mirror of
https://github.com/ashinn/chibi-scheme.git
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48 lines
1,012 B
Scheme
48 lines
1,012 B
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 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 max)
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(define flmin min)
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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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