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Fix off by one error in drawing #3368

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Merged
amin1377 merged 1 commit into from
Dec 11, 2025
+2 −2
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Fix off by one error in drawing #3368

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4 changes: 2 additions & 2 deletions vpr/src/draw/draw.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -535,14 +535,14 @@ void init_draw_coords(float clb_width, const BlkLocRegistry& blk_loc_registry) {
size_t j = 0;
for (size_t i = 0; i < grid.width() - 1; i++) {
draw_coords->tile_x[i] = i * draw_coords->get_tile_width() + j;
j += max_chany_ptc_nums[i] + 1; // N wires need N+1 units of space
j += max_chany_ptc_nums[i] + 2; // N wires need N + 1 units of space, plus one more since max ptc_num of 0 means 1 wire in the channel
}
draw_coords->tile_x[grid.width() - 1] = (grid.width() - 1) * draw_coords->get_tile_width() + j;

j = 0;
for (size_t i = 0; i < grid.height() - 1; ++i) {
draw_coords->tile_y[i] = i * draw_coords->get_tile_width() + j;
j += max_chanx_ptc_nums[i] + 1;
j += max_chanx_ptc_nums[i] + 2;
}
draw_coords->tile_y[grid.height() - 1] = (grid.height() - 1) * draw_coords->get_tile_width() + j;

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