constant(val, dim4(d0, d1, d2, d3), ty);

}

#define CONSTANT(TYPE) \

template AFAPI array constant<TYPE>(TYPE val, const dim4 &dims, \

const af::dtype ty); \

template AFAPI array constant<TYPE>(TYPE val, const dim_t d0, \

const af::dtype ty); \

template AFAPI array constant<TYPE>(TYPE val, const dim_t d0, \

const dim_t d1, const af::dtype ty); \

template AFAPI array constant<TYPE>(TYPE val, const dim_t d0, \

const dim_t d1, const dim_t d2, \

const af::dtype ty); \

template AFAPI array constant<TYPE>(TYPE val, const dim_t d0, \

const dim_t d1, const dim_t d2, \

const dim_t d3, const af::dtype ty);

CONSTANT(double);

CONSTANT(float);

CONSTANT(int);

CONSTANT(unsigned);

CONSTANT(char);

CONSTANT(signed char);

CONSTANT(unsigned char);

CONSTANT(cfloat);

CONSTANT(cdouble);

CONSTANT(long);

CONSTANT(unsigned long);

CONSTANT(long long);

CONSTANT(unsigned long long);

CONSTANT(bool);

CONSTANT(short);

CONSTANT(unsigned short);

CONSTANT(half);

CONSTANT(half_float::half);

#undef CONSTANT

array range(const dim4 &dims, const int seq_dim, const af::dtype ty) {

af_array out;

AF_THROW(af_range(&out, dims.ndims(), dims.get(), seq_dim, ty));

return array(out);

}

array range(const dim_t d0, const dim_t d1, const dim_t d2, const dim_t d3,

const int seq_dim, const af::dtype ty) {

return range(dim4(d0, d1, d2, d3), seq_dim, ty);

}

array iota(const dim4 &dims, const dim4 &tile_dims, const af::dtype ty) {

af_array out;

AF_THROW(af_iota(&out, dims.ndims(), dims.get(), tile_dims.ndims(),

tile_dims.get(), ty));

return array(out);

}

array identity(const dim4 &dims, const af::dtype type) {

af_array res;

AF_THROW(af_identity(&res, dims.ndims(), dims.get(), type));

return array(res);

}

array identity(const dim_t d0, const af::dtype ty) {

return identity(dim4(d0), ty);

}

array identity(const dim_t d0, const dim_t d1, const af::dtype ty) {

return identity(dim4(d0, d1), ty);

}

array identity(const dim_t d0, const dim_t d1, const dim_t d2,

const af::dtype ty) {

return identity(dim4(d0, d1, d2), ty);

}

array identity(const dim_t d0, const dim_t d1, const dim_t d2, const dim_t d3,

const af::dtype ty) {

return identity(dim4(d0, d1, d2, d3), ty);

}

array diag(const array &in, const int num, const bool extract) {

af_array res;

if (extract) {

AF_THROW(af_diag_extract(&res, in.get(), num));

} else {

AF_THROW(af_diag_create(&res, in.get(), num));

}

return array(res);

}

array moddims(const array &in, const unsigned ndims, const dim_t *const dims) {

af_array out = 0;

AF_THROW(af_moddims(&out, in.get(), ndims, dims));

return array(out);

}

array moddims(const array &in, const dim4 &dims) {

return af::moddims(in, dims.ndims(), dims.get());

}

array moddims(const array &in, const dim_t d0, const dim_t d1, const dim_t d2,

const dim_t d3) {

dim_t dims[4] = {d0, d1, d2, d3};

return af::moddims(in, 4, dims);

}

array flat(const array &in) {

af_array out = 0;

AF_THROW(af_flat(&out, in.get()));

return array(out);

}

array join(const int dim, const array &first, const array &second) {

af_array out = 0;

AF_THROW(af_join(&out, dim, first.get(), second.get()));

return array(out);

}

array join(const int dim, const array &first, const array &second,

const array &third) {

af_array out = 0;

af_array inputs[3] = {first.get(), second.get(), third.get()};

AF_THROW(af_join_many(&out, dim, 3, inputs));

return array(out);

}

array join(const int dim, const array &first, const array &second,

const array &third, const array &fourth) {

af_array out = 0;

af_array inputs[4] = {first.get(), second.get(), third.get(), fourth.get()};

AF_THROW(af_join_many(&out, dim, 4, inputs));

return array(out);

}

array tile(const array &in, const unsigned x, const unsigned y,

const unsigned z, const unsigned w) {

af_array out = 0;

AF_THROW(af_tile(&out, in.get(), x, y, z, w));

return array(out);

}

array tile(const array &in, const af::dim4 &dims) {

af_array out = 0;

AF_THROW(af_tile(&out, in.get(), dims[0], dims[1], dims[2], dims[3]));

return array(out);

}

array reorder(const array &in, const unsigned x, const unsigned y,

const unsigned z, const unsigned w) {

af_array out = 0;

AF_THROW(af_reorder(&out, in.get(), x, y, z, w));

return array(out);

}

array shift(const array &in, const int x, const int y, const int z,

const int w) {

af_array out = 0;

AF_THROW(af_shift(&out, in.get(), x, y, z, w));

return array(out);

}

array flip(const array &in, const unsigned dim) {

af_array out = 0;

AF_THROW(af_flip(&out, in.get(), dim));

return array(out);

}

array lower(const array &in, bool is_unit_diag) {

af_array res;

AF_THROW(af_lower(&res, in.get(), is_unit_diag));

return array(res);

}

array upper(const array &in, bool is_unit_diag) {

af_array res;

AF_THROW(af_upper(&res, in.get(), is_unit_diag));

return array(res);

}

array select(const array &cond, const array &a, const array &b) {

af_array res;

AF_THROW(af_select(&res, cond.get(), a.get(), b.get()));

return array(res);

}

array select(const array &cond, const array &a, const double &b) {

af_array res;

AF_THROW(af_select_scalar_r(&res, cond.get(), a.get(), b));

return array(res);

}

array select(const array &cond, const double &a, const array &b) {

af_array res;

AF_THROW(af_select_scalar_l(&res, cond.get(), a, b.get()));

return array(res);

}

void replace(array &a, const array &cond, const array &b) {

AF_THROW(af_replace(a.get(), cond.get(), b.get()));

}

void replace(array &a, const array &cond, const double &b) {

AF_THROW(af_replace_scalar(a.get(), cond.get(), b));

}

void replace(array &a, const array &cond, const long long b) {

AF_THROW(af_replace_scalar_long(a.get(), cond.get(), b));

}

void replace(array &a, const array &cond, const unsigned long long b) {

AF_THROW(af_replace_scalar_ulong(a.get(), cond.get(), b));

}

array select(const array &cond, const array &a, const long long b) {

af_array res;

AF_THROW(af_select_scalar_r_long(&res, cond.get(), a.get(), b));

return array(res);

}

array select(const array &cond, const array &a, const unsigned long long b) {

af_array res;

AF_THROW(af_select_scalar_r_ulong(&res, cond.get(), a.get(), b));

return array(res);

}

array select(const array &cond, const long long a, const array &b) {

af_array res;

AF_THROW(af_select_scalar_l_long(&res, cond.get(), a, b.get()));

return array(res);

}

array select(const array &cond, const unsigned long long a, const array &b) {

af_array res;

AF_THROW(af_select_scalar_l_ulong(&res, cond.get(), a, b.get()));

return array(res);

}

array pad(const array &in, const dim4 &beginPadding, const dim4 &endPadding,

const borderType padFillType) {

af_array out = 0;

// FIXME(pradeep) Cannot use dim4::ndims() since that will

// always return 0 if any one of dimensions

// has no padding completely

AF_THROW(af_pad(&out, in.get(), 4, beginPadding.get(), 4, endPadding.get(),

padFillType));

return array(out);

}

} // namespace af

arrayfire/src/api/cpp/data.cpp at master · arrayfire/arrayfire · GitHub

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