void ermor(STRING,byte);
void ermsg(STRING,long,long,STRING,byte);
void ierm1(STRING,long,long,STRING,STRING,long,byte);
void ierv1(STRING,long,byte);
float sdot(long,float[],long,float[],long);
void shfti(float*,long,long,long,float*,long,long,
	float,long*,float[],float[],long[]);
void shtcc(long,long,long,long,float[],float*,float[],
	long,long);
void shtgen(long,long,long,long,float[],long,LOGICAL32,
	float*,float[],long,long,LOGICAL32);
float snrm2(long,float[],long);