From a5e49976f5534aa1acd84eb6a375a1fbb0eac87c Mon Sep 17 00:00:00 2001
From: Deanna Hood <deanna.m.hood@gmail.com>
Date: Wed, 11 Mar 2015 08:56:42 +1000
Subject: Add log10 array support

---
 Eigen/src/plugins/ArrayCwiseUnaryOps.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'Eigen/src/plugins/ArrayCwiseUnaryOps.h')

diff --git a/Eigen/src/plugins/ArrayCwiseUnaryOps.h b/Eigen/src/plugins/ArrayCwiseUnaryOps.h
index b5f66e181..eae5de9f6 100644
--- a/Eigen/src/plugins/ArrayCwiseUnaryOps.h
+++ b/Eigen/src/plugins/ArrayCwiseUnaryOps.h
@@ -8,6 +8,7 @@ typedef CwiseUnaryOp<internal::scalar_inverse_op<Scalar>, const Derived> Inverse
 
 typedef CwiseUnaryOp<internal::scalar_exp_op<Scalar>, const Derived> ExpReturnType;
 typedef CwiseUnaryOp<internal::scalar_log_op<Scalar>, const Derived> LogReturnType;
+typedef CwiseUnaryOp<internal::scalar_log10_op<Scalar>, const Derived> Log10ReturnType;
 typedef CwiseUnaryOp<internal::scalar_cos_op<Scalar>, const Derived> CosReturnType;
 typedef CwiseUnaryOp<internal::scalar_sin_op<Scalar>, const Derived> SinReturnType;
 typedef CwiseUnaryOp<internal::scalar_acos_op<Scalar>, const Derived> AcosReturnType;
@@ -99,6 +100,22 @@ log() const
   return LogReturnType(derived());
 }
 
+/** \returns an expression of the coefficient-wise base-10 logarithm of *this.
+  *
+  * This function computes the coefficient-wise base-10 logarithm.
+  *
+  * Example: \include Cwise_log10.cpp
+  * Output: \verbinclude Cwise_log10.out
+  *
+  * \sa log()
+  */
+EIGEN_DEVICE_FUNC
+inline const Log10ReturnType
+log10() const
+{
+  return Log10ReturnType(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
-- 
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