[Openmcl-devel] representing infinity
Gary King
gwking at cs.umass.edu
Fri Mar 19 14:19:55 PST 2004
Is there a way in OpenMCL to represent IEEE positive and negative
infinity? An apropos on NAN gives me (among other things):
CCL::IEEE-DOUBLE-FLOAT-SIGNALLING-NAN-BIT, Value: 51
CCL::IEEE-SINGLE-FLOAT-SIGNALLING-NAN-BIT, Value: 22
CCL::NAN-OR-INFINITY-P, Def: FUNCTION
CCL::NANNING
CCL::PRINT-A-NAN, Def: FUNCTION
and one on "INFINITY" gives:
CCL::INFINITY-P, Def: FUNCTION
This is promising but even after looking at the source code it's not
clear to me how to produce something such that (infinity-p <something>)
returns t.
Thanks,
--
Gary Warren King, Lab Manager
EKSL East, University of Massachusetts * 413 577 0176
We have lingered in the chambers of the sea
By the sea-girls wreathed with seaweed red and brown
Till human voices wake us, and we drown.
-- T.S. Eliot, The love song of J. Alfred Prufrock
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