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arrayfire/test/diagonal.cpp at feature/optional-graphics · arrayfire/arrayfire · GitHub
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diagonal.cpp
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diagonal.cpp
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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
<
arrayfire.h
>
#
include
<
gtest/gtest.h
>
#
include
<
half.hpp
>
#
include
<
testHelpers.hpp
>
#
include
<
cmath
>
#
include
<
vector
>
using
af::array;
using
af::constant;
using
af::deviceGC;
using
af::diag;
using
af::dim4;
using
af::exception;
using
af::max;
using
af::seq;
using
af::span;
using
af::sum;
using
std::abs;
using
std::vector;
template
<
typename
T>
class
Diagonal
: public ::testing::Test {};
typedef
::testing::Types<
float
,
double
,
int
, uint,
char
,
signed
char
,
unsigned
char
, half_float::half>
TestTypes;
TYPED_TEST_SUITE
(Diagonal, TestTypes);
TYPED_TEST
(Diagonal, Create) {
SUPPORTED_TYPE_CHECK
(TypeParam);
try
{
static
const
int
size =
1000
;
vector<TypeParam>
input
(size * size);
for
(
int
i =
0
; i < size; i++) { input[i] = i; }
for
(
int
jj =
10
; jj < size; jj +=
100
) {
array
data
(jj, &input.
front
(), afHost);
array out =
diag
(data,
0
,
false
);
vector<TypeParam>
h_out
(out.
elements
());
out.
host
(&h_out.
front
());
for
(
int
i =
0
; i < (
int
)out.
dims
(
0
); i++) {
for
(
int
j =
0
; j < (
int
)out.
dims
(
1
); j++) {
if
(i == j)
ASSERT_EQ
(input[i], h_out[i * out.
dims
(
0
) + j]);
else
ASSERT_EQ
(
TypeParam
(
0
), h_out[i * out.
dims
(
0
) + j]);
}
}
}
}
catch
(
const
exception& ex) {
FAIL
() << ex.
what
(); }
}
TYPED_TEST
(Diagonal, DISABLED_CreateLargeDim) {
SUPPORTED_TYPE_CHECK
(TypeParam);
try
{
deviceGC
();
{
static
const
size_t
largeDim =
65535
+
1
;
array diagvals =
constant
(
1
, largeDim);
array out =
diag
(diagvals,
0
,
false
);
ASSERT_EQ
(largeDim, sum<
float
>(out));
}
}
catch
(
const
exception& ex) {
FAIL
() << ex.
what
(); }
}
TYPED_TEST
(Diagonal, Extract) {
SUPPORTED_TYPE_CHECK
(TypeParam);
try
{
static
const
int
size =
1000
;
vector<TypeParam>
input
(size * size);
for
(
int
i =
0
; i < size * size; i++) { input[i] = i; }
for
(
int
jj =
10
; jj < size; jj +=
100
) {
array
data
(jj, jj, &input.
front
(), afHost);
array out =
diag
(data,
0
);
vector<TypeParam>
h_out
(out.
elements
());
out.
host
(&h_out.
front
());
for
(
int
i =
0
; i < (
int
)out.
dims
(
0
); i++) {
ASSERT_EQ
(input[i * data.
dims
(
0
) + i], h_out[i]);
}
}
}
catch
(
const
exception& ex) {
FAIL
() << ex.
what
(); }
}
TYPED_TEST
(Diagonal, ExtractLargeDim) {
SUPPORTED_TYPE_CHECK
(TypeParam);
try
{
static
const
size_t
n =
10
;
static
const
size_t
largeDim =
65535
+
1
;
array largedata =
constant
(
1
, n, n, largeDim);
array out =
diag
(largedata,
0
);
ASSERT_EQ
(n * largeDim, sum<
float
>(out));
largedata =
constant
(
1
, n, n,
1
, largeDim);
array out1 =
diag
(largedata,
0
);
ASSERT_EQ
(n * largeDim, sum<
float
>(out1));
}
catch
(
const
exception& ex) {
FAIL
() << ex.
what
(); }
}
TYPED_TEST
(Diagonal, ExtractRect) {
SUPPORTED_TYPE_CHECK
(TypeParam);
try
{
static
const
int
size0 =
1000
, size1 =
900
;
vector<TypeParam>
input
(size0 * size1);
for
(
int
i =
0
; i < size0 * size1; i++) { input[i] = i; }
for
(
int
jj =
10
; jj < size0; jj +=
100
) {
for
(
int
kk =
10
; kk < size1; kk +=
90
) {
array
data
(jj, kk, &input.
front
(), afHost);
array out =
diag
(data,
0
);
vector<TypeParam>
h_out
(out.
elements
());
out.
host
(&h_out.
front
());
ASSERT_EQ
(out.
dims
(
0
),
std::min
(jj, kk));
for
(
int
i =
0
; i < (
int
)out.
dims
(
0
); i++) {
ASSERT_EQ
(input[i * data.
dims
(
0
) + i], h_out[i]);
}
}
}
}
catch
(
const
exception& ex) {
FAIL
() << ex.
what
(); }
}
TEST
(Diagonal, ExtractGFOR) {
dim4 dims =
dim4
(
100
,
100
,
3
);
array A =
round
(
100
*
randu
(dims));
array B =
constant
(
0
,
100
,
1
,
3
);
gfor
(seq ii,
3
) {
B
(span, span, ii) =
diag
(
A
(span, span, ii)); }
for
(
int
ii =
0
; ii <
3
; ii++) {
array c_ii =
diag
(
A
(span, span, ii));
array b_ii =
B
(span, span, ii);
ASSERT_EQ
(max<
double
>(
abs
(c_ii - b_ii)) <
1E-5
,
true
);
}
}
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