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-rw-r--r--utils/lbfgs.h20
1 files changed, 0 insertions, 20 deletions
diff --git a/utils/lbfgs.h b/utils/lbfgs.h
deleted file mode 100644
index 4d706f7a..00000000
--- a/utils/lbfgs.h
+++ /dev/null
@@ -1,20 +0,0 @@
-#ifndef _LBFGS_H_
-#define _LBFGS_H_
-
-#include <vector>
-
-// template<class FuncGrad>
-// std::vector<double>
-// perform_LBFGS(FuncGrad func_grad, const std::vector<double> & x0);
-
-std::vector<double> perform_LBFGS(
- double (*func_grad)(const std::vector<double> &, std::vector<double> &),
- const std::vector<double> &x0);
-
-std::vector<double> perform_OWLQN(
- double (*func_grad)(const std::vector<double> &, std::vector<double> &),
- const std::vector<double> &x0, const double C);
-
-const int LBFGS_M = 10;
-
-#endif