LYGIA Shader Library

powFast (`lygia`/`v1.1.6`/`math`/`powFast`)

fast approximation to pow()

Use:

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


#ifndef FNC_POWFAST
#define FNC_POWFAST

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

#endif

Use:

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


#ifndef FNC_POWFAST
#define FNC_POWFAST

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

#endif

Dependencies:

Use:

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



#ifndef FNC_POWFAST
#define FNC_POWFAST

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

#endif

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