exponentmax program

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• Pascal source code: exponentmax.p (wget instructions)
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Documentation for the exponentmax program is below, with links to related programs in the "see also" section.

{   version = 1.00; (* of exponentmax.p 2006 Nov 20}

(* begin module describe.exponentmax *)
(*
name
   exponentmax: determine the largest argument of the exp() function

synopsis
   exponentmax(output: out)

files

   output: messages to the user

description

   At some value of x, exp(-x) is too large for a particular computer.
   Determine the value.  The program will crash at that point.

examples

   For the GPC compiler on a SunBlade 2000,

exponentmax 1.00
x =    1, exp(-x) =  3.679e-01
x =    2, exp(-x) =  1.353e-01
x =    3, exp(-x) =  4.979e-02
...
x =  743, exp(-x) =  1.98e-323
x =  744, exp(-x) =  9.88e-324
x =  745, exp(-x) =  4.94e-324
./exponentmax: error in exponentiation (Result too large) (error #700 at 180f3)

documentation

see also

   higa.p

author

   Thomas Dana Schneider

bugs

technical notes

*)
(* end module describe.exponentmax *)
{This manual page was created by makman 1.45}