C++ GSL_ERROR_NULL函数代码示例

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本文整理汇总了C++中GSL_ERROR_NULL函数的典型用法代码示例。如果您正苦于以下问题：C++ GSL_ERROR_NULL函数的具体用法？C++ GSL_ERROR_NULL怎么用？C++ GSL_ERROR_NULL使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了GSL_ERROR_NULL函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: gsl_odeiv_control_alloc

gsl_odeiv_control *
gsl_odeiv_control_alloc(const gsl_odeiv_control_type * T)
{
  gsl_odeiv_control * c = 
    (gsl_odeiv_control *) malloc(sizeof(gsl_odeiv_control));

  if(c == 0) 
    {
      GSL_ERROR_NULL ("failed to allocate space for control struct", 
                      GSL_ENOMEM);
    };

  c->type = T;
  c->state = c->type->alloc();

  if (c->state == 0)
    {
      free (c);		/* exception in constructor, avoid memory leak */

      GSL_ERROR_NULL ("failed to allocate space for control state", 
                      GSL_ENOMEM);
    };

  return c;
}

开发者ID:nchaimov，项目名称:m3l-af，代码行数:25，代码来源:control.c

示例2: gsl_splinalg_itersolve_alloc

gsl_splinalg_itersolve *
gsl_splinalg_itersolve_alloc(const gsl_splinalg_itersolve_type *T,
                             const size_t n, const size_t m)
{
  gsl_splinalg_itersolve *w;

  w = calloc(1, sizeof(gsl_splinalg_itersolve));
  if (w == NULL)
    {
      GSL_ERROR_NULL("failed to allocate space for itersolve struct",
                     GSL_ENOMEM);
    }

  w->type = T;
  w->normr = 0.0;

  w->state = w->type->alloc(n, m);
  if (w->state == NULL)
    {
      gsl_splinalg_itersolve_free(w);
      GSL_ERROR_NULL("failed to allocate space for itersolve state",
                     GSL_ENOMEM);
    }

  return w;
} /* gsl_splinalg_itersolve_alloc() */

开发者ID:BrianGladman，项目名称:gsl，代码行数:26，代码来源:itersolve.c

示例3: gsl_eigen_gensymm_alloc

gsl_eigen_gensymm_workspace *
gsl_eigen_gensymm_alloc(const size_t n)
{
  gsl_eigen_gensymm_workspace *w;

  if (n == 0)
    {
      GSL_ERROR_NULL ("matrix dimension must be positive integer",
                      GSL_EINVAL);
    }

  w = (gsl_eigen_gensymm_workspace *) calloc (1, sizeof (gsl_eigen_gensymm_workspace));

  if (w == 0)
    {
      GSL_ERROR_NULL ("failed to allocate space for workspace", GSL_ENOMEM);
    }

  w->size = n;

  w->symm_workspace_p = gsl_eigen_symm_alloc(n);
  if (!w->symm_workspace_p)
    {
      gsl_eigen_gensymm_free(w);
      GSL_ERROR_NULL("failed to allocate space for symm workspace", GSL_ENOMEM);
    }

  return (w);
} /* gsl_eigen_gensymm_alloc() */

开发者ID:lemahdi，项目名称:mglib，代码行数:29，代码来源:gensymm.c

示例4: rk2imp_alloc

static void *
rk2imp_alloc (size_t dim)
{
  rk2imp_state_t *state = (rk2imp_state_t *) malloc (sizeof (rk2imp_state_t));

  if (state == 0)
    {
      GSL_ERROR_NULL ("failed to allocate space for rk2imp_state",
                      GSL_ENOMEM);
    }

  state->knu = (double *) malloc (dim * sizeof (double));

  if (state->knu == 0)
    {
      free (state);
      GSL_ERROR_NULL ("failed to allocate space for knu", GSL_ENOMEM);
    }

  state->ytmp = (double *) malloc (dim * sizeof (double));

  if (state->ytmp == 0)
    {
      free (state->knu);
      free (state);
      GSL_ERROR_NULL ("failed to allocate space for ytmp", GSL_ENOMEM);
    }

  return state;
}

开发者ID:naorbrown，项目名称:EpiFire，代码行数:30，代码来源:rk2imp.c

示例5: gsl_filter_gaussian_alloc

gsl_filter_gaussian_workspace *
gsl_filter_gaussian_alloc(const size_t K)
{
  const size_t H = K / 2;
  gsl_filter_gaussian_workspace *w;
  size_t state_size;

  w = calloc(1, sizeof(gsl_filter_gaussian_workspace));
  if (w == 0)
    {
      GSL_ERROR_NULL ("failed to allocate space for workspace", GSL_ENOMEM);
    }

  w->K = 2 * H + 1;

  w->kernel = malloc(w->K * sizeof(double));
  if (w->kernel == 0)
    {
      gsl_filter_gaussian_free(w);
      GSL_ERROR_NULL ("failed to allocate space for kernel", GSL_ENOMEM);
      return NULL;
    }

  state_size = gaussian_size(w->K);

  w->movstat_workspace_p = gsl_movstat_alloc_with_size(state_size, H, H);
  if (!w->movstat_workspace_p)
    {
      gsl_filter_gaussian_free(w);
      GSL_ERROR_NULL ("failed to allocate space for movstat workspace", GSL_ENOMEM);
    }

  return w;
}

开发者ID:BrianGladman，项目名称:gsl，代码行数:34，代码来源:gaussian.c

示例6: avl_spmalloc

static void *
avl_spmalloc (size_t size, void *param)
{
  gsl_spmatrix *m = (gsl_spmatrix *) param;

  if (size != sizeof(struct avl_node))
    {
      GSL_ERROR_NULL("attemping to allocate incorrect node size", GSL_EBADLEN);
    }

  /*
   * return the next available avl_node slot; index
   * m->tree_data->n keeps track of next open slot
   */
  if (m->tree_data->n < m->nzmax)
    {
      /* cast to char* for pointer arithmetic */
      unsigned char *node_ptr = (unsigned char *) m->tree_data->node_array;

      /* offset in bytes for next node slot */
      size_t offset = (m->tree_data->n)++ * sizeof(struct avl_node);

      return node_ptr + offset;
    }
  else
    {
      /*
       * we should never get here - gsl_spmatrix_realloc() should
       * be called before exceeding nzmax nodes
       */
      GSL_ERROR_NULL("attemping to allocate tree node past nzmax", GSL_EINVAL);
    }
}

开发者ID:FMX，项目名称:gsl，代码行数:33，代码来源:spmatrix.c

示例7: gsl_odeiv_control_scaled_new

gsl_odeiv_control *
gsl_odeiv_control_scaled_new(double eps_abs, double eps_rel,
                             double a_y, double a_dydt,
                             const double scale_abs[],
                             size_t dim)
{
  gsl_odeiv_control * c = 
    gsl_odeiv_control_alloc (gsl_odeiv_control_scaled);
  
  int status = gsl_odeiv_control_init (c, eps_abs, eps_rel, a_y, a_dydt);

  if (status != GSL_SUCCESS)
    {
      gsl_odeiv_control_free (c);
      GSL_ERROR_NULL ("error trying to initialize control", status);
    }

  {
    sc_control_state_t * s = (sc_control_state_t *) c->state;
    
    s->scale_abs = (double *)malloc(dim * sizeof(double));
    
    if (s->scale_abs == 0)
      {
        free (s);
        GSL_ERROR_NULL ("failed to allocate space for scale_abs", 
                        GSL_ENOMEM);
      }

    memcpy(s->scale_abs, scale_abs, dim * sizeof(double));
  }
  
  return c;
}

开发者ID:lemahdi，项目名称:mglib，代码行数:34，代码来源:cscal.c

示例8: gsl_odeiv2_evolve_alloc

gsl_odeiv2_evolve *
gsl_odeiv2_evolve_alloc (size_t dim)
{
  gsl_odeiv2_evolve *e =
    (gsl_odeiv2_evolve *) malloc (sizeof (gsl_odeiv2_evolve));

  if (e == 0)
    {
      GSL_ERROR_NULL ("failed to allocate space for evolve struct",
                      GSL_ENOMEM);
    }

  e->y0 = (double *) malloc (dim * sizeof (double));

  if (e->y0 == 0)
    {
      free (e);
      GSL_ERROR_NULL ("failed to allocate space for y0", GSL_ENOMEM);
    }

  e->yerr = (double *) malloc (dim * sizeof (double));

  if (e->yerr == 0)
    {
      free (e->y0);
      free (e);
      GSL_ERROR_NULL ("failed to allocate space for yerr", GSL_ENOMEM);
    }

  e->dydt_in = (double *) malloc (dim * sizeof (double));

  if (e->dydt_in == 0)
    {
      free (e->yerr);
      free (e->y0);
      free (e);
      GSL_ERROR_NULL ("failed to allocate space for dydt_in", GSL_ENOMEM);
    }

  e->dydt_out = (double *) malloc (dim * sizeof (double));

  if (e->dydt_out == 0)
    {
      free (e->dydt_in);
      free (e->yerr);
      free (e->y0);
      free (e);
      GSL_ERROR_NULL ("failed to allocate space for dydt_out", GSL_ENOMEM);
    }

  e->dimension = dim;
  e->count = 0;
  e->failed_steps = 0;
  e->last_step = 0.0;
  e->driver = NULL;

  return e;
}

开发者ID:BrianGladman，项目名称:gsl，代码行数:58，代码来源:evolve.c

示例9: gsl_spmatrix_ptr

double *
gsl_spmatrix_ptr(gsl_spmatrix *m, const size_t i, const size_t j)
{
  if (i >= m->size1)
    {
      GSL_ERROR_NULL("first index out of range", GSL_EINVAL);
    }
  else if (j >= m->size2)
    {
      GSL_ERROR_NULL("second index out of range", GSL_EINVAL);
    }
  else
    {
      if (GSL_SPMATRIX_ISTRIPLET(m))
        {
          /* traverse binary tree to search for (i,j) element */
          void *ptr = tree_find(m, i, j);
          return (double *) ptr;
        }
      else if (GSL_SPMATRIX_ISCCS(m))
        {
          const size_t *mi = m->i;
          const size_t *mp = m->p;
          size_t p;

          /* loop over column j and search for row index i */
          for (p = mp[j]; p < mp[j + 1]; ++p)
            {
              if (mi[p] == i)
                return &(m->data[p]);
            }
        }
      else if (GSL_SPMATRIX_ISCRS(m))
        {
          const size_t *mj = m->i;
          const size_t *mp = m->p;
          size_t p;

          /* loop over row i and search for column index j */
          for (p = mp[i]; p < mp[i + 1]; ++p)
            {
              if (mj[p] == j)
                return &(m->data[p]);
            }
        }
      else
        {
          GSL_ERROR_NULL("unknown sparse matrix type", GSL_EINVAL);
        }

      /* element not found; return 0 */
      return NULL;
    }
} /* gsl_spmatrix_ptr() */

开发者ID:antonio-dibacco，项目名称:gsl-stm32f103，代码行数:54，代码来源:spgetset.c

示例10: cspline_alloc

/* common initialization */
static void *
cspline_alloc (size_t size)
{
  cspline_state_t * state = (cspline_state_t *) malloc (sizeof (cspline_state_t));

  if (state == NULL)
    {
      GSL_ERROR_NULL("failed to allocate space for state", GSL_ENOMEM);
    }
  
  state->c = (double *) malloc (size * sizeof (double));
  
  if (state->c == NULL)
    {
      free (state);
      GSL_ERROR_NULL("failed to allocate space for c", GSL_ENOMEM);
    }

  state->g = (double *) malloc (size * sizeof (double));
  
  if (state->g == NULL)
    {
      free (state->c);
      free (state);
      GSL_ERROR_NULL("failed to allocate space for g", GSL_ENOMEM);
    }

  state->diag = (double *) malloc (size * sizeof (double));
  
  if (state->diag == NULL)
    {
      free (state->g);
      free (state->c);
      free (state);
      GSL_ERROR_NULL("failed to allocate space for diag", GSL_ENOMEM);
    }

  state->offdiag = (double *) malloc (size * sizeof (double));
  
  if (state->offdiag == NULL)
    {
      free (state->diag);
      free (state->g);
      free (state->c);
      free (state);
      GSL_ERROR_NULL("failed to allocate space for offdiag", GSL_ENOMEM);
    }

  return state;
}

开发者ID:BrianGladman，项目名称:gsl，代码行数:51，代码来源:cspline.c

示例11: akima_alloc

/* common creation */
static void *
akima_alloc (size_t size)
{
  akima_state_t *state = (akima_state_t *) malloc (sizeof (akima_state_t));
  
  if (state == NULL)
    {
      GSL_ERROR_NULL("failed to allocate space for state", GSL_ENOMEM);
    }
  
  state->b = (double *) malloc (size * sizeof (double));
  
  if (state->b == NULL)
    {
      free (state);
      GSL_ERROR_NULL("failed to allocate space for b", GSL_ENOMEM);
    }
  
  state->c = (double *) malloc (size * sizeof (double));
  
  if (state->c == NULL)
    {
      free (state->b);
      free (state);
      GSL_ERROR_NULL("failed to allocate space for c", GSL_ENOMEM);
    }
  
  state->d = (double *) malloc (size * sizeof (double));
  
  if (state->d == NULL)
    {
      free (state->c);
      free (state->b);
      free (state);
      GSL_ERROR_NULL("failed to allocate space for d", GSL_ENOMEM);
    }

  state->_m = (double *) malloc ((size + 4) * sizeof (double));

  if (state->_m == NULL)
    {
      free (state->d);
      free (state->c);
      free (state->b);
      free (state);
      GSL_ERROR_NULL("failed to allocate space for _m", GSL_ENOMEM);
    }
  
  return state;
}

开发者ID:Ayato-Harashima，项目名称:CMVS-PMVS，代码行数:51，代码来源:akima.c

示例12: gsl_movstat_alloc_with_size

gsl_movstat_workspace *
gsl_movstat_alloc_with_size(const size_t accum_state_size, const size_t H, const size_t J)
{
  gsl_movstat_workspace *w;
  size_t state_size = accum_state_size;

  w = calloc(1, sizeof(gsl_movstat_workspace));
  if (w == 0)
    {
      GSL_ERROR_NULL ("failed to allocate space for workspace", GSL_ENOMEM);
    }

  w->H = H;
  w->J = J;
  w->K = H + J + 1;

  if (state_size == 0)
    {
      /*
       * determine maximum number of bytes needed for the various accumulators;
       * the accumulators will all share the same workspace
       */
      state_size = GSL_MAX(state_size, (gsl_movstat_accum_mad->size)(w->K));    /* MAD accumulator */
      state_size = GSL_MAX(state_size, (gsl_movstat_accum_mean->size)(w->K));   /* mean/variance/sd accumulator */
      state_size = GSL_MAX(state_size, (gsl_movstat_accum_min->size)(w->K));    /* min/max accumulator */
      state_size = GSL_MAX(state_size, (gsl_movstat_accum_sum->size)(w->K));    /* sum accumulator */
      state_size = GSL_MAX(state_size, (gsl_movstat_accum_median->size)(w->K)); /* median accumulator */
      state_size = GSL_MAX(state_size, (gsl_movstat_accum_Qn->size)(w->K));     /* Q_n accumulator */
      state_size = GSL_MAX(state_size, (gsl_movstat_accum_qqr->size)(w->K));    /* QQR accumulator */
      state_size = GSL_MAX(state_size, (gsl_movstat_accum_Sn->size)(w->K));     /* S_n accumulator */
    }

  w->state = malloc(state_size);
  if (w->state == 0)
    {
      gsl_movstat_free(w);
      GSL_ERROR_NULL ("failed to allocate space for accumulator state", GSL_ENOMEM);
    }

  w->work = malloc(w->K * sizeof(double));
  if (w->work == 0)
    {
      gsl_movstat_free(w);
      GSL_ERROR_NULL ("failed to allocate space for work", GSL_ENOMEM);
    }

  w->state_size = state_size;

  return w;
}

开发者ID:BrianGladman，项目名称:gsl，代码行数:50，代码来源:alloc.c

示例13: gsl_eigen_nonsymm_alloc

gsl_eigen_nonsymm_workspace *
gsl_eigen_nonsymm_alloc(const size_t n)
{
  gsl_eigen_nonsymm_workspace *w;

  if (n == 0)
    {
      GSL_ERROR_NULL ("matrix dimension must be positive integer",
                      GSL_EINVAL);
    }

  w = (gsl_eigen_nonsymm_workspace *)
      calloc (1, sizeof (gsl_eigen_nonsymm_workspace));

  if (w == 0)
    {
      GSL_ERROR_NULL ("failed to allocate space for workspace", GSL_ENOMEM);
    }

  w->size = n;
  w->Z = NULL;
  w->do_balance = 0;

  w->diag = gsl_vector_alloc(n);

  if (w->diag == 0)
    {
      gsl_eigen_nonsymm_free(w);
      GSL_ERROR_NULL ("failed to allocate space for balancing vector", GSL_ENOMEM);
    }

  w->tau = gsl_vector_alloc(n);

  if (w->tau == 0)
    {
      gsl_eigen_nonsymm_free(w);
      GSL_ERROR_NULL ("failed to allocate space for hessenberg coefficients", GSL_ENOMEM);
    }

  w->francis_workspace_p = gsl_eigen_francis_alloc();

  if (w->francis_workspace_p == 0)
    {
      gsl_eigen_nonsymm_free(w);
      GSL_ERROR_NULL ("failed to allocate space for francis workspace", GSL_ENOMEM);
    }

  return (w);
} /* gsl_eigen_nonsymm_alloc() */

开发者ID:Ayato-Harashima，项目名称:CMVS-PMVS，代码行数:49，代码来源:nonsymm.c

示例14: gsl_eigen_nonsymmv_alloc

gsl_eigen_nonsymmv_workspace *
gsl_eigen_nonsymmv_alloc(const size_t n)
{
  gsl_eigen_nonsymmv_workspace *w;

  if (n == 0)
    {
      GSL_ERROR_NULL ("matrix dimension must be positive integer",
                      GSL_EINVAL);
    }

  w = (gsl_eigen_nonsymmv_workspace *)
      calloc (1, sizeof (gsl_eigen_nonsymmv_workspace));

  if (w == 0)
    {
      GSL_ERROR_NULL ("failed to allocate space for workspace", GSL_ENOMEM);
    }

  w->size = n;
  w->Z = NULL;
  w->nonsymm_workspace_p = gsl_eigen_nonsymm_alloc(n);

  if (w->nonsymm_workspace_p == 0)
    {
      gsl_eigen_nonsymmv_free(w);
      GSL_ERROR_NULL ("failed to allocate space for nonsymm workspace", GSL_ENOMEM);
    }

  /*
   * set parameters to compute the full Schur form T and balance
   * the matrices
   */
  gsl_eigen_nonsymm_params(1, 0, w->nonsymm_workspace_p);

  w->work = gsl_vector_alloc(n);
  w->work2 = gsl_vector_alloc(n);
  w->work3 = gsl_vector_alloc(n);
  if (w->work == 0 || w->work2 == 0 || w->work3 == 0)
    {
      gsl_eigen_nonsymmv_free(w);
      GSL_ERROR_NULL ("failed to allocate space for nonsymmv additional workspace", GSL_ENOMEM);
    }

  return (w);
} /* gsl_eigen_nonsymmv_alloc() */

开发者ID:lemahdi，项目名称:mglib，代码行数:46，代码来源:nonsymmv.c

示例15: gsl_odeiv2_driver_alloc_scaled_new

gsl_odeiv2_driver *
gsl_odeiv2_driver_alloc_scaled_new (const gsl_odeiv2_system * sys,
                                    const gsl_odeiv2_step_type * T,
                                    const double hstart,
                                    const double epsabs, const double epsrel,
                                    const double a_y, const double a_dydt,
                                    const double scale_abs[])
{
  /* Initializes an ODE driver system with control object of type
     scaled_new. 
   */

  gsl_odeiv2_driver *state = driver_alloc (sys, hstart, T);

  if (state == NULL)
    {
      GSL_ERROR_NULL ("failed to allocate driver object", GSL_ENOMEM);
    }

  if (epsabs >= 0.0 && epsrel >= 0.0)
    {
      state->c = gsl_odeiv2_control_scaled_new (epsabs, epsrel, a_y, a_dydt,
                                                scale_abs, sys->dimension);

      if (state->c == NULL)
        {
          gsl_odeiv2_driver_free (state);
          GSL_ERROR_NULL ("failed to allocate control object", GSL_ENOMEM);
        }
    }
  else
    {
      gsl_odeiv2_driver_free (state);
      GSL_ERROR_NULL ("epsabs and epsrel must be positive", GSL_EINVAL);
    }

  /* Distribute pointer to driver object */

  gsl_odeiv2_step_set_driver (state->s, state);
  gsl_odeiv2_evolve_set_driver (state->e, state);
  gsl_odeiv2_control_set_driver (state->c, state);

  return state;
}

开发者ID:CNMAT，项目名称:gsl，代码行数:44，代码来源:driver.c

示例16: trust_alloc

static void *
trust_alloc (const gsl_multilarge_nlinear_parameters * params,
             const size_t n, const size_t p)
{
  trust_state_t *state;
  
  state = calloc(1, sizeof(trust_state_t));
  if (state == NULL)
    {
      GSL_ERROR_NULL ("failed to allocate lm state", GSL_ENOMEM);
    }

  state->diag = gsl_vector_alloc(p);
  if (state->diag == NULL)
    {
      GSL_ERROR_NULL ("failed to allocate space for diag", GSL_ENOMEM);
    }

  state->workn = gsl_vector_alloc(n);
  if (state->workn == NULL)
    {
      GSL_ERROR_NULL ("failed to allocate space for workn", GSL_ENOMEM);
    }

  state->x_trial = gsl_vector_alloc(p);
  if (state->x_trial == NULL)
    {
      GSL_ERROR_NULL ("failed to allocate space for x_trial", GSL_ENOMEM);
    }

  state->f_trial = gsl_vector_alloc(n);
  if (state->f_trial == NULL)
    {
      GSL_ERROR_NULL ("failed to allocate space for f_trial", GSL_ENOMEM);
    }

  state->trs_state = (params->trs->alloc)(params, n, p);
  if (state->trs_state == NULL)
    {
      GSL_ERROR_NULL ("failed to allocate space for trs state", GSL_ENOMEM);
    }

  if (params->solver != gsl_multilarge_nlinear_solver_none)
    {
      state->solver_state = (params->solver->alloc)(n, p);
      if (state->solver_state == NULL)
        {
          GSL_ERROR_NULL ("failed to allocate space for solver state", GSL_ENOMEM);
        }
    }

  state->n = n;
  state->p = p;
  state->delta = 0.0;
  state->params = *params;

  return state;
}

开发者ID:ohliumliu，项目名称:gsl-playground，代码行数:58，代码来源:trust.c

示例17: gsl_spmatrix_ccs

gsl_spmatrix *
gsl_spmatrix_ccs(const gsl_spmatrix *T)
{
  if (!GSL_SPMATRIX_ISTRIPLET(T))
    {
      GSL_ERROR_NULL("matrix must be in triplet format", GSL_EINVAL);
    }
  else
    {
      const size_t *Tj; /* column indices of triplet matrix */
      size_t *Cp;       /* column pointers of compressed column matrix */
      size_t *w;        /* copy of column pointers */
      gsl_spmatrix *m;
      size_t n;

      m = gsl_spmatrix_alloc_nzmax(T->size1, T->size2, T->nz,
                                   GSL_SPMATRIX_CCS);
      if (!m)
        return NULL;

      Tj = T->p;
      Cp = m->p;

      /* initialize column pointers to 0 */
      for (n = 0; n < m->size2 + 1; ++n)
        Cp[n] = 0;

      /*
       * compute the number of elements in each column:
       * Cp[j] = # non-zero elements in column j
       */
      for (n = 0; n < T->nz; ++n)
        Cp[Tj[n]]++;

      /* compute column pointers: p[j] = p[j-1] + nnz[j-1] */
      gsl_spmatrix_cumsum(m->size2, Cp);

      /* make a copy of the column pointers */
      w = (size_t *) m->work;
      for (n = 0; n < m->size2; ++n)
        w[n] = Cp[n];

      /* transfer data from triplet format to CCS */
      for (n = 0; n < T->nz; ++n)
        {
          size_t k = w[Tj[n]]++;
          m->i[k] = T->i[n];
          m->data[k] = T->data[n];
        }

      m->nz = T->nz;

      return m;
    }
}

开发者ID:antonio-dibacco，项目名称:gsl-stm32f103，代码行数:55，代码来源:spcompress.c

示例18: dogleg_alloc

static void *
dogleg_alloc (const void * params, const size_t n, const size_t p)
{
  const gsl_multifit_nlinear_parameters *mparams = (const gsl_multifit_nlinear_parameters *) params;
  dogleg_state_t *state;
  
  state = calloc(1, sizeof(dogleg_state_t));
  if (state == NULL)
    {
      GSL_ERROR_NULL ("failed to allocate dogleg state", GSL_ENOMEM);
    }

  state->dx_gn = gsl_vector_alloc(p);
  if (state->dx_gn == NULL)
    {
      GSL_ERROR_NULL ("failed to allocate space for dx_gn", GSL_ENOMEM);
    }

  state->dx_sd = gsl_vector_alloc(p);
  if (state->dx_sd == NULL)
    {
      GSL_ERROR_NULL ("failed to allocate space for dx_sd", GSL_ENOMEM);
    }

  state->workp = gsl_vector_alloc(p);
  if (state->workp == NULL)
    {
      GSL_ERROR_NULL ("failed to allocate space for workp", GSL_ENOMEM);
    }

  state->workn = gsl_vector_alloc(n);
  if (state->workn == NULL)
    {
      GSL_ERROR_NULL ("failed to allocate space for workn", GSL_ENOMEM);
    }

  state->n = n;
  state->p = p;
  state->params = *mparams;

  return state;
}

开发者ID:gaponenko，项目名称:gsl，代码行数:42，代码来源:dogleg.c

示例19: eulerplus_alloc

static void *
eulerplus_alloc (size_t dim)
{
  eulerplus_state_t *state =
    (eulerplus_state_t *) malloc (sizeof (eulerplus_state_t));

  if (state == 0)
    {
      GSL_ERROR_NULL ("failed to allocate space for eulerplus_state",
		      GSL_ENOMEM);
    }

  state->k1 = (double *) malloc (dim * sizeof (double));

  if (state->k1 == 0)
    {
      free (state);
      GSL_ERROR_NULL ("failed to allocate space for k1", GSL_ENOMEM);
    }

  state->k2 = (double *) malloc (dim * sizeof (double));

  if (state->k2 == 0)
    {
      free (state->k1);    
      free (state);
      GSL_ERROR_NULL ("failed to allocate space for k2", GSL_ENOMEM);
    }

  
  state->ytmp = (double *) malloc (dim * sizeof (double));

  if (state->ytmp == 0)
    {
      free (state->k2);
      free (state->k1);
      free (state);
      GSL_ERROR_NULL ("failed to allocate space for ytmp", GSL_ENOMEM);
    }

  return state;
}

开发者ID:BrianGladman，项目名称:gsl，代码行数:42，代码来源:eulerplus.c

示例20: gsl_eigen_herm_alloc

gsl_eigen_herm_workspace * 
gsl_eigen_herm_alloc (const size_t n)
{
  gsl_eigen_herm_workspace * w ;

  if (n == 0)
    {
      GSL_ERROR_NULL ("matrix dimension must be positive integer", GSL_EINVAL);
    }
  
  w = (gsl_eigen_herm_workspace *) malloc (sizeof(gsl_eigen_herm_workspace));

  if (w == 0)
    {
      GSL_ERROR_NULL ("failed to allocate space for workspace", GSL_ENOMEM);
    }

  w->d = (double *) malloc (n * sizeof (double));

  if (w->d == 0)
    {
      GSL_ERROR_NULL ("failed to allocate space for diagonal", GSL_ENOMEM);
    }

  w->sd = (double *) malloc (n * sizeof (double));

  if (w->sd == 0)
    {
      GSL_ERROR_NULL ("failed to allocate space for subdiagonal", GSL_ENOMEM);
    }

  w->tau = (double *) malloc (2 * n * sizeof (double));

  if (w->tau == 0)
    {
      GSL_ERROR_NULL ("failed to allocate space for tau", GSL_ENOMEM);
    }

  w->size = n;

  return w;
}

开发者ID:Ayato-Harashima，项目名称:CMVS-PMVS，代码行数:42，代码来源:herm.c

注：本文中的GSL_ERROR_NULL函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ GSL_ERROR_NULL函数代码示例

示例1: gsl_odeiv_control_alloc

示例2: gsl_splinalg_itersolve_alloc

示例3: gsl_eigen_gensymm_alloc

示例4: rk2imp_alloc

示例5: gsl_filter_gaussian_alloc

示例6: avl_spmalloc

示例7: gsl_odeiv_control_scaled_new

示例8: gsl_odeiv2_evolve_alloc

示例9: gsl_spmatrix_ptr

示例10: cspline_alloc

示例11: akima_alloc

示例12: gsl_movstat_alloc_with_size

示例13: gsl_eigen_nonsymm_alloc

示例14: gsl_eigen_nonsymmv_alloc

示例15: gsl_odeiv2_driver_alloc_scaled_new

示例16: trust_alloc

示例17: gsl_spmatrix_ccs

示例18: dogleg_alloc

示例19: eulerplus_alloc

示例20: gsl_eigen_herm_alloc

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