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print.cpp
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189 lines (169 loc) · 6.18 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 <iostream>
#include <iomanip>
#include <vector>
#include <string>
#include <sstream>
#include <af/array.h>
#include <af/data.h>
#include <copy.hpp>
#include <print.hpp>
#include <ArrayInfo.hpp>
#include <err_common.hpp>
#include <backend.hpp>
#include <type_util.hpp>
#include <af/index.h>
using namespace detail;
using std::ostream;
using std::cout;
using std::endl;
using std::vector;
template<typename T>
static void printer(ostream &out, const T* ptr, const ArrayInfo &info, unsigned dim, const int precision)
{
dim_t stride = info.strides()[dim];
dim_t d = info.dims()[dim];
ToNum<T> toNum;
if(dim == 0) {
for(dim_t i = 0, j = 0; i < d; i++, j+=stride) {
out<< std::fixed <<
std::setw(precision + 6) <<
std::setprecision(precision) << toNum(ptr[j]) << " ";
}
out << endl;
}
else {
for(dim_t i = 0; i < d; i++) {
printer(out, ptr, info, dim - 1, precision);
ptr += stride;
}
out << endl;
}
}
template<typename T>
static void print(const char *exp, af_array arr, const int precision, std::ostream &os = std::cout, bool transpose = true)
{
if(exp == NULL) {
os << "No Name Array" << std::endl;
} else {
os << exp << std::endl;
}
const ArrayInfo info = getInfo(arr);
std::ios_base::fmtflags backup = os.flags();
os << "[" << info.dims() << "]\n";
#ifndef NDEBUG
os <<" Offsets: [" << info.offsets() << "]" << std::endl;
os <<" Strides: [" << info.strides() << "]" << std::endl;
#endif
// Handle empty array
if(info.elements() == 0) {
os << "<empty>" << std::endl;
os.flags(backup);
return;
}
vector<T> data(info.elements());
af_array arrT;
if(transpose) {
AF_CHECK(af_reorder(&arrT, arr, 1, 0, 2, 3));
} else {
arrT = arr;
}
//FIXME: Use alternative function to avoid copies if possible
AF_CHECK(af_get_data_ptr(&data.front(), arrT));
const ArrayInfo infoT = getInfo(arrT);
if(transpose) {
AF_CHECK(af_release_array(arrT));
}
printer(os, &data.front(), infoT, infoT.ndims() - 1, precision);
os.flags(backup);
}
af_err af_print_array(af_array arr)
{
try {
ArrayInfo info = getInfo(arr);
af_dtype type = info.getType();
switch(type)
{
case f32: print<float> (NULL, arr, 4); break;
case c32: print<cfloat> (NULL, arr, 4); break;
case f64: print<double> (NULL, arr, 4); break;
case c64: print<cdouble> (NULL, arr, 4); break;
case b8: print<char> (NULL, arr, 4); break;
case s32: print<int> (NULL, arr, 4); break;
case u32: print<unsigned>(NULL, arr, 4); break;
case u8: print<uchar> (NULL, arr, 4); break;
case s64: print<intl> (NULL, arr, 4); break;
case u64: print<uintl> (NULL, arr, 4); break;
case s16: print<short> (NULL, arr, 4); break;
case u16: print<ushort> (NULL, arr, 4); break;
default: TYPE_ERROR(1, type);
}
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_print_array_gen(const char *exp, const af_array arr, const int precision)
{
try {
ARG_ASSERT(0, exp != NULL);
ArrayInfo info = getInfo(arr);
af_dtype type = info.getType();
switch(type)
{
case f32: print<float >(exp, arr, precision); break;
case c32: print<cfloat >(exp, arr, precision); break;
case f64: print<double >(exp, arr, precision); break;
case c64: print<cdouble >(exp, arr, precision); break;
case b8: print<char >(exp, arr, precision); break;
case s32: print<int >(exp, arr, precision); break;
case u32: print<unsigned>(exp, arr, precision); break;
case u8: print<uchar >(exp, arr, precision); break;
case s64: print<intl >(exp, arr, precision); break;
case u64: print<uintl >(exp, arr, precision); break;
case s16: print<short >(exp, arr, precision); break;
case u16: print<ushort >(exp, arr, precision); break;
default: TYPE_ERROR(1, type);
}
}
CATCHALL;
return AF_SUCCESS;
}
af_err af_array_to_string(char **output, const char *exp, const af_array arr,
const int precision, bool transpose)
{
try {
ARG_ASSERT(0, exp != NULL);
ArrayInfo info = getInfo(arr);
af_dtype type = info.getType();
std::stringstream ss;
switch(type)
{
case f32: print<float >(exp, arr, precision, ss, transpose); break;
case c32: print<cfloat >(exp, arr, precision, ss, transpose); break;
case f64: print<double >(exp, arr, precision, ss, transpose); break;
case c64: print<cdouble >(exp, arr, precision, ss, transpose); break;
case b8: print<char >(exp, arr, precision, ss, transpose); break;
case s32: print<int >(exp, arr, precision, ss, transpose); break;
case u32: print<unsigned>(exp, arr, precision, ss, transpose); break;
case u8: print<uchar >(exp, arr, precision, ss, transpose); break;
case s64: print<intl >(exp, arr, precision, ss, transpose); break;
case u64: print<uintl >(exp, arr, precision, ss, transpose); break;
case s16: print<short >(exp, arr, precision, ss, transpose); break;
case u16: print<ushort >(exp, arr, precision, ss, transpose); break;
default: TYPE_ERROR(1, type);
}
std::string str = ss.str();
*output = new char[str.size() + 1];
std::copy(str.begin(), str.end(), *output);
(*output)[str.size()] = '\0'; // don't forget the terminating 0
}
CATCHALL;
return AF_SUCCESS;
}