1 files changed, 27 insertions, 0 deletions
diff --git a/CPP/cpp_book/chap5/grade.cpp b/CPP/cpp_book/chap5/grade.cpp
new file mode 100644
index 0000000..0a08217
--- /dev/null
+++ b/CPP/cpp_book/chap5/grade.cpp
@@ -0,0 +1,27 @@
+#include <vector>
+#include "student_info.h"
+#include "median.h"
+#include "grade.h"
+
+double grade(double midterm, double final, double homework)
+{
+	return (midterm * 0.2 +
+		final * 0.4 +
+		homework * 0.4);
+}
+
+/* Overloads above grade() */
+double grade(double midterm, double final, const std::vector<double>& hw)
+{
+	if (hw.size() == 0)
+		throw std::domain_error("Student has no homework");
+
+	return grade(midterm, final, median(hw));
+}
+
+double grade(const StudentInfo& s)
+{
+	return grade(s.midterm, s.final, s.homework);
+}
+
+