void sivset(long,long[],long,long,float[]);
void snlsgb(long,long,long,float[],float[][2],float[],float[],
          void(*)(long,long,long,float[],long*,float[]),
          void(*)(long,long,long,float[],long*,float[]),long*,long,long[],long,long,float[]);
void srnsgb(float*,float[],float[][2],float[],float*,long[][2],long[],
	long,long,long,long,long,long,long,
	long,float[],float[]);