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moddims.cpp
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118 lines (106 loc) · 3.95 KB
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/*******************************************************
* Copyright (c) 2018, 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 <backend.hpp>
#include <common/err_common.hpp>
#include <common/half.hpp>
#include <common/moddims.hpp>
#include <copy.hpp>
#include <handle.hpp>
#include <af/data.h>
#include <af/defines.h>
#include <af/dim4.hpp>
using af::dim4;
using arrayfire::common::half;
using detail::cdouble;
using detail::cfloat;
using detail::intl;
using detail::schar;
using detail::uchar;
using detail::uint;
using detail::uintl;
using detail::ushort;
namespace {
template<typename T>
af_array modDims(const af_array in, const dim4& newDims) {
return getHandle(arrayfire::common::modDims(getArray<T>(in), newDims));
}
template<typename T>
af_array flat(const af_array in) {
return getHandle(arrayfire::common::flat(getArray<T>(in)));
}
} // namespace
af_err af_moddims(af_array* out, const af_array in, const unsigned ndims,
const dim_t* const dims) {
try {
if (ndims == 0) {
*out = retain(in);
return AF_SUCCESS;
}
ARG_ASSERT(2, ndims >= 1);
ARG_ASSERT(3, dims != NULL);
af_array output = 0;
dim4 newDims(ndims, dims);
const ArrayInfo& info = getInfo(in);
dim_t in_elements = info.elements();
dim_t new_elements = newDims.elements();
DIM_ASSERT(1, in_elements == new_elements);
af_dtype type = info.getType();
switch (type) {
case f32: output = modDims<float>(in, newDims); break;
case c32: output = modDims<cfloat>(in, newDims); break;
case f64: output = modDims<double>(in, newDims); break;
case c64: output = modDims<cdouble>(in, newDims); break;
case b8: output = modDims<char>(in, newDims); break;
case s32: output = modDims<int>(in, newDims); break;
case u32: output = modDims<uint>(in, newDims); break;
case s8: output = modDims<schar>(in, newDims); break;
case u8: output = modDims<uchar>(in, newDims); break;
case s64: output = modDims<intl>(in, newDims); break;
case u64: output = modDims<uintl>(in, newDims); break;
case s16: output = modDims<short>(in, newDims); break;
case u16: output = modDims<ushort>(in, newDims); break;
case f16: output = modDims<half>(in, newDims); break;
default: TYPE_ERROR(1, type);
}
std::swap(*out, output);
}
CATCHALL
return AF_SUCCESS;
}
af_err af_flat(af_array* out, const af_array in) {
try {
const ArrayInfo& info = getInfo(in);
if (info.ndims() == 1) {
*out = retain(in);
} else {
af_array output = 0;
af_dtype type = info.getType();
switch (type) {
case f32: output = flat<float>(in); break;
case c32: output = flat<cfloat>(in); break;
case f64: output = flat<double>(in); break;
case c64: output = flat<cdouble>(in); break;
case b8: output = flat<char>(in); break;
case s32: output = flat<int>(in); break;
case u32: output = flat<uint>(in); break;
case s8: output = flat<schar>(in); break;
case u8: output = flat<uchar>(in); break;
case s64: output = flat<intl>(in); break;
case u64: output = flat<uintl>(in); break;
case s16: output = flat<short>(in); break;
case u16: output = flat<ushort>(in); break;
case f16: output = flat<half>(in); break;
default: TYPE_ERROR(1, type);
}
std::swap(*out, output);
}
}
CATCHALL;
return AF_SUCCESS;
}