void da7sst(long[],long,long,double[]);
double dd7tpr(long,double[],double[]);
void dd7upd(double[],double*,long[],long,long,long,long,
	long,long,long,double[]);
void dg7qts(double[],double[],double[],long*,double[],long,double[],
	double[],double[]);
void ditsum(double[],double[],long[],long,long,long,double[],
	double[]);
void divset(long,long[],long,long,double[]);
void dl7itv(long,double[],double[],double[]);
void dl7ivm(long,double[],double[],double[]);
void dl7mst(double[],double[],long,long[],long*,long,double[],
	double[],double[],double[],double[]);
void dl7sqr(long,double[],double[]);
void dl7srt(long,long,double[],double[],long*);
double dl7svn(long,double[],double[],double[]);
double dl7svx(long,double[],double[],double[]);
void dl7tvm(long,double[],double[],double[]);
void dl7vml(long,double[],double[],double[]);
void dparck(long,double[],long[],long,long,long,double[]);
void dq7apl(long,long,long,double*,double[],long);
void dq7rad(long,long,long,double[],LOGICAL32,double[],double*,
	double[]);
double dr7mdc(long);
double drldst(long,double[],double[],double[]);
void ds7lup(double[],double,long,double,double[],double[],double[],
	double[],double*,double[]);
void ds7lvm(long,double[],double[],double[]);
void dv2axy(long,double[],double,double[],double[]);
double dv2nrm(long,double[]);
void dv7cpy(long,double[],double[]);
void dv7dfl(long,long,double[]);
void dv7scl(long,double[],double,double[]);
void dv7scp(long,double[],double);