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add tangens function

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mfranz 2009-03-25 17:52:43 +00:00
parent 7ef387cc0a
commit d1df1132c6
1 changed files with 2 additions and 0 deletions
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Nasal/math.nas
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@ -11,5 +11,7 @@ var asin = func(y) { atan2(y, sqrt(1-y*y)) }
var acos = func(x) { atan2(sqrt(1-x*x), x) }
var tan = func(x) sin(x) / (cos(x) or die("tangens infinity"));
var _iln10 = 1/ln(10);
var log10 = func(x) { ln(x) * _iln10; }