application/octet-stream
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1010 B
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58 lines
[def PI [const 3.14159]]
[def π [const 3.14159]]
[def ++ [λ [i]
"[+ I 1]"
[+ i 1]
]]
[def -- [λ [i]
"[- I 1]"
[- i 1]
]]
[def >> [λ [val amount]
"Shifts VAL by AMOUNT bits to the right"
[ash val [- amount]]
]]
[def min [let []
[def iter [λ [a l]
[cond [[nil? l] a]
[[< a [car l]] [iter a [cdr l]]]
[#t [iter [car l] [cdr l]]]
]
]]
[λ [...l]
"Returns the minimum value of its arguments"
[cond [[nil? ...l] 0]
[[nil? [cdr ...l]] [car ...l]]
[#t [iter [car ...l] [cdr ...l]]]
]
]
]]
[def max [let []
[def iter [λ [a l]
[cond [[nil? l] a]
[[> a [car l]] [iter a [cdr l]]]
[#t [iter [car l] [cdr l]]]
]
]]
[λ [...l]
"Returns the maximum value of its arguments"
[cond [[nil? ...l] 0]
[[nil? [cdr ...l]] [car ...l]]
[#t [iter [car ...l] [cdr ...l]]]
]
]
]]
[def fib [λ [i]
"Terribly inefficient, but useful for testing the GC"
[if [< i 2]
i
[+ [fib [- i 2]] [fib [- i 1]]]]
]]
