LYGIA Shader Library

dot (lygia/math/dot)

Dependencies:

Check it on Github


////////////////////////////////////////////////////////////////////////////////
// dot product
////////////////////////////////////////////////////////////////////////////////

#ifndef FNC_DOT
#define FNC_DOT

inline __host__ __device__ float dot(float2 a, float2 b) { return a.x * b.x + a.y * b.y; }
inline __host__ __device__ float dot(float3 a, float3 b) { return a.x * b.x + a.y * b.y + a.z * b.z; }
inline __host__ __device__ float dot(float4 a, float4 b) { return a.x * b.x + a.y * b.y + a.z * b.z + a.w * b.w; }

inline __host__ __device__ int dot(int2 a, int2 b) { return a.x * b.x + a.y * b.y; }
inline __host__ __device__ int dot(int3 a, int3 b) { return a.x * b.x + a.y * b.y + a.z * b.z; }
inline __host__ __device__ int dot(int4 a, int4 b) { return a.x * b.x + a.y * b.y + a.z * b.z + a.w * b.w; }

inline __host__ __device__ uint dot(uint2 a, uint2 b) { return a.x * b.x + a.y * b.y; }
inline __host__ __device__ uint dot(uint3 a, uint3 b) { return a.x * b.x + a.y * b.y + a.z * b.z; }
inline __host__ __device__ uint dot(uint4 a, uint4 b) { return a.x * b.x + a.y * b.y + a.z * b.z + a.w * b.w; }

#endif

License

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

Sponsors and contributors are automatically added to the Patron License and they can ignore the any non-commercial rule of the Prosperity Licensed software (please take a look to the exception).

It's also possible to get a permanent comercial license hook to a single and specific version of LYGIA.

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