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sin, cos, tan, asin, acos, and atan now support rational numbers.

This commit is contained in:
Abdulaziz Ghuloum 2008-03-03 13:49:47 -05:00
parent 5210f1448b
commit 8f0b606609
2 changed files with 13 additions and 7 deletions
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18
scheme/ikarus.numerics.ss
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@ -1873,42 +1873,48 @@
(cond
[(flonum? x) (foreign-call "ikrt_fl_sin" x)]
[(fixnum? x) (foreign-call "ikrt_fx_sin" x)]
[else (die 'sin "BUG: unsupported" x)])))
[(number? x) (sin (inexact x))]
[else (die 'sin "not a number" x)])))
(define cos
(lambda (x)
(cond
[(flonum? x) (foreign-call "ikrt_fl_cos" x)]
[(fixnum? x) (foreign-call "ikrt_fx_cos" x)]
[else (die 'cos "BUG: unsupported" x)])))
[(number? x) (cos (inexact x))]
[else (die 'cos "not a number" x)])))
(define tan
(lambda (x)
(cond
[(flonum? x) (foreign-call "ikrt_fl_tan" x)]
[(fixnum? x) (foreign-call "ikrt_fx_tan" x)]
[else (die 'tan "BUG: unsupported" x)])))
[(number? x) (tan (inexact x))]
[else (die 'tan "not a number" x)])))
(define asin
(lambda (x)
(cond
[(flonum? x) (foreign-call "ikrt_fl_asin" x)]
[(fixnum? x) (foreign-call "ikrt_fx_asin" x)]
[else (die 'asin "BUG: unsupported" x)])))
[(number? x) (asin (inexact x))]
[else (die 'asin "not a number" x)])))
(define acos
(lambda (x)
(cond
[(flonum? x) (foreign-call "ikrt_fl_acos" x)]
[(fixnum? x) (foreign-call "ikrt_fx_acos" x)]
[else (die 'acos "BUG: unsupported" x)])))
[(number? x) (acos (inexact x))]
[else (die 'acos "not a number" x)])))
(define atan
(lambda (x)
(cond
[(flonum? x) (foreign-call "ikrt_fl_atan" x)]
[(fixnum? x) (foreign-call "ikrt_fx_atan" x)]
[else (die 'atan "BUG: unsupported" x)])))
[(number? x) (atan (inexact x))]
[else (die 'atan "not a number" x)])))
(define sqrt
(lambda (x)

2
scheme/last-revision
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@ -1 +1 @@
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