arithmetic_fault.h

#ifndef ARITHMETIC_H
#define ARITHMETIC_H
/*TRAPS*/
#define INTEGER_OVERFLOW_TRAP 1			/*and IV in PSW must be set*/
#define INTEGER_DIVIDE_BY_ZERO_TRAP 2	
#define FLOATING_OVERFLOW_TRAP 3		
#define DECIMAL_DIVIDE_BY_ZERO_TRAP 4
#define FLOATING_UNDERFLOW_TRAP 5		/*and FU in PSW set*/
#define DECIMAL_OVERFLOW_TRAP 6			/*and DV in PSW set*/
#define SUBSCRIPT_RANGE_TRAP 7
/*FAULTS*/
#define FLOATING_OVERFLOW_FAULT 8
#define FLOATING_DIVIDE_BY_ZERO_FAULT 9
#define FLOATING_UNDERFLOW_FAULT 10

extern long floating_underflow;
#endif ARITHMETIC_H