15 lines
No EOL
489 B
HLSL
15 lines
No EOL
489 B
HLSL
/*
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contributors: Patricio Gonzalez Vivo
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description: fast approximation to pow()
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use: <float> powFast(<float> x, <float> exp)
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license:
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- Copyright (c) 2021 Patricio Gonzalez Vivo under Prosperity License - https://prosperitylicense.com/versions/3.0.0
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- Copyright (c) 2021 Patricio Gonzalez Vivo under Patron License - https://lygia.xyz/license
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*/
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#ifndef FNC_POWFAST
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#define FNC_POWFAST
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float powFast(const in float a, const in float b) { return a / ((1. - b) * a + b); }
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#endif |