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Subtractive generator: Difference between revisions

Subtractive generator (view source)

Revision as of 12:00, 11 April 2022

7,678 bytes added ,  2 years ago
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→‎{{header|Phix}}: syntax coloured
(Add Rust version)
m (→‎{{header|Phix}}: syntax coloured)
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=={{header|Phix}}==
{{trans|C#}}
<!--<lang Phix>sequence state = repeat(0,55phixonline)-->
<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span>
integer pos
<span style="color: #004080;">sequence</span> <span style="color: #000000;">state</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">repeat</span><span style="color: #0000FF;">(</span><span style="color: #000000;">0</span><span style="color: #0000FF;">,</span><span style="color: #000000;">55</span><span style="color: #0000FF;">)</span>
<span style="color: #004080;">integer</span> <span style="color: #000000;">pos</span>
constant MAX = 1e9
function cap(integer n)
<span style="color: #008080;">constant</span> <span style="color: #000000;">MAX</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">1e9</span>
if n<0 then n += MAX end if
<span style="color: #008080;">function</span> <span style="color: #000000;">cap</span><span style="color: #0000FF;">(</span><span style="color: #004080;">integer</span> <span style="color: #000000;">n</span><span style="color: #0000FF;">)</span>
return n
<span style="color: #008080;">if</span> <span style="color: #000000;">n</span><span style="color: #0000FF;"><</span><span style="color: #000000;">0</span> <span style="color: #008080;">then</span> <span style="color: #000000;">n</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">MAX</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
end function
<span style="color: #008080;">return</span> <span style="color: #000000;">n</span>
 
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
function next()
pos = mod(pos,55)+1
<span style="color: #008080;">function</span> <span style="color: #000000;">next</span><span style="color: #0000FF;">()</span>
integer temp = cap(state[pos]-state[mod(pos+30,55)+1])
<span style="color: #000000;">pos</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">mod</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pos</span><span style="color: #0000FF;">,</span><span style="color: #000000;">55</span><span style="color: #0000FF;">)+</span><span style="color: #000000;">1</span>
state[pos] = temp
<span style="color: #004080;">integer</span> <span style="color: #000000;">temp</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">cap</span><span style="color: #0000FF;">(</span><span style="color: #000000;">state</span><span style="color: #0000FF;">[</span><span style="color: #000000;">pos</span><span style="color: #0000FF;">]-</span><span style="color: #000000;">state</span><span style="color: #0000FF;">[</span><span style="color: #7060A8;">mod</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pos</span><span style="color: #0000FF;">+</span><span style="color: #000000;">30</span><span style="color: #0000FF;">,</span><span style="color: #000000;">55</span><span style="color: #0000FF;">)+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">])</span>
return temp
<span style="color: #000000;">state</span><span style="color: #0000FF;">[</span><span style="color: #000000;">pos</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">temp</span>
end function
<span style="color: #008080;">return</span> <span style="color: #000000;">temp</span>
 
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
procedure init(integer seed)
sequence temp = repeat(0,55)
<span style="color: #008080;">procedure</span> <span style="color: #000000;">init</span><span style="color: #0000FF;">(</span><span style="color: #004080;">integer</span> <span style="color: #000000;">seed</span><span style="color: #0000FF;">)</span>
temp[1] = cap(seed)
<span style="color: #004080;">sequence</span> <span style="color: #000000;">temp</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">repeat</span><span style="color: #0000FF;">(</span><span style="color: #000000;">0</span><span style="color: #0000FF;">,</span><span style="color: #000000;">55</span><span style="color: #0000FF;">)</span>
temp[2] = 1
<span style="color: #000000;">temp</span><span style="color: #0000FF;">[</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">cap</span><span style="color: #0000FF;">(</span><span style="color: #000000;">seed</span><span style="color: #0000FF;">)</span>
for i=3 to 55 do
<span style="color: #000000;">temp</span><span style="color: #0000FF;">[</span><span style="color: #000000;">2</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">1</span>
temp[i] = cap(temp[i-2]-temp[i-1])
<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">3</span> <span style="color: #008080;">to</span> <span style="color: #000000;">55</span> <span style="color: #008080;">do</span>
end for
<span style="color: #000000;">temp</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">cap</span><span style="color: #0000FF;">(</span><span style="color: #000000;">temp</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">-</span><span style="color: #000000;">2</span><span style="color: #0000FF;">]-</span><span style="color: #000000;">temp</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">-</span><span style="color: #000000;">1</span><span style="color: #0000FF;">])</span>
for i=1 to 55 do
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
state[i] = temp[mod(34*i,55)+1]
<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">1</span> <span style="color: #008080;">to</span> <span style="color: #000000;">55</span> <span style="color: #008080;">do</span>
end for
<span style="color: #000000;">state</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">temp</span><span style="color: #0000FF;">[</span><span style="color: #7060A8;">mod</span><span style="color: #0000FF;">(</span><span style="color: #000000;">34</span><span style="color: #0000FF;">*</span><span style="color: #000000;">i</span><span style="color: #0000FF;">,</span><span style="color: #000000;">55</span><span style="color: #0000FF;">)+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span>
pos = 55
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
for i=55 to 219 do
<span style="color: #000000;">pos</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">55</span>
{} = next()
<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">55</span> <span style="color: #008080;">to</span> <span style="color: #000000;">219</span> <span style="color: #008080;">do</span>
end for
<span style="color: #0000FF;">{}</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">next</span><span style="color: #0000FF;">()</span>
end procedure
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
init(292929)
for i=220 to 222 do
<span style="color: #000000;">init</span><span style="color: #0000FF;">(</span><span style="color: #000000;">292929</span><span style="color: #0000FF;">)</span>
printf(1,"%d: %d\n",{i,next()})
<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">220</span> <span style="color: #008080;">to</span> <span style="color: #000000;">222</span> <span style="color: #008080;">do</span>
end for</lang>▼
<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"%d: %d\n"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">i</span><span style="color: #0000FF;">,</span><span style="color: #000000;">next</span><span style="color: #0000FF;">()})</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
▲end for<!--</lang>-->
{{out}}
<pre>
Petelomax
7,820

edits

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