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| author | Stan Seibert <stan@mtrr.org> | 2011-09-19 14:36:13 -0400 |
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| committer | Stan Seibert <stan@mtrr.org> | 2011-09-19 14:36:13 -0400 |
| commit | a21b05e4727403e2e061234289af9e60e6022e5a (patch) | |
| tree | 7a7d4c5809c370f3e542cfc8cb0bec7c2e4f5cdc /src/rotate.h | |
| parent | cfecff941fc619eb7269128afc62d9c11ae78aff (diff) | |
| parent | a38c56ff1e268298568077af7f03c8ac64c6fb82 (diff) | |
| download | chroma-a21b05e4727403e2e061234289af9e60e6022e5a.tar.gz chroma-a21b05e4727403e2e061234289af9e60e6022e5a.tar.bz2 chroma-a21b05e4727403e2e061234289af9e60e6022e5a.zip | |
merge relayout branch
Diffstat (limited to 'src/rotate.h')
| -rw-r--r-- | src/rotate.h | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/src/rotate.h b/src/rotate.h deleted file mode 100644 index 15f8037..0000000 --- a/src/rotate.h +++ /dev/null @@ -1,27 +0,0 @@ -#ifndef __ROTATE_H__ -#define __ROTATE_H__ - -#include "linalg.h" -#include "matrix.h" - -__device__ const Matrix IDENTITY_MATRIX = {1,0,0,0,1,0,0,0,1}; - -__device__ Matrix -make_rotation_matrix(float phi, const float3 &n) -{ - float cos_phi = cosf(phi); - float sin_phi = sinf(phi); - - return IDENTITY_MATRIX*cos_phi + (1-cos_phi)*outer(n,n) + - sin_phi*make_matrix(0,n.z,-n.y,-n.z,0,n.x,n.y,-n.x,0); -} - -/* rotate points counterclockwise, when looking towards +infinity, - through an angle `phi` about the axis `n`. */ -__device__ float3 -rotate(const float3 &a, float phi, const float3 &n) -{ - return make_rotation_matrix(phi,n)*a; -} - -#endif |