From a7d1db2f9fd3c669768d52a2cf6a89598b96b28a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kevin=20H=C3=B6llring?= <kevin.hoellring@fau.de>
Date: Mon, 25 Nov 2019 01:51:53 +0100
Subject: [PATCH] Add lambda wrapper from exercise 3
---
include/lambda_wrapper.h | 38 ++++++++++++++++++++++++++++++++++++++
1 file changed, 38 insertions(+)
create mode 100644 include/lambda_wrapper.h
diff --git a/include/lambda_wrapper.h b/include/lambda_wrapper.h
new file mode 100644
index 0000000..9c0eda0
--- /dev/null
+++ b/include/lambda_wrapper.h
@@ -0,0 +1,38 @@
+#ifndef __LAMBDA_WRAPPER_H__
+#define __LAMBDA_WRAPPER_H__
+
+#include <cassert>
+#include <vector>
+
+#include <cmath>
+#include <cstdint>
+#include <iostream>
+#include "function.h"
+#include <functional>
+
+namespace numerics {
+
+ template <typename argtype, typename valtype>
+ class LambdaWrapper : public Function<argtype, valtype> {
+ public:
+ LambdaWrapper(std::function<valtype(argtype)> func, size_t indim, size_t outdim) : input_dim(indim), output_dim(outdim), f(func) {}
+
+ virtual valtype operator()(argtype arg) const override {
+ return f(arg);
+ };
+
+ virtual size_t input_dimension() const override {
+ return input_dim;
+ }
+
+ virtual size_t output_dimension() const override {
+ return output_dim;
+ }
+ protected:
+ size_t input_dim, output_dim;
+ std::function < valtype(argtype)> f;
+ };
+
+}; // namespace numerics
+
+#endif
--
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