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internal.cpp
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261 lines (236 loc) · 9.31 KB
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/*******************************************************
* Copyright (c) 2016, 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 <Array.hpp>
#include <backend.hpp>
#include <common/err_common.hpp>
#include <common/half.hpp>
#include <handle.hpp>
#include <platform.hpp>
#include <af/device.h>
#include <af/dim4.hpp>
#include <af/internal.h>
#include <af/version.h>
#include <cstring>
using af::dim4;
using arrayfire::common::half;
using detail::cdouble;
using detail::cfloat;
using detail::createStridedArray;
using detail::intl;
using detail::schar;
using detail::uchar;
using detail::uint;
using detail::uintl;
using detail::ushort;
af_err af_create_strided_array(af_array *arr, const void *data,
const dim_t offset, const unsigned ndims,
const dim_t *const dims_,
const dim_t *const strides_, const af_dtype ty,
const af_source location) {
try {
ARG_ASSERT(2, offset >= 0);
ARG_ASSERT(3, ndims >= 1 && ndims <= 4);
ARG_ASSERT(4, dims_ != NULL);
ARG_ASSERT(5, strides_ != NULL);
ARG_ASSERT(5, strides_[0] == 1);
for (int i = 1; i < static_cast<int>(ndims); i++) {
ARG_ASSERT(5, strides_[i] > 0);
}
dim4 dims(ndims, dims_);
dim4 strides(ndims, strides_);
for (int i = static_cast<int>(ndims); i < 4; i++) {
strides[i] = strides[i - 1] * dims[i - 1];
}
bool isdev = location == afDevice;
af_array res;
AF_CHECK(af_init());
void *in_data = const_cast<void *>(
data); // const cast because the api cannot change
switch (ty) {
case f32:
res = getHandle(createStridedArray<float>(
dims, strides, offset, static_cast<float *>(in_data),
isdev));
break;
case f64:
res = getHandle(createStridedArray<double>(
dims, strides, offset, static_cast<double *>(in_data),
isdev));
break;
case c32:
res = getHandle(createStridedArray<cfloat>(
dims, strides, offset, static_cast<cfloat *>(in_data),
isdev));
break;
case c64:
res = getHandle(createStridedArray<cdouble>(
dims, strides, offset, static_cast<cdouble *>(in_data),
isdev));
break;
case u32:
res = getHandle(createStridedArray<uint>(
dims, strides, offset, static_cast<uint *>(in_data),
isdev));
break;
case s32:
res = getHandle(createStridedArray<int>(
dims, strides, offset, static_cast<int *>(in_data), isdev));
break;
case u64:
res = getHandle(createStridedArray<uintl>(
dims, strides, offset, static_cast<uintl *>(in_data),
isdev));
break;
case s64:
res = getHandle(createStridedArray<intl>(
dims, strides, offset, static_cast<intl *>(in_data),
isdev));
break;
case u16:
res = getHandle(createStridedArray<ushort>(
dims, strides, offset, static_cast<ushort *>(in_data),
isdev));
break;
case s16:
res = getHandle(createStridedArray<short>(
dims, strides, offset, static_cast<short *>(in_data),
isdev));
break;
case b8:
res = getHandle(createStridedArray<char>(
dims, strides, offset, static_cast<char *>(in_data),
isdev));
break;
case u8:
res = getHandle(createStridedArray<uchar>(
dims, strides, offset, static_cast<uchar *>(in_data),
isdev));
break;
case s8:
res = getHandle(createStridedArray<schar>(
dims, strides, offset, static_cast<schar *>(in_data),
isdev));
break;
case f16:
res = getHandle(createStridedArray<half>(
dims, strides, offset, static_cast<half *>(in_data),
isdev));
break;
default: TYPE_ERROR(6, ty);
}
std::swap(*arr, res);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_get_strides(dim_t *s0, dim_t *s1, dim_t *s2, dim_t *s3,
const af_array in) {
try {
const ArrayInfo &info = getInfo(in);
*s0 = info.strides()[0];
*s1 = info.strides()[1];
*s2 = info.strides()[2];
*s3 = info.strides()[3];
}
CATCHALL
return AF_SUCCESS;
}
af_err af_get_offset(dim_t *offset, const af_array arr) {
try {
dim_t res = getInfo(arr).getOffset();
std::swap(*offset, res);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_get_raw_ptr(void **ptr, const af_array arr) {
try {
void *res = NULL;
af_dtype ty = getInfo(arr).getType();
switch (ty) {
case f32: res = getRawPtr(getArray<float>(arr)); break;
case f64: res = getRawPtr(getArray<double>(arr)); break;
case c32: res = getRawPtr(getArray<cfloat>(arr)); break;
case c64: res = getRawPtr(getArray<cdouble>(arr)); break;
case u32: res = getRawPtr(getArray<uint>(arr)); break;
case s32: res = getRawPtr(getArray<int>(arr)); break;
case u64: res = getRawPtr(getArray<uintl>(arr)); break;
case s64: res = getRawPtr(getArray<intl>(arr)); break;
case u16: res = getRawPtr(getArray<ushort>(arr)); break;
case s16: res = getRawPtr(getArray<short>(arr)); break;
case b8: res = getRawPtr(getArray<char>(arr)); break;
case u8: res = getRawPtr(getArray<uchar>(arr)); break;
case s8: res = getRawPtr(getArray<schar>(arr)); break;
case f16: res = getRawPtr(getArray<half>(arr)); break;
default: TYPE_ERROR(6, ty);
}
std::swap(*ptr, res);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_is_linear(bool *result, const af_array arr) {
try {
*result = getInfo(arr).isLinear();
}
CATCHALL
return AF_SUCCESS;
}
af_err af_is_owner(bool *result, const af_array arr) {
try {
bool res = false;
af_dtype ty = getInfo(arr).getType();
switch (ty) {
case f32: res = getArray<float>(arr).isOwner(); break;
case f64: res = getArray<double>(arr).isOwner(); break;
case c32: res = getArray<cfloat>(arr).isOwner(); break;
case c64: res = getArray<cdouble>(arr).isOwner(); break;
case u32: res = getArray<uint>(arr).isOwner(); break;
case s32: res = getArray<int>(arr).isOwner(); break;
case u64: res = getArray<uintl>(arr).isOwner(); break;
case s64: res = getArray<intl>(arr).isOwner(); break;
case u16: res = getArray<ushort>(arr).isOwner(); break;
case s16: res = getArray<short>(arr).isOwner(); break;
case b8: res = getArray<char>(arr).isOwner(); break;
case u8: res = getArray<uchar>(arr).isOwner(); break;
case s8: res = getArray<schar>(arr).isOwner(); break;
case f16: res = getArray<half>(arr).isOwner(); break;
default: TYPE_ERROR(6, ty);
}
std::swap(*result, res);
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_get_allocated_bytes(size_t *bytes, const af_array arr) {
try {
af_dtype ty = getInfo(arr).getType();
size_t res = 0;
switch (ty) {
case f32: res = getArray<float>(arr).getAllocatedBytes(); break;
case f64: res = getArray<double>(arr).getAllocatedBytes(); break;
case c32: res = getArray<cfloat>(arr).getAllocatedBytes(); break;
case c64: res = getArray<cdouble>(arr).getAllocatedBytes(); break;
case u32: res = getArray<uint>(arr).getAllocatedBytes(); break;
case s32: res = getArray<int>(arr).getAllocatedBytes(); break;
case u64: res = getArray<uintl>(arr).getAllocatedBytes(); break;
case s64: res = getArray<intl>(arr).getAllocatedBytes(); break;
case u16: res = getArray<ushort>(arr).getAllocatedBytes(); break;
case s16: res = getArray<short>(arr).getAllocatedBytes(); break;
case b8: res = getArray<char>(arr).getAllocatedBytes(); break;
case u8: res = getArray<uchar>(arr).getAllocatedBytes(); break;
case s8: res = getArray<schar>(arr).getAllocatedBytes(); break;
case f16: res = getArray<half>(arr).getAllocatedBytes(); break;
default: TYPE_ERROR(6, ty);
}
std::swap(*bytes, res);
}
CATCHALL;
return AF_SUCCESS;
}