Map range: Difference between revisions
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Line 1,371:
<lang frink>inverseMapRange[t, a1, a2, b1, b2] := a1 + a1 b1 (-1 b1 + b2)^-1 + -1 a2 b1 (-1 b1 + b2)^-1 + -1 a1 (-1 b1 + b2)^-1 t + a2 (-1 b1 + b2)^-1 t</lang>
=={{header|
<lang GDScript>func mapRange(s:float, a1:float, a2:float, b1:float, b2:float) -> float :▼
return b1 + ((b2-b1)/(a2-a1))*(s-a1)▼
for i in 11 :▼
print( "%2d %+.1f" % [i,mapRange(i,0.0,10.0,-1.0,0.0)] )▼
</lang>▼
{{out}}▼
<pre>▼
0 -1.0▼
1 -0.9▼
2 -0.8▼
3 -0.7▼
4 -0.6▼
5 -0.5▼
6 -0.4▼
7 -0.3▼
8 -0.2▼
9 -0.1▼
10 +0.0▼
</pre>▼
=={{header|Go}}==▼
<lang futurebasic>
include "NSLog.incl"
Line 1,425 ⟶ 1,401:
</pre>
=={{header|
▲<lang GDScript>func mapRange(s:float, a1:float, a2:float, b1:float, b2:float) -> float :
▲ return b1 + ((b2-b1)/(a2-a1))*(s-a1)
▲for i in 11 :
▲ print( "%2d %+.1f" % [i,mapRange(i,0.0,10.0,-1.0,0.0)] )
▲</lang>
▲{{out}}
▲<pre>
▲ 0 -1.0
▲ 1 -0.9
▲ 2 -0.8
▲ 3 -0.7
▲ 4 -0.6
▲ 5 -0.5
▲ 6 -0.4
▲ 7 -0.3
▲ 8 -0.2
▲ 9 -0.1
▲10 +0.0
▲</pre>
▲=={{header|Go}}==
<lang futurebasic>
include "NSLog.incl"
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10 maps to 0.0
</pre>
=={{header|Go}}==
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