[libcxx] r313789 - Mark the __eval methods on independent_bits_engine (and __independent_bits_engine) as const, since they make no changes to the object. NFC.

[Marshall Clow via cfe-commits]

Author: marshall
Date: Wed Sep 20 11:32:08 2017
New Revision: 313789

URL: http://llvm.org/viewvc/llvm-project?rev=313789&view=rev
Log:
Mark the __eval methods on independent_bits_engine (and 
__independent_bits_engine) as const, since they make no changes to the object. 
NFC.

Modified:
    libcxx/trunk/include/algorithm
    libcxx/trunk/include/random

Modified: libcxx/trunk/include/algorithm
URL: 
http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/algorithm?rev=313789&r1=313788&r2=313789&view=diff
==============================================================================
--- libcxx/trunk/include/algorithm (original)
+++ libcxx/trunk/include/algorithm Wed Sep 20 11:32:08 2017
@@ -2962,8 +2962,8 @@ public:
     result_type operator()() {return __eval(integral_constant<bool, _Rp != 
0>());}
 
 private:
-    result_type __eval(false_type);
-    result_type __eval(true_type);
+    result_type __eval(false_type) const;
+    result_type __eval(true_type)  const;
 };
 
 template<class _Engine, class _UIntType>
@@ -3004,14 +3004,14 @@ __independent_bits_engine<_Engine, _UInt
 template<class _Engine, class _UIntType>
 inline
 _UIntType
-__independent_bits_engine<_Engine, _UIntType>::__eval(false_type)
+__independent_bits_engine<_Engine, _UIntType>::__eval(false_type) const
 {
     return static_cast<result_type>(__e_() & __mask0_);
 }
 
 template<class _Engine, class _UIntType>
 _UIntType
-__independent_bits_engine<_Engine, _UIntType>::__eval(true_type)
+__independent_bits_engine<_Engine, _UIntType>::__eval(true_type) const
 {
     const size_t _WRt = numeric_limits<result_type>::digits;
     result_type _Sp = 0;

Modified: libcxx/trunk/include/random
URL: 
http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/random?rev=313789&r1=313788&r2=313789&view=diff
==============================================================================
--- libcxx/trunk/include/random (original)
+++ libcxx/trunk/include/random Wed Sep 20 11:32:08 2017
@@ -3124,8 +3124,8 @@ public:
 
 private:
     _LIBCPP_INLINE_VISIBILITY
-    result_type __eval(false_type);
-    result_type __eval(true_type);
+    result_type __eval(false_type) const;
+    result_type __eval(true_type) const;
 
     template <size_t __count>
         _LIBCPP_INLINE_VISIBILITY
@@ -3151,14 +3151,14 @@ private:
 template<class _Engine, size_t __w, class _UIntType>
 inline
 _UIntType
-independent_bits_engine<_Engine, __w, _UIntType>::__eval(false_type)
+independent_bits_engine<_Engine, __w, _UIntType>::__eval(false_type) const
 {
     return static_cast<result_type>(__e_() & __mask0);
 }
 
 template<class _Engine, size_t __w, class _UIntType>
 _UIntType
-independent_bits_engine<_Engine, __w, _UIntType>::__eval(true_type)
+independent_bits_engine<_Engine, __w, _UIntType>::__eval(true_type) const
 {
     result_type _Sp = 0;
     for (size_t __k = 0; __k < __n0; ++__k)


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