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/*
Copyright (C) 2008-2015 Michele Martone
This file is part of librsb.
librsb is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
librsb 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public
License along with librsb; see the file COPYING.
If not, see <http://www.gnu.org/licenses/>.
*/
/* @cond INNERDOC */
/**
* @file
* @author Michele Martone
* @brief
*
* failure testing code.
* \internal
*
* */
#include "rsb_common.h"
RSB_INTERNALS_COMMON_HEAD_DECLS
#define RSB_WANT_FAILURE_TESTER 1
#define RSB_FAILURE_NOTICE(STMT) STMT;RSB_INFO("Injecting failure:\n%s\n",#STMT)
#define RSB_VARIATION_NOTICE(STMT) STMT;RSB_INFO("Injecting variation:\n%s\n",#STMT)
#define RSB_FT_FFL_PRINTF printf("In %s located in %20s:%d :\n",__func__,__FILE__,__LINE__)
#if 0
static rsb_err_t rsb_do_meminfo(void)
{
/*!
\ingroup rsb_doc_library
Write to the info stream (see #RSB_IO_WANT_OUTPUT_STREAM) some memory allocation info.
\warning \rsb_warn_soon_to_be_deprecated_msg
\return \rsberrcodemsg
*/
#ifndef RSB_DISABLE_ALLOCATOR_WRAPPER
RSB_INFO("allocated %zd bytes of memory in %zu chunks\n",rsb__get_g_rsb_memory_count(),rsb__get_g_rsb_allocations_count());
#endif
return RSB_ERR_NO_ERROR;
}
#define RSB_ALLOC_INFO() RSB_FT_FFL_PRINTF ;rsb_do_meminfo()
#else
#define RSB_ALLOC_INFO() RSB_NULL_STATEMENT_FOR_COMPILER_HAPPINESS
#endif
#define RSB_MTX_FREE_PARANOID(MTXAP) if(MTXAP) { RSB_ALLOC_INFO(); RSB_MTX_FREE(MTXAP); }
#define RSB_FREE_PARANOID(PTR) if(PTR) { RSB_ALLOC_INFO(); RSB_CONDITIONAL_FREE(PTR); }
static rsb_bool_t rsb_random_event(rsb_int out_of)
{
rsb_bool_t res = RSB_BOOL_FALSE;
RSB_ALLOC_INFO();
if(!out_of)
goto rf;
if( rsb__rand_coo_index(out_of) + 1 == out_of)
res = RSB_BOOL_TRUE;
rf:
RSB_ALLOC_INFO();
return res;
}
rsb_err_t rsb_blas_failure_tester(const rsb_char_t*tds)
{
/**
* \ingroup gr_internals
* FIXME: still unfinished. this tester shall perform randomized failure-prone operations.
* */
rsb_err_t errval = RSB_ERR_NO_ERROR;
#if RSB_WANT_FAILURE_TESTER
struct rsb_limiter ls;
struct rsb_mtx_t * mtxAp=NULL, * mtxBp=NULL, * mtxCp=NULL;
rsb_coo_idx_t*IA = NULL;
rsb_coo_idx_t*JA = NULL;
rsb_type_t typecodea[] = RSB_MATRIX_TYPE_CODES_ARRAY;
const int typecodei = 0;
const int af = 1;/* allow failures */
rsb_type_t typecode = typecodea[typecodei];
void*VA = NULL;
rsb_coo_idx_t nr = 16, nc = nr , nm = RSB_MAX(nr,nc);
const rsb_coo_idx_t bs = 1, maxdim = 16, mindim = 4;
const rsb_coo_idx_t lbw = mindim, ubw = mindim;
rsb_nnz_idx_t nnz = 0;
//const int fipi=0; /* if -1: probability 0; else, probability 1/fipi */
const rsb_flags_t flags = RSB_FLAG_DEFAULT_MATRIX_FLAGS;
void * xp = NULL, * yp = NULL;
rsb_aligned_t alpha[RSB_CONST_ENOUGH_ALIGNED_FOR_ANY_TYPE], beta[RSB_CONST_ENOUGH_ALIGNED_FOR_ANY_TYPE];
const void *alphap = &alpha,* betap = β
const int /*sp=20,*/hp = 10,lp =100, mp = 1000,ip = 10000;
const int maxasym = 5;
RSB_INFO("BASIC FAILURE BASED TEST: BEGIN\n");
RSB_ALLOC_INFO();
for(errval = rsb__limiter_init_from_str(&ls,tds);rsb__limiter_continue(&ls);rsb__limiter_step(&ls))
{
RSB_ALLOC_INFO();
typecode = typecodea[typecodei];
/* FIXME: please write here */
if(!mtxAp)
{
/* random size */
nr = mindim+rsb__rand_coo_index(maxdim)+lbw+ubw;
if(rsb_random_event(lp*af))
{RSB_VARIATION_NOTICE(nc*=1+rsb__rand_coo_index(maxasym));}
else
nc = nr;/* square matrix */
nm = RSB_MAX(nr,nc);
RSB_INFO("Create a %d x %d matrix...\n",nr,nc);
if(RSB_SOME_ERROR(errval = rsb__generate_blocked_banded_coo(nr,1,lbw,ubw,&IA,&JA,&VA,&nnz,typecode)))
{
RSB_PERR_GOTO(dca,RSB_ERRM_ES);
}
/* try to instantiate one, with a probability of failure injection */
/* if(...) ... */
/* change typecode, possibly to an invalid one */
/* zero a parameter */
/* dealloc an array and nullify its pointer */
/* zeros in numbers */
/* too big indices */
/* negative indices */
/* inject a NaN */
//if(rsb_random_event(lp*af)) {nc=nr = RSB_MAX_MATRIX_DIM+1;}
//if(rsb_random_event(lp*af)) {nnz=0;}
if(rsb_random_event(lp*af)) {RSB_FAILURE_NOTICE(typecode = RSB_NUMERICAL_TYPE_INVALID_TYPE);}
/**/
/**/
if(!IA||!JA||!VA)
{
RSB_PERR_GOTO(dca,RSB_ERRM_ES);
}
RSB_ALLOC_INFO();
mtxAp = rsb__do_mtx_alloc_from_coo_inplace(VA,IA,JA,nnz,typecode,nr,nc,bs,bs,flags,&errval);
RSB_ALLOC_INFO();
if(!mtxAp || RSB_SOME_ERROR(errval))
{
/**/
rsb__do_perror(NULL,errval);
RSB_PERR_GOTO(dca,RSB_ERRM_ES);
}
else
{
xp = rsb__calloc_vector(nm,typecode);
yp = rsb__calloc_vector(nm,typecode);
if(!xp || !yp)
{
RSB_FREE_PARANOID(xp);
RSB_FREE_PARANOID(yp);
RSB_PERR_GOTO(dca,RSB_ERRM_ES);
}
}
RSB_ALLOC_INFO();
goto ndca;
dca:
RSB_INFO("At:\n");
rsb__limiter_info(&ls);
RSB_INFO("Freeing matrix due to error\n");
RSB_FREE_PARANOID(xp); RSB_FREE_PARANOID(yp);
RSB_FREE_PARANOID(IA); RSB_FREE_PARANOID(JA); RSB_FREE_PARANOID(VA);
ndca:
RSB_NULL_STATEMENT_FOR_COMPILER_HAPPINESS
}
else
{
rsb_trans_t transA = RSB_TRANSPOSITION_N, transB = transA;
rsb_coo_idx_t incx=1,incy=1;
RSB_INFO("Use the matrix...\n");
if(rsb_random_event(ip*af)) {RSB_FAILURE_NOTICE(RSB_MTX_FREE_PARANOID(mtxAp));}
if(rsb_random_event(lp*af)) {RSB_FAILURE_NOTICE(RSB_FREE_PARANOID(xp));}
if(rsb_random_event(lp*af)) {RSB_FAILURE_NOTICE(RSB_FREE_PARANOID(yp));}
if(rsb_random_event(ip*af)) {RSB_FAILURE_NOTICE(transA = RSB_INVALID_TRANS);}
if(rsb_random_event(mp*af)) {RSB_FAILURE_NOTICE(incx=-1);}
if(rsb_random_event(mp*af)) {RSB_FAILURE_NOTICE(incy=-1);}
if(RSB_SOME_ERROR(errval = rsb_do_spmv(transA,alphap,mtxAp,xp,incx,betap,yp,incy)))
{
rsb__do_perror(NULL,errval);
RSB_PERR_GOTO(mdca,RSB_ERRM_ES);
}
if(rsb_random_event(2*af))
{
RSB_MTX_FREE_PARANOID(mtxBp);
RSB_ALLOC_INFO();
/* if( ( mtxBp = rsb__clone_simple(mtxAp) ) != NULL ) */
if( rsb__clone(&mtxBp, mtxAp->typecode,RSB_TRANSPOSITION_N,NULL,mtxAp,flags) == RSB_ERR_NO_ERROR )
{
RSB_ALLOC_INFO();
rsb__do_perror(NULL,errval);
RSB_PERR_GOTO(mdca,RSB_ERRM_ES);
}
}
if(rsb_random_event(2*af))
{
RSB_MTX_FREE_PARANOID(mtxCp);
mtxCp = rsb__do_matrix_mul(typecode,transA,alphap,mtxAp,transB,betap,mtxBp,&errval);
if(RSB_SOME_ERROR(errval))
{
rsb__do_perror(NULL,errval);
RSB_PERR_GOTO(mdca,RSB_ERRM_ES);
}
}
if(rsb_random_event(hp*af))
{
RSB_FAILURE_NOTICE(goto mdca);
}
goto nmdca;
mdca:
rsb__limiter_info(&ls);
RSB_MTX_FREE_PARANOID(mtxAp);
RSB_MTX_FREE_PARANOID(mtxBp);
RSB_FREE_PARANOID(xp);
RSB_FREE_PARANOID(yp);
RSB_FREE_PARANOID(IA);
RSB_FREE_PARANOID(JA);
RSB_FREE_PARANOID(VA);
nmdca:
RSB_NULL_STATEMENT_FOR_COMPILER_HAPPINESS
}
}
RSB_MTX_FREE_PARANOID(mtxAp);
RSB_MTX_FREE_PARANOID(mtxBp);
RSB_MTX_FREE_PARANOID(mtxCp);
RSB_FREE_PARANOID(xp);
RSB_FREE_PARANOID(yp);
RSB_FREE_PARANOID(IA);
RSB_FREE_PARANOID(JA);
RSB_FREE_PARANOID(VA);
rsb__limiter_info(&ls);
RSB_ALLOC_INFO();
rsb__do_check_leak();
RSB_INFO("BASIC FAILURE BASED TEST: END\n");
#endif /* RSB_WANT_FAILURE_TESTER */
return errval;
}
/* @endcond */
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