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select.cpp
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162 lines (137 loc) · 6.07 KB
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/*******************************************************
* Copyright (c) 2015, 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/defines.h>
#include <af/arith.h>
#include <af/data.h>
#include <ArrayInfo.hpp>
#include <optypes.hpp>
#include <implicit.hpp>
#include <err_common.hpp>
#include <handle.hpp>
#include <backend.hpp>
#include <select.hpp>
using namespace detail;
using af::dim4;
template<typename T>
af_array select(const af_array cond, const af_array a, const af_array b, const dim4 &odims)
{
Array<T> out = createEmptyArray<T>(odims);
select(out, getArray<char>(cond), getArray<T>(a), getArray<T>(b));
return getHandle<T>(out);
}
af_err af_select(af_array *out, const af_array cond, const af_array a, const af_array b)
{
try {
ArrayInfo ainfo = getInfo(a);
ArrayInfo binfo = getInfo(b);
ArrayInfo cinfo = getInfo(cond);
ARG_ASSERT(2, ainfo.getType() == binfo.getType());
ARG_ASSERT(1, cinfo.getType() == b8);
DIM_ASSERT(1, cinfo.ndims() == std::min(ainfo.ndims(), binfo.ndims()));
dim4 adims = ainfo.dims();
dim4 bdims = binfo.dims();
dim4 cdims = cinfo.dims();
dim4 odims(1, 1, 1, 1);
for (int i = 0; i < 4; i++) {
DIM_ASSERT(1, cdims[i] == std::min(adims[i], bdims[i]));
DIM_ASSERT(2, adims[i] == bdims[i] || adims[i] == 1 || bdims[i] == 1);
odims[i] = std::max(adims[i], bdims[i]);
}
af_array res;
switch (ainfo.getType()) {
case f32: res = select<float >(cond, a, b, odims); break;
case f64: res = select<double >(cond, a, b, odims); break;
case c32: res = select<cfloat >(cond, a, b, odims); break;
case c64: res = select<cdouble>(cond, a, b, odims); break;
case s32: res = select<int >(cond, a, b, odims); break;
case u32: res = select<uint >(cond, a, b, odims); break;
case s64: res = select<intl >(cond, a, b, odims); break;
case u64: res = select<uintl >(cond, a, b, odims); break;
case s16: res = select<short >(cond, a, b, odims); break;
case u16: res = select<ushort >(cond, a, b, odims); break;
case u8: res = select<uchar >(cond, a, b, odims); break;
case b8: res = select<char >(cond, a, b, odims); break;
default: TYPE_ERROR(2, ainfo.getType());
}
std::swap(*out, res);
} CATCHALL;
return AF_SUCCESS;
}
template<typename T, bool flip>
af_array select_scalar(const af_array cond, const af_array a, const double b, const dim4 &odims)
{
Array<T> out = createEmptyArray<T>(odims);
select_scalar<T, flip>(out, getArray<char>(cond), getArray<T>(a), b);
return getHandle<T>(out);
}
af_err af_select_scalar_r(af_array *out, const af_array cond, const af_array a, const double b)
{
try {
ArrayInfo ainfo = getInfo(a);
ArrayInfo cinfo = getInfo(cond);
ARG_ASSERT(1, cinfo.getType() == b8);
DIM_ASSERT(1, cinfo.ndims() == ainfo.ndims());
dim4 adims = ainfo.dims();
dim4 cdims = cinfo.dims();
for (int i = 0; i < 4; i++) {
DIM_ASSERT(1, cdims[i] == adims[i]);
}
af_array res;
switch (ainfo.getType()) {
case f32: res = select_scalar<float , false>(cond, a, b, adims); break;
case f64: res = select_scalar<double , false>(cond, a, b, adims); break;
case c32: res = select_scalar<cfloat , false>(cond, a, b, adims); break;
case c64: res = select_scalar<cdouble, false>(cond, a, b, adims); break;
case s32: res = select_scalar<int , false>(cond, a, b, adims); break;
case u32: res = select_scalar<uint , false>(cond, a, b, adims); break;
case s16: res = select_scalar<short , false>(cond, a, b, adims); break;
case u16: res = select_scalar<ushort , false>(cond, a, b, adims); break;
case s64: res = select_scalar<intl , false>(cond, a, b, adims); break;
case u64: res = select_scalar<uintl , false>(cond, a, b, adims); break;
case u8: res = select_scalar<uchar , false>(cond, a, b, adims); break;
case b8: res = select_scalar<char , false>(cond, a, b, adims); break;
default: TYPE_ERROR(2, ainfo.getType());
}
std::swap(*out, res);
} CATCHALL;
return AF_SUCCESS;
}
af_err af_select_scalar_l(af_array *out, const af_array cond, const double a, const af_array b)
{
try {
ArrayInfo binfo = getInfo(b);
ArrayInfo cinfo = getInfo(cond);
ARG_ASSERT(1, cinfo.getType() == b8);
DIM_ASSERT(1, cinfo.ndims() == binfo.ndims());
dim4 bdims = binfo.dims();
dim4 cdims = cinfo.dims();
for (int i = 0; i < 4; i++) {
DIM_ASSERT(1, cdims[i] == bdims[i]);
}
af_array res;
switch (binfo.getType()) {
case f32: res = select_scalar<float , true >(cond, b, a, bdims); break;
case f64: res = select_scalar<double , true >(cond, b, a, bdims); break;
case c32: res = select_scalar<cfloat , true >(cond, b, a, bdims); break;
case c64: res = select_scalar<cdouble, true >(cond, b, a, bdims); break;
case s32: res = select_scalar<int , true >(cond, b, a, bdims); break;
case u32: res = select_scalar<uint , true >(cond, b, a, bdims); break;
case s16: res = select_scalar<short , true >(cond, b, a, bdims); break;
case u16: res = select_scalar<ushort , true >(cond, b, a, bdims); break;
case s64: res = select_scalar<intl , true >(cond, b, a, bdims); break;
case u64: res = select_scalar<uintl , true >(cond, b, a, bdims); break;
case u8: res = select_scalar<uchar , true >(cond, b, a, bdims); break;
case b8: res = select_scalar<char , true >(cond, b, a, bdims); break;
default: TYPE_ERROR(2, binfo.getType());
}
std::swap(*out, res);
} CATCHALL;
return AF_SUCCESS;
}