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blis/gtestsuite/testinghelpers/src/common/data_generators.cpp
Eleni Vlachopoulou 58f85bb8f1 Adding copyright notice in gtestsuite files. 
Change-Id: I5097831eb7a46c56a4a2a32da4d3ee69c8b36cb5
2023-03-29 09:01:48 -04:00

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/*
BLIS
An object-based framework for developing high-performance BLAS-like
libraries.
Copyright (C) 2023, Advanced Micro Devices, Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name(s) of the copyright holder(s) nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <random>
#include "common/testing_helpers.h"
namespace testinghelpers {
namespace datagenerators {
/***************************************************
* Floating Point Generators
****************************************************/
/**
* @brief Returns a random fp type (float, double, scomplex, dcomplex)
* that lies in the range [from, to].
*
* @param[in, out] alpha the random fp
*/
template<typename T>
void getfp(int from, int to, T* alpha)
{
using real_T = typename testinghelpers::type_info<T>::real_type;
std::mt19937 generator(94);
std::uniform_real_distribution<real_T> distr(from, to);
if constexpr (testinghelpers::type_info<T>::is_real)
*alpha = distr(generator);
else
*alpha = {distr(generator), distr(generator)};
}
/**
* @brief Returns a random fp vector (float, double, scomplex, dcomplex)
* with elements that follow a uniform distribution in the range [from, to].
* @param[in] n length of vector x
* @param[in] incx increments of vector x
* @param[in, out] x the random fp vector
*/
template<typename T>
void getfp(int from, int to, gtint_t n, gtint_t incx, T* x)
{
using real_T = typename testinghelpers::type_info<T>::real_type;
T* chi;
std::mt19937 generator(94);
std::uniform_real_distribution<real_T> distr(from, to);
for ( gtint_t i = 0; i < n; ++i )
{
chi = x + i*std::abs(incx);
if constexpr (testinghelpers::type_info<T>::is_real)
*chi = distr(generator);
else
*chi = {distr(generator), distr(generator)};
}
}
template<typename T>
void getfp(int from, int to, char storage, gtint_t m, gtint_t n, T* a, gtint_t lda )
{
T* a_begin;
gtint_t inca;
gtint_t n_iter;
gtint_t n_elem;
gtint_t j;
// Initialize with optimal values for column-major storage.
inca = 1;
n_iter = n;
n_elem = m;
// An optimization: if A is row-major, then let's access the matrix by
// rows instead of by columns for increased spatial locality.
if( (storage == 'r') || (storage == 'R') )
{
swap_dims( &n_iter, &n_elem );
swap_dims( &lda, &inca );
}
for ( j = 0; j < n_iter; j++ )
{
a_begin = a + j*lda;
getfp<T>( from, to, n_elem, inca, a_begin );
}
}
template<typename T>
void getfp(int from, int to, char storage, gtint_t m, gtint_t n, T* a, char transa, gtint_t lda )
{
using real_T = typename testinghelpers::type_info<T>::real_type;
std::mt19937 generator(1994);
std::uniform_real_distribution<real_T> distr(from, to);
if( chktrans( transa )) {
swap_dims( &m, &n );
}
if((storage == 'c') || (storage == 'C'))
{
for(gtint_t i=0; i<m; i++)
{
for(gtint_t j=0; j<n; j++)
{
if constexpr (testinghelpers::type_info<T>::is_real)
a[i+j*lda] = real_T(distr(generator));
else
a[i+j*lda] = {real_T(distr(generator)), real_T(distr(generator))};
}
}
}
else if( (storage == 'r') || (storage == 'R') )
{
for(gtint_t j=0; j<n; j++)
{
for(gtint_t i=0; i<m; i++)
{
if constexpr (testinghelpers::type_info<T>::is_real)
a[j+i*lda] = real_T(distr(generator));
else
a[j+i*lda] = {real_T(distr(generator)), real_T(distr(generator))};
}
}
}
}
/***************************************************
* Integer Generators
****************************************************/
/**
* @brief Returns a random integer converted to an fp type (float, double, scomplex, dcomplex)
* that lies in the range [from, to].
*
* @param[in, out] alpha the random fp
*/
template<typename T>
void getint(int from, int to, T* alpha)
{
using real_T = typename testinghelpers::type_info<T>::real_type;
std::mt19937 generator(94);
std::uniform_int_distribution<int> distr(from, to);
if constexpr (testinghelpers::type_info<T>::is_real)
*alpha = real_T(distr(generator));
else
*alpha = {real_T(distr(generator)), real_T(distr(generator))};
}
/**
* @brief Returns a random fp vector (float, double, scomplex, dcomplex)
* with elements that are integers and follow a uniform distribution in the range [from, to].
* @param[in] n length of vector x
* @param[in] incx increments of vector x
* @param[in, out] x the random fp vector
*/
template<typename T>
void getint(int from, int to, gtint_t n, gtint_t incx, T* x)
{
using real_T = typename testinghelpers::type_info<T>::real_type;
T* chi;
std::mt19937 generator(94);
std::uniform_int_distribution<int> distr(from, to);
for ( gtint_t i = 0; i < n; ++i )
{
chi = x + i*std::abs(incx);
if constexpr (testinghelpers::type_info<T>::is_real)
*chi = real_T(distr(generator));
else
*chi = {real_T(distr(generator)), real_T(distr(generator))};
}
}
template<typename T>
void getint(int from, int to, char storage, gtint_t m, gtint_t n, T* a, gtint_t lda )
{
T* a_begin;
gtint_t inca;
gtint_t n_iter;
gtint_t n_elem;
gtint_t j;
// Initialize with optimal values for column-major storage.
inca = 1;
n_iter = n;
n_elem = m;
// An optimization: if A is row-major, then let's access the matrix by
// rows instead of by columns for increased spatial locality.
if( (storage == 'r') || (storage == 'R') )
{
swap_dims( &n_iter, &n_elem );
swap_dims( &lda, &inca );
}
for ( j = 0; j < n_iter; j++ )
{
a_begin = a + j*lda;
getint<T>( from, to, n_elem, inca, a_begin );
}
}
/// @brief
/// @tparam T
/// @param from
/// @param to
/// @param storage
/// @param m
/// @param n
/// @param a
/// @param transa
/// @param lda
template<typename T>
void getint(int from, int to, char storage, gtint_t m, gtint_t n, T* a, char transa, gtint_t lda )
{
using real_T = typename testinghelpers::type_info<T>::real_type;
std::mt19937 generator(1994);
std::uniform_int_distribution<int> distr(from, to);
if( chktrans( transa )) {
swap_dims( &m, &n );
}
if((storage == 'c') || (storage == 'C'))
{
for(gtint_t i=0; i<m; i++)
{
for(gtint_t j=0; j<n; j++)
{
if constexpr (testinghelpers::type_info<T>::is_real)
a[i+j*lda] = real_T(distr(generator));
else
a[i+j*lda] = {real_T(distr(generator)), real_T(distr(generator))};
}
}
}
else if( (storage == 'r') || (storage == 'R') )
{
for(gtint_t j=0; j<n; j++)
{
for(gtint_t i=0; i<m; i++)
{
if constexpr (testinghelpers::type_info<T>::is_real)
a[j+i*lda] = real_T(distr(generator));
else
a[j+i*lda] = {real_T(distr(generator)), real_T(distr(generator))};
}
}
}
}
template<typename T>
void randomgenerators( int from, int to, T* alpha, char datatype ) {
if( (datatype == 'i') ||(datatype == 'I') )
getint<T>( from, to, alpha );
else /*if( (datatype == 'f') ||(datatype == 'F') ) */
getfp<T>( from, to, alpha );
}
template<typename T>
void randomgenerators(int from, int to, gtint_t n, gtint_t incx, T* x, char datatype ) {
if( (datatype == 'i') ||(datatype == 'I') )
getint<T>( from, to, n, incx, x );
else /*if( (datatype == 'f') ||(datatype == 'F') ) */
getfp<T>( from, to, n, incx, x );
}
template<typename T>
void randomgenerators( int from, int to, char storage, gtint_t m, gtint_t n,
T* a, gtint_t lda, char datatype ) {
if( (datatype == 'i') ||(datatype == 'I') )
getint<T>( from, to, storage, m, n, a, lda );
else /*if( (datatype == 'f') ||(datatype == 'F') ) */
getfp<T>( from, to, storage, m, n, a, lda );
}
template<typename T>
void randomgenerators( int from, int to, char storage, gtint_t m, gtint_t n,
T* a, char transa, gtint_t lda, char datatype ) {
if( (datatype == 'i') ||(datatype == 'I') )
getint<T>( from, to, storage, m, n, a, transa, lda );
else /*if( (datatype == 'f') ||(datatype == 'F') ) */
getfp<T>( from, to, storage, m, n, a, transa, lda );
}
template<typename T>
void randomgenerators(int from, int to, char storage, char uplo, gtint_t k,
T* a, gtint_t lda, char datatype) {
randomgenerators<T>(from, to, storage, k, k, a, lda, datatype);
if( (storage=='c')||(storage=='C') )
{
for(gtint_t j=0; j<k; j++)
{
for(gtint_t i=0; i<k; i++)
{
if( (uplo=='u')||(uplo=='U') )
{
if(i>j) a[i+j*lda] = T{0};
}
else if ( (uplo=='l')||(uplo=='L') )
{
if (i<j) a[i+j*lda] = T{0};
}
else
throw std::runtime_error("Error in common/data_generators.cpp: side must be 'u' or 'l'.");
}
}
}
else
{
for(gtint_t i=0; i<k; i++)
{
for(gtint_t j=0; j<k; j++)
{
if( (uplo=='u')||(uplo=='U') )
{
if(i>j) a[j+i*lda] = T{0};
}
else if ( (uplo=='l')||(uplo=='L') )
{
if (i<j) a[j+i*lda] = T{0};
}
else
throw std::runtime_error("Error in common/data_generators.cpp: side must be 'u' or 'l'.");
}
}
}
}
} //end of namespace datagenerators
template<typename T>
std::vector<T> get_random_matrix(int from, int to, char storage, char trans, gtint_t m, gtint_t n,
gtint_t lda, char datatype)
{
std::vector<T> a(matsize(storage, trans, m, n, lda));
datagenerators::randomgenerators<T>( from, to, storage, m, n, a.data(), trans, lda, datatype );
return a;
}
template<typename T>
std::vector<T> get_random_matrix(int from, int to, char storage, char uplo, gtint_t k, gtint_t lda, char datatype)
{
// Create matrix for the given sizes.
std::vector<T> a( testinghelpers::matsize( storage, 'n', k, k, lda ) );
testinghelpers::datagenerators::randomgenerators( from, to, storage, uplo, k, a.data(), lda, datatype );
return a;
}
template<typename T>
std::vector<T> get_random_vector(int from, int to, gtint_t n, gtint_t incx, char datatype)
{
// Create vector for the given sizes.
std::vector<T> x( testinghelpers::buff_dim(n, incx) );
testinghelpers::datagenerators::randomgenerators( from, to, n, incx, x.data(), datatype );
return x;
}
} //end of namespace testinghelpers
// Explicit template instantiations
template void testinghelpers::datagenerators::randomgenerators<float>(int, int, float*, char);
template void testinghelpers::datagenerators::randomgenerators<double>(int, int, double*, char);
template void testinghelpers::datagenerators::randomgenerators<scomplex>(int, int, scomplex*, char);
template void testinghelpers::datagenerators::randomgenerators<dcomplex>(int, int, dcomplex*, char);
template void testinghelpers::datagenerators::randomgenerators<float>(int, int, gtint_t, gtint_t, float*, char);
template void testinghelpers::datagenerators::randomgenerators<double>(int, int, gtint_t, gtint_t, double*, char);
template void testinghelpers::datagenerators::randomgenerators<scomplex>(int, int, gtint_t, gtint_t, scomplex*, char);
template void testinghelpers::datagenerators::randomgenerators<dcomplex>(int, int, gtint_t, gtint_t, dcomplex*, char);
template void testinghelpers::datagenerators::randomgenerators<float>(int, int, char, gtint_t, gtint_t, float*, gtint_t, char);
template void testinghelpers::datagenerators::randomgenerators<double>(int, int, char, gtint_t, gtint_t, double*, gtint_t, char);
template void testinghelpers::datagenerators::randomgenerators<scomplex>(int, int, char, gtint_t, gtint_t, scomplex*, gtint_t, char);
template void testinghelpers::datagenerators::randomgenerators<dcomplex>(int, int, char, gtint_t, gtint_t, dcomplex*, gtint_t, char);
template void testinghelpers::datagenerators::randomgenerators<float>(int, int, char, gtint_t, gtint_t, float*, char, gtint_t, char);
template void testinghelpers::datagenerators::randomgenerators<double>(int, int, char, gtint_t, gtint_t, double*, char, gtint_t, char);
template void testinghelpers::datagenerators::randomgenerators<scomplex>(int, int, char, gtint_t, gtint_t, scomplex*, char, gtint_t, char);
template void testinghelpers::datagenerators::randomgenerators<dcomplex>(int, int, char, gtint_t, gtint_t, dcomplex*, char, gtint_t, char);
template void testinghelpers::datagenerators::randomgenerators<float>(int, int, char, char, gtint_t, float*, gtint_t, char);
template void testinghelpers::datagenerators::randomgenerators<double>(int, int, char, char, gtint_t, double*, gtint_t, char);
template void testinghelpers::datagenerators::randomgenerators<scomplex>(int, int, char, char, gtint_t, scomplex*, gtint_t, char);
template void testinghelpers::datagenerators::randomgenerators<dcomplex>(int, int, char, char, gtint_t, dcomplex*, gtint_t, char);
template std::vector<float> testinghelpers::get_random_matrix(int, int, char, char, gtint_t, gtint_t, gtint_t, char);
template std::vector<double> testinghelpers::get_random_matrix(int, int, char, char, gtint_t, gtint_t, gtint_t, char);
template std::vector<scomplex> testinghelpers::get_random_matrix(int, int, char, char, gtint_t, gtint_t, gtint_t, char);
template std::vector<dcomplex> testinghelpers::get_random_matrix(int, int, char, char, gtint_t, gtint_t, gtint_t, char);
template std::vector<float> testinghelpers::get_random_matrix(int, int, char, char, gtint_t, gtint_t, char);
template std::vector<double> testinghelpers::get_random_matrix(int, int, char, char, gtint_t, gtint_t, char);
template std::vector<scomplex> testinghelpers::get_random_matrix(int, int, char, char, gtint_t, gtint_t, char);
template std::vector<dcomplex> testinghelpers::get_random_matrix(int, int, char, char, gtint_t, gtint_t, char);
template std::vector<float> testinghelpers::get_random_vector(int, int, gtint_t, gtint_t, char);
template std::vector<double> testinghelpers::get_random_vector(int, int, gtint_t, gtint_t, char);
template std::vector<scomplex> testinghelpers::get_random_vector(int, int, gtint_t, gtint_t, char);
template std::vector<dcomplex> testinghelpers::get_random_vector(int, int, gtint_t, gtint_t, char);
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