COMP: Replace toddcox-faster by reimplemented toddcox

tc/src/groups.cpp

@@ -0,0 +1,25 @@
+#include <tc/groups.hpp>
+
+#include <fmt/args.h>
+#include <fmt/core.h>
+#include <numeric>
+
+namespace tc {
+    Group<> schlafli(const std::vector<unsigned int> &mults) {
+        Group<> res(mults.size() + 1);
+        for (size_t i = 0; i < mults.size(); ++i) {
+            res.set(i, i + 1, mults[i]);
+        }
+        return res;
+    }
+
+    Group<> vcoxeter(const std::string &symbol, const std::vector<unsigned int> &values) {
+        fmt::dynamic_format_arg_store<fmt::format_context> ds;
+
+        for (const auto &value: values) {
+            ds.push_back(value);
+        }
+
+        return coxeter(fmt::vformat(symbol, ds));
+    }
+}