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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 <gtest/gtest.h>
#include <af/array.h>
#include <af/arith.h>
#include <af/data.h>
#include <testHelpers.hpp>
using namespace af;
using std::vector;
template<typename T>
class Constant : public ::testing::Test { };
typedef ::testing::Types<float, af::cfloat, double, af::cdouble, int, unsigned, char, uchar, uintl, intl, short, ushort> TestTypes;
TYPED_TEST_CASE(Constant, TestTypes);
template<typename T>
void ConstantCPPCheck(T value) {
if (noDoubleTests<T>()) return;
const int num = 1000;
T val = value;
dtype dty = (dtype) dtype_traits<T>::af_type;
af::array in = constant(val, num, dty);
vector<T> h_in(num);
in.host(&h_in.front());
for (int i = 0; i < num; i++) {
ASSERT_EQ(h_in[i], val);
}
}
template<typename T>
void ConstantCCheck(T value) {
if (noDoubleTests<T>()) return;
const int num = 1000;
typedef typename af::dtype_traits<T>::base_type BT;
BT val = ::real(value);
dtype dty = (dtype) dtype_traits<T>::af_type;
af_array out;
dim_t dim[] = {(dim_t)num};
ASSERT_EQ(AF_SUCCESS, af_constant(&out, val, 1, dim, dty));
vector<T> h_in(num);
af_get_data_ptr(&h_in.front(), out);
for (int i = 0; i < num; i++) {
ASSERT_EQ(::real(h_in[i]), val);
}
}
template<typename T>
void IdentityCPPCheck() {
if (noDoubleTests<T>()) return;
int num = 1000;
dtype dty = (dtype) dtype_traits<T>::af_type;
array out = af::identity(num, num, dty);
vector<T> h_in(num*num);
out.host(&h_in.front());
for (int i = 0; i < num; i++) {
for (int j = 0; j < num; j++) {
if(j == i)
ASSERT_EQ(h_in[i * num + j], T(1));
else
ASSERT_EQ(h_in[i * num + j], T(0));
}
}
num = 100;
out = af::identity(num, num, num, dty);
h_in.resize(num*num*num);
out.host(&h_in.front());
for (int h = 0; h < num; h++) {
for (int i = 0; i < num; i++) {
for (int j = 0; j < num; j++) {
if(j == i)
ASSERT_EQ(h_in[i * num + j], T(1));
else
ASSERT_EQ(h_in[i * num + j], T(0));
}
}
}
}
template<typename T>
void IdentityCCheck() {
if (noDoubleTests<T>()) return;
static const int num = 1000;
dtype dty = (dtype) dtype_traits<T>::af_type;
af_array out;
dim_t dim[] = {(dim_t)num, (dim_t)num};
ASSERT_EQ(AF_SUCCESS, af_identity(&out, 2, dim, dty));
vector<T> h_in(num*num);
af_get_data_ptr(&h_in.front(), out);
for (int i = 0; i < num; i++) {
for (int j = 0; j < num; j++) {
if(j == i)
ASSERT_EQ(h_in[i * num + j], T(1));
else
ASSERT_EQ(h_in[i * num + j], T(0));
}
}
}
template<typename T>
void IdentityCPPError() {
if (noDoubleTests<T>()) return;
static const int num = 1000;
dtype dty = (dtype) dtype_traits<T>::af_type;
try {
array out = af::identity(num, 0, 10, dty);
}
catch(const af::exception &ex) {
SUCCEED();
return;
}
FAIL() << "Failed to throw an exception";
}
TYPED_TEST(Constant, basicCPP)
{
ConstantCPPCheck<TypeParam>(5);
}
TYPED_TEST(Constant, basicC)
{
ConstantCCheck<TypeParam>(5);
}
TYPED_TEST(Constant, IdentityC)
{
IdentityCCheck<TypeParam>();
}
TYPED_TEST(Constant, IdentityCPP)
{
IdentityCPPCheck<TypeParam>();
}
TYPED_TEST(Constant, IdentityCPPError)
{
IdentityCPPError<TypeParam>();
}
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