added 110 prak

1 files changed, 41 insertions, 0 deletions

diff --git a/110/main.cpp b/110/main.cpp
new file mode 100644
index 0000000..3ce0d0b
--- /dev/null
+++ b/110/main.cpp
@@ -0,0 +1,41 @@
+#include <iostream>
+
+#include "include/praktable.hpp"
+
+using table = prak::table<double>;
+using vecarg = const std::vector<f64> &;
+table data;
+
+f64 get(std::string key) {
+	return data[key, 0];
+}
+
+// [0] = x0
+f64 getsqrt(vecarg v) {
+	return std::sqrt(std::abs(get("x0_1") - v[0]));
+}
+
+table prepare_ex1(std::string s) {
+	table ret(s);
+	ret.add_column("x1", std::vector<f64>(ret.rows, NAN));
+	ret.add_column("t", std::vector<f64>(ret.rows, NAN));
+	ret.add_column("st", std::vector<f64>(ret.rows, NAN));
+	ret.add_column("sqrt", std::vector<f64>(ret.rows, NAN));
+	ret	.apply(prak::avg<f64>, {"x11", "x12", "x13"}, "x1")
+		.apply(prak::avg<f64>, {"t1", "t2", "t3"}, "t")
+		.apply(prak::stddev<f64>, {"t1", "t2", "t3"}, "st")
+		.apply(getsqrt, {"x3"}, "sqrt");
+	
+	std::cout << ret;
+	return ret;
+}
+
+void ex1(void) {
+	table t;
+}
+
+int main() {
+	data = table("common");
+	prepare_ex1("data1");
+	return 0;
+}