/*
	file automatically generated by make_test_files.pl
	Fri Jul  3 11:37:51 2026
*/

/*****************************************************************************
 *                                                                           *
 *          UNU.RAN -- Universal Non-Uniform Random number generator         *
 *                                                                           *
 *****************************************************************************/
    
/**
 ** Tests for VEMPK
 **/
    
/*---------------------------------------------------------------------------*/
#include "testunuran.h"

#ifdef UNUR_URNG_DEFAULT_RNGSTREAM
#include <RngStream.h>
#endif
/*---------------------------------------------------------------------------*/

/*---------------------------------------------------------------------------*/
/* global variables                                                          */

static FILE *TESTLOG;               /* test log file                         */
static FILE *UNURANLOG;             /* unuran log file                       */

static int test_ok = TRUE;          /* all tests ok (boolean)                */
static int fullcheck = FALSE;       /* whether all checks are performed      */ 

static TIMER watch;                 /* stop watch                            */

/*---------------------------------------------------------------------------*/

void run_verify_generator( FILE *LOG, int line, UNUR_PAR *par );

int unur_vempk_set_verify( UNUR_PAR *par, int verify);


/*---------------------------------------------------------------------------*/

void test_new (void);
void test_set (void);
void test_get (void);
void test_chg (void);
void test_init (void);
void test_reinit (void);
void test_sample (void);
void test_validate (void);
void test_special(void);

/*---------------------------------------------------------------------------*/



/* prototypes */

#define COMPARE_SAMPLE_SIZE   (10000)
#define VIOLATE_SAMPLE_SIZE   (20)




/*---------------------------------------------------------------------------*/

#ifndef CHI2_FAILURES_TOLERATED
#  define CHI2_FAILURES_TOLERATED DEFAULT_CHI2_FAILURES_TOLERATED
#endif

/*---------------------------------------------------------------------------*/
/* [verbatim] */



/*---------------------------------------------------------------------------*/
/* [new] */

void test_new (void)
{
        int n_tests_failed;          /* number of failed tests */

	/* start test */
	printf("[new "); fflush(stdout);
	fprintf(TESTLOG,"\n[new]\n");

	/* reset counter */
	n_tests_failed = 0;

	/* set stop watch */
	stopwatch_lap(&watch);
  
{ /* invalid NULL ptr */
UNUR_DISTR *distr = NULL;
   distr = NULL; 


unur_reset_errno();
n_tests_failed += (check_expected_NULL(TESTLOG,25,(unur_vempk_new( distr )))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,25,UNUR_ERR_NULL)==UNUR_SUCCESS)?0:1;
unur_distr_free(distr);
}

{ /* invalid distribution type */
UNUR_DISTR *distr = NULL;
   distr = unur_distr_discr_new(); 


unur_reset_errno();
n_tests_failed += (check_expected_NULL(TESTLOG,32,(unur_vempk_new( distr )))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,32,UNUR_ERR_DISTR_INVALID)==UNUR_SUCCESS)?0:1;
unur_distr_free(distr);
}

{ /* data missing in distribution object */
UNUR_DISTR *distr = NULL;
   distr = unur_distr_cvemp_new(2); 


unur_reset_errno();
/* data */
n_tests_failed += (check_expected_NULL(TESTLOG,40,(unur_vempk_new( distr )))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,40,UNUR_ERR_DISTR_REQUIRED)==UNUR_SUCCESS)?0:1;
unur_distr_free(distr);
}


	/* timing */
	stopwatch_print(TESTLOG,"\n<*>time = %.3f ms\n\n", stopwatch_lap(&watch));

	/* test finished */
	test_ok &= (n_tests_failed) ? 0 : 1;
	(n_tests_failed) ? printf(" ==> failed] ") : printf(" ==> ok] ");

} /* end of test_new() */

/*---------------------------------------------------------------------------*/
/* [set] */

void test_set (void)
{
        int n_tests_failed;          /* number of failed tests */

	/* start test */
	printf("[set "); fflush(stdout);
	fprintf(TESTLOG,"\n[set]\n");

	/* reset counter */
	n_tests_failed = 0;

	/* set stop watch */
	stopwatch_lap(&watch);
  
{ /* invalid NULL ptr */
UNUR_PAR   *par = NULL;
   par = NULL; 


unur_reset_errno();
n_tests_failed += (check_expected_setfailed(TESTLOG,51,(unur_vempk_set_smoothing( par, 1. )))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,51,UNUR_ERR_NULL)==UNUR_SUCCESS)?0:1;

unur_reset_errno();
n_tests_failed += (check_expected_setfailed(TESTLOG,54,(unur_vempk_set_varcor( par, 1 )))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,54,UNUR_ERR_NULL)==UNUR_SUCCESS)?0:1;
}

{ /* invalid parameter object */
UNUR_DISTR *distr = NULL;
UNUR_PAR   *par = NULL;
   distr = unur_distr_normal(NULL,0);
   par = unur_tdr_new(distr); 


unur_reset_errno();
n_tests_failed += (check_expected_setfailed(TESTLOG,62,(unur_vempk_set_smoothing( par, 1. )))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,62,UNUR_ERR_PAR_INVALID)==UNUR_SUCCESS)?0:1;

unur_reset_errno();
n_tests_failed += (check_expected_setfailed(TESTLOG,65,(unur_vempk_set_varcor( par, 1 )))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,65,UNUR_ERR_PAR_INVALID)==UNUR_SUCCESS)?0:1;
unur_par_free (par);
unur_distr_free(distr);
}

{ /* invalid parameters */
UNUR_DISTR *distr = NULL;
UNUR_PAR   *par = NULL;
   double data[] = {1.,1.,-1.,1.,1.,-1.,-1.,-1. };
   distr = unur_distr_cvemp_new(2);
   unur_distr_cvemp_set_data(distr, data, 4); 
   par = unur_vempk_new(distr); 


unur_reset_errno();
n_tests_failed += (check_expected_setfailed(TESTLOG,76,(unur_vempk_set_smoothing( par, -1. )))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,76,UNUR_ERR_PAR_SET)==UNUR_SUCCESS)?0:1;
unur_par_free(par);
unur_distr_free(distr);
}


	/* timing */
	stopwatch_print(TESTLOG,"\n<*>time = %.3f ms\n\n", stopwatch_lap(&watch));

	/* test finished */
	test_ok &= (n_tests_failed) ? 0 : 1;
	(n_tests_failed) ? printf(" ==> failed] ") : printf(" ==> ok] ");

} /* end of test_set() */

/*---------------------------------------------------------------------------*/
/* [chg] */

void test_chg (void)
{
        int n_tests_failed;          /* number of failed tests */

	/* start test */
	printf("[chg "); fflush(stdout);
	fprintf(TESTLOG,"\n[chg]\n");

	/* reset counter */
	n_tests_failed = 0;

	/* set stop watch */
	stopwatch_lap(&watch);
  
{ /* invalid NULL ptr */
UNUR_GEN   *gen = NULL;
   gen = NULL; 


unur_reset_errno();
n_tests_failed += (check_expected_setfailed(TESTLOG,93,(unur_vempk_chg_smoothing( gen, 1.)))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,93,UNUR_ERR_NULL)==UNUR_SUCCESS)?0:1;

unur_reset_errno();
n_tests_failed += (check_expected_setfailed(TESTLOG,96,(unur_vempk_chg_varcor( gen, 1 )))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,96,UNUR_ERR_NULL)==UNUR_SUCCESS)?0:1;
unur_free(gen);
}

{ /* invalid generator object */
UNUR_GEN   *gen = NULL;
   gen = unur_str2gen("normal"); 
abort_if_NULL(TESTLOG, 99,    gen );


unur_reset_errno();
n_tests_failed += (check_expected_setfailed(TESTLOG,103,(unur_vempk_chg_smoothing( gen, 1.)))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,103,UNUR_ERR_GEN_INVALID)==UNUR_SUCCESS)?0:1;

unur_reset_errno();
n_tests_failed += (check_expected_setfailed(TESTLOG,106,(unur_vempk_chg_varcor( gen, 1 )))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,106,UNUR_ERR_GEN_INVALID)==UNUR_SUCCESS)?0:1;
unur_free(gen);
}

{ /* invalid parameters */
UNUR_DISTR *distr = NULL;
UNUR_PAR   *par = NULL;
UNUR_GEN   *gen = NULL;
   double data[] = {1.,1.,-1.,1.,1.,-1.,-1.,-1. };
   distr = unur_distr_cvemp_new(2);
   unur_distr_cvemp_set_data(distr, data, 4); 
   par = unur_vempk_new(distr);
   gen = unur_init(par);  
abort_if_NULL(TESTLOG, 113,    gen );


unur_reset_errno();
n_tests_failed += (check_expected_setfailed(TESTLOG,117,(unur_vempk_chg_smoothing( gen, -1.)))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,117,UNUR_ERR_PAR_SET)==UNUR_SUCCESS)?0:1;
unur_distr_free(distr);
unur_free(gen);
}


	/* timing */
	stopwatch_print(TESTLOG,"\n<*>time = %.3f ms\n\n", stopwatch_lap(&watch));

	/* test finished */
	test_ok &= (n_tests_failed) ? 0 : 1;
	(n_tests_failed) ? printf(" ==> failed] ") : printf(" ==> ok] ");

} /* end of test_chg() */

/*---------------------------------------------------------------------------*/
/* [reinit] */

void test_reinit (void)
{
        int n_tests_failed;          /* number of failed tests */

	/* start test */
	printf("[reinit "); fflush(stdout);
	fprintf(TESTLOG,"\n[reinit]\n");

	/* reset counter */
	n_tests_failed = 0;

	/* set stop watch */
	stopwatch_lap(&watch);
  
{ /* does not exist */
UNUR_DISTR *distr = NULL;
UNUR_PAR   *par = NULL;
UNUR_GEN   *gen = NULL;
   double x[2];
   double data[] = {1.,1.,-1.,1.,1.,-1.,-1.,-1. };
   distr = unur_distr_cvemp_new(2);
   unur_distr_cvemp_set_data(distr, data, 4); 
   par = unur_vempk_new(distr);
   gen = unur_init( par ); 
abort_if_NULL(TESTLOG, 133,    gen );


unur_reset_errno();
n_tests_failed += (check_expected_setfailed(TESTLOG,137,(unur_reinit( gen )))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,137,UNUR_ERR_NO_REINIT)==UNUR_SUCCESS)?0:1;

unur_reset_errno();
unur_sample_vec( gen, x );
n_tests_failed += (check_expected_INFINITY(TESTLOG,141,(x[0]))==UNUR_SUCCESS)?0:1;
n_tests_failed += (check_errorcode(TESTLOG,141,UNUR_ERR_GEN_CONDITION)==UNUR_SUCCESS)?0:1;
unur_distr_free(distr);
unur_free(gen);
}


	/* timing */
	stopwatch_print(TESTLOG,"\n<*>time = %.3f ms\n\n", stopwatch_lap(&watch));

	/* test finished */
	test_ok &= (n_tests_failed) ? 0 : 1;
	(n_tests_failed) ? printf(" ==> failed] ") : printf(" ==> ok] ");

} /* end of test_reinit() */

/*---------------------------------------------------------------------------*/
/* [sample] */

void test_sample (void)
{
        int n_tests_failed;          /* number of failed tests */

	/* start test */
	printf("[sample "); fflush(stdout);
	fprintf(TESTLOG,"\n[sample]\n");

	/* reset counter */
	n_tests_failed = 0;

	/* set stop watch */
	stopwatch_lap(&watch);
  
{ /* compare clone */
UNUR_DISTR *distr = NULL;
UNUR_PAR   *par = NULL;
UNUR_GEN   *gen = NULL;
   double data[] = {1.,1.,-1.,1.,1.,-1.,-1.,-1. };
   UNUR_GEN *clone = NULL;
   distr = unur_distr_cvemp_new(2);
   unur_distr_cvemp_set_data(distr, data, 4); 
   par = unur_vempk_new(distr);
   gen = unur_init(par);   
abort_if_NULL(TESTLOG, 153,    gen );


unur_reset_errno();
/* default generator object */;
n_tests_failed += (compare_sequence_gen_start(TESTLOG,157,gen,COMPARE_SAMPLE_SIZE)==UNUR_SUCCESS)?0:1;

unur_reset_errno();
/* clone */
clone = unur_gen_clone(gen);
unur_free(gen);
gen = clone;
n_tests_failed += (compare_sequence_gen(TESTLOG,163,gen,COMPARE_SAMPLE_SIZE)==UNUR_SUCCESS)?0:1;

unur_reset_errno();
/* set smoothing factor */
unur_free(gen);
par = unur_vempk_new(distr);
unur_vempk_set_smoothing( par, 3. );
gen = unur_init( par );
n_tests_failed += (compare_sequence_gen_start(TESTLOG,170,gen,COMPARE_SAMPLE_SIZE)==UNUR_SUCCESS)?0:1;

unur_reset_errno();
/* clone */
clone = unur_gen_clone(gen);
unur_free(gen);
gen = clone;
n_tests_failed += (compare_sequence_gen(TESTLOG,176,gen,COMPARE_SAMPLE_SIZE)==UNUR_SUCCESS)?0:1;
unur_distr_free(distr);
unur_free(gen);
}


	/* timing */
	stopwatch_print(TESTLOG,"\n<*>time = %.3f ms\n\n", stopwatch_lap(&watch));

	/* test finished */
	test_ok &= (n_tests_failed) ? 0 : 1;
	(n_tests_failed) ? printf(" ==> failed] ") : printf(" ==> ok] ");

} /* end of test_sample() */

/*---------------------------------------------------------------------------*/
/* [validate] */

/*---------------------------------------------------------------------------*/

/* [validate] */

void test_validate (void)
{
	/* suppress GCC compiler warning */
GCC_DIAG_OFF(unused-variable)

	UNUR_DISTR *distr[2];
	UNUR_PAR *par;
	UNUR_GEN *gen;
	double *darray;
	double fpm[10];
	int n_tests_failed;
	int rcode;

	/* start test */
	printf("[validate "); fflush(stdout);
	fprintf(TESTLOG,"\n[validate]\n");

	/* reset counter */
	n_tests_failed = 0;

	/* set stop watch */
	stopwatch_lap(&watch);


/* distributions: 2 */
{
#define dim (2)
{ double *data;
  UNUR_DISTR *dist_mnormal;
  UNUR_GEN *gen_mnormal;
  int i;
  const int ss = 100000;
  data = malloc(dim*ss*sizeof(double));
  dist_mnormal = unur_distr_multinormal(dim,NULL,NULL);
  gen_mnormal = unur_init(unur_mvstd_new(dist_mnormal));
  for (i=0;i<ss;i++)
	unur_sample_vec(gen_mnormal, data+i*dim);
  unur_free(gen_mnormal);
  unur_distr_free(dist_mnormal);
  distr[0] = unur_distr_cvemp_new(dim);
  unur_distr_cvemp_set_data(distr[0],data,ss);
  free(data); }
#undef dim
}

{
#define dim (3)
{ double *data;
  UNUR_DISTR *dist_mnormal;
  UNUR_GEN *gen_mnormal;
  int i;
  const int ss = 100000;
  data = malloc(dim*ss*sizeof(double));
  dist_mnormal = unur_distr_multinormal(dim,NULL,NULL);
  gen_mnormal = unur_init(unur_mvstd_new(dist_mnormal));
  for (i=0;i<ss;i++)
	unur_sample_vec(gen_mnormal, data+i*dim);
  unur_free(gen_mnormal);
  unur_distr_free(dist_mnormal);
  distr[1] = unur_distr_cvemp_new(dim);
  unur_distr_cvemp_set_data(distr[1],data,ss);
  free(data); }
#undef dim
}

	/* timing */
	stopwatch_print(TESTLOG,"\n<*>setup time = %.3f ms\n", stopwatch_lap(&watch));

	printf("\n(chi^2) "); fflush(stdout);

/* chi^2 tests: 4 */

	unur_set_default_debug(~UNUR_DEBUG_SAMPLE);
	fprintf( TESTLOG,"\nChi^2 Test:\n");

/* distribution [0] */

	if(TRUE) {
	unur_reset_errno();
	do {
	UNUR_DISTR *distr_localcopy = unur_distr_clone(distr[0]);
par = unur_vempk_new(distr_localcopy);
	gen = unur_init(par);
	rcode = run_validate_chi2(TESTLOG,0,gen,distr[0],'+');
	n_tests_failed += (rcode==UNUR_SUCCESS)?0:1;
	n_tests_failed += (rcode==UNUR_FAILURE)?1000:0;
	unur_free(gen);
	unur_distr_free(distr_localcopy);
	} while (0);
	}

	if(TRUE) {
	unur_reset_errno();
	do {
	UNUR_DISTR *distr_localcopy = unur_distr_clone(distr[0]);
par = unur_vempk_new(distr_localcopy);
unur_vempk_set_varcor(par,TRUE);
	gen = unur_init(par);
	rcode = run_validate_chi2(TESTLOG,0,gen,distr[0],'+');
	n_tests_failed += (rcode==UNUR_SUCCESS)?0:1;
	n_tests_failed += (rcode==UNUR_FAILURE)?1000:0;
	unur_free(gen);
	unur_distr_free(distr_localcopy);
	} while (0);
	}

/* distribution [1] */

	if(TRUE) {
	unur_reset_errno();
	do {
	UNUR_DISTR *distr_localcopy = unur_distr_clone(distr[1]);
par = unur_vempk_new(distr_localcopy);
	gen = unur_init(par);
	rcode = run_validate_chi2(TESTLOG,0,gen,distr[1],'+');
	n_tests_failed += (rcode==UNUR_SUCCESS)?0:1;
	n_tests_failed += (rcode==UNUR_FAILURE)?1000:0;
	unur_free(gen);
	unur_distr_free(distr_localcopy);
	} while (0);
	}

	if(TRUE) {
	unur_reset_errno();
	do {
	UNUR_DISTR *distr_localcopy = unur_distr_clone(distr[1]);
par = unur_vempk_new(distr_localcopy);
unur_vempk_set_varcor(par,TRUE);
	gen = unur_init(par);
	rcode = run_validate_chi2(TESTLOG,0,gen,distr[1],'+');
	n_tests_failed += (rcode==UNUR_SUCCESS)?0:1;
	n_tests_failed += (rcode==UNUR_FAILURE)?1000:0;
	unur_free(gen);
	unur_distr_free(distr_localcopy);
	} while (0);
	}

	/* timing */
	stopwatch_print(TESTLOG,"\n<*>time = %.0f ms\n", stopwatch_lap(&watch));


/* free distributions */
	unur_distr_free(distr[0]);
	unur_distr_free(distr[1]);

	/* test finished */
	test_ok &= (n_tests_failed>CHI2_FAILURES_TOLERATED) ? 0 : 1;
	/* we accept CHI2_FAILURES_TOLERATED failures */
	(n_tests_failed>CHI2_FAILURES_TOLERATED) ? printf(" ==> failed] ") : printf(" ==> ok] ");

} /* end of test_validate */

/* enable GCC compiler warning */
GCC_DIAG_ON(unused-variable)


/*---------------------------------------------------------------------------*/
/* run generator in verifying mode */

void run_verify_generator( FILE *LOG, int line, UNUR_PAR *par )
{
	UNUR_GEN *gen;
	int i;

	/* switch to verifying mode */
	unur_vempk_set_verify(par,1);

	/* initialize generator */
	gen = unur_init( par ); abort_if_NULL(LOG, line, gen);

	/* run generator */
	for (i=0; i<VIOLATE_SAMPLE_SIZE; i++)
		unur_sample_cont(gen);

	/* destroy generator */
	unur_free(gen); 

} /* end of run_verify_generator() */

int unur_vempk_set_verify(UNUR_PAR *par ATTRIBUTE__UNUSED, int verify ATTRIBUTE__UNUSED) {return 0;}

/*---------------------------------------------------------------------------*/

int main(void)
{ 
        unsigned long seed;
	char *str_seed, *str_tail;

	/* start stop watch */
	stopwatch_init();
	stopwatch_start(&watch);

        /* open log file for unuran and set output stream for unuran messages */
        UNURANLOG = fopen( "t_vempk_unuran.log","w" );
        abort_if_NULL( stderr,-1, UNURANLOG );
        unur_set_stream( UNURANLOG );

        /* open log file for testing */
	TESTLOG = fopen( "t_vempk_test.log","w" );
	abort_if_NULL( stderr,-1, TESTLOG );

        /* seed for uniform generators */

	/* seed set by environment */
	str_seed = getenv("SEED");

	if (str_seed != NULL) {
	    seed = strtol(str_seed, &str_tail, 10);
	    if (seed == 0u) 
		seed = 115156;
	}
	else {
#ifdef SEED
	    seed = SEED;
#else
	    seed = 115156;
#endif
	}

        /* seed build-in uniform generators */
        unur_urng_MRG31k3p_seed(NULL,seed);
        unur_urng_fish_seed(NULL,seed);
	unur_urng_mstd_seed(NULL,seed);

	/* seed uniform random number generator */
#ifdef UNUR_URNG_UNURAN
#  ifdef UNUR_URNG_DEFAULT_RNGSTREAM
	{
	        unsigned long sa[6];
	        int i;
	        for (i=0; i<6; i++) sa[i] = seed;
                RngStream_SetPackageSeed(sa);
        }
#  else
	if (unur_urng_seed(NULL,seed) != UNUR_SUCCESS) {
	        fprintf(stderr,"WARNING: Seed could not be set at random\n");
                seed = ~0u;
	}
#  endif  /* UNUR_URNG_DEFAULT_RNGSTREAM */
#endif  /* UNUR_URNG_UNURAN */
 
	/* set default debugging flag */
	unur_set_default_debug(UNUR_DEBUG_ALL);

        /* detect required check mode */
        fullcheck = (getenv("UNURANFULLCHECK")==NULL) ? FALSE : TRUE;

	/* write header into log file */
        print_test_log_header( TESTLOG, seed, fullcheck );

	/* set timer for sending SIGALRM signal */
	set_alarm(TESTLOG);

	/* start test */
	printf("vempk: ");

	/* run tests */
test_new();
test_set();
test_chg();
test_reinit();
test_sample();
test_validate();


	/* test finished */
	printf("\n");  fflush(stdout);

	/* close log files */
	fprintf(TESTLOG,"\n====================================================\n\n");
	if (test_ok)
		fprintf(TESTLOG,"All tests PASSED.\n");
	else
		fprintf(TESTLOG,"Test(s) FAILED.\n");

	/* timing */
	stopwatch_print(TESTLOG,"\n<*>total time = %.0f ms\n\n", stopwatch_stop(&watch));

	fclose(UNURANLOG);
	fclose(TESTLOG);

	/* free memory */
	compare_free_memory();
	unur_urng_free(unur_get_default_urng());
	unur_urng_free(unur_get_default_urng_aux());

	/* exit */
	exit( (test_ok) ? EXIT_SUCCESS : EXIT_FAILURE );

} /* end of main */

