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Simplified is_nan()

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Revar Desmera 2020-02-07 01:58:45 -08:00
parent ba032e2f4d
commit a78973187a
2 changed files with 2 additions and 6 deletions
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6
common.scad
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@ -78,11 +78,7 @@ function is_integer(n) = is_num(n) && n == round(n);
// is_nan(x); // is_nan(x);
// Description: // Description:
// Returns true if a given value `x` is nan, a floating point value representing "not a number". // Returns true if a given value `x` is nan, a floating point value representing "not a number".
// This test is far more complicated than it should be, because while arguable correct, the tests function is_nan(x) = (x!=x);
// `is_num(nan)` and `nan==nan` both returns false.
function is_nan(x) =
!is_num(x) && !is_undef(x) && !is_string(x) &&
!is_list(x) && !(x<=INF) && is_undef(x[0]);

2
version.scad
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@ -8,7 +8,7 @@
////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////
BOSL_VERSION = [2,0,117]; BOSL_VERSION = [2,0,118];
// Section: BOSL Library Version Functions // Section: BOSL Library Version Functions