foo_out_sdl: foosdk/sdk/pfc/stdsort.h comparison

*: check in everything else yay

comparison

equal deleted inserted replaced

-:e9bb126753e7
+:20d02a178406
+#pragma once
+// OPTIONAL pfc feature, include on need to use basis
+// std sort interop methods
+#include <algorithm>
+#include <functional>
+#include <vector>
+namespace pfc {
+	std::vector<size_t> sort_identity( size_t count ) {
+		std::vector<size_t> ret; ret.resize(count);
+		for( size_t walk = 0; walk < ret.size(); ++ walk) ret[walk] = walk;
+		return ret;
+	}
+	template<typename iterator_t, typename predicate_t>
+	std::vector<size_t> sort_get_order(iterator_t i1, iterator_t i2, predicate_t pred ) {
+		auto ret = sort_identity( i2 - i1 );
+		auto pred2 = [pred, i1] (size_t idx1, size_t idx2) {
+			return pred( *(i1+idx1), *(i1+idx2));
+		};
+		std::sort(ret.begin(), ret.end(), pred2);
+		return ret;
+	}
+}

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