From 9482dfd45e72f5c86cd3ed1c3d0859e11bc8234c Mon Sep 17 00:00:00 2001
From: MITSUNARI Shigeo <herumi@nifty.com>
Date: Wed, 5 Sep 2018 23:06:04 +0900
Subject: [PATCH] a tool to precompute G2

---
 misc/precompute.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 misc/precompute.cpp

diff --git a/misc/precompute.cpp b/misc/precompute.cpp
new file mode 100644
index 0000000..5661159
--- /dev/null
+++ b/misc/precompute.cpp
@@ -0,0 +1,18 @@
+#include <mcl/bn384.hpp>
+#include <iostream>
+
+using namespace mcl::bn;
+
+int main()
+{
+	initPairing(mcl::BN254);
+	G2 Q;
+	mapToG2(Q, 1);
+	std::vector<Fp6> Qcoeff;
+	precomputeG2(Qcoeff, Q);
+	printf("static const char *tbl[%d] = {\n", (int)Qcoeff.size());
+	for (size_t i = 0; i < Qcoeff.size(); i++) {
+		printf("\"%s\",\n", Qcoeff[i].getStr(16).c_str());
+	}
+	puts("};");
+}