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1ecf7f9c8a
SRFI-144 requires that (flmin) returns +inf.0 and that (flmax) returns -inf.0, so these procedures can't really be aliases to the Chibi implementation of R7RS max and min.
49 lines
1.1 KiB
Scheme
49 lines
1.1 KiB
Scheme
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(define fl=? =)
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(define fl<? <)
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(define fl>? >)
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(define fl<=? <=)
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(define fl>=? >=)
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(define flodd? odd?)
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(define fleven? even?)
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(define (flunordered? x y) (or (flnan? x) (flnan? y)))
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(define flinteger? integer?)
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(define flzero? zero?)
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(define flpositive? positive?)
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(define flnegative? negative?)
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(define flonum exact->inexact)
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(define fl+ +)
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(define fl- -)
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(define fl* *)
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(define fl/ /)
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(define (flmax . args) (if (null? args) -inf.0 (apply max args)))
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(define (flmin . args) (if (null? args) +inf.0 (apply min args)))
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(define (flabsdiff x y) (abs (- x y)))
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(define flnumerator numerator)
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(define fldenominator denominator)
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(define flround round)
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(define (flsquare x) (fl* x x))
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(define (flsgn x) (flcopysign 1.0 x))
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(define (fldenormalized? x)
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(eqv? FP_SUBNORMAL (fpclassify x)))
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(define (flatan x . o)
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(if (pair? o)
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(flatan2 x (car o))
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(flatan1 x)))
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(define (flinteger-fraction x)
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(let ((ls (modf x))) (values (cadr ls) (car ls))))
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(define (flnormalized-fraction-exponent x)
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(apply values (frexp x)))
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(define (flremquo x y)
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(apply values (remquo x y)))
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(define (flloggamma x)
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(apply values (lgamma_r x)))
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