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note inf? / nan? domain in NEWS

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* NEWS: Add NEWS entry.
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Mark H Weaver 2011-01-28 13:51:37 +01:00 • committed by Andy Wingo
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7
NEWS
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@ -25,6 +25,13 @@ integer-expt. This is more correct, and conforming to R6RS, but seems
to be incompatible with R5RS, which would return 0 for all non-zero
values of N.
*** `inf?' and `nan?' now throw exceptions for non-reals
The domain of `inf?' and `nan?' is the real numbers. Guile now signals
an error when a non-real number or non-number is passed to these
procedures. (Note that NaNs _are_ considered numbers by scheme, despite
their name).
*** New procedure: `finite?'
Add scm_finite_p `finite?' from R6RS to guile core, which returns #t