diff options
| author | Kester Maddock <Christopher.Maddock.1@uni.massey.ac.nz> | 2005-01-09 03:06:45 +0300 |
|---|---|---|
| committer | Kester Maddock <Christopher.Maddock.1@uni.massey.ac.nz> | 2005-01-09 03:06:45 +0300 |
| commit | 4f2e57a5410c13ccf63532cdc0e67a299ba2410d (patch) | |
| tree | f011ee91f8853be13d3af63b15aed27fb1f54c32 /intern/moto/include/MT_Scalar.h | |
| parent | 5ea2ed38e76c5da7b801d77f659567784f6c7390 (diff) | |
Fix bug #2006:
Floating point imprecision made MT_Quaternion::angle return NaN, since acos(x) is NaN for |x| > 1.
Because of the way NaN's propagate through float math, the view pos would be set to [NaN, NaN, NaN] resulting in a grey screen.
Diffstat (limited to 'intern/moto/include/MT_Scalar.h')
| -rwxr-xr-x | intern/moto/include/MT_Scalar.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/intern/moto/include/MT_Scalar.h b/intern/moto/include/MT_Scalar.h index 0a72a52c20e..6ee0948f244 100755 --- a/intern/moto/include/MT_Scalar.h +++ b/intern/moto/include/MT_Scalar.h @@ -83,5 +83,13 @@ inline MT_Scalar MT_random() { return MT_Scalar(MT_rand()) / MT_Scalar(MT_RAND_MAX); } +inline MT_Scalar MT_clamp(const MT_Scalar x, const MT_Scalar min, const MT_Scalar max) +{ + if (x < min) + return min; + else if (x > max) + return max; + return x; +} #endif |