请看如下代码由什么问题？

mizzle

下面代码编译可以通过，但是不能生成曲线，如果把
      
       int degree = 3;
       int periodicity = 0;
       int num_points = NUMBER_POINTS;
     double point1[3] = {-0.0539, 0.0511, 0.0000};
       double point2[3] = {-0.4801, 0.8428, 0.0000};
       double point3[3] = {2.0000, 0.9000, 3.5956};
       double point4[3] = {2.3456, 1.3456, 3.7890};
       double point5[3] = {3.1000, 2.4567, 3.3214};
       double vec[3] = {0.0000,0.0000,0.0000};
       double crvatr[3] = {0.000,0.000,0.000};
  
  UF_CURVE_pt_slope_crvatr_t point_data[NUMBER_POINTS] =
   {  
      {  point1[3],  
        UF_CURVE_SLOPE_NONE,      vec[3],  
    UF_CURVE_CRVATR_NONE,     crvatr[3]  
      },
      {  point2[3],  
         UF_CURVE_SLOPE_NONE,      vec[3],
         UF_CURVE_CRVATR_NONE,    crvatr[3]
      },
      {  point3[3],  
         UF_CURVE_SLOPE_NONE,      vec[3],
         UF_CURVE_CRVATR_NONE,     crvatr[3]
      },
      {  point4[3],  
         UF_CURVE_SLOPE_NONE,      vec[3],  
       UF_CURVE_CRVATR_NONE,     crvatr[3]
      },
      {  point5[3],  
         UF_CURVE_SLOPE_NONE,      vec[3],   
       UF_CURVE_CRVATR_NONE,     crvatr[3]
    
      }
   };
  
  /* Point/slope curve attribute array */
   
  /* Arrays of user's defining point data */
        double parameters[NUMBER_POINTS] = {0.00, 0.89,  1.73,  2.23,  2.85};
  
        int  save_def_data = 1;
        tag_t spline_tag;
  
  /* Create B-spline curve */
        spline_tag_out = UF_CURVE_create_spline_thru_pts(degree,
                                                          periodicity,
                                                          num_points,
                                                      point_data,
                                                          NULL,
                                                          save_def_data,
                                                          [$spline_tag)]

zzz

mizzle