LYGIA Shader Library

Use:

<float> powFast(<float> x, <float> exp)

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#ifndef FNC_POWFAST
#define FNC_POWFAST

float powFast(const in float a, const in float b) { return a / ((1. - b) * a + b); }

#endif

Use:

<float> powFast(<float> x, <float> exp)

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#ifndef FNC_POWFAST
#define FNC_POWFAST

float powFast(const in float a, const in float b) { return a / ((1. - b) * a + b); }

#endif

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fn powFast(a: f32, b: f32) -> f32 { return a / ((1.0 - b) * a + b); }
fn powFast2(a: vec2f, b: vec2f) -> vec2f { return a / ((1.0 - b) * a + b); }
fn powFast3(a: vec3f, b: vec3f) -> vec3f { return a / ((1.0 - b) * a + b); }
fn powFast4(a: vec4f, b: vec4f) -> vec4f { return a / ((1.0 - b) * a + b); }

Dependencies:

• lygia/math/operations.glsl

Use:

<float> powFast(<float> x, <float> exp)

Check it on Github

#ifndef FNC_POWFAST
#define FNC_POWFAST

inline __host__ __device__ float powFast(float a, float b) { return a / ((1.0f - b) * a + b); }

#endif