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authorClaudius "keldu" Holeksa <mail@keldu.de>2026-07-05 15:59:23 +0200
committerClaudius "keldu" Holeksa <mail@keldu.de>2026-07-05 15:59:23 +0200
commitc0549d71b2109f10c1238db8b22362e7826ba61b (patch)
tree16cd5264fcc3afe912e1b1b67738c8940d6d1177 /modules/core/c++/particle/blur.hpp
parent9a3147bc79caf3c0fb1a9cdee29d156b5ff092c7 (diff)
downloadlibs-lbm-c0549d71b2109f10c1238db8b22362e7826ba61b.tar.gz
Just rename from lib to modules
Diffstat (limited to 'modules/core/c++/particle/blur.hpp')
-rw-r--r--modules/core/c++/particle/blur.hpp37
1 files changed, 37 insertions, 0 deletions
diff --git a/modules/core/c++/particle/blur.hpp b/modules/core/c++/particle/blur.hpp
new file mode 100644
index 0000000..b7a1988
--- /dev/null
+++ b/modules/core/c++/particle/blur.hpp
@@ -0,0 +1,37 @@
+#pragma once
+
+namespace kel {
+namespace lbm {
+template<typename T, uint64_t D>
+void blur_mask(saw::data<sch::Array<T,D>>& p_mask){
+
+ saw::data<T> mid{2.0/3.0};
+ saw::data<T> edge{1.0/6.0};
+
+ // saw::data<sch::FixedArray<sch::UInt64>,2u> blur_weights{{2.0/3.0},{1.0/6.0}};
+
+ auto meta = p_mask.dims();
+ saw::data<sch::Array<T,D>> blurred_mask{meta};
+
+ /* 1D blur into N-D Blur*/
+ for(saw::data<sch::UInt64> i{0u}; i < saw::data<sch::UInt64>{D}; ++i){
+ iterator<D>::apply([&](const auto& index){
+ blurred_mask.at(index) = p_mask.at(index) * mid;
+
+ if(index.at({i}).get() > 0u){
+ auto l_ind = index;
+ l_ind.at({i}) = ind.at({i}) - 1u;
+ blurred_mask.at(index) = blurred_mask.at(index) + p_mask.at(l_ind) * edge;
+ }
+ if((index.at({i}).get() + 1u) < meta.at({i})){
+ auto r_ind = index;
+ r_ind.at({i}) = ind.at({i}) + 1u;
+ blurred_mask.at(index) = blurred_mask.at(index) + p_mask.at(r_ind) * edge;
+ }
+ },{},meta);
+
+ p_mask = blurred_mask;
+ }
+}
+}
+}