wozniak@utkux1.utk.edu (Bryon Lape) (11/27/89)
In C, are floating point numbers allowed to hold negative numbers? I am trying to convert a BASIC programme and I must have negative calculations for floating point numbers. So far the fern leaf is not generating. -bryon-
gwyn@smoke.BRL.MIL (Doug Gwyn) (11/30/89)
In article <1404@utkcs2.cs.utk.edu> wozniak@utkux1.utk.edu (Bryon Lape) writes: >In C, are floating point numbers allowed to hold negative numbers? Of course. >I am trying to convert a BASIC programme and I must have negative >calculations for floating point numbers. So far the fern leaf is not >generating. I can't help you with gardening, but in C you need to be careful when converting floating-point to integer type; some implementations truncate toward zero, others toward minus infinity. Also, don't expect the result of a floating-point calculation that "should" be an exact integer value to actually be one. You might get 0.9999999 instead of 1.0000000, and truncation of this will surprise you.