D1mach D1mach_sub Dlamch Dlamch_sub I1mach I1mach_sub R1mach R1mach_sub Slamch Slamch_sub

I1mach() Function I1mach ( I As  Long ) Machine parameters (integer machine dependent constants) Purpose Provides the integer machine dependent constants. Returns Long The value specified by I. (0 will be returned if I is invalid.) Parameters [in] I Specifies the value to be returned. Words: = 5: Number of bits per integer storage unit = 6: Number of characters per integer storage unit Integers: = 7: A, the base = 8: S, the number of base-A digits = 9: A^S - 1, the largest magnitude Floating point numbers: = 10: B, the base Single precision: = 11: t, the number of base-B digits = 12: L, the smallest exponent e = 13: U, the largest exponent e Double precision: = 14: t, the number of base-B digits = 15: L, the smallest exponent e = 16: U, the largest exponent e Reference SLATEC