test.c

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY without ev

  TEST (gsl_cdf_gamma_P, (0.1, 17.0, 10.0), 2.78502998087492130e-49, TEST_TOL6);
  TEST (gsl_cdf_gamma_P, (0.325, 17.0, 10.0), 1.37283653245125844e-40, TEST_TOL6);
  TEST (gsl_cdf_gamma_P, (1.0, 17.0, 10.0), 2.55811932292544243e-32, TEST_TOL6);
  TEST (gsl_cdf_gamma_P, (1.5, 17.0, 10.0), 2.40420441175422372e-29, TEST_TOL6);
  TEST (gsl_cdf_gamma_P, (2.0, 17.0, 10.0), 3.05092926217898577e-27, TEST_TOL6);
  TEST (gsl_cdf_gamma_P, (10.0, 17.0, 10.0), 1.094920130378183e-15, TEST_TOL6);
  TEST (gsl_cdf_gamma_P, (20.0, 17.0, 10.0), 5.60605096173161688e-11, TEST_TOL6);
  TEST (gsl_cdf_gamma_P, (100.0, 17.0, 10.0), 2.70416097848011280e-2, TEST_TOL6);
  TEST (gsl_cdf_gamma_P, (1000.0, 17.0, 10.0), 1.000000000000000000e0, TEST_TOL6);
  TEST (gsl_cdf_gamma_P, (10000.0, 17.0, 10.0), 1.000000000000000000e0, TEST_TOL6);

  TEST (gsl_cdf_gamma_Q, (0.0, 17.0, 10.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Q, (1e-100, 17.0, 10.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Q, (0.001, 17.0, 10.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Q, (0.01, 17.0, 10.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Q, (0.1, 17.0, 10.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Q, (0.325, 17.0, 10.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Q, (1.0, 17.0, 10.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Q, (1.5, 17.0, 10.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Q, (2.0, 17.0, 10.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Q, (10.0, 17.0, 10.0), 9.99999999999998905e-1, TEST_TOL6);
  TEST (gsl_cdf_gamma_Q, (20.0, 17.0, 10.0), 9.99999999943939490e-1, TEST_TOL6);
  TEST (gsl_cdf_gamma_Q, (100.0, 17.0, 10.0), 9.72958390215198872e-1, TEST_TOL6);
  TEST (gsl_cdf_gamma_Q, (1000.0, 17.0, 10.0), 2.11200951633948570e-25, TEST_TOL6);
  TEST (gsl_cdf_gamma_Q, (10000.0, 17.0, 10.0), 0.0, 0.0);
}

void test_chisq (void) {
  TEST (gsl_cdf_chisq_P, (0.0, 13.0), 0.0, 0.0);
  TEST (gsl_cdf_chisq_P, (1e-100, 13.0), 0.0, 0.0);
  TEST (gsl_cdf_chisq_P, (0.001, 13.0), 1.86631102655845996e-25, TEST_TOL6);
  TEST (gsl_cdf_chisq_P, (0.01, 13.0), 5.87882248504529790e-19, TEST_TOL6);
  TEST (gsl_cdf_chisq_P, (0.1, 13.0), 1.78796983358555410e-12, TEST_TOL6);
  TEST (gsl_cdf_chisq_P, (0.325, 13.0), 3.44611313779905183e-9, TEST_TOL6);
  TEST (gsl_cdf_chisq_P, (1.0, 13.0), 3.83473473513595154e-6, TEST_TOL6);
  TEST (gsl_cdf_chisq_P, (1.5, 13.0), 4.31718389201041932e-5, TEST_TOL6);
  TEST (gsl_cdf_chisq_P, (2.0, 13.0), 2.26250084656047180e-4, TEST_TOL6);
  TEST (gsl_cdf_chisq_P, (10.0, 13.0), 3.06065632019251110e-1, TEST_TOL6);
  TEST (gsl_cdf_chisq_P, (20.0, 13.0), 9.04789743921908487e-1, TEST_TOL6);
  TEST (gsl_cdf_chisq_P, (100.0, 13.0), 9.99999999999998341e-1, TEST_TOL6);
  TEST (gsl_cdf_chisq_P, (1000.0, 13.0), 1e0, TEST_TOL6);
  TEST (gsl_cdf_chisq_P, (10000.0, 13.0), 1e0, TEST_TOL6);

  TEST (gsl_cdf_chisq_Q, (0.0, 13.0), 1e0, TEST_TOL6);
  TEST (gsl_cdf_chisq_Q, (1e-100, 13.0), 1e0, TEST_TOL6);
  TEST (gsl_cdf_chisq_Q, (0.001, 13.0), 1e0, TEST_TOL6);
  TEST (gsl_cdf_chisq_Q, (0.01, 13.0), 9.99999999999999999e-1, TEST_TOL6);
  TEST (gsl_cdf_chisq_Q, (0.1, 13.0), 9.99999999998212030e-1, TEST_TOL6);
  TEST (gsl_cdf_chisq_Q, (0.325, 13.0), 9.99999996553886862e-1, TEST_TOL6);
  TEST (gsl_cdf_chisq_Q, (1.0, 13.0), 9.99996165265264864e-1, TEST_TOL6);
  TEST (gsl_cdf_chisq_Q, (1.5, 13.0), 9.99956828161079896e-1, TEST_TOL6);
  TEST (gsl_cdf_chisq_Q, (2.0, 13.0), 9.99773749915343953e-1, TEST_TOL6);
  TEST (gsl_cdf_chisq_Q, (10.0, 13.0), 6.93934367980748890e-1, TEST_TOL6);
  TEST (gsl_cdf_chisq_Q, (20.0, 13.0), 9.52102560780915127e-2, TEST_TOL6);
  TEST (gsl_cdf_chisq_Q, (100.0, 13.0), 1.65902608070858809e-15, TEST_TOL6);
  TEST (gsl_cdf_chisq_Q, (1000.0, 13.0), 1.74851191544860225e-205, TEST_TOL6);
  TEST (gsl_cdf_chisq_Q, (10000.0, 13.0), 0.0, 0.0);
}


  /* Beta distribution */

void test_beta (void) {
  TEST (gsl_cdf_beta_P, (0.0, 1.2, 1.3), 0.0, 0.0);
  TEST (gsl_cdf_beta_P, (1e-100, 1.2, 1.3), 1.34434944656489596e-120, TEST_TOL6);
  TEST (gsl_cdf_beta_P, (0.001, 1.2, 1.3), 3.37630042504535813e-4, TEST_TOL6);
  TEST (gsl_cdf_beta_P, (0.01, 1.2, 1.3), 5.34317264038929473e-3, TEST_TOL6);
  TEST (gsl_cdf_beta_P, (0.1, 1.2, 1.3), 8.33997828306748346e-2, TEST_TOL6);
  TEST (gsl_cdf_beta_P, (0.325, 1.2, 1.3), 3.28698654180583916e-1, TEST_TOL6);
  TEST (gsl_cdf_beta_P, (0.5, 1.2, 1.3), 5.29781429451299081e-1, TEST_TOL6);
  TEST (gsl_cdf_beta_P, (0.9, 1.2, 1.3), 9.38529397224430659e-1, TEST_TOL6);
  TEST (gsl_cdf_beta_P, (0.99, 1.2, 1.3), 9.96886438341254380e-1, TEST_TOL6);
  TEST (gsl_cdf_beta_P, (0.999, 1.2, 1.3), 9.99843792833067634e-1, TEST_TOL6);
  TEST (gsl_cdf_beta_P, (1.0, 1.2, 1.3), 1.0, TEST_TOL6);

  TEST (gsl_cdf_beta_Q, (0.0, 1.2, 1.3), 1.0, 0.0);
  TEST (gsl_cdf_beta_Q, (1e-100, 1.2, 1.3), 1e0, TEST_TOL6);
  TEST (gsl_cdf_beta_Q, (0.001, 1.2, 1.3), 9.99662369957495464e-1, TEST_TOL6);
  TEST (gsl_cdf_beta_Q, (0.01, 1.2, 1.3), 9.94656827359610705e-1, TEST_TOL6);
  TEST (gsl_cdf_beta_Q, (0.1, 1.2, 1.3), 9.16600217169325165e-1, TEST_TOL6);
  TEST (gsl_cdf_beta_Q, (0.325, 1.2, 1.3), 6.71301345819416084e-1, TEST_TOL6);
  TEST (gsl_cdf_beta_Q, (0.5, 1.2, 1.3), 4.70218570548700919e-1, TEST_TOL6);
  TEST (gsl_cdf_beta_Q, (0.9, 1.2, 1.3), 6.14706027755693408e-2, TEST_TOL6);
  TEST (gsl_cdf_beta_Q, (0.99, 1.2, 1.3), 3.11356165874561958e-3, TEST_TOL6);
  TEST (gsl_cdf_beta_Q, (0.999, 1.2, 1.3), 1.56207166932365759e-4, TEST_TOL6);
  TEST (gsl_cdf_beta_Q, (1.0, 1.2, 1.3), 0.0, TEST_TOL6);
}

void test_betainv (void) {
  TEST (gsl_cdf_beta_Pinv, (0.0, 1.2, 1.3), 0.0, 0.0);
  TEST (gsl_cdf_beta_Pinv, ( 1.34434944656489596e-120, 1.2, 1.3), 1e-100, TEST_TOL6);
  TEST (gsl_cdf_beta_Pinv, ( 3.37630042504535813e-4, 1.2, 1.3), 0.001, TEST_TOL6);
  TEST (gsl_cdf_beta_Pinv, ( 5.34317264038929473e-3, 1.2, 1.3), 0.01, TEST_TOL6);
  TEST (gsl_cdf_beta_Pinv, ( 8.33997828306748346e-2, 1.2, 1.3), 0.1, TEST_TOL6);
  TEST (gsl_cdf_beta_Pinv, ( 3.28698654180583916e-1, 1.2, 1.3), 0.325, TEST_TOL6);
  TEST (gsl_cdf_beta_Pinv, ( 5.29781429451299081e-1, 1.2, 1.3), 0.5, TEST_TOL6);
  TEST (gsl_cdf_beta_Pinv, ( 9.38529397224430659e-1, 1.2, 1.3), 0.9, TEST_TOL6);
  TEST (gsl_cdf_beta_Pinv, ( 9.96886438341254380e-1, 1.2, 1.3), 0.99, TEST_TOL6);
  TEST (gsl_cdf_beta_Pinv, ( 9.99843792833067634e-1, 1.2, 1.3), 0.999, TEST_TOL6);
  TEST (gsl_cdf_beta_Pinv, ( 1.0, 1.2, 1.3), 1.0, TEST_TOL6);

  TEST (gsl_cdf_beta_Qinv, ( 1.0, 1.2, 1.3), 0.0, 0.0);
  TEST (gsl_cdf_beta_Qinv, ( 1e0, 1.2, 1.3), 0.0, TEST_TOL6);
  TEST (gsl_cdf_beta_Qinv, ( 9.99662369957495464e-1, 1.2, 1.3), 0.001, TEST_TOL6);
  TEST (gsl_cdf_beta_Qinv, ( 9.94656827359610705e-1, 1.2, 1.3), 0.01, TEST_TOL6);
  TEST (gsl_cdf_beta_Qinv, ( 9.16600217169325165e-1, 1.2, 1.3), 0.1, TEST_TOL6);
  TEST (gsl_cdf_beta_Qinv, ( 6.71301345819416084e-1, 1.2, 1.3), 0.325, TEST_TOL6);
  TEST (gsl_cdf_beta_Qinv, ( 4.70218570548700919e-1, 1.2, 1.3), 0.5, TEST_TOL6);
  TEST (gsl_cdf_beta_Qinv, ( 6.14706027755693408e-2, 1.2, 1.3), 0.9, TEST_TOL6);
  TEST (gsl_cdf_beta_Qinv, ( 3.11356165874561958e-3, 1.2, 1.3), 0.99, TEST_TOL6);
  TEST (gsl_cdf_beta_Qinv, ( 1.56207166932365759e-4, 1.2, 1.3), 0.999, TEST_TOL6);
  TEST (gsl_cdf_beta_Qinv, ( 0.0, 1.2, 1.3), 1.0, TEST_TOL6);
}

void test_gammainv (void) {
  TEST (gsl_cdf_gamma_Pinv, (0.0, 1.0, 1.0), 0.0, 0.0);
  TEST (gsl_cdf_gamma_Pinv, (1e-100, 1.0, 1.0), 1e-100, TEST_TOL6);
  TEST (gsl_cdf_gamma_Pinv, (9.99500166625008332e-4, 1.0, 1.0), 0.001, TEST_TOL6);
  TEST (gsl_cdf_gamma_Pinv, (9.95016625083194643e-3, 1.0, 1.0), 0.01, TEST_TOL6);
  TEST (gsl_cdf_gamma_Pinv, (9.51625819640404268e-2, 1.0, 1.0), 0.1, TEST_TOL6);
  TEST (gsl_cdf_gamma_Pinv, (2.77472646357927811e-1, 1.0, 1.0), 0.325, TEST_TOL6);
  TEST (gsl_cdf_gamma_Pinv, (6.32120558828557678e-1, 1.0, 1.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Pinv, (7.76869839851570171e-1, 1.0, 1.0), 1.5, TEST_TOL6);
  TEST (gsl_cdf_gamma_Pinv, (8.64664716763387308e-1, 1.0, 1.0), 2.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Pinv, (9.99954600070237515e-1, 1.0, 1.0), 10.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Pinv, (9.99999997938846378e-1, 1.0, 1.0), 20.0, 100 * TEST_TOL6);
  TEST (gsl_cdf_gamma_Pinv, (1.0, 1.0, 1.0), GSL_POSINF, 0.0);

  TEST (gsl_cdf_gamma_Qinv, (0.0, 1.0, 1.0), GSL_POSINF, 0.0);
  TEST (gsl_cdf_gamma_Qinv, (2.06115362243855783e-9, 1.0, 1.0), 20.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Qinv, (4.53999297624848515e-5, 1.0, 1.0), 10.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Qinv, (1.35335283236612692e-1, 1.0, 1.0), 2.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Qinv, (2.23130160148429829e-1, 1.0, 1.0), 1.5, TEST_TOL6);
  TEST (gsl_cdf_gamma_Qinv, (3.67879441171442322e-1, 1.0, 1.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_gamma_Qinv, (7.22527353642072189e-1, 1.0, 1.0), 0.325, TEST_TOL6);
  TEST (gsl_cdf_gamma_Qinv, (9.04837418035959573e-1, 1.0, 1.0), 0.1, TEST_TOL6);
  TEST (gsl_cdf_gamma_Qinv, (9.90049833749168054e-1, 1.0, 1.0), 0.01, TEST_TOL6);
  TEST (gsl_cdf_gamma_Qinv, (9.99000499833374992e-1, 1.0, 1.0), 0.001, TEST_TOL6);
  TEST (gsl_cdf_gamma_Qinv, (1.0, 1.0, 1.0), 0.0, 0.0);
}

void test_chisqinv (void) {
  TEST (gsl_cdf_chisq_Pinv, (0.0, 13.0), 0.0, 0.0);
  TEST (gsl_cdf_chisq_Pinv, (1.86631102655845996e-25, 13.0), 0.001, TEST_TOL6);
  TEST (gsl_cdf_chisq_Pinv, (5.87882248504529790e-19, 13.0), 0.01, TEST_TOL6);
  TEST (gsl_cdf_chisq_Pinv, (1.78796983358555410e-12, 13.0), 0.1, TEST_TOL6);
  TEST (gsl_cdf_chisq_Pinv, (3.44611313779905183e-9, 13.0), 0.325, TEST_TOL6);
  TEST (gsl_cdf_chisq_Pinv, (3.83473473513595154e-6, 13.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_chisq_Pinv, (4.31718389201041932e-5, 13.0), 1.5, TEST_TOL6);
  TEST (gsl_cdf_chisq_Pinv, (2.26250084656047180e-4, 13.0), 2.0, TEST_TOL6);
  TEST (gsl_cdf_chisq_Pinv, (3.06065632019251110e-1, 13.0), 10.0, TEST_TOL6);
  TEST (gsl_cdf_chisq_Pinv, (9.04789743921908487e-1, 13.0), 20.0, TEST_TOL6);
  TEST (gsl_cdf_chisq_Pinv, (9.99999999999998341e-1, 13.0), 100.0, 0.01);
  TEST (gsl_cdf_chisq_Pinv, (1e0, 13.0), GSL_POSINF, 0.0);

  TEST (gsl_cdf_chisq_Qinv, (0.0, 13.0), GSL_POSINF, TEST_TOL6);
  TEST (gsl_cdf_chisq_Qinv, (1.65902608070858809e-15, 13.0), 100.0, TEST_TOL6);
  TEST (gsl_cdf_chisq_Qinv, (9.52102560780915127e-2, 13.0), 20.0, TEST_TOL6);
  TEST (gsl_cdf_chisq_Qinv, (6.93934367980748892e-1, 13.0), 10.0, TEST_TOL6);
  TEST (gsl_cdf_chisq_Qinv, (9.99773749915343954e-1, 13.0), 2.0, TEST_TOL6);
  TEST (gsl_cdf_chisq_Qinv, (9.99956828161079894e-1, 13.0), 1.5, TEST_TOL6);
  TEST (gsl_cdf_chisq_Qinv, (9.99996165265264863e-1, 13.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_chisq_Qinv, (9.99999996553886862e-1, 13.0), 0.325, 1e-6);
  TEST (gsl_cdf_chisq_Qinv, (9.99999999998212031e-1, 13.0), 0.1, 1e-5);
  TEST (gsl_cdf_chisq_Qinv, (1.0, 13.0), 0.0, 0.0);
}

void test_tdistinv (void) {
  TEST (gsl_cdf_tdist_Pinv, (0.5, 1.0), 0.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (5.00318309780080559e-1, 1.0), 0.001, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (5.03182992764908255e-1, 1.0), 0.01, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (5.31725517430553569e-1, 1.0), 0.1, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (6.00023120032852123e-1, 1.0), 0.325, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (0.75000000000000000e0, 1.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (8.12832958189001183e-1, 1.0), 1.5, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (8.52416382349566726e-1, 1.0), 2.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (9.68274482569446430e-1, 1.0), 10.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (9.84097748743823625e-1, 1.0), 20.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (9.96817007235091745e-1, 1.0), 100.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (9.99681690219919441e-1, 1.0), 1000.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (9.99968169011487724e-1, 1.0), 10000.0, TEST_TOL6);

  TEST (gsl_cdf_tdist_Pinv, (4.99681690219919441e-1, 1.0), -0.001, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (4.96817007235091744e-1, 1.0), -0.01, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (4.68274482569446430e-1, 1.0), -0.1, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (3.99976879967147876e-1, 1.0), -0.325, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (0.25, 1.0), -1.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (1.87167041810998816e-1, 1.0), -1.5, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (1.47583617650433274e-1, 1.0), -2.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (3.17255174305535695e-2, 1.0), -10.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (1.59022512561763751e-2, 1.0), -20.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (3.18299276490825514e-3, 1.0), -100.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (3.18309780080558938e-4, 1.0), -1000.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (3.18309885122757724e-5, 1.0), -10000.0, TEST_TOL6);


  TEST (gsl_cdf_tdist_Qinv, (0.5, 1.0), 0.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (4.99681690219919441e-1, 1.0), 0.001, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (4.96817007235091745e-1, 1.0), 0.01, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (4.68274482569446430e-1, 1.0), 0.1, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (3.99976879967147876e-1, 1.0), 0.325, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (2.5e-1, 1.0), 1.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (1.87167041810998816e-1, 1.0), 1.5, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (1.47583617650433274e-1, 1.0), 2.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (3.17255174305535695e-2, 1.0), 10.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (1.59022512561763752e-2, 1.0), 20.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (3.18299276490825515e-3, 1.0), 100.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (3.18309780080558939e-4, 1.0), 1000.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (3.18309885122757724e-5, 1.0), 10000.0, TEST_TOL6);

  TEST (gsl_cdf_tdist_Pinv, (4.99681690219919441e-1, 1.0), -0.001, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (4.96817007235091744e-1, 1.0), -0.01, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (4.68274482569446430e-1, 1.0), -0.1, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (3.99976879967147876e-1, 1.0), -0.325, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (0.25, 1.0), -1.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (1.87167041810998816e-1, 1.0), -1.5, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (1.47583617650433274e-1, 1.0), -2.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (3.17255174305535695e-2, 1.0), -10.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (1.59022512561763751e-2, 1.0), -20.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (3.18299276490825514e-3, 1.0), -100.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (3.18309780080558938e-4, 1.0), -1000.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (3.18309885122757724e-5, 1.0), -10000.0, TEST_TOL6);

  TEST (gsl_cdf_tdist_Qinv, (5.00318309780080559e-1, 1.0), -0.001, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (5.03182992764908255e-1, 1.0), -0.01, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (5.31725517430553570e-1, 1.0), -0.1, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (6.00023120032852124e-1, 1.0), -0.325, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (7.5e-1, 1.0), -1.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (8.12832958189001184e-1, 1.0), -1.5, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (8.52416382349566726e-1, 1.0), -2.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (9.68274482569446430e-1, 1.0), -10.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (9.84097748743823625e-1, 1.0), -20.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (9.96817007235091745e-1, 1.0), -100.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (9.99681690219919441e-1, 1.0), -1000.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Qinv, (9.99968169011487724e-1, 1.0), -10000.0, TEST_TOL6);

  TEST (gsl_cdf_tdist_Pinv, (4.99646446697795041e-01, 2.0), -0.001, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (4.96464554479100486e-01, 2.0), -0.01, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (4.64732719207070087e-01, 2.0), -0.1, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (3.88014227253126233e-01, 2.0), -0.325, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (2.11324865405187118e-01, 2.0), -1.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (1.36196562445500540e-01, 2.0), -1.5, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (9.17517095361369836e-02, 2.0), -2.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (4.92622851166284542e-03, 2.0), -10.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (1.24533194618354849e-03, 2.0), -20.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (4.99925012497812894e-05, 2.0), -100.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (4.99999250001249998e-07, 2.0), -1000.0, TEST_TOL6);
  TEST (gsl_cdf_tdist_Pinv, (4.99999992500000125e-09, 2.0), -10000.0, TEST_TOL6);

  TEST (gsl_cdf_tdist_Qinv,