unimore/hpc-2022-g3
unimore/hpc-2022-g3
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Reformat code

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Co-authored-by: Stefano Pigozzi <me@steffo.eu>
Co-authored-by: Fabio Zanichelli <ZukkerinoSugar@users.noreply.github.com>
This commit is contained in:
Gattopandacorno 2022-12-19 09:30:44 +01:00
parent 7cab92df26
commit 585fce92d0
1 changed files with 9 additions and 2 deletions
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11
hls/assignment/sobel/sobel.cpp
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@ -3,13 +3,19 @@
void sobel(uint8_t *__restrict__ out, uint8_t *__restrict__ in, int width, int height) void sobel(uint8_t *__restrict__ out, uint8_t *__restrict__ in, int width, int height)
{ {
int sobelFilter[3][3] = {{-1, 0, 1}, {-2, 0, 2}, {-1, 0, 1}}; int sobelFilter[3][3] = {
{-1, 0, 1},
{-2, 0, 2},
{-1, 0, 1}
};
for (int y = 1; y < height - 1; y++) for (int y = 1; y < height - 1; y++)
{ {
for (int x = 1; x < width - 1; x++) for (int x = 1; x < width - 1; x++)
{ {
int dx = 0, dy = 0; int dx = 0;
int dy = 0;
for (int k = 0; k < 3; k++) for (int k = 0; k < 3; k++)
{ {
for (int z = 0; z < 3; z++) for (int z = 0; z < 3; z++)
@ -18,6 +24,7 @@ void sobel(uint8_t *__restrict__ out, uint8_t *__restrict__ in, int width, int h
dy += sobelFilter[z][k] * in[(y + k - 1) * width + x + z - 1]; dy += sobelFilter[z][k] * in[(y + k - 1) * width + x + z - 1];
} }
} }
out[y * width + x] = sqrt((float)((dx * dx) + (dy * dy))); out[y * width + x] = sqrt((float)((dx * dx) + (dy * dy)));
} }
} }