By Michael A. Malcolm
Communications of the ACM,
Vol. 15 No. 11, Pages 949-951
Two algorithms are presented in the form of Fortran subroutines. Each subroutine computes the radix and number of digits of the floating-point numbers and whether rounding or chopping is done by the machine on which it is run. The methods are shown to work on any “reasonable” floating-point computer.
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