C++ (Cpp) gsl_sf_complex_sin_e Exemples

Exemple #1

Fichier : trig.c Projet : Andy1985/AntiSpam

int
gsl_sf_complex_logsin_e(const double zr, const double zi,
                           gsl_sf_result * lszr, gsl_sf_result * lszi)
{
  /* CHECK_POINTER(lszr) */
  /* CHECK_POINTER(lszi) */

  if(zi > 60.0) {
    lszr->val = -M_LN2 + zi;
    lszi->val =  0.5*M_PI - zr;
    lszr->err = 2.0 * GSL_DBL_EPSILON * fabs(lszr->val);
    lszi->err = 2.0 * GSL_DBL_EPSILON * fabs(lszi->val);
  }
  else if(zi < -60.0) {
    lszr->val = -M_LN2 - zi;
    lszi->val = -0.5*M_PI + zr;
    lszr->err = 2.0 * GSL_DBL_EPSILON * fabs(lszr->val);
    lszi->err = 2.0 * GSL_DBL_EPSILON * fabs(lszi->val);
  }
  else {
    gsl_sf_result sin_r, sin_i;
    int status;
    gsl_sf_complex_sin_e(zr, zi, &sin_r, &sin_i); /* ok by construction */
    status = gsl_sf_complex_log_e(sin_r.val, sin_i.val, lszr, lszi);
    if(status == GSL_EDOM) {
      DOMAIN_ERROR_2(lszr, lszi);
    }
  }
  return gsl_sf_angle_restrict_symm_e(&(lszi->val));
}

Exemple #2

Fichier : mlgsl_sf.c Projet : ryanrhymes/gsl-ocaml

CAMLprim value ml_gsl_sf_complex_sin_e(value zr, value zi)
{
  gsl_sf_result szr, szi;
  gsl_sf_complex_sin_e(Double_val(zr), Double_val(zi), &szr, &szi);
  return val_of_result_pair (&szr, &szi);
}