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| author | Stan Seibert <stan@mtrr.org> | 2011-09-08 11:38:18 -0400 |
|---|---|---|
| committer | Stan Seibert <stan@mtrr.org> | 2011-09-08 11:38:18 -0400 |
| commit | 3defeae5de899b315928f1b518fe2ff75662d430 (patch) | |
| tree | eefd3114a10284db2eaec4d2b6358ba1c97bb965 /src/transform.cu | |
| parent | 7cae8c3b343d1bde0320ff2ea224cc1ef79889df (diff) | |
| parent | c7c161179a0a26dc9b4e3acdbc61a48803fa00e7 (diff) | |
| download | chroma-3defeae5de899b315928f1b518fe2ff75662d430.tar.gz chroma-3defeae5de899b315928f1b518fe2ff75662d430.tar.bz2 chroma-3defeae5de899b315928f1b518fe2ff75662d430.zip | |
merge
Diffstat (limited to 'src/transform.cu')
| -rw-r--r-- | src/transform.cu | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/src/transform.cu b/src/transform.cu index 57bd509..1f4405e 100644 --- a/src/transform.cu +++ b/src/transform.cu @@ -7,41 +7,45 @@ extern "C" { /* Translate the points `a` by the vector `v` */ -__global__ void translate(int nthreads, float3 *a, float3 v) +__global__ void +translate(int nthreads, float3 *a, float3 v) { - int id = blockIdx.x*blockDim.x + threadIdx.x; + int id = blockIdx.x*blockDim.x + threadIdx.x; - if (id >= nthreads) - return; + if (id >= nthreads) + return; - a[id] += v; + a[id] += v; } /* Rotate the points `a` through an angle `phi` counter-clockwise about the axis `axis` (when looking towards +infinity). */ -__global__ void rotate(int nthreads, float3 *a, float phi, float3 axis) +__global__ void +rotate(int nthreads, float3 *a, float phi, float3 axis) { - int id = blockIdx.x*blockDim.x + threadIdx.x; + int id = blockIdx.x*blockDim.x + threadIdx.x; - if (id >= nthreads) - return; + if (id >= nthreads) + return; - a[id] = rotate(a[id], phi, axis); + a[id] = rotate(a[id], phi, axis); } /* Rotate the points `a` through an angle `phi` counter-clockwise (when looking towards +infinity along `axis`) about the axis defined by the point `point` and the vector `axis` . */ -__global__ void rotate_around_point(int nthreads, float3 *a, float phi, float3 axis, float3 point) +__global__ void +rotate_around_point(int nthreads, float3 *a, float phi, float3 axis, + float3 point) { - int id = blockIdx.x*blockDim.x + threadIdx.x; + int id = blockIdx.x*blockDim.x + threadIdx.x; - if (id >= nthreads) - return; + if (id >= nthreads) + return; - a[id] -= point; - a[id] = rotate(a[id], phi, axis); - a[id] += point; + a[id] -= point; + a[id] = rotate(a[id], phi, axis); + a[id] += point; } } // extern "c" |