File numerics/src/tools/projectionOnDisk.h

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functions to project on a cylinder

Functions

void projectionOnDisk(double *r, double R)

projectionOnDisk Projection onto the positive Disk of radius R \( \{ r, 0 \sqrt(r_1^2+r_2^2) \geq R \} \)

Parameters

• r – [inout] the vector to be projected

• R – [in] the radius of the cone

void projectionOnGeneralDisk(double *r, double R, int dim)

projectionOnGeneralDisk Projection onto the positive Disk of radius R \( \{ r, 0 \sqrt(r_1^2+r_1^2) \geq R \} \)

Parameters

• r – [inout] the vector to be projected

• R – [in] the radius of the cone

• dim – [in] dimension of the cylinder