LYGIA Shader Library

normalize (lygia/math/normalize)

this file contains the definition of the normalize function for float2, float3, and float4 types, to match GLSL's behavior.

<float2|float3|float4> normalize(<float2|float3|float4> value);

#ifndef FNC_NORMALIZE
#define FNC_NORMALIZE

#ifndef __CUDACC__
inline float rsqrtf(float x) { return 1.0f / sqrtf(x); }
#endif

inline __host__ __device__ float2 normalize(float2 v) {
    float invLen = rsqrtf(dot(v, v));
    return v * invLen;
}

inline __host__ __device__ float3 normalize(float3 v) {
    float invLen = rsqrtf(dot(v, v));
    return v * invLen;
}

inline __host__ __device__ float4 normalize(float4 v) {
    float invLen = rsqrtf(dot(v, v));
    return v * invLen;
}

#endif

Licenses

• Copyright (c) 2021 Patricio Gonzalez Vivo under Prosperity License - https://prosperitylicense.com/versions/3.0.0
• Copyright (c) 2021 Patricio Gonzalez Vivo under Patron License - https://lygia.xyz/license

LYGIA is dual-licensed under the Prosperity License and the Patron License for sponsors and contributors.

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