diff options
Diffstat (limited to 'tests/tgeneric.tpl')
| -rw-r--r-- | tests/tgeneric.tpl | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/tests/tgeneric.tpl b/tests/tgeneric.tpl index 008688f..1ce8079 100644 --- a/tests/tgeneric.tpl +++ b/tests/tgeneric.tpl @@ -23,7 +23,6 @@ along with this program. If not, see http://www.gnu.org/licenses/ . #endif /* helper functions, defined after tgeneric */ -static int double_rounding (mpc_fun_param_t *params); static int count_special_cases (mpc_fun_param_t *params); static void random_params (mpc_fun_param_t *params, mpfr_exp_t exp_min, mpfr_exp_t exp_max, @@ -295,136 +294,3 @@ random_params (mpc_fun_param_t *params, } } } - - -/* return 1 if double rounding occurs; - return 0 otherwise */ -static int -double_rounding_mpfr (mpfr_ptr lowprec, - mpfr_ptr hiprec, int hiprec_inex, mpfr_rnd_t hiprec_rnd) -{ - mpfr_exp_t hiprec_err; - mpfr_rnd_t lowprec_rnd = hiprec_rnd; - mpfr_prec_t lowprec_prec = mpfr_get_prec (lowprec); - - /* hiprec error is bounded by one ulp */ - hiprec_err = mpfr_get_prec (hiprec) - 1; - - if (hiprec_rnd == MPFR_RNDN) - /* when rounding to nearest, use the trick for determining the - correct ternary value which is described in MPFR - documentation */ - { - hiprec_err++; /* error is bounded by one half-ulp */ - lowprec_rnd = MPFR_RNDZ; - lowprec_prec++; - } - - return (hiprec_inex == 0 - || mpfr_can_round (hiprec, hiprec_err, hiprec_rnd, - lowprec_rnd, lowprec_prec)); -} - -/* return 1 if double rounding occurs; - return 0 otherwise */ -static int -double_rounding_mpc (mpc_ptr lowprec, - mpc_ptr hiprec, int hiprec_inex, mpc_rnd_t hiprec_rnd) -{ - mpfr_ptr lowprec_re = mpc_realref (lowprec); - mpfr_ptr lowprec_im = mpc_imagref (lowprec); - mpfr_ptr hiprec_re = mpc_realref (hiprec); - mpfr_ptr hiprec_im = mpc_imagref (hiprec); - int inex_re = MPC_INEX_RE (hiprec_inex); - int inex_im = MPC_INEX_IM (hiprec_inex); - mpfr_rnd_t rnd_re = MPC_RND_RE (hiprec_rnd); - mpfr_rnd_t rnd_im = MPC_RND_IM (hiprec_rnd); - - return (double_rounding_mpfr (lowprec_re, hiprec_re, inex_re, rnd_re) - && double_rounding_mpfr (lowprec_im, hiprec_im, inex_im, rnd_im)); -} - -/* check whether double rounding occurs; if not, round extra precise output - value and set reference parameter */ -static int -double_rounding (mpc_fun_param_t *params) -{ - int out; - const int offset = params->nbout + params->nbin; - const int rnd_index = params->nbout + params->nbin - 1; - - for (out = 0; out < params->nbout; out++) { - if (params->T[out] == MPC) - { - MPC_ASSERT (params->T[0] == MPC_INEX); - MPC_ASSERT (params->T[offset] == MPC_INEX); - MPC_ASSERT (params->T[out + offset] == MPC); - MPC_ASSERT (params->T[rnd_index] == MPC_RND); - - if (double_rounding_mpc (params->P[out + offset].mpc_data.mpc, - params->P[out].mpc, - params->P[0].mpc_inex, - params->P[rnd_index].mpc_rnd)) - /* the hight-precision value and the exact value round to the same - low-precision value */ - { - int inex; - inex = mpc_set (params->P[out + offset].mpc_data.mpc, - params->P[out].mpc, - params->P[rnd_index].mpc_rnd); - params->P[out + offset].mpc_data.known_sign_real = -1; - params->P[out + offset].mpc_data.known_sign_imag = -1; - - /* no double rounding means that the ternary value may comes from - the high-precision calculation or from the rounding */ - if (MPC_INEX_RE (inex) == 0) - params->P[offset].mpc_inex_data.real = - MPC_INEX_RE (params->P[0].mpc_inex); - else - params->P[offset].mpc_inex_data.real = MPC_INEX_RE (inex); - if (MPC_INEX_IM (inex) == 0) - params->P[offset].mpc_inex_data.imag = - MPC_INEX_IM (params->P[0].mpc_inex); - else - params->P[offset].mpc_inex_data.imag = MPC_INEX_IM (inex); - } - else - /* double rounding occurs */ - return 1; - } - else if (params->T[out] == MPFR) - { - MPC_ASSERT (params->T[0] == MPFR_INEX); - MPC_ASSERT (params->T[offset] == MPFR_INEX); - MPC_ASSERT (params->T[out + offset] == MPFR); - MPC_ASSERT (params->T[rnd_index] == MPFR_RND); - - if (double_rounding_mpfr (params->P[out + offset].mpfr_data.mpfr, - params->P[out].mpfr, - params->P[0].mpfr_inex, - params->P[rnd_index].mpfr_rnd)) - /* the hight-precision value and the exact value round to the same - low-precision value */ - { - int inex; - inex = mpfr_set (params->P[out + offset].mpfr_data.mpfr, - params->P[out].mpfr, - params->P[rnd_index].mpfr_rnd); - params->P[out + offset].mpfr_data.known_sign = -1; - - /* no double rounding means that the ternary value may comes from - the high-precision calculation or from the rounding */ - if (inex == 0) - params->P[offset].mpfr_inex = params->P[0].mpfr_inex; - else - params->P[offset].mpfr_inex = inex; - } - else - /* double rounding occurs */ - return 1; - } - } - return 0; -} - - |