remove warning of vc2015

2 files changed, 4 insertions, 4 deletions

diff --git a/include/mcl/util.hpp b/include/mcl/util.hpp
index 0d3876d..1be9b7d 100644
--- a/include/mcl/util.hpp
+++ b/include/mcl/util.hpp
@@ -223,16 +223,16 @@ void powGeneric(G& out, const G& x, const T *y, size_t n, void mul(G&, const G&,
 		}
 	}
 	G tbl[4]; // tbl = { discard, x, x^2, x^3 }
-	if (normalize) {
+	if (normalize != 0) {
 		normalize(tbl[0], x);
 	} else {
 		tbl[0] = x;
 	}
 	tbl[1] = tbl[0];
 	sqr(tbl[2], tbl[1]);
-	if (normalize) { normalize(tbl[2], tbl[2]); }
+	if (normalize != 0) { normalize(tbl[2], tbl[2]); }
 	mul(tbl[3], tbl[2], x);
-	if (normalize) { normalize(tbl[3], tbl[3]); }
+	if (normalize != 0) { normalize(tbl[3], tbl[3]); }
 	T v = y[n - 1];
 	int m = cybozu::bsr<T>(v);
 	if (m & 1) {
diff --git a/src/fp.cpp b/src/fp.cpp
index ff3e349..a8015fd 100644
--- a/src/fp.cpp
+++ b/src/fp.cpp
@@ -465,7 +465,7 @@ void Op::init(const std::string& mstr, size_t maxBitSize, Mode mode)
 void arrayToStr(std::string& str, const Unit *x, size_t n, int ioMode)
 {
 	int base = ioMode & ~IoPrefix;
-	bool withPrefix = ioMode & IoPrefix;
+	bool withPrefix = (ioMode & IoPrefix) != 0;
 	switch (base) {
 	case 0:
 	case 10: