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/* Copyright (C) 2021-2025 Free Software Foundation, Inc.
Contributed by Oracle.
This file is part of GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "mydefs.h"
/*
* -----------------------------------------------------------------------------
* This function allocates the data and sets up the data structures to be used
* in the remainder.
* -----------------------------------------------------------------------------
*/
void allocate_data (int active_threads,
int64_t number_of_rows,
int64_t number_of_columns,
double ***A,
double **b,
double **c,
double **ref,
thread_data **thread_data_arguments,
pthread_t **pthread_ids)
{
if ((*b = (double *) malloc (number_of_columns * sizeof (double))) == NULL)
{
printf ("Error: allocation of vector b failed\n");
perror ("vector b");
exit (-1);
}
else
{
if (verbose) printf ("Vector b allocated\n");
}
if ((*c = (double *) malloc (number_of_rows * sizeof (double))) == NULL)
{
printf ("Error: allocation of vector c failed\n");
perror ("vector c");
exit (-1);
}
else
{
if (verbose) printf ("Vector c allocated\n");
}
if ((*ref = (double *) malloc (number_of_rows * sizeof (double))) == NULL)
{
printf ("Error: allocation of vector ref failed\n");
perror ("vector ref");
exit (-1);
}
else
{
if (verbose) printf ("Vector ref allocated\n");
}
if ((*A = (double **) malloc (number_of_rows * sizeof (double))) == NULL)
{
printf ("Error: allocation of matrix A failed\n");
perror ("matrix A");
exit (-1);
}
else
{
for (int64_t i=0; i<number_of_rows; i++)
{
if (((*A)[i] = (double *) malloc (number_of_columns
* sizeof (double))) == NULL)
{
printf ("Error: allocation of matrix A columns failed\n");
perror ("matrix A[i]");
exit (-1);
}
}
if (verbose) printf ("Matrix A allocated\n");
}
if ((*thread_data_arguments = (thread_data *) malloc ((active_threads)
* sizeof (thread_data))) == NULL)
{
perror ("malloc thread_data_arguments");
exit (-1);
}
else
{
if (verbose) printf ("Structure thread_data_arguments allocated\n");
}
if ((*pthread_ids = (pthread_t *) malloc ((active_threads)
* sizeof (pthread_t))) == NULL)
{
perror ("malloc pthread_ids");
exit (-1);
}
else
{
if (verbose) printf ("Structure pthread_ids allocated\n");
}
}
/*
* -----------------------------------------------------------------------------
* This function initializes the data.
* -----------------------------------------------------------------------------
*/
void init_data (int64_t m,
int64_t n,
double **restrict A,
double *restrict b,
double *restrict c,
double *restrict ref)
{
(void) srand48 (2020L);
for (int64_t j=0; j<n; j++)
b[j] = 1.0;
for (int64_t i=0; i<m; i++)
{
ref[i] = n*i;
c[i] = -2022;
for (int64_t j=0; j<n; j++)
A[i][j] = drand48 ();
}
for (int64_t i=0; i<m; i++)
{
double row_sum = 0.0;
for (int64_t j=0; j<n; j++)
row_sum += A[i][j];
ref[i] = row_sum;
}
}
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