Silenced several double-promotion warnings

3 files changed, 6 insertions, 4 deletions

diff --git a/test/geo_quaternion.cpp b/test/geo_quaternion.cpp
index 558acf29f..f9e45f027 100644
--- a/test/geo_quaternion.cpp
+++ b/test/geo_quaternion.cpp
@@ -55,7 +55,7 @@ template<typename Scalar, int Options> void quaternion(void)
 
   Scalar largeEps = test_precision<Scalar>();
   if (internal::is_same<Scalar,float>::value)
-    largeEps = 1e-3f;
+    largeEps = Scalar(1e-3);
 
   Scalar eps = internal::random<Scalar>() * Scalar(1e-2);
 
diff --git a/test/packetmath.cpp b/test/packetmath.cpp
index 3e4eb1414..11e5644bc 100644
--- a/test/packetmath.cpp
+++ b/test/packetmath.cpp
@@ -431,7 +431,7 @@ template<typename Scalar> void packetmath_real()
     // VERIFY_IS_EQUAL(std::log(std::numeric_limits<Scalar>::denorm_min()), data2[0]);
     VERIFY((numext::isnan)(data2[1]));
 
-    data1[0] = -1.0f;
+    data1[0] = Scalar(-1.0f);
     h.store(data2, internal::plog(h.load(data1)));
     VERIFY((numext::isnan)(data2[0]));
 #if !EIGEN_FAST_MATH
diff --git a/test/qr_colpivoting.cpp b/test/qr_colpivoting.cpp
index ef3a6173b..38de635a7 100644
--- a/test/qr_colpivoting.cpp
+++ b/test/qr_colpivoting.cpp
@@ -204,9 +204,11 @@ template<typename MatrixType> void qr_kahan_matrix()
   m1.setZero(rows,cols);
   RealScalar s = std::pow(NumTraits<RealScalar>::epsilon(), 1.0 / rows);
   RealScalar c = std::sqrt(1 - s*s);
+  RealScalar pow_s_i(1.0); // pow(s,i)
   for (Index i = 0; i < rows; ++i) {
-    m1(i, i) = pow(s, i);
-    m1.row(i).tail(rows - i - 1) = -RealScalar(pow(s, i)) * c * MatrixType::Ones(1, rows - i - 1);
+    m1(i, i) = pow_s_i;
+    m1.row(i).tail(rows - i - 1) = -pow_s_i * c * MatrixType::Ones(1, rows - i - 1);
+    pow_s_i *= s;
   }
   m1 = (m1 + m1.transpose()).eval();
   ColPivHouseholderQR<MatrixType> qr(m1);