int main(int argc, char *argv[])
{
  ULONG res = 0;

  MathIeeeSingTransBase = (BaseType *)OpenLibrary("mathieeesingtrans.library", 34);
  if(MathIeeeSingTransBase) {
    PutStr("ok!\n");

    test_const();

    test_acos();
    test_asin();
    test_atan();
    test_cos();
    test_cosh();
    test_exp();
    test_fieee();
    test_log();
    test_log10();
    test_pow();
    test_sin();
    test_sincos();
    test_sinh();
    test_sqrt();
    test_tan();
    test_tanh();
    test_tieee();

    CloseLibrary((struct Library *)MathIeeeSingTransBase);
  } else {
    PutStr("No mathieeesingtrans.library!\n");
    res = 1;
  }
  return res;
}
int main ( int argc, char *argv[] )

/******************************************************************************/
/*
  Purpose:

    MAIN is the main program for C_INTRINSICS.

  Licensing:

    This code is distributed under the GNU LGPL license. 

  Modified:

    16 April 2011

  Author:

    John Burkardt
*/
{
  timestamp ( );
  printf ( "\n" );
  printf ( "C_INTRINSICS:\n" );
  printf ( "  Test the C intrinsic library.\n" );

  test_abs ( );
  test_acos ( );
  test_asin ( );
  test_atan ( );
  test_atan2 ( );
  test_ceil ( );
  test_cos ( );
  test_cosh ( );
  test_exp ( );
  test_fabs ( );
  test_floor ( );
  test_fmod ( );
  test_frexp ( );
  test_ldexp ( );
  test_log ( );
  test_log10 ( );
  test_modf ( );
  test_pow ( );
  test_sin ( );
  test_sinh ( );
  test_sqrt ( );
  test_tan ( );
  test_tanh ( );
/*
  Terminate.
*/
  printf ( "\n" );
  printf ( "C_INTRINSICS:\n" );
  printf ( "  Normal end of execution.\n" );
  printf ( "\n" );
  timestamp ( );

  return 0;
}
static void test_all_exp() {
    test_exp(zero, one, "0");
    test_exp(cent, dec64_new(10100501670841681, -16), "0.01");
    test_exp(half, dec64_new(16487212707001281, -16), "0.5");
    test_exp(one, e, "1");
    test_exp(two,  dec64_new(7389056098930650, -15), "2");
    test_exp(ten,  dec64_new(22026465794806717, -12), "10");
}
int main()
{
	int Error(0);

	Error += test_pow();
	Error += test_exp();
	Error += test_log();
	Error += test_exp2();
	Error += test_log2();
	Error += test_sqrt();
	Error += test_inversesqrt();

	return Error;
}
Exemple #5
0
Fichier : texp.c Projet : jozip/xcl
/* expx is the value of exp(X) rounded toward -infinity */
static void
check_worst_case (const char *Xs, const char *expxs)
{
    mpfr_t x, y;

    mpfr_inits2 (53, x, y, (mpfr_ptr) 0);
    mpfr_set_str1(x, Xs);
    test_exp(y, x, MPFR_RNDD);
    if (mpfr_cmp_str1 (y, expxs))
    {
        printf ("exp(x) rounded toward -infinity is wrong\n");
        exit(1);
    }
    mpfr_set_str1(x, Xs);
    test_exp(x, x, MPFR_RNDU);
    mpfr_nexttoinf (y);
    if (mpfr_cmp(x,y))
    {
        printf ("exp(x) rounded toward +infinity is wrong\n");
        exit(1);
    }
    mpfr_clears (x, y, (mpfr_ptr) 0);
}
Exemple #6
0
Fichier : texp.c Projet : jozip/xcl
/* returns the number of ulp of error */
static void
check3 (const char *op, mpfr_rnd_t rnd, const char *res)
{
    mpfr_t x, y;

    mpfr_inits2 (53, x, y, (mpfr_ptr) 0);
    /* y negative. If we forget to set the sign in mpfr_exp, we'll see it. */
    mpfr_set_si (y, -1, MPFR_RNDN);
    mpfr_set_str1 (x, op);
    test_exp (y, x, rnd);
    if (mpfr_cmp_str1 (y, res) )
    {
        printf ("mpfr_exp failed for x=%s, rnd=%s\n",
                op, mpfr_print_rnd_mode (rnd));
        printf ("expected result is %s, got ", res);
        mpfr_out_str (stdout, 10, 0, y, MPFR_RNDN);
        putchar('\n');
        exit (1);
    }
    mpfr_clears (x, y, (mpfr_ptr) 0);
}
Exemple #7
0
Fichier : texp.c Projet : jozip/xcl
/* check sign of inexact flag */
static void
check_inexact (void)
{
    mpfr_t x, y;
    int inexact;

    mpfr_init2 (x, 53);
    mpfr_init2 (y, 53);

    mpfr_set_str_binary (x,
                         "1.0000000000001001000110100100101000001101101011100101e2");
    inexact = test_exp (y, x, MPFR_RNDN);
    if (inexact <= 0)
    {
        printf ("Wrong inexact flag (Got %d instead of 1)\n", inexact);
        exit (1);
    }

    mpfr_clear (x);
    mpfr_clear (y);
}
Exemple #8
0
int
main(int argc, char *argv[])
{
	BN_CTX *ctx;
	BIO *out;
	char *outfile = NULL;

	results = 0;

	argc--;
	argv++;
	while (argc >= 1) {
		if (strcmp(*argv, "-results") == 0)
			results = 1;
		else if (strcmp(*argv, "-out") == 0) {
			if (--argc < 1)
				break;
			outfile= *(++argv);
		}
		argc--;
		argv++;
	}


	ctx = BN_CTX_new();
	if (ctx == NULL)
		exit(1);

	out = BIO_new(BIO_s_file());
	if (out == NULL)
		exit(1);
	if (outfile == NULL) {
		BIO_set_fp(out, stdout, BIO_NOCLOSE);
	} else {
		if (!BIO_write_filename(out, outfile)) {
			perror(outfile);
			exit(1);
		}
	}

	if (!results)
		BIO_puts(out, "obase=16\nibase=16\n");

	message(out, "BN_add");
	if (!test_add(out))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_sub");
	if (!test_sub(out))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_lshift1");
	if (!test_lshift1(out))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_lshift (fixed)");
	if (!test_lshift(out, ctx, BN_bin2bn(lst, sizeof(lst) - 1, NULL)))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_lshift");
	if (!test_lshift(out, ctx, NULL))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_rshift1");
	if (!test_rshift1(out))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_rshift");
	if (!test_rshift(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_sqr");
	if (!test_sqr(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_mul");
	if (!test_mul(out))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_div");
	if (!test_div(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_div_word");
	if (!test_div_word(out))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_div_recp");
	if (!test_div_recp(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_mod");
	if (!test_mod(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_mod_mul");
	if (!test_mod_mul(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_mont");
	if (!test_mont(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_mod_exp");
	if (!test_mod_exp(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_mod_exp_mont_consttime");
	if (!test_mod_exp_mont_consttime(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_exp");
	if (!test_exp(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_kronecker");
	if (!test_kron(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_mod_sqrt");
	if (!test_sqrt(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "Modexp with different sizes");
	if (!test_mod_exp_sizes(out, ctx))
		goto err;
	(void)BIO_flush(out);

#ifndef OPENSSL_NO_EC2M
	message(out, "BN_GF2m_add");
	if (!test_gf2m_add(out))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_GF2m_mod");
	if (!test_gf2m_mod(out))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_GF2m_mod_mul");
	if (!test_gf2m_mod_mul(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_GF2m_mod_sqr");
	if (!test_gf2m_mod_sqr(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_GF2m_mod_inv");
	if (!test_gf2m_mod_inv(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_GF2m_mod_div");
	if (!test_gf2m_mod_div(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_GF2m_mod_exp");
	if (!test_gf2m_mod_exp(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_GF2m_mod_sqrt");
	if (!test_gf2m_mod_sqrt(out, ctx))
		goto err;
	(void)BIO_flush(out);

	message(out, "BN_GF2m_mod_solve_quad");
	if (!test_gf2m_mod_solve_quad(out, ctx))
		goto err;
	(void)BIO_flush(out);
#endif
	BN_CTX_free(ctx);
	BIO_free(out);


	exit(0);
err:
	BIO_puts(out,"1\n"); /* make sure the Perl script fed by bc notices
	                      * the failure, see test_bn in test/Makefile.ssl*/
	(void)BIO_flush(out);
	ERR_load_crypto_strings();
	ERR_print_errors_fp(stderr);
	exit(1);
}
Exemple #9
0
int main(int argc, char *argv[])
	{
	BN_CTX *ctx;
	BIO *out;
	char *outfile=NULL;

	results = 0;

	RAND_seed(rnd_seed, sizeof rnd_seed); /* or BN_generate_prime may fail */

	argc--;
	argv++;
	while (argc >= 1)
		{
		if (strcmp(*argv,"-results") == 0)
			results=1;
		else if (strcmp(*argv,"-out") == 0)
			{
			if (--argc < 1) break;
			outfile= *(++argv);
			}
		argc--;
		argv++;
		}


	ctx=BN_CTX_new();
	if (ctx == NULL) EXIT(1);

	out=BIO_new(BIO_s_file());
	if (out == NULL) EXIT(1);
	if (outfile == NULL)
		{
		BIO_set_fp(out,stdout,BIO_NOCLOSE);
		}
	else
		{
		if (!BIO_write_filename(out,outfile))
			{
			perror(outfile);
			EXIT(1);
			}
		}

	if (!results)
		BIO_puts(out,"obase=16\nibase=16\n");

	message(out,"BN_add");
	if (!test_add(out)) goto err;
	BIO_flush(out);

	message(out,"BN_sub");
	if (!test_sub(out)) goto err;
	BIO_flush(out);

	message(out,"BN_lshift1");
	if (!test_lshift1(out)) goto err;
	BIO_flush(out);

	message(out,"BN_lshift (fixed)");
	if (!test_lshift(out,ctx,BN_bin2bn(lst,sizeof(lst)-1,NULL)))
	    goto err;
	BIO_flush(out);

	message(out,"BN_lshift");
	if (!test_lshift(out,ctx,NULL)) goto err;
	BIO_flush(out);

	message(out,"BN_rshift1");
	if (!test_rshift1(out)) goto err;
	BIO_flush(out);

	message(out,"BN_rshift");
	if (!test_rshift(out,ctx)) goto err;
	BIO_flush(out);

	message(out,"BN_sqr");
	if (!test_sqr(out,ctx)) goto err;
	BIO_flush(out);

	message(out,"BN_mul");
	if (!test_mul(out)) goto err;
	BIO_flush(out);

	message(out,"BN_div");
	if (!test_div(out,ctx)) goto err;
	BIO_flush(out);

	message(out,"BN_div_recp");
	if (!test_div_recp(out,ctx)) goto err;
	BIO_flush(out);

	message(out,"BN_mod");
	if (!test_mod(out,ctx)) goto err;
	BIO_flush(out);

	message(out,"BN_mod_mul");
	if (!test_mod_mul(out,ctx)) goto err;
	BIO_flush(out);

	message(out,"BN_mont");
	if (!test_mont(out,ctx)) goto err;
	BIO_flush(out);

	message(out,"BN_mod_exp");
	if (!test_mod_exp(out,ctx)) goto err;
	BIO_flush(out);

	message(out,"BN_exp");
	if (!test_exp(out,ctx)) goto err;
	BIO_flush(out);

	message(out,"BN_kronecker");
	if (!test_kron(out,ctx)) goto err;
	BIO_flush(out);

	message(out,"BN_mod_sqrt");
	if (!test_sqrt(out,ctx)) goto err;
	BIO_flush(out);

	BN_CTX_free(ctx);
	BIO_free(out);

/**/
	EXIT(0);
err:
	BIO_puts(out,"1\n"); /* make sure the Perl script fed by bc notices
	                      * the failure, see test_bn in test/Makefile.ssl*/
	BIO_flush(out);
	ERR_load_crypto_strings();
	ERR_print_errors_fp(stderr);
	EXIT(1);
	return(1);
	}
Exemple #10
0
Fichier : texp.c Projet : jozip/xcl
static void
check_special (void)
{
    mpfr_t x, y, z;
    mpfr_exp_t emin, emax;

    emin = mpfr_get_emin ();
    emax = mpfr_get_emax ();

    mpfr_init (x);
    mpfr_init (y);
    mpfr_init (z);

    /* check exp(NaN) = NaN */
    mpfr_set_nan (x);
    test_exp (y, x, MPFR_RNDN);
    if (!mpfr_nan_p (y))
    {
        printf ("Error for exp(NaN)\n");
        exit (1);
    }

    /* check exp(+inf) = +inf */
    mpfr_set_inf (x, 1);
    test_exp (y, x, MPFR_RNDN);
    if (!mpfr_inf_p (y) || mpfr_sgn (y) < 0)
    {
        printf ("Error for exp(+inf)\n");
        exit (1);
    }

    /* check exp(-inf) = +0 */
    mpfr_set_inf (x, -1);
    test_exp (y, x, MPFR_RNDN);
    if (mpfr_cmp_ui (y, 0) || mpfr_sgn (y) < 0)
    {
        printf ("Error for exp(-inf)\n");
        exit (1);
    }

    /* Check overflow. Corner case of mpfr_exp_2 */
    mpfr_set_prec (x, 64);
    mpfr_set_emax (MPFR_EMAX_DEFAULT);
    mpfr_set_emin (MPFR_EMIN_DEFAULT);
    mpfr_set_str (x,
                  "0.1011000101110010000101111111010100001100000001110001100111001101E30",
                  2, MPFR_RNDN);
    mpfr_exp (x, x, MPFR_RNDD);
    if (mpfr_cmp_str (x,
                      ".1111111111111111111111111111111111111111111111111111111111111111E1073741823",
                      2, MPFR_RNDN) != 0)
    {
        printf ("Wrong overflow detection in mpfr_exp\n");
        mpfr_dump (x);
        exit (1);
    }
    /* Check underflow. Corner case of mpfr_exp_2 */
    mpfr_set_str (x,
                  "-0.1011000101110010000101111111011111010001110011110111100110101100E30",
                  2, MPFR_RNDN);
    mpfr_exp (x, x, MPFR_RNDN);
    if (mpfr_cmp_str (x, "0.1E-1073741823", 2, MPFR_RNDN) != 0)
    {
        printf ("Wrong underflow (1) detection in mpfr_exp\n");
        mpfr_dump (x);
        exit (1);
    }
    mpfr_set_str (x,
                  "-0.1011001101110010000101111111011111010001110011110111100110111101E30",
                  2, MPFR_RNDN);
    mpfr_exp (x, x, MPFR_RNDN);
    if (mpfr_cmp_ui (x, 0) != 0)
    {
        printf ("Wrong underflow (2) detection in mpfr_exp\n");
        mpfr_dump (x);
        exit (1);
    }
    /* Check overflow. Corner case of mpfr_exp_3 */
    if (MPFR_PREC_MAX >= MPFR_EXP_THRESHOLD + 10 && MPFR_PREC_MAX >= 64)
    {
        /* this ensures that for small MPFR_EXP_THRESHOLD, the following
           mpfr_set_str conversion is exact */
        mpfr_set_prec (x, (MPFR_EXP_THRESHOLD + 10 > 64)
                       ? MPFR_EXP_THRESHOLD + 10 : 64);
        mpfr_set_str (x,
                      "0.1011000101110010000101111111010100001100000001110001100111001101E30",
                      2, MPFR_RNDN);
        mpfr_clear_overflow ();
        mpfr_exp (x, x, MPFR_RNDD);
        if (!mpfr_overflow_p ())
        {
            printf ("Wrong overflow detection in mpfr_exp_3\n");
            mpfr_dump (x);
            exit (1);
        }
        /* Check underflow. Corner case of mpfr_exp_3 */
        mpfr_set_str (x,
                      "-0.1011000101110010000101111111011111010001110011110111100110101100E30",
                      2, MPFR_RNDN);
        mpfr_clear_underflow ();
        mpfr_exp (x, x, MPFR_RNDN);
        if (!mpfr_underflow_p ())
        {
            printf ("Wrong underflow detection in mpfr_exp_3\n");
            mpfr_dump (x);
            exit (1);
        }
        mpfr_set_prec (x, 53);
    }

    /* check overflow */
    set_emax (10);
    mpfr_set_ui (x, 7, MPFR_RNDN);
    test_exp (y, x, MPFR_RNDN);
    if (!mpfr_inf_p (y) || mpfr_sgn (y) < 0)
    {
        printf ("Error for exp(7) for emax=10\n");
        exit (1);
    }
    set_emax (emax);

    /* check underflow */
    set_emin (-10);
    mpfr_set_si (x, -9, MPFR_RNDN);
    test_exp (y, x, MPFR_RNDN);
    if (mpfr_cmp_ui (y, 0) || mpfr_sgn (y) < 0)
    {
        printf ("Error for exp(-9) for emin=-10\n");
        printf ("Expected +0\n");
        printf ("Got      ");
        mpfr_print_binary (y);
        puts ("");
        exit (1);
    }
    set_emin (emin);

    /* check case EXP(x) < -precy */
    mpfr_set_prec (y, 2);
    mpfr_set_str_binary (x, "-0.1E-3");
    test_exp (y, x, MPFR_RNDD);
    if (mpfr_cmp_ui_2exp (y, 3, -2))
    {
        printf ("Error for exp(-1/16), prec=2, RNDD\n");
        printf ("expected 0.11, got ");
        mpfr_dump (y);
        exit (1);
    }
    test_exp (y, x, MPFR_RNDZ);
    if (mpfr_cmp_ui_2exp (y, 3, -2))
    {
        printf ("Error for exp(-1/16), prec=2, RNDZ\n");
        printf ("expected 0.11, got ");
        mpfr_dump (y);
        exit (1);
    }
    mpfr_set_str_binary (x, "0.1E-3");
    test_exp (y, x, MPFR_RNDN);
    if (mpfr_cmp_ui (y, 1))
    {
        printf ("Error for exp(1/16), prec=2, RNDN\n");
        exit (1);
    }
    test_exp (y, x, MPFR_RNDU);
    if (mpfr_cmp_ui_2exp (y, 3, -1))
    {
        printf ("Error for exp(1/16), prec=2, RNDU\n");
        exit (1);
    }

    /* bug reported by Franky Backeljauw, 28 Mar 2003 */
    mpfr_set_prec (x, 53);
    mpfr_set_prec (y, 53);
    mpfr_set_str_binary (x, "1.1101011000111101011110000111010010101001101001110111e28");
    test_exp (y, x, MPFR_RNDN);

    mpfr_set_prec (x, 153);
    mpfr_set_prec (z, 153);
    mpfr_set_str_binary (x, "1.1101011000111101011110000111010010101001101001110111e28");
    test_exp (z, x, MPFR_RNDN);
    mpfr_prec_round (z, 53, MPFR_RNDN);

    if (mpfr_cmp (y, z))
    {
        printf ("Error in mpfr_exp for large argument\n");
        exit (1);
    }

    /* corner cases in mpfr_exp_3 */
    mpfr_set_prec (x, 2);
    mpfr_set_ui (x, 1, MPFR_RNDN);
    mpfr_set_prec (y, 2);
    mpfr_exp_3 (y, x, MPFR_RNDN);

    /* Check some little things about overflow detection */
    set_emin (-125);
    set_emax (128);
    mpfr_set_prec (x, 107);
    mpfr_set_prec (y, 107);
    mpfr_set_str_binary (x, "0.11110000000000000000000000000000000000000000000"
                         "0000000000000000000000000000000000000000000000000000"
                         "00000000E4");
    test_exp (y, x, MPFR_RNDN);
    if (mpfr_cmp_str (y, "0.11000111100001100110010101111101011010010101010000"
                      "1101110111100010111001011111111000110111001011001101010"
                      "01E22", 2, MPFR_RNDN))
    {
        printf ("Special overflow error (1)\n");
        mpfr_dump (y);
        exit (1);
    }

    set_emin (emin);
    set_emax (emax);

    /* Check for overflow producing a segfault with HUGE exponent */
    mpfr_set_ui  (x, 3, MPFR_RNDN);
    mpfr_mul_2ui (x, x, 32, MPFR_RNDN);
    test_exp (y, x, MPFR_RNDN); /* Can't test return value: May overflow or not*/

    /* Bug due to wrong approximation of (x)/log2 */
    mpfr_set_prec (x, 163);

    mpfr_set_str (x, "-4.28ac8fceeadcda06bb56359017b1c81b85b392e7", 16,
                  MPFR_RNDN);
    mpfr_exp (x, x, MPFR_RNDN);
    if (mpfr_cmp_str (x, "3.fffffffffffffffffffffffffffffffffffffffe8@-2",
                      16, MPFR_RNDN))
    {
        printf ("Error for x= -4.28ac8fceeadcda06bb56359017b1c81b85b392e7");
        printf ("expected  3.fffffffffffffffffffffffffffffffffffffffe8@-2");
        printf ("Got       ");
        mpfr_out_str (stdout, 16, 0, x, MPFR_RNDN);
        putchar ('\n');
    }

    /* bug found by Guillaume Melquiond, 13 Sep 2005 */
    mpfr_set_prec (x, 53);
    mpfr_set_str_binary (x, "-1E-400");
    mpfr_exp (x, x, MPFR_RNDZ);
    if (mpfr_cmp_ui (x, 1) == 0)
    {
        printf ("Error for exp(-2^(-400))\n");
        exit (1);
    }

    mpfr_clear (x);
    mpfr_clear (y);
    mpfr_clear (z);
}
Exemple #11
0
int main()
{
    test_acos();
    test_asin();
    test_atan();
    test_atan2();
    test_ceil();
    test_cos();
    test_cosh();
    test_exp();
    test_fabs();
    test_floor();
    test_fmod();
    test_frexp();
    test_ldexp();
    test_log();
    test_log10();
    test_modf();
    test_pow();
    test_sin();
    test_sinh();
    test_sqrt();
    test_tan();
    test_tanh();
    test_signbit();
    test_fpclassify();
    test_isfinite();
    test_isinf();
    test_isnan();
    test_isnormal();
    test_isgreater();
    test_isgreaterequal();
    test_isless();
    test_islessequal();
    test_islessgreater();
    test_isunordered();
    test_acosh();
    test_asinh();
    test_atanh();
    test_cbrt();
    test_copysign();
    test_erf();
    test_erfc();
    test_exp2();
    test_expm1();
    test_fdim();
    test_fma();
    test_fmax();
    test_fmin();
    test_hypot();
    test_ilogb();
    test_lgamma();
    test_llrint();
    test_llround();
    test_log1p();
    test_log2();
    test_logb();
    test_lrint();
    test_lround();
    test_nan();
    test_nearbyint();
    test_nextafter();
    test_nexttoward();
    test_remainder();
    test_remquo();
    test_rint();
    test_round();
    test_scalbln();
    test_scalbn();
    test_tgamma();
    test_trunc();
}