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authorGravatar Rasmus Munk Larsen <rmlarsen@google.com>2020-12-03 22:31:44 +0000
committerGravatar Rasmus Munk Larsen <rmlarsen@google.com>2020-12-03 22:31:44 +0000
commit4d91519a9be061da5d300079fca17dd0b9328050 (patch)
tree5546a7f478049ce24d8f69f20ad018d6a63ec807 /Eigen/src/plugins/ArrayCwiseUnaryOps.h
parent25d8ae7465e6430bc2dc7f65800332932d3bb774 (diff)
Add log2() operator to Eigen
Diffstat (limited to 'Eigen/src/plugins/ArrayCwiseUnaryOps.h')
-rw-r--r--Eigen/src/plugins/ArrayCwiseUnaryOps.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/Eigen/src/plugins/ArrayCwiseUnaryOps.h b/Eigen/src/plugins/ArrayCwiseUnaryOps.h
index 59a4ee6a0..b7ea22a9d 100644
--- a/Eigen/src/plugins/ArrayCwiseUnaryOps.h
+++ b/Eigen/src/plugins/ArrayCwiseUnaryOps.h
@@ -14,6 +14,7 @@ typedef CwiseUnaryOp<internal::scalar_expm1_op<Scalar>, const Derived> Expm1Retu
typedef CwiseUnaryOp<internal::scalar_log_op<Scalar>, const Derived> LogReturnType;
typedef CwiseUnaryOp<internal::scalar_log1p_op<Scalar>, const Derived> Log1pReturnType;
typedef CwiseUnaryOp<internal::scalar_log10_op<Scalar>, const Derived> Log10ReturnType;
+typedef CwiseUnaryOp<internal::scalar_log2_op<Scalar>, const Derived> Log2ReturnType;
typedef CwiseUnaryOp<internal::scalar_cos_op<Scalar>, const Derived> CosReturnType;
typedef CwiseUnaryOp<internal::scalar_sin_op<Scalar>, const Derived> SinReturnType;
typedef CwiseUnaryOp<internal::scalar_tan_op<Scalar>, const Derived> TanReturnType;
@@ -159,6 +160,18 @@ log10() const
return Log10ReturnType(derived());
}
+/** \returns an expression of the coefficient-wise base-2 logarithm of *this.
+ *
+ * This function computes the coefficient-wise base-2 logarithm.
+ *
+ */
+EIGEN_DEVICE_FUNC
+inline const Log2ReturnType
+log2() const
+{
+ return Log2ReturnType(derived());
+}
+
/** \returns an expression of the coefficient-wise square root of *this.
*
* This function computes the coefficient-wise square root. The function MatrixBase::sqrt() in the