Move some code out of main.cpp

1 files changed, 27 insertions, 0 deletions

diff --git a/aberth/util.cpp b/aberth/util.cpp
new file mode 100644
index 0000000..b8f6edc
--- /dev/null
+++ b/aberth/util.cpp
@@ -0,0 +1,27 @@
+#include "util.h"
+
+
+ostream& operator<<(ostream &os, const Poly &p) {
+	static const char *supers[10] = {
+		"⁰", "¹", "²", "³", "⁴", "⁵", "⁶", "⁷", "⁸", "⁹"
+	};
+
+	os << p[0];
+
+	for (int i = 1; i < (int)p.size(); i++) {
+		if (p[i] < 0) os << " - " << -p[i];
+		else if (p[i] > 0) os << " + " << p[i];
+		else continue;
+
+		os << "x";
+
+		if (i == 1) continue;
+
+		ostringstream ss;
+		ss << i;
+		string s = ss.str();
+		for (char c : s) os << supers[c - '0'];
+	}
+
+	return os;
+}