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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 <gtest/gtest.h>
#include <arrayfire.h>
#include <af/dim4.hpp>
#include <af/traits.hpp>
#include <vector>
#include <iostream>
#include <string>
#include <testHelpers.hpp>
using std::vector;
using namespace af;
template<typename T>
class Replace : public ::testing::Test
{
};
typedef ::testing::Types<float, double, af::cfloat, af::cdouble, uint, int, intl, uintl, uchar, char, short, ushort> TestTypes;
TYPED_TEST_CASE(Replace, TestTypes);
template<typename T>
void replaceTest(const dim4 &dims)
{
if (noDoubleTests<T>()) return;
af::dtype ty = (af::dtype)af::dtype_traits<T>::af_type;
array a = randu(dims, ty);
array b = randu(dims, ty);
if (a.isinteger()) {
a = (a % (1 << 30)).as(ty);
b = (b % (1 << 30)).as(ty);
}
array c = a.copy();
array cond = randu(dims, ty) > a;
replace(c, cond, b);
int num = (int)a.elements();
std::vector<T> ha(num);
std::vector<T> hb(num);
std::vector<T> hc(num);
std::vector<char> hcond(num);
a.host(&ha[0]);
b.host(&hb[0]);
c.host(&hc[0]);
cond.host(&hcond[0]);
for (int i = 0; i < num; i++) {
ASSERT_EQ(hc[i], hcond[i] ? ha[i] : hb[i]);
}
}
template<typename T>
void replaceScalarTest(const dim4 &dims)
{
if (noDoubleTests<T>()) return;
af::dtype ty = (af::dtype)af::dtype_traits<T>::af_type;
array a = randu(dims, ty);
if (a.isinteger()) {
a = (a % (1 << 30)).as(ty);
}
array c = a.copy();
array cond = randu(dims, ty) > a;
double b = 3;
replace(c, cond, b);
int num = (int)a.elements();
std::vector<T> ha(num);
std::vector<T> hc(num);
std::vector<char> hcond(num);
a.host(&ha[0]);
c.host(&hc[0]);
cond.host(&hcond[0]);
for (int i = 0; i < num; i++) {
ASSERT_EQ(hc[i], hcond[i] ? T(b) : ha[i]);
}
}
TYPED_TEST(Replace, Simple)
{
replaceTest<TypeParam>(dim4(1024, 1024));
}
TYPED_TEST(Replace, Scalar)
{
replaceScalarTest<TypeParam>(dim4(5, 5));
}
TEST(Replace, NaN)
{
dim4 dims(1000, 1250);
af::dtype ty = f32;
array a = randu(dims, ty);
a(seq(a.dims(0) / 2), span, span, span) = af::NaN;
array c = a.copy();
float b = 0;
replace(c, isNaN(c), b);
int num = (int)a.elements();
std::vector<float> ha(num);
std::vector<float> hc(num);
a.host(&ha[0]);
c.host(&hc[0]);
for (int i = 0; i < num; i++) {
ASSERT_EQ(hc[i], std::isnan(ha[i]) ? b : ha[i]);
}
}
TEST(Replace, ISSUE_1249)
{
dim4 dims(2, 3, 4);
array cond = af::randu(dims) > 0.5;
array a = af::randu(dims);
array b = a.copy();
replace(b, !cond, a - a * 0.9);
array c = a - a * cond * 0.9;
int num = (int)dims.elements();
std::vector<float> hb(num);
std::vector<float> hc(num);
b.host(&hb[0]);
c.host(&hc[0]);
for (int i = 0; i < num; i++) {
ASSERT_EQ(hc[i], hb[i]) << "at " << i;
}
}
TEST(Replace, 4D)
{
dim4 dims(2, 3, 4, 2);
array cond = af::randu(dims) > 0.5;
array a = af::randu(dims);
array b = a.copy();
replace(b, !cond, a - a * 0.9);
array c = a - a * cond * 0.9;
int num = (int)dims.elements();
std::vector<float> hb(num);
std::vector<float> hc(num);
b.host(&hb[0]);
c.host(&hc[0]);
for (int i = 0; i < num; i++) {
ASSERT_EQ(hc[i], hb[i]) << "at " << i;
}
}
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