Revision 9f5eba09
Added by Leszek Koltunski over 8 years ago
| build.gradle | ||
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apply plugin: 'com.android.application' |
| 2 | 2 |
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android {
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compileSdkVersion 22
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compileSdkVersion 23
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| 5 | 5 |
buildToolsVersion "23.0.3" |
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| 7 | 7 |
defaultConfig {
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Also available in: Unified diff
Correct an important bug in the vertex shader.
b = 1/a if a!=0, 1 otherwise was incorrectly computed as b = 1.0 / (a+1.0-sign(a)). This, when 0<a<2^-24, suffers from 'round-off error': then a+1.0 = 1.0 (sic!) thus b = 1/0 !.
Correct way: b = 1.0 / ( a - (sign(a)-1.0) )