diff --git a/sprout/algorithm/fit/clamp_range_copy.hpp b/sprout/algorithm/fit/clamp_range_copy.hpp
index 1361b61c..e37db67b 100644
--- a/sprout/algorithm/fit/clamp_range_copy.hpp
+++ b/sprout/algorithm/fit/clamp_range_copy.hpp
@@ -9,7 +9,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/copy.hpp b/sprout/algorithm/fit/copy.hpp
index 53713fb6..12d11d47 100644
--- a/sprout/algorithm/fit/copy.hpp
+++ b/sprout/algorithm/fit/copy.hpp
@@ -9,7 +9,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/copy_backward.hpp b/sprout/algorithm/fit/copy_backward.hpp
index ca148a6d..5eaeb9e2 100644
--- a/sprout/algorithm/fit/copy_backward.hpp
+++ b/sprout/algorithm/fit/copy_backward.hpp
@@ -9,7 +9,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace fit {
diff --git a/sprout/algorithm/fit/copy_if.hpp b/sprout/algorithm/fit/copy_if.hpp
index f6c2bc3c..e60d61dc 100644
--- a/sprout/algorithm/fit/copy_if.hpp
+++ b/sprout/algorithm/fit/copy_if.hpp
@@ -8,7 +8,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/copy_n.hpp b/sprout/algorithm/fit/copy_n.hpp
index bf663e53..ecc62db9 100644
--- a/sprout/algorithm/fit/copy_n.hpp
+++ b/sprout/algorithm/fit/copy_n.hpp
@@ -8,7 +8,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace fit {
diff --git a/sprout/algorithm/fit/copy_until.hpp b/sprout/algorithm/fit/copy_until.hpp
index 309fbd8f..9f54a7e9 100644
--- a/sprout/algorithm/fit/copy_until.hpp
+++ b/sprout/algorithm/fit/copy_until.hpp
@@ -10,7 +10,7 @@
 #include <sprout/algorithm/find_if.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/copy_while.hpp b/sprout/algorithm/fit/copy_while.hpp
index 1e9a623f..f3feb3f8 100644
--- a/sprout/algorithm/fit/copy_while.hpp
+++ b/sprout/algorithm/fit/copy_while.hpp
@@ -10,7 +10,7 @@
 #include <sprout/algorithm/find_if_not.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/fill_n.hpp b/sprout/algorithm/fit/fill_n.hpp
index 110c647e..0e4393c3 100644
--- a/sprout/algorithm/fit/fill_n.hpp
+++ b/sprout/algorithm/fit/fill_n.hpp
@@ -8,7 +8,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace fit {
diff --git a/sprout/algorithm/fit/generate_n.hpp b/sprout/algorithm/fit/generate_n.hpp
index 77a4b341..6e0d4ab8 100644
--- a/sprout/algorithm/fit/generate_n.hpp
+++ b/sprout/algorithm/fit/generate_n.hpp
@@ -8,7 +8,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace fit {
diff --git a/sprout/algorithm/fit/merge.hpp b/sprout/algorithm/fit/merge.hpp
index 3682ae44..4d89b7a2 100644
--- a/sprout/algorithm/fit/merge.hpp
+++ b/sprout/algorithm/fit/merge.hpp
@@ -9,7 +9,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/partition.hpp b/sprout/algorithm/fit/partition.hpp
index 1c484e00..6d5b11d7 100644
--- a/sprout/algorithm/fit/partition.hpp
+++ b/sprout/algorithm/fit/partition.hpp
@@ -8,7 +8,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace fit {
diff --git a/sprout/algorithm/fit/partition_copy.hpp b/sprout/algorithm/fit/partition_copy.hpp
index bccf9733..0ca303cb 100644
--- a/sprout/algorithm/fit/partition_copy.hpp
+++ b/sprout/algorithm/fit/partition_copy.hpp
@@ -10,7 +10,7 @@
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
 #include <sprout/detail/algorithm/count_n_if.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
diff --git a/sprout/algorithm/fit/recurrence_n.hpp b/sprout/algorithm/fit/recurrence_n.hpp
index bed8cfa2..0c88b5a5 100644
--- a/sprout/algorithm/fit/recurrence_n.hpp
+++ b/sprout/algorithm/fit/recurrence_n.hpp
@@ -8,7 +8,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace fit {
diff --git a/sprout/algorithm/fit/remove.hpp b/sprout/algorithm/fit/remove.hpp
index 778d76a2..4e5895ad 100644
--- a/sprout/algorithm/fit/remove.hpp
+++ b/sprout/algorithm/fit/remove.hpp
@@ -8,7 +8,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace fit {
diff --git a/sprout/algorithm/fit/remove_copy.hpp b/sprout/algorithm/fit/remove_copy.hpp
index 65756db8..579dd428 100644
--- a/sprout/algorithm/fit/remove_copy.hpp
+++ b/sprout/algorithm/fit/remove_copy.hpp
@@ -9,7 +9,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/remove_copy_if.hpp b/sprout/algorithm/fit/remove_copy_if.hpp
index acb173d3..fbf1096e 100644
--- a/sprout/algorithm/fit/remove_copy_if.hpp
+++ b/sprout/algorithm/fit/remove_copy_if.hpp
@@ -9,7 +9,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/remove_if.hpp b/sprout/algorithm/fit/remove_if.hpp
index c41f1188..333b8fbb 100644
--- a/sprout/algorithm/fit/remove_if.hpp
+++ b/sprout/algorithm/fit/remove_if.hpp
@@ -8,7 +8,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace fit {
diff --git a/sprout/algorithm/fit/replace_copy.hpp b/sprout/algorithm/fit/replace_copy.hpp
index 61f1eebf..ca2e3cbe 100644
--- a/sprout/algorithm/fit/replace_copy.hpp
+++ b/sprout/algorithm/fit/replace_copy.hpp
@@ -9,7 +9,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/replace_copy_if.hpp b/sprout/algorithm/fit/replace_copy_if.hpp
index 3d09b77f..88e333d2 100644
--- a/sprout/algorithm/fit/replace_copy_if.hpp
+++ b/sprout/algorithm/fit/replace_copy_if.hpp
@@ -9,7 +9,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/reverse_copy.hpp b/sprout/algorithm/fit/reverse_copy.hpp
index 7e522d41..337afe93 100644
--- a/sprout/algorithm/fit/reverse_copy.hpp
+++ b/sprout/algorithm/fit/reverse_copy.hpp
@@ -9,7 +9,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace fit {
diff --git a/sprout/algorithm/fit/rotate_copy.hpp b/sprout/algorithm/fit/rotate_copy.hpp
index d6840204..2614b7c8 100644
--- a/sprout/algorithm/fit/rotate_copy.hpp
+++ b/sprout/algorithm/fit/rotate_copy.hpp
@@ -9,7 +9,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace fit {
diff --git a/sprout/algorithm/fit/set_difference.hpp b/sprout/algorithm/fit/set_difference.hpp
index 4ba9f45b..f73a8b8f 100644
--- a/sprout/algorithm/fit/set_difference.hpp
+++ b/sprout/algorithm/fit/set_difference.hpp
@@ -10,7 +10,7 @@
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
 #include <sprout/detail/algorithm/set_overlap_count.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/set_intersection.hpp b/sprout/algorithm/fit/set_intersection.hpp
index f70913ea..90b7bfdd 100644
--- a/sprout/algorithm/fit/set_intersection.hpp
+++ b/sprout/algorithm/fit/set_intersection.hpp
@@ -9,7 +9,7 @@
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
 #include <sprout/detail/algorithm/set_overlap_count.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/set_symmetric_difference.hpp b/sprout/algorithm/fit/set_symmetric_difference.hpp
index 4c214333..6088a471 100644
--- a/sprout/algorithm/fit/set_symmetric_difference.hpp
+++ b/sprout/algorithm/fit/set_symmetric_difference.hpp
@@ -10,7 +10,7 @@
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
 #include <sprout/detail/algorithm/set_overlap_count.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/set_union.hpp b/sprout/algorithm/fit/set_union.hpp
index c2e59537..19187ea9 100644
--- a/sprout/algorithm/fit/set_union.hpp
+++ b/sprout/algorithm/fit/set_union.hpp
@@ -10,7 +10,7 @@
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
 #include <sprout/detail/algorithm/set_overlap_count.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/stable_partition.hpp b/sprout/algorithm/fit/stable_partition.hpp
index 7c33091c..cae4b917 100644
--- a/sprout/algorithm/fit/stable_partition.hpp
+++ b/sprout/algorithm/fit/stable_partition.hpp
@@ -8,7 +8,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace fit {
diff --git a/sprout/algorithm/fit/stable_partition_copy.hpp b/sprout/algorithm/fit/stable_partition_copy.hpp
index c47ebb3a..9a8b4977 100644
--- a/sprout/algorithm/fit/stable_partition_copy.hpp
+++ b/sprout/algorithm/fit/stable_partition_copy.hpp
@@ -8,7 +8,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/swap_element_copy.hpp b/sprout/algorithm/fit/swap_element_copy.hpp
index ef4d28a4..af59e989 100644
--- a/sprout/algorithm/fit/swap_element_copy.hpp
+++ b/sprout/algorithm/fit/swap_element_copy.hpp
@@ -8,7 +8,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/operation.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/transform.hpp b/sprout/algorithm/fit/transform.hpp
index 69944ad9..674dd76e 100644
--- a/sprout/algorithm/fit/transform.hpp
+++ b/sprout/algorithm/fit/transform.hpp
@@ -9,7 +9,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/algorithm/fit/unfold_n.hpp b/sprout/algorithm/fit/unfold_n.hpp
index 63f4900c..e8901148 100644
--- a/sprout/algorithm/fit/unfold_n.hpp
+++ b/sprout/algorithm/fit/unfold_n.hpp
@@ -8,7 +8,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace fit {
diff --git a/sprout/algorithm/fit/unique_copy.hpp b/sprout/algorithm/fit/unique_copy.hpp
index 0a89453b..528aa34d 100644
--- a/sprout/algorithm/fit/unique_copy.hpp
+++ b/sprout/algorithm/fit/unique_copy.hpp
@@ -10,7 +10,7 @@
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
 #include <sprout/detail/algorithm/overlap_count.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/brainfuck/brainfuck.hpp b/sprout/brainfuck/brainfuck.hpp
index 48b9c1d9..37c1d58a 100644
--- a/sprout/brainfuck/brainfuck.hpp
+++ b/sprout/brainfuck/brainfuck.hpp
@@ -14,7 +14,7 @@
 #include <sprout/algorithm/fixed/result_of.hpp>
 #include <sprout/algorithm/fixed/copy.hpp>
 #include <sprout/operation/fixed/set.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace brainfuck {
diff --git a/sprout/config/suffix.hpp b/sprout/config/suffix.hpp
index 8283103b..f1850f34 100644
--- a/sprout/config/suffix.hpp
+++ b/sprout/config/suffix.hpp
@@ -1,6 +1,13 @@
 #ifndef SPROUT_CONFIG_SUFFIX_HPP
 #define SPROUT_CONFIG_SUFFIX_HPP
 
+//
+// SPROUT_CONSTEXPR
+// SPROUT_CONSTEXPR_OR_CONST
+// SPROUT_STATIC_CONSTEXPR
+// SPROUT_STATIC_CONSTEXPR_DATA_MEMBER_INNER
+// SPROUT_STATIC_CONSTEXPR_DATA_MEMBER_OUTER
+//
 #ifndef SPROUT_CONFIG_DISABLE_CONSTEXPR
 #	define SPROUT_CONSTEXPR constexpr
 #	define SPROUT_CONSTEXPR_OR_CONST constexpr
@@ -17,6 +24,10 @@
 #	define SPROUT_STATIC_CONSTEXPR_DATA_MEMBER_OUTER(EXPR) = EXPR
 #endif	// #ifndef SPROUT_CONFIG_DISABLE_CONSTEXPR
 
+//
+// SPROUT_DEFAULTED_DEFAULT_CONSTRUCTOR_DECL
+// SPROUT_DEFAULTED_DESTRUCTOR_DECL
+//
 #ifndef SPROUT_CONFIG_DISABLE_DEFAULTED_FUNCTIONS
 #	define SPROUT_DEFAULTED_DEFAULT_CONSTRUCTOR_DECL = default;
 #	define SPROUT_DEFAULTED_DESTRUCTOR_DECL = default;
@@ -25,18 +36,29 @@
 #	define SPROUT_DEFAULTED_DESTRUCTOR_DECL {}
 #endif	// #ifndef SPROUT_CONFIG_DISABLE_DEFAULTED_FUNCTIONS
 
+//
+// SPROUT_DELETED_FUNCTION_DECL
+//
 #ifndef SPROUT_CONFIG_DISABLE_DELETED_FUNCTIONS
 #	define SPROUT_DELETED_FUNCTION_DECL = delete;
 #else	// #ifndef SPROUT_CONFIG_DISABLE_DELETED_FUNCTIONS
 #	define SPROUT_DELETED_FUNCTION_DECL ;
 #endif	// #ifndef SPROUT_CONFIG_DISABLE_DELETED_FUNCTIONS
 
+//
+// SPROUT_USE_EXPLICIT_CONVERSION_OPERATORS
+//
 #ifndef SPROUT_CONFIG_DISABLE_EXPLICIT_CONVERSION_OPERATORS
 #	define SPROUT_USE_EXPLICIT_CONVERSION_OPERATORS 1
 #else	// #ifndef SPROUT_CONFIG_DISABLE_EXPLICIT_CONVERSION_OPERATORS
 #	define SPROUT_USE_EXPLICIT_CONVERSION_OPERATORS 0
 #endif	// #ifndef SPROUT_CONFIG_DISABLE_EXPLICIT_CONVERSION_OPERATORS
 
+//
+// SPROUT_NOEXCEPT
+// SPROUT_NOEXCEPT_EXPR
+// SPROUT_NOEXCEPT_EXPR_OR_DEFAULT
+//
 #ifndef SPROUT_CONFIG_DISABLE_NOEXCEPT
 #	define SPROUT_NOEXCEPT noexcept
 #	define SPROUT_NOEXCEPT_EXPR(EXPR) noexcept(EXPR)
@@ -47,62 +69,72 @@
 #	define SPROUT_NOEXCEPT_EXPR_OR_DEFAULT(EXPR, C) C
 #endif	// #ifndef SPROUT_CONFIG_DISABLE_NOEXCEPT
 
+//
+// SPROUT_USE_TEMPLATE_ALIASES
+//
 #ifndef SPROUT_CONFIG_DISABLE_TEMPLATE_ALIASES
 #	define SPROUT_USE_TEMPLATE_ALIASES 1
 #else	// #ifndef SPROUT_CONFIG_DISABLE_TEMPLATE_ALIASES
 #	define SPROUT_USE_TEMPLATE_ALIASES 0
 #endif	// #ifndef SPROUT_CONFIG_DISABLE_TEMPLATE_ALIASES
 
+//
+// SPROUT_USE_USER_DEFINED_LITERALS
+//
 #ifndef SPROUT_CONFIG_DISABLE_USER_DEFINED_LITERALS
 #	define SPROUT_USE_USER_DEFINED_LITERALS 1
 #else	// #ifndef SPROUT_CONFIG_DISABLE_USER_DEFINED_LITERALS
 #	define SPROUT_USE_USER_DEFINED_LITERALS 0
 #endif	// #ifndef SPROUT_CONFIG_DISABLE_USER_DEFINED_LITERALS
 
+//
+// SPROUT_USE_DELEGATING_CONSTRUCTORS
+//
 #ifndef SPROUT_CONFIG_DISABLE_DELEGATING_CONSTRUCTORS
 #	define SPROUT_USE_DELEGATING_CONSTRUCTORS 1
 #else	// #ifndef SPROUT_CONFIG_DISABLE_DELEGATING_CONSTRUCTORS
 #	define SPROUT_USE_DELEGATING_CONSTRUCTORS 0
 #endif	// #ifndef SPROUT_CONFIG_DISABLE_DELEGATING_CONSTRUCTORS
 
+//
+// SPROUT_USE_UNICODE_LITERALS
+//
 #ifndef SPROUT_CONFIG_DISABLE_UNICODE_LITERALS
 #	define SPROUT_USE_UNICODE_LITERALS 1
 #else	// #ifndef SPROUT_CONFIG_DISABLE_UNICODE_LITERALS
 #	define SPROUT_USE_UNICODE_LITERALS 0
 #endif	// #ifndef SPROUT_CONFIG_DISABLE_UNICODE_LITERALS
 
-#ifndef SPROUT_CONFIG_USE_SSCRISK_CEL
-#	define HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT <sprout/functional/functor.hpp>
-#	define HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT <sprout/algorithm/non_modifying.hpp>
-#	define HDR_NUMERIC_SSCRISK_CEL_OR_SPROUT <sprout/numeric/non_modifying.hpp>
-#	define HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT <sprout/iterator/operation.hpp>
-#	define NS_SSCRISK_CEL_OR_SPROUT sprout
-#else	// #ifndef SPROUT_CONFIG_USE_SSCRISK_CEL
-#	define HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT <sscrisk/cel/functional.hpp>
-#	define HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT <sscrisk/cel/algorithm.hpp>
-#	define HDR_NUMERIC_SSCRISK_CEL_OR_SPROUT <sscrisk/cel/numeric.hpp>
-#	define HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT <sscrisk/cel/iterator.hpp>
-#	define NS_SSCRISK_CEL_OR_SPROUT sscrisk::cel
-#endif	// #ifndef SPROUT_CONFIG_USE_SSCRISK_CEL
-
+//
+// SPROUT_USE_BUILTIN_CMATH_FUNCTION
+//
 #ifndef SPROUT_CONFIG_DISABLE_BUILTIN_CMATH_FUNCTION
 #	define SPROUT_USE_BUILTIN_CMATH_FUNCTION 1
 #else	// #ifndef SPROUT_CONFIG_DISABLE_BUILTIN_CMATH_FUNCTION
 #	define SPROUT_USE_BUILTIN_CMATH_FUNCTION 0
 #endif	// #ifndef SPROUT_CONFIG_DISABLE_BUILTIN_CMATH_FUNCTION
 
+//
+// SPROUT_USE_BUILTIN_BIT_OPERATION
+//
 #ifndef SPROUT_CONFIG_DISABLE_BUILTIN_BIT_OPERATION
 #	define SPROUT_USE_BUILTIN_BIT_OPERATION 1
 #else	// #ifndef SPROUT_CONFIG_DISABLE_BUILTIN_BIT_OPERATION
 #	define SPROUT_USE_BUILTIN_BIT_OPERATION 0
 #endif	// #ifndef SPROUT_CONFIG_DISABLE_BUILTIN_BIT_OPERATION
 
+//
+// SPROUT_NOERROR_LARGE_FLOAT_ROUNDING
+//
 #ifndef SPROUT_CONFIG_DISABLE_LARGE_FLOAT_ROUNDING
 #	define SPROUT_NOERROR_LARGE_FLOAT_ROUNDING 1
 #else	// #ifndef SPROUT_CONFIG_DISABLE_LARGE_FLOAT_ROUNDING
 #	define SPROUT_NOERROR_LARGE_FLOAT_ROUNDING 0
 #endif	// #ifndef SPROUT_CONFIG_DISABLE_LARGE_FLOAT_ROUNDING
 
+//
+// SPROUT_USE_INDEX_ITERATOR_IMPLEMENTATION
+//
 #ifndef SPROUT_CONFIG_DISABLE_SUPPORT_TEMPORARY_CONTAINER_ITERATION
 #	define SPROUT_USE_INDEX_ITERATOR_IMPLEMENTATION 1
 #else	// #ifndef SPROUT_CONFIG_DISABLE_SUPPORT_TEMPORARY_CONTAINER_ITERATION
@@ -112,10 +144,28 @@
 #	define SPROUT_USE_INDEX_ITERATOR_IMPLEMENTATION 0
 #endif	// #ifndef SPROUT_CONFIG_DISABLE_SUPPORT_TEMPORARY_CONTAINER_ITERATION
 
+//
+// SPROUT_USE_PTR_INDEX_ITERATOR_IMPLEMENTATION
+//
 #ifndef SPROUT_CONFIG_DISABLE_SUPPORT_EFFICIENT_ARRAY_ITERATION
 #	define SPROUT_USE_PTR_INDEX_ITERATOR_IMPLEMENTATION 1
 #else	// #ifndef SPROUT_CONFIG_DISABLE_SUPPORT_EFFICIENT_ARRAY_ITERATION
 #	define SPROUT_USE_PTR_INDEX_ITERATOR_IMPLEMENTATION 0
 #endif	// #ifndef SPROUT_CONFIG_DISABLE_SUPPORT_EFFICIENT_ARRAY_ITERATION
 
+//
+// HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT
+// HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
+// NS_SSCRISK_CEL_OR_SPROUT
+//
+#ifndef SPROUT_CONFIG_USE_SSCRISK_CEL
+#	define HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT <sprout/functional/functor.hpp>
+#	define HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT <sprout/detail/algorithm_min_max.hpp>
+#	define NS_SSCRISK_CEL_OR_SPROUT sprout
+#else	// #ifndef SPROUT_CONFIG_USE_SSCRISK_CEL
+#	define HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT <sscrisk/cel/functional.hpp>
+#	define HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT <sscrisk/cel/algorithm.hpp>
+#	define NS_SSCRISK_CEL_OR_SPROUT sscrisk::cel
+#endif	// #ifndef SPROUT_CONFIG_USE_SSCRISK_CEL
+
 #endif	// #ifndef SPROUT_CONFIG_SUFFIX_HPP
diff --git a/sprout/darkroom/lights/parallel_light.hpp b/sprout/darkroom/lights/parallel_light.hpp
index c14856d1..db3ff5eb 100644
--- a/sprout/darkroom/lights/parallel_light.hpp
+++ b/sprout/darkroom/lights/parallel_light.hpp
@@ -10,7 +10,7 @@
 #include <sprout/darkroom/materials/material.hpp>
 #include <sprout/darkroom/intersects/intersection.hpp>
 #include <sprout/darkroom/objects/intersect.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace darkroom {
diff --git a/sprout/darkroom/lights/point_light.hpp b/sprout/darkroom/lights/point_light.hpp
index a6824ddb..551c9364 100644
--- a/sprout/darkroom/lights/point_light.hpp
+++ b/sprout/darkroom/lights/point_light.hpp
@@ -10,7 +10,7 @@
 #include <sprout/darkroom/materials/material.hpp>
 #include <sprout/darkroom/intersects/intersection.hpp>
 #include <sprout/darkroom/objects/intersect.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace darkroom {
diff --git a/sprout/detail/algorithm_min_max.hpp b/sprout/detail/algorithm_min_max.hpp
new file mode 100644
index 00000000..12780afb
--- /dev/null
+++ b/sprout/detail/algorithm_min_max.hpp
@@ -0,0 +1,8 @@
+#ifndef SPROUT_DETAIL_ALGORITHM_MIN_MAX_HPP
+#define SPROUT_DETAIL_ALGORITHM_MIN_MAX_HPP
+
+#include <sprout/config.hpp>
+#include <sprout/algorithm/min.hpp>
+#include <sprout/algorithm/max.hpp>
+
+#endif // #ifndef SPROUT_DETAIL_ALGORITHM_MIN_MAX_HPP
diff --git a/sprout/functional/hash/detail/hash_float.hpp b/sprout/functional/hash/detail/hash_float.hpp
index 2f62d2e9..1d0bcc77 100644
--- a/sprout/functional/hash/detail/hash_float.hpp
+++ b/sprout/functional/hash/detail/hash_float.hpp
@@ -71,7 +71,7 @@ namespace sprout {
 		inline SPROUT_CONSTEXPR std::size_t
 		float_hash_value(T v) {
 			return sprout::detail::float_hash_value_1(v, sprout::math::fpclassify(v));
-        }
+		}
 	}	// namespace detail
 }	// namespace sprout
 
diff --git a/sprout/io.hpp b/sprout/io.hpp
index a3cc5bc2..2dc18b91 100644
--- a/sprout/io.hpp
+++ b/sprout/io.hpp
@@ -16,7 +16,7 @@
 #include <sprout/range/numeric/partial_sum.hpp>
 #include <sprout/type_traits/is_char_type.hpp>
 #include <sprout/detail/param_at.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace io {
diff --git a/sprout/iterator/remake_iterator.hpp b/sprout/iterator/remake_iterator.hpp
index 18417c96..e11d2e75 100644
--- a/sprout/iterator/remake_iterator.hpp
+++ b/sprout/iterator/remake_iterator.hpp
@@ -9,7 +9,7 @@
 #include <sprout/iterator/distance.hpp>
 #include <sprout/iterator/type_traits/common.hpp>
 #include <sprout/utility/swap.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	//
diff --git a/sprout/iterator/step_iterator.hpp b/sprout/iterator/step_iterator.hpp
index fba00476..31f5b836 100644
--- a/sprout/iterator/step_iterator.hpp
+++ b/sprout/iterator/step_iterator.hpp
@@ -9,7 +9,7 @@
 #include <sprout/iterator/distance.hpp>
 #include <sprout/utility/swap.hpp>
 #include <sprout/iterator/operation.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	//
diff --git a/sprout/numeric/dft/fit/amplitude_spectrum.hpp b/sprout/numeric/dft/fit/amplitude_spectrum.hpp
index c88c576d..aece647d 100644
--- a/sprout/numeric/dft/fit/amplitude_spectrum.hpp
+++ b/sprout/numeric/dft/fit/amplitude_spectrum.hpp
@@ -10,7 +10,7 @@
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
 #include <sprout/pit/pit.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/numeric/dft/fit/dft.hpp b/sprout/numeric/dft/fit/dft.hpp
index 2aaa1267..b6ca95e9 100644
--- a/sprout/numeric/dft/fit/dft.hpp
+++ b/sprout/numeric/dft/fit/dft.hpp
@@ -10,7 +10,7 @@
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
 #include <sprout/pit/pit.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace fit {
diff --git a/sprout/numeric/dft/fit/idft.hpp b/sprout/numeric/dft/fit/idft.hpp
index 6534635d..4c598c66 100644
--- a/sprout/numeric/dft/fit/idft.hpp
+++ b/sprout/numeric/dft/fit/idft.hpp
@@ -10,7 +10,7 @@
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
 #include <sprout/pit/pit.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace fit {
diff --git a/sprout/numeric/dft/fit/phase_spectrum.hpp b/sprout/numeric/dft/fit/phase_spectrum.hpp
index cc6650f9..e2b6166f 100644
--- a/sprout/numeric/dft/fit/phase_spectrum.hpp
+++ b/sprout/numeric/dft/fit/phase_spectrum.hpp
@@ -10,7 +10,7 @@
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
 #include <sprout/pit/pit.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/numeric/fit/adjacent_difference.hpp b/sprout/numeric/fit/adjacent_difference.hpp
index 946ea6ff..f4ac4324 100644
--- a/sprout/numeric/fit/adjacent_difference.hpp
+++ b/sprout/numeric/fit/adjacent_difference.hpp
@@ -9,7 +9,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/numeric/fit/partial_sum.hpp b/sprout/numeric/fit/partial_sum.hpp
index 994600c7..e65abe38 100644
--- a/sprout/numeric/fit/partial_sum.hpp
+++ b/sprout/numeric/fit/partial_sum.hpp
@@ -9,7 +9,7 @@
 #include <sprout/algorithm/fit/result_of.hpp>
 #include <sprout/sub_array/sub_array.hpp>
 #include <sprout/sub_array/sub.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #include <sprout/iterator/type_traits/is_iterator.hpp>
 
 namespace sprout {
diff --git a/sprout/random/detail/uniform_int_float.hpp b/sprout/random/detail/uniform_int_float.hpp
index dc865c8b..12fd0560 100644
--- a/sprout/random/detail/uniform_int_float.hpp
+++ b/sprout/random/detail/uniform_int_float.hpp
@@ -8,7 +8,7 @@
 #include <sprout/random/random_result.hpp>
 #include <sprout/random/detail/generator_bits.hpp>
 #include <sprout/detail/integer.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace random {
diff --git a/sprout/random/xor_combine.hpp b/sprout/random/xor_combine.hpp
index 38c68a57..70fb5a90 100644
--- a/sprout/random/xor_combine.hpp
+++ b/sprout/random/xor_combine.hpp
@@ -5,7 +5,7 @@
 #include <istream>
 #include <sprout/config.hpp>
 #include <sprout/random/random_result.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace random {
diff --git a/sprout/range/adaptor/alternated.hpp b/sprout/range/adaptor/alternated.hpp
index c9603d7d..37c8d592 100644
--- a/sprout/range/adaptor/alternated.hpp
+++ b/sprout/range/adaptor/alternated.hpp
@@ -12,7 +12,7 @@
 #include <sprout/utility/forward.hpp>
 #include <sprout/utility/lvalue_forward.hpp>
 #include <sprout/utility/value_holder/value_holder.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace adaptors {
diff --git a/sprout/range/adaptor/blanked.hpp b/sprout/range/adaptor/blanked.hpp
index e758df94..2627d623 100644
--- a/sprout/range/adaptor/blanked.hpp
+++ b/sprout/range/adaptor/blanked.hpp
@@ -11,7 +11,7 @@
 #include <sprout/type_traits/lvalue_reference.hpp>
 #include <sprout/utility/forward.hpp>
 #include <sprout/utility/lvalue_forward.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	//
diff --git a/sprout/range/adaptor/dropped.hpp b/sprout/range/adaptor/dropped.hpp
index 2c7c91ea..2a8e73c9 100644
--- a/sprout/range/adaptor/dropped.hpp
+++ b/sprout/range/adaptor/dropped.hpp
@@ -9,7 +9,7 @@
 #include <sprout/range/adaptor/detail/adapted_range_default.hpp>
 #include <sprout/type_traits/lvalue_reference.hpp>
 #include <sprout/utility/lvalue_forward.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace adaptors {
diff --git a/sprout/range/adaptor/dropped_end.hpp b/sprout/range/adaptor/dropped_end.hpp
index b489817c..43b88f10 100644
--- a/sprout/range/adaptor/dropped_end.hpp
+++ b/sprout/range/adaptor/dropped_end.hpp
@@ -9,7 +9,7 @@
 #include <sprout/range/adaptor/detail/adapted_range_default.hpp>
 #include <sprout/type_traits/lvalue_reference.hpp>
 #include <sprout/utility/lvalue_forward.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace adaptors {
diff --git a/sprout/range/adaptor/offset.hpp b/sprout/range/adaptor/offset.hpp
index fda6b46c..3454bf1b 100644
--- a/sprout/range/adaptor/offset.hpp
+++ b/sprout/range/adaptor/offset.hpp
@@ -10,7 +10,7 @@
 #include <sprout/type_traits/lvalue_reference.hpp>
 #include <sprout/type_traits/arithmetic_promote.hpp>
 #include <sprout/utility/lvalue_forward.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace adaptors {
diff --git a/sprout/range/adaptor/steps.hpp b/sprout/range/adaptor/steps.hpp
index 1ba45ec2..0cbf57fb 100644
--- a/sprout/range/adaptor/steps.hpp
+++ b/sprout/range/adaptor/steps.hpp
@@ -10,7 +10,7 @@
 #include <sprout/type_traits/lvalue_reference.hpp>
 #include <sprout/utility/forward.hpp>
 #include <sprout/utility/lvalue_forward.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace adaptors {
diff --git a/sprout/range/adaptor/taken.hpp b/sprout/range/adaptor/taken.hpp
index b7851839..019b688d 100644
--- a/sprout/range/adaptor/taken.hpp
+++ b/sprout/range/adaptor/taken.hpp
@@ -9,7 +9,7 @@
 #include <sprout/range/adaptor/detail/adapted_range_default.hpp>
 #include <sprout/type_traits/lvalue_reference.hpp>
 #include <sprout/utility/lvalue_forward.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace adaptors {
diff --git a/sprout/range/adaptor/taken_end.hpp b/sprout/range/adaptor/taken_end.hpp
index e8ae7cae..f8c84048 100644
--- a/sprout/range/adaptor/taken_end.hpp
+++ b/sprout/range/adaptor/taken_end.hpp
@@ -9,7 +9,7 @@
 #include <sprout/range/adaptor/detail/adapted_range_default.hpp>
 #include <sprout/type_traits/lvalue_reference.hpp>
 #include <sprout/utility/lvalue_forward.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace adaptors {
diff --git a/sprout/range/adaptor/window.hpp b/sprout/range/adaptor/window.hpp
index f2d5ba04..9ee517d5 100644
--- a/sprout/range/adaptor/window.hpp
+++ b/sprout/range/adaptor/window.hpp
@@ -10,7 +10,7 @@
 #include <sprout/type_traits/lvalue_reference.hpp>
 #include <sprout/type_traits/arithmetic_promote.hpp>
 #include <sprout/utility/lvalue_forward.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace adaptors {
diff --git a/sprout/string/char_traits.hpp b/sprout/string/char_traits.hpp
index f2bfccef..2c630de3 100644
--- a/sprout/string/char_traits.hpp
+++ b/sprout/string/char_traits.hpp
@@ -2,8 +2,8 @@
 #define SPROUT_STRING_CHAR_TRAITS_HPP
 
 #include <cstddef>
-#include <algorithm>
 #include <string>
+#include <algorithm>
 #include <sprout/config.hpp>
 #include <sprout/functional/bind2nd.hpp>
 #include <sprout/iterator/ptr_index_iterator.hpp>
@@ -13,6 +13,36 @@
 #include <sprout/cstring/strlen.hpp>
 
 namespace sprout {
+	namespace detail {
+		template<typename Traits>
+		class char_traits_eq {
+		public:
+			typedef Traits traits_type;
+			typedef typename traits_type::char_type char_type;
+			typedef bool result_type;
+			typedef char_type first_argument_type;
+			typedef char_type second_argument_type;
+		public:
+			SPROUT_CONSTEXPR bool operator()(char_type c1, char_type c2) const SPROUT_NOEXCEPT {
+				return traits_type::eq(c1, c2);
+			}
+		};
+
+		template<typename Traits>
+		class char_traits_lt {
+		public:
+			typedef Traits traits_type;
+			typedef typename traits_type::char_type char_type;
+			typedef bool result_type;
+			typedef char_type first_argument_type;
+			typedef char_type second_argument_type;
+		public:
+			SPROUT_CONSTEXPR bool operator()(char_type c1, char_type c2) const SPROUT_NOEXCEPT {
+				return traits_type::lt(c1, c2);
+			}
+		};
+	}	// namespace detail
+
 	//
 	// char_traits
 	//
@@ -26,19 +56,6 @@ namespace sprout {
 		typedef typename impl_type::off_type off_type;
 		typedef typename impl_type::pos_type pos_type;
 		typedef typename impl_type::state_type state_type;
-	private:
-		struct eq_ {
-		public:
-			SPROUT_CONSTEXPR bool operator()(char_type c1, char_type c2) const SPROUT_NOEXCEPT {
-				return eq(c1, c2);
-			}
-		};
-		struct lt_ {
-		public:
-			SPROUT_CONSTEXPR bool operator()(char_type c1, char_type c2) const SPROUT_NOEXCEPT {
-				return lt(c1, c2);
-			}
-		};
 	private:
 		static SPROUT_CONSTEXPR char_type const* find_impl(char_type const* found, char_type const* last) {
 			return found == last ? nullptr
@@ -59,18 +76,18 @@ namespace sprout {
 			return sprout::tristate_lexicographical_compare(
 				sprout::as_iterator(s1), sprout::as_iterator(s1, n), char_type(),
 				sprout::as_iterator(s2), sprout::as_iterator(s2, n), char_type(),
-				lt_()
+				sprout::detail::char_traits_lt<char_traits>()
 				);
 		}
 		static SPROUT_CONSTEXPR std::size_t length(char_type const* s) {
-			return sprout::detail::strlen(s);
+			return sprout::strlen(s);
 		}
 		static SPROUT_CONSTEXPR char_type const* find(char_type const* s, std::size_t n, char_type const& a) {
 			return find_impl(
 				sprout::as_iterator_base(
 					sprout::find_if(
 						sprout::as_iterator(s), sprout::as_iterator(s, n),
-						sprout::bind2nd(eq_(), a)
+						sprout::bind2nd(sprout::detail::char_traits_eq<char_traits>(), a)
 						)
 					),
 				s + n
@@ -106,7 +123,7 @@ namespace sprout {
 			return sprout::tristate_lexicographical_compare(
 				sprout::as_iterator(s1), sprout::as_iterator(s1, n), char_type(),
 				s2, s2 + n, char_type(),
-				lt_()
+				sprout::detail::char_traits_lt<char_traits>()
 				);
 		}
 		template<typename ConstIterator>
@@ -114,7 +131,7 @@ namespace sprout {
 			return sprout::tristate_lexicographical_compare(
 				s1, s1 + n, char_type(),
 				sprout::as_iterator(s2), sprout::as_iterator(s2, n), char_type(),
-				lt_()
+				sprout::detail::char_traits_lt<char_traits>()
 				);
 		}
 		template<typename ConstIterator1, typename ConstIterator2>
@@ -122,7 +139,7 @@ namespace sprout {
 			return sprout::tristate_lexicographical_compare(
 				s1, s1 + n, char_type(),
 				s2, s2 + n, char_type(),
-				lt_()
+				sprout::detail::char_traits_lt<char_traits>()
 				);
 		}
 		template<typename ConstIterator>
@@ -134,7 +151,7 @@ namespace sprout {
 			return sprout::as_iterator_base(
 				sprout::find_if(
 					s, s + n,
-					sprout::bind2nd(eq_(), a)
+					sprout::bind2nd(sprout::detail::char_traits_eq<char_traits>(), a)
 					)
 				);
 		}
@@ -168,25 +185,15 @@ namespace sprout {
 		typedef typename traits_type::off_type off_type;
 		typedef typename traits_type::pos_type pos_type;
 		typedef typename traits_type::state_type state_type;
-	private:
-		struct eq_ {
-		public:
-			SPROUT_CONSTEXPR bool operator()(char_type c1, char_type c2) const SPROUT_NOEXCEPT {
-				return traits_type::eq(c1, c2);
-			}
-		};
 	public:
 		static SPROUT_CONSTEXPR std::size_t length(char_type const* s, std::size_t n) {
-			return sprout::distance(
-				sprout::as_iterator(s),
-				find(sprout::as_iterator(s), n, char_type())
-				);
+			return sprout::strlen(s, n);
 		}
 		static SPROUT_CONSTEXPR char_type const* find(char_type const* s, std::size_t n, char_type const& a) {
 			return sprout::as_iterator_base(
 				sprout::find_if(
 					sprout::as_iterator(s), sprout::as_iterator(s, n),
-					sprout::bind2nd(eq_(), a)
+					sprout::bind2nd(sprout::detail::char_traits_eq<traits_type>(), a)
 					)
 				);
 		}
@@ -196,16 +203,13 @@ namespace sprout {
 #if SPROUT_USE_INDEX_ITERATOR_IMPLEMENTATION
 		template<typename ConstIterator>
 		static SPROUT_CONSTEXPR std::size_t length(ConstIterator s, std::size_t n) {
-			return sprout::distance(
-				s,
-				find(s, n, char_type())
-				);
+			return sprout::detail::strlen(s, n);
 		}
 		template<typename ConstIterator>
 		static SPROUT_CONSTEXPR ConstIterator find(ConstIterator s, std::size_t n, char_type const& a) {
 			return sprout::find_if(
 				s, s + n,
-				sprout::bind2nd(eq_(), a)
+				sprout::bind2nd(sprout::detail::char_traits_eq<traits_type>(), a)
 				);
 		}
 		template<typename ConstIterator>
diff --git a/sprout/string/detail/compare.hpp b/sprout/string/detail/compare.hpp
index f1ed197b..de42cd80 100644
--- a/sprout/string/detail/compare.hpp
+++ b/sprout/string/detail/compare.hpp
@@ -2,7 +2,7 @@
 #define SPROUT_STRING_DETAIL_COMPARE_HPP
 
 #include <sprout/config.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace string_detail {
diff --git a/sprout/string/detail/find.hpp b/sprout/string/detail/find.hpp
index 34cb1a8b..8cdadaa3 100644
--- a/sprout/string/detail/find.hpp
+++ b/sprout/string/detail/find.hpp
@@ -3,7 +3,7 @@
 
 #include <sprout/config.hpp>
 #include <sprout/string/char_traits.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace string_detail {
diff --git a/sprout/string/float_to_string.hpp b/sprout/string/float_to_string.hpp
index 510a5231..7f15052d 100644
--- a/sprout/string/float_to_string.hpp
+++ b/sprout/string/float_to_string.hpp
@@ -12,7 +12,7 @@
 #include <sprout/detail/char_conversion.hpp>
 #include <sprout/detail/math/int.hpp>
 #include <sprout/detail/math/float.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	namespace detail {
diff --git a/sprout/string/shrink.hpp b/sprout/string/shrink.hpp
index 3fdcdd16..ed4e0abb 100644
--- a/sprout/string/shrink.hpp
+++ b/sprout/string/shrink.hpp
@@ -7,7 +7,7 @@
 #include <sprout/string/char_traits.hpp>
 #include <sprout/string/string.hpp>
 #include <sprout/utility/value_holder/value_holder.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 
 namespace sprout {
 	//
diff --git a/sprout/string/string.hpp b/sprout/string/string.hpp
index a42df432..e0f75657 100644
--- a/sprout/string/string.hpp
+++ b/sprout/string/string.hpp
@@ -2,6 +2,7 @@
 #define SPROUT_STRING_STRING_HPP
 
 #include <cstddef>
+#include <string>
 #include <algorithm>
 #include <utility>
 #include <stdexcept>
@@ -18,7 +19,7 @@
 #include <sprout/string/char_traits.hpp>
 #include <sprout/string/npos.hpp>
 #include <sprout/string/detail/operations.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #if SPROUT_USE_INDEX_ITERATOR_IMPLEMENTATION
 #	include <sprout/iterator/index_iterator.hpp>
 #endif
@@ -89,15 +90,18 @@ namespace sprout {
 			return sprout::basic_string<T, sizeof...(Indexes), Traits>{{(Indexes < M - 1 ? elems[Indexes] : T())...}, len};
 		}
 	public:
-		static SPROUT_CONSTEXPR basic_string from_c_str(value_type const* s, size_type n) {
+		static SPROUT_CONSTEXPR basic_string from_c_str(T const* s, size_type n) {
 			return !(N < n)
 				? from_c_str_impl(s, n, sprout::index_range<0, N>::make())
 				: throw std::out_of_range("basic_string<>: index out of range")
 				;
 		}
-		static SPROUT_CONSTEXPR basic_string from_c_str(value_type const* s) {
+		static SPROUT_CONSTEXPR basic_string from_c_str(T const* s) {
 			return from_c_str(s, traits_type::length(s));
 		}
+		static SPROUT_CONSTEXPR basic_string from_c_str(std::basic_string<T, Traits> const& s) {
+			return from_c_str(s.data(), s.size());
+		}
 	public:
 		value_type elems[static_size + 1];
 		size_type len;
@@ -489,6 +493,12 @@ namespace sprout {
 				sprout::index_range<0, N2>::make()
 				);
 		}
+#if SPROUT_USE_EXPLICIT_CONVERSION_OPERATORS
+		template<typename Allocator>
+		explicit operator std::basic_string<T, Traits, Allocator>() const {
+			return std::basic_string<T, Traits, Allocator>(data(), size());
+		}
+#endif
 		pointer
 		c_array() SPROUT_NOEXCEPT {
 			return &elems[0];
@@ -693,18 +703,12 @@ namespace sprout {
 			template<std::size_t M>
 			static SPROUT_CONSTEXPR typename copied_type::size_type
 			length_impl(sprout::array<T, M> const& arr) {
-				return sprout::distance(
-					arr.begin(),
-					sprout::find(arr.begin(), arr.end(), T())
-					);
+				return sprout::distance(arr.begin(), sprout::find(arr.begin(), arr.end(), T()));
 			}
 			template<typename... Args, sprout::index_t... Indexes>
 			static SPROUT_CONSTEXPR copied_type
 			make_impl(typename copied_type::size_type size, sprout::index_tuple<Indexes...>, Args&&... args) {
-				return copied_type{
-					{(Indexes < size ? sprout::forward<Args>(args) : T())...},
-					size
-					};
+				return copied_type{{(Indexes < size ? sprout::forward<Args>(args) : T())...}, size};
 			}
 		public:
 			template<typename... Args>
@@ -743,11 +747,11 @@ namespace sprout {
 		{
 			return sprout::basic_string<T, N - 1>{{(Indexes < n ? arr[Indexes] : T())...}, n};
 		}
-		template<typename T, std::size_t N, sprout::index_t... Indexes>
+		template<typename T, std::size_t N>
 		inline SPROUT_CONSTEXPR sprout::basic_string<T, N - 1>
-		to_string_impl(T const(& arr)[N], sprout::index_tuple<Indexes...>) {
-			typedef sprout::char_traits_helper<sprout::char_traits<T> > traits_type;
-			return to_string_impl_1(arr, traits_type::length(arr, N - 1), sprout::index_tuple<Indexes...>());
+		to_string_impl(T const(& arr)[N]) {
+			typedef sprout::char_traits_helper<typename sprout::basic_string<T, N - 1>::traits_type> helper_type;
+			return to_string_impl_1(arr, helper_type::length(arr, N - 1), sprout::index_range<0, N - 1>::make());
 		}
 	}	// namespace detail
 	//
@@ -761,7 +765,7 @@ namespace sprout {
 	template<typename T, std::size_t N>
 	inline SPROUT_CONSTEXPR sprout::basic_string<T, N - 1>
 	to_string(T const(& arr)[N]) {
-		return sprout::detail::to_string_impl(arr, sprout::index_range<0, N - 1>::make());
+		return sprout::detail::to_string_impl(arr);
 	}
 
 	//
@@ -777,6 +781,11 @@ namespace sprout {
 	string_from_c_str(T const* s) {
 		return sprout::basic_string<T, N>::from_c_str(s);
 	}
+	template<std::size_t N, typename T, typename Traits>
+	inline SPROUT_CONSTEXPR sprout::basic_string<T, N, Traits>
+	string_from_c_str(std::basic_string<T, Traits> const& s) {
+		return sprout::basic_string<T, N, Traits>::from_c_str(s);
+	}
 }	// namespace sprout
 
 #endif	// #ifndef SPROUT_STRING_STRING_HPP
diff --git a/sprout/utility/string_ref/string_ref.hpp b/sprout/utility/string_ref/string_ref.hpp
index da1754e8..e5b204dc 100644
--- a/sprout/utility/string_ref/string_ref.hpp
+++ b/sprout/utility/string_ref/string_ref.hpp
@@ -13,7 +13,7 @@
 #include <sprout/string/npos.hpp>
 #include <sprout/string/string.hpp>
 #include <sprout/string/detail/operations.hpp>
-#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
+#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
 #if SPROUT_USE_INDEX_ITERATOR_IMPLEMENTATION
 #	include <sprout/iterator/index_iterator.hpp>
 #endif
@@ -554,6 +554,11 @@ namespace sprout {
 	//
 	// to_string_ref
 	//
+	template<typename T, typename Traits>
+	inline SPROUT_CONSTEXPR sprout::basic_string_ref<T, Traits>
+	to_string_ref(sprout::basic_string_ref<T, Traits> const& s) {
+		return s;
+	}
 	template<typename T, std::size_t N, typename Traits>
 	inline SPROUT_CONSTEXPR sprout::basic_string_ref<T, Traits>
 	to_string_ref(sprout::basic_string<T, N, Traits> const& s) {