Intermediate changes

commit_hash:d5803d0504d2b59e86f5f760aa15993f6c445389

20 files changed, 68 insertions, 88 deletions

diff --git a/contrib/restricted/boost/iostreams/.yandex_meta/default.nix b/contrib/restricted/boost/iostreams/.yandex_meta/default.nix
index 9cf65fab53c..2050c78d553 100644
--- a/contrib/restricted/boost/iostreams/.yandex_meta/default.nix
+++ b/contrib/restricted/boost/iostreams/.yandex_meta/default.nix
@@ -1,13 +1,13 @@
 self: super: with self; {
   boost_iostreams = stdenv.mkDerivation rec {
     pname = "boost_iostreams";
-    version = "1.87.0";
+    version = "1.88.0";
 
     src = fetchFromGitHub {
       owner = "boostorg";
       repo = "iostreams";
       rev = "boost-${version}";
-      hash = "sha256-5wd8jbRGSFCQ96qbwqsHL5CRymgTvGKKCTErQ1IuxME=";
+      hash = "sha256-06nyC2gTshoIj4DFy0SPdND0FyKmhdYxjlRAdFJ15Ug=";
     };
   };
 }
diff --git a/contrib/restricted/boost/iostreams/ya.make b/contrib/restricted/boost/iostreams/ya.make
index b16e94cb2db..84b5d5dc8a9 100644
--- a/contrib/restricted/boost/iostreams/ya.make
+++ b/contrib/restricted/boost/iostreams/ya.make
@@ -6,9 +6,9 @@ LICENSE(BSL-1.0)
 
 LICENSE_TEXTS(.yandex_meta/licenses.list.txt)
 
-VERSION(1.87.0)
+VERSION(1.88.0)
 
-ORIGINAL_SOURCE(https://github.com/boostorg/iostreams/archive/boost-1.87.0.tar.gz)
+ORIGINAL_SOURCE(https://github.com/boostorg/iostreams/archive/boost-1.88.0.tar.gz)
 
 PEERDIR(
     contrib/libs/libbz2
diff --git a/contrib/restricted/boost/math/.yandex_meta/default.nix b/contrib/restricted/boost/math/.yandex_meta/default.nix
index e6b276b371d..16d603d9077 100644
--- a/contrib/restricted/boost/math/.yandex_meta/default.nix
+++ b/contrib/restricted/boost/math/.yandex_meta/default.nix
@@ -1,13 +1,13 @@
 self: super: with self; {
   boost_math = stdenv.mkDerivation rec {
     pname = "boost_math";
-    version = "1.87.0";
+    version = "1.88.0";
 
     src = fetchFromGitHub {
       owner = "boostorg";
       repo = "math";
       rev = "boost-${version}";
-      hash = "sha256-qrv6ySO++gKkHhXMqnmuh21twljH0QnDtfGg65uM4eo=";
+      hash = "sha256-6IPYRwmircWMOa7lz8ftD8zORCwVNRdAkWmIjYj8xNU=";
     };
   };
 }
diff --git a/contrib/restricted/boost/math/include/boost/math/ccmath/floor.hpp b/contrib/restricted/boost/math/include/boost/math/ccmath/floor.hpp
index fb1dea34db6..5afed7d0ca2 100644
--- a/contrib/restricted/boost/math/include/boost/math/ccmath/floor.hpp
+++ b/contrib/restricted/boost/math/include/boost/math/ccmath/floor.hpp
@@ -33,7 +33,7 @@ inline constexpr T floor_pos_impl(T arg) noexcept
 
     T result = 1;
 
-    if(result < arg)
+    if(result <= arg)
     {
         while(result < arg)
         {
diff --git a/contrib/restricted/boost/math/include/boost/math/ccmath/isinf.hpp b/contrib/restricted/boost/math/include/boost/math/ccmath/isinf.hpp
index ecf0d620abc..f1b0e7c726b 100644
--- a/contrib/restricted/boost/math/include/boost/math/ccmath/isinf.hpp
+++ b/contrib/restricted/boost/math/include/boost/math/ccmath/isinf.hpp
@@ -23,8 +23,13 @@ constexpr bool isinf BOOST_MATH_PREVENT_MACRO_SUBSTITUTION(T x) noexcept
         if constexpr (std::numeric_limits<T>::is_signed)
         {
 #if defined(__clang_major__) && __clang_major__ >= 6
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wtautological-constant-compare"
+#  pragma clang diagnostic push
+#  pragma clang diagnostic ignored "-Wtautological-constant-compare"
+#  if defined(__has_warning)
+#    if __has_warning("-Wnan-infinity-disabled")
+#      pragma clang diagnostic ignored "-Wnan-infinity-disabled"
+#    endif
+#  endif
 #endif
             return x == std::numeric_limits<T>::infinity() || -x == std::numeric_limits<T>::infinity();
 #if defined(__clang_major__) && __clang_major__ >= 6
diff --git a/contrib/restricted/boost/math/include/boost/math/distributions/cauchy.hpp b/contrib/restricted/boost/math/include/boost/math/distributions/cauchy.hpp
index 3a5af69e439..c0c76addf7f 100644
--- a/contrib/restricted/boost/math/include/boost/math/distributions/cauchy.hpp
+++ b/contrib/restricted/boost/math/include/boost/math/distributions/cauchy.hpp
@@ -45,23 +45,11 @@ BOOST_MATH_GPU_ENABLED RealType cdf_imp(const cauchy_distribution<RealType, Poli
    //
    // This calculates the cdf of the Cauchy distribution and/or its complement.
    //
-   // The usual formula for the Cauchy cdf is:
+   // This implementation uses the formula
    //
-   // cdf = 0.5 + atan(x)/pi
+   //     cdf = atan2(1, -x)/pi
    //
-   // But that suffers from cancellation error as x -> -INF.
-   //
-   // Recall that for x < 0:
-   //
-   // atan(x) = -pi/2 - atan(1/x)
-   //
-   // Substituting into the above we get:
-   //
-   // CDF = -atan(1/x)/pi  ; x < 0
-   //
-   // So the procedure is to calculate the cdf for -fabs(x)
-   // using the above formula, and then subtract from 1 when required
-   // to get the result.
+   // where x is the standardized (i.e. shifted and scaled) domain variable.
    //
    BOOST_MATH_STD_USING // for ADL of std functions
    constexpr auto function = "boost::math::cdf(cauchy<%1%>&, %1%)";
@@ -99,13 +87,8 @@ BOOST_MATH_GPU_ENABLED RealType cdf_imp(const cauchy_distribution<RealType, Poli
    { // Catches x == NaN
       return result;
    }
-   RealType mx = -fabs((x - location) / scale); // scale is > 0
-   if(mx > -tools::epsilon<RealType>() / 8)
-   {  // special case first: x extremely close to location.
-      return static_cast<RealType>(0.5f);
-   }
-   result = -atan(1 / mx) / constants::pi<RealType>();
-   return (((x > location) != complement) ? 1 - result : result);
+   RealType x_std = static_cast<RealType>((complement) ? 1 : -1)*(x - location) / scale;
+   return atan2(static_cast<RealType>(1), x_std) / constants::pi<RealType>();
 } // cdf
 
 template <class RealType, class Policy>
diff --git a/contrib/restricted/boost/math/include/boost/math/distributions/fwd.hpp b/contrib/restricted/boost/math/include/boost/math/distributions/fwd.hpp
index ccb3c0cd1bf..c231be418d4 100644
--- a/contrib/restricted/boost/math/include/boost/math/distributions/fwd.hpp
+++ b/contrib/restricted/boost/math/include/boost/math/distributions/fwd.hpp
@@ -11,8 +11,6 @@
 #ifndef BOOST_MATH_DISTRIBUTIONS_FWD_HPP
 #define BOOST_MATH_DISTRIBUTIONS_FWD_HPP
 
-// 33 distributions at Boost 1.9.1 after adding hyperexpon and arcsine
-
 namespace boost{ namespace math{
 
 template <class RealType, class Policy>
diff --git a/contrib/restricted/boost/math/include/boost/math/distributions/skew_normal.hpp b/contrib/restricted/boost/math/include/boost/math/distributions/skew_normal.hpp
index 7df81b6f5e1..28595a9ee8c 100644
--- a/contrib/restricted/boost/math/include/boost/math/distributions/skew_normal.hpp
+++ b/contrib/restricted/boost/math/include/boost/math/distributions/skew_normal.hpp
@@ -13,7 +13,7 @@
 // Azzalini, A. (1985). "A class of distributions which includes the normal ones".
 // Scand. J. Statist. 12: 171-178.
 
-#include <boost/math/distributions/fwd.hpp> // TODO add skew_normal distribution to fwd.hpp!
+#include <boost/math/distributions/fwd.hpp>
 #include <boost/math/special_functions/owens_t.hpp> // Owen's T function
 #include <boost/math/distributions/complement.hpp>
 #include <boost/math/distributions/normal.hpp>
diff --git a/contrib/restricted/boost/math/include/boost/math/special_functions/bessel.hpp b/contrib/restricted/boost/math/include/boost/math/special_functions/bessel.hpp
index c32f251bcda..f2f5c3ab2b5 100644
--- a/contrib/restricted/boost/math/include/boost/math/special_functions/bessel.hpp
+++ b/contrib/restricted/boost/math/include/boost/math/special_functions/bessel.hpp
@@ -96,7 +96,7 @@ BOOST_MATH_GPU_ENABLED inline T sph_bessel_j_small_z_series(unsigned v, T x, con
 }
 
 template <class T, class Policy>
-BOOST_MATH_GPU_ENABLED T cyl_bessel_j_imp_final(T v, T x, const bessel_no_int_tag& t, const Policy& pol)
+BOOST_MATH_GPU_ENABLED T cyl_bessel_j_imp_final(T v, T x, const bessel_no_int_tag&, const Policy& pol)
 {
    BOOST_MATH_STD_USING
 
@@ -264,7 +264,7 @@ BOOST_MATH_GPU_ENABLED T cyl_bessel_i_imp(T v, T x, const Policy& pol)
 }
 
 template <class T, class Policy>
-BOOST_MATH_GPU_ENABLED inline T cyl_bessel_k_imp(T v, T x, const bessel_no_int_tag& /* t */, const Policy& pol)
+BOOST_MATH_GPU_ENABLED inline T cyl_bessel_k_imp(T v, T x, const bessel_no_int_tag&, const Policy& pol)
 {
    constexpr auto function = "boost::math::cyl_bessel_k<%1%>(%1%,%1%)";
    BOOST_MATH_STD_USING
diff --git a/contrib/restricted/boost/math/include/boost/math/special_functions/detail/bessel_k0.hpp b/contrib/restricted/boost/math/include/boost/math/special_functions/detail/bessel_k0.hpp
index bab202b6cdf..a9387c865b4 100644
--- a/contrib/restricted/boost/math/include/boost/math/special_functions/detail/bessel_k0.hpp
+++ b/contrib/restricted/boost/math/include/boost/math/special_functions/detail/bessel_k0.hpp
@@ -470,7 +470,7 @@ BOOST_MATH_GPU_ENABLED T bessel_k0_imp(const T& x, const boost::math::integral_c
             BOOST_MATH_BIG_CONSTANT(T, 113, 8.370574966987293592457152146806662562e+03),
             BOOST_MATH_BIG_CONSTANT(T, 113, 4.871254714311063594080644835895740323e+01)
          };
-         if(x < tools::log_max_value<T>())
+         if(-x > tools::log_min_value<T>())
             return  ((tools::evaluate_rational(P, Q, T(1 / x)) + Y) * exp(-x) / sqrt(x));
          else
          {
diff --git a/contrib/restricted/boost/math/include/boost/math/special_functions/gamma.hpp b/contrib/restricted/boost/math/include/boost/math/special_functions/gamma.hpp
index 4a15782c019..809d610c185 100644
--- a/contrib/restricted/boost/math/include/boost/math/special_functions/gamma.hpp
+++ b/contrib/restricted/boost/math/include/boost/math/special_functions/gamma.hpp
@@ -111,11 +111,13 @@ BOOST_MATH_GPU_ENABLED T sinpx(T z)
 // tgamma(z), with Lanczos support:
 //
 template <class T, class Policy, class Lanczos>
-BOOST_MATH_GPU_ENABLED T gamma_imp_final(T z, const Policy& pol, const Lanczos&)
+BOOST_MATH_GPU_ENABLED T gamma_imp_final(T z, const Policy& pol, const Lanczos& l)
 {
    BOOST_MATH_STD_USING
+   
+   (void)l; // Suppresses unused variable warning when BOOST_MATH_INSTRUMENT is not defined
 
-   T result = 1;
+   T result = 1;  
 
 #ifdef BOOST_MATH_INSTRUMENT
    static bool b = false;
diff --git a/contrib/restricted/boost/math/include/boost/math/tools/precision.hpp b/contrib/restricted/boost/math/include/boost/math/tools/precision.hpp
index 662657732c5..6e863401d94 100644
--- a/contrib/restricted/boost/math/include/boost/math/tools/precision.hpp
+++ b/contrib/restricted/boost/math/include/boost/math/tools/precision.hpp
@@ -182,9 +182,13 @@ struct log_limit_traits
 {
    typedef typename boost::math::conditional<
       (boost::math::numeric_limits<T>::radix == 2) &&
-      (boost::math::numeric_limits<T>::max_exponent == 128
-         || boost::math::numeric_limits<T>::max_exponent == 1024
-         || boost::math::numeric_limits<T>::max_exponent == 16384),
+      (
+         (     boost::math::numeric_limits<T>::max_exponent == 128
+            || boost::math::numeric_limits<T>::max_exponent == 1024
+            || boost::math::numeric_limits<T>::max_exponent == 16384
+         )
+         && (-boost::math::numeric_limits<T>::min_exponent10 + 1 == boost::math::numeric_limits<T>::max_exponent10)
+      ),
       boost::math::integral_constant<int, (boost::math::numeric_limits<T>::max_exponent > (boost::math::numeric_limits<int>::max)() ? (boost::math::numeric_limits<int>::max)() : static_cast<int>(boost::math::numeric_limits<T>::max_exponent))>,
       boost::math::integral_constant<int, 0>
    >::type tag_type;
@@ -206,7 +210,7 @@ struct log_limit_noexcept_traits : public log_limit_noexcept_traits_imp<T, boost
 #endif
 
 template <class T>
-BOOST_MATH_GPU_ENABLED inline constexpr T log_max_value(BOOST_MATH_EXPLICIT_TEMPLATE_TYPE(T)) noexcept(detail::log_limit_noexcept_traits<T>::value)
+BOOST_MATH_GPU_ENABLED inline T log_max_value(BOOST_MATH_EXPLICIT_TEMPLATE_TYPE(T)) noexcept(detail::log_limit_noexcept_traits<T>::value)
 {
 #ifndef BOOST_MATH_HAS_NVRTC
    #ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
@@ -223,7 +227,7 @@ BOOST_MATH_GPU_ENABLED inline constexpr T log_max_value(BOOST_MATH_EXPLICIT_TEMP
 }
 
 template <class T>
-BOOST_MATH_GPU_ENABLED inline constexpr T log_min_value(BOOST_MATH_EXPLICIT_TEMPLATE_TYPE(T)) noexcept(detail::log_limit_noexcept_traits<T>::value)
+BOOST_MATH_GPU_ENABLED inline T log_min_value(BOOST_MATH_EXPLICIT_TEMPLATE_TYPE(T)) noexcept(detail::log_limit_noexcept_traits<T>::value)
 {
 #ifndef BOOST_MATH_HAS_NVRTC
    #ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
diff --git a/contrib/restricted/boost/math/ya.make b/contrib/restricted/boost/math/ya.make
index 988076c995c..e849921d0ce 100644
--- a/contrib/restricted/boost/math/ya.make
+++ b/contrib/restricted/boost/math/ya.make
@@ -6,9 +6,9 @@ LICENSE(BSL-1.0)
 
 LICENSE_TEXTS(.yandex_meta/licenses.list.txt)
 
-VERSION(1.87.0)
+VERSION(1.88.0)
 
-ORIGINAL_SOURCE(https://github.com/boostorg/math/archive/boost-1.87.0.tar.gz)
+ORIGINAL_SOURCE(https://github.com/boostorg/math/archive/boost-1.88.0.tar.gz)
 
 PEERDIR(
     contrib/restricted/boost/assert
diff --git a/contrib/restricted/boost/pool/.yandex_meta/default.nix b/contrib/restricted/boost/pool/.yandex_meta/default.nix
index 287bbfa3f5b..bc80a55c9e7 100644
--- a/contrib/restricted/boost/pool/.yandex_meta/default.nix
+++ b/contrib/restricted/boost/pool/.yandex_meta/default.nix
@@ -1,13 +1,13 @@
 self: super: with self; {
   boost_pool = stdenv.mkDerivation rec {
     pname = "boost_pool";
-    version = "1.87.0";
+    version = "1.88.0";
 
     src = fetchFromGitHub {
       owner = "boostorg";
       repo = "pool";
       rev = "boost-${version}";
-      hash = "sha256-epQslfXvCvtVTStR2VBVIKa6I1fkT8AAs3+5bDaBaHw=";
+      hash = "sha256-JurFimHIzn1P4VHnyiHdCusHKuBINyn019bLXpBbN/M=";
     };
   };
 }
diff --git a/contrib/restricted/boost/pool/.yandex_meta/devtools.licenses.report b/contrib/restricted/boost/pool/.yandex_meta/devtools.licenses.report
index 44487e2d1e0..88236d067f6 100644
--- a/contrib/restricted/boost/pool/.yandex_meta/devtools.licenses.report
+++ b/contrib/restricted/boost/pool/.yandex_meta/devtools.licenses.report
@@ -63,37 +63,37 @@ BELONGS ya.make
     Files with this license:
         LICENSE [1:23]
 
-KEEP     BSL-1.0              648ee54e68cb4c96cfd2e41a7a53e0f8
+KEEP     BSL-1.0              8f6a7508df640acaeae6c00eb6b48dc2
 BELONGS ya.make
-    License text:
-        \### License
-        Distributed under the [Boost Software License, Version 1.0](http://www.boost.org/LICENSE_1_0.txt).
+    Note: matched license text is too long. Read it in the source files.
     Scancode info:
         Original SPDX id: BSL-1.0
-        Score           : 60.00
+        Score           : 97.37
         Match type      : NOTICE
         Links           : http://www.boost.org/LICENSE_1_0.txt, http://www.boost.org/users/license.html, https://spdx.org/licenses/BSL-1.0
     Files with this license:
-        README.md [3:5]
+        include/boost/pool/detail/pool_construct.ipp [3:6]
 
-KEEP     BSL-1.0              8f6a7508df640acaeae6c00eb6b48dc2
+KEEP     BSL-1.0              a5006bb276a0e8fcc0c080cd5a14814e
 BELONGS ya.make
     Note: matched license text is too long. Read it in the source files.
     Scancode info:
         Original SPDX id: BSL-1.0
-        Score           : 97.37
+        Score           : 55.00
         Match type      : NOTICE
         Links           : http://www.boost.org/LICENSE_1_0.txt, http://www.boost.org/users/license.html, https://spdx.org/licenses/BSL-1.0
     Files with this license:
-        include/boost/pool/detail/pool_construct.ipp [3:6]
+        README.md [33:33]
 
-KEEP     BSL-1.0              901941bd35f9f19e23af80f6271c10c4
+KEEP     BSL-1.0              a84b62b7fab19a18e7129119ab661542
 BELONGS ya.make
-    Note: matched license text is too long. Read it in the source files.
+    License text:
+        \### License
+        Distributed under the [Boost Software License, Version 1.0](https://www.boost.org/LICENSE_1_0.txt).
     Scancode info:
         Original SPDX id: BSL-1.0
-        Score           : 60.00
+        Score           : 55.00
         Match type      : NOTICE
         Links           : http://www.boost.org/LICENSE_1_0.txt, http://www.boost.org/users/license.html, https://spdx.org/licenses/BSL-1.0
     Files with this license:
-        README.md [32:32]
+        README.md [3:5]
diff --git a/contrib/restricted/boost/pool/.yandex_meta/licenses.list.txt b/contrib/restricted/boost/pool/.yandex_meta/licenses.list.txt
index e6e0ed12922..6d66d84ceb7 100644
--- a/contrib/restricted/boost/pool/.yandex_meta/licenses.list.txt
+++ b/contrib/restricted/boost/pool/.yandex_meta/licenses.list.txt
@@ -1,11 +1,11 @@
 ====================BSL-1.0====================
 ### License
 
-Distributed under the [Boost Software License, Version 1.0](http://www.boost.org/LICENSE_1_0.txt).
+Distributed under the [Boost Software License, Version 1.0](https://www.boost.org/LICENSE_1_0.txt).
 
 
 ====================BSL-1.0====================
-* Submit your patches as pull requests against **develop** branch. Note that by submitting patches you agree to license your modifications under the [Boost Software License, Version 1.0](http://www.boost.org/LICENSE_1_0.txt).
+* Submit your patches as pull requests against **develop** branch. Note that by submitting patches you agree to license your modifications under the [Boost Software License, Version 1.0](https://www.boost.org/LICENSE_1_0.txt).
 
 
 ====================BSL-1.0====================
diff --git a/contrib/restricted/boost/pool/README.md b/contrib/restricted/boost/pool/README.md
index d67c175f331..5ecabca2542 100644
--- a/contrib/restricted/boost/pool/README.md
+++ b/contrib/restricted/boost/pool/README.md
@@ -1,8 +1,8 @@
-Pool, part of collection of the [Boost C++ Libraries](http://github.com/boostorg), provides an efficient way to handle memory suballocation for fixed-size items.
+Pool, part of collection of the [Boost C++ Libraries](https://github.com/boostorg), provides an efficient way to handle memory suballocation for fixed-size items.
 
 ### License
 
-Distributed under the [Boost Software License, Version 1.0](http://www.boost.org/LICENSE_1_0.txt).
+Distributed under the [Boost Software License, Version 1.0](https://www.boost.org/LICENSE_1_0.txt).
 
 ### Properties
 
@@ -11,10 +11,11 @@ Distributed under the [Boost Software License, Version 1.0](http://www.boost.org
 
 ### Build Status
 
-Branch          | GHA CI | Appveyor | Coverity Scan | codecov.io | Deps | Docs | Tests |
-:-------------: | ------ | -------- | ------------- | ---------- | ---- | ---- | ----- |
-[`master`](https://github.com/boostorg/pool/tree/master) | [![Build Status](https://github.com/boostorg/pool/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/boostorg/pool/actions?query=branch:master) | [![Build status](https://ci.appveyor.com/api/projects/status/ci0aakleyrgnw7ji/branch/master?svg=true)](https://ci.appveyor.com/project/jeking3/pool-6s5a4/branch/master) | [![Coverity Scan Build Status](https://scan.coverity.com/projects/15800/badge.svg)](https://scan.coverity.com/projects/boostorg-pool) | [![codecov](https://codecov.io/gh/boostorg/pool/branch/master/graph/badge.svg)](https://codecov.io/gh/boostorg/pool/branch/master)| [![Deps](https://img.shields.io/badge/deps-master-brightgreen.svg)](https://pdimov.github.io/boostdep-report/master/pool.html) | [![Documentation](https://img.shields.io/badge/docs-master-brightgreen.svg)](http://www.boost.org/doc/libs/master/doc/html/pool.html) | [![Enter the Matrix](https://img.shields.io/badge/matrix-master-brightgreen.svg)](http://www.boost.org/development/tests/master/developer/pool.html)
-[`develop`](https://github.com/boostorg/pool/tree/develop) | [![Build Status](https://github.com/boostorg/pool/actions/workflows/ci.yml/badge.svg?branch=develop)](https://github.com/boostorg/pool/actions?query=branch:develop) | [![Build status](https://ci.appveyor.com/api/projects/status/ci0aakleyrgnw7ji/branch/develop?svg=true)](https://ci.appveyor.com/project/jeking3/pool-6s5a4/branch/develop) | [![Coverity Scan Build Status](https://scan.coverity.com/projects/15800/badge.svg)](https://scan.coverity.com/projects/boostorg-pool) | [![codecov](https://codecov.io/gh/boostorg/pool/branch/develop/graph/badge.svg)](https://codecov.io/gh/boostorg/pool/branch/develop) | [![Deps](https://img.shields.io/badge/deps-develop-brightgreen.svg)](https://pdimov.github.io/boostdep-report/develop/pool.html) | [![Documentation](https://img.shields.io/badge/docs-develop-brightgreen.svg)](http://www.boost.org/doc/libs/develop/doc/html/pool.html) | [![Enter the Matrix](https://img.shields.io/badge/matrix-develop-brightgreen.svg)](http://www.boost.org/development/tests/develop/developer/pool.html)
+<!-- boost-ci/tools/makebadges.sh --project pool --appveyor j6otdvyec8ycs9h1 --codecov blmk8CZxg2 --coverity 15800 -->
+| Branch          | GHA CI | Appveyor | Coverity Scan | codecov.io | Deps | Docs | Tests |
+| :-------------: | ------ | -------- | ------------- | ---------- | ---- | ---- | ----- |
+| [`master`](https://github.com/boostorg/pool/tree/master) | [![Build Status](https://github.com/boostorg/pool/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/boostorg/pool/actions?query=branch:master) | [![Build status](https://ci.appveyor.com/api/projects/status/j6otdvyec8ycs9h1/branch/master?svg=true)](https://ci.appveyor.com/project/cppalliance/pool/branch/master) | [![Coverity Scan Build Status](https://scan.coverity.com/projects/15800/badge.svg)](https://scan.coverity.com/projects/boostorg-pool) | [![codecov](https://codecov.io/gh/boostorg/pool/branch/master/graph/badge.svg?token=blmk8CZxg2)](https://codecov.io/gh/boostorg/pool/tree/master) | [![Deps](https://img.shields.io/badge/deps-master-brightgreen.svg)](https://pdimov.github.io/boostdep-report/master/pool.html) | [![Documentation](https://img.shields.io/badge/docs-master-brightgreen.svg)](https://www.boost.org/doc/libs/master/libs/pool) | [![Enter the Matrix](https://img.shields.io/badge/matrix-master-brightgreen.svg)](https://www.boost.org/development/tests/master/developer/pool.html)
+| [`develop`](https://github.com/boostorg/pool/tree/develop) | [![Build Status](https://github.com/boostorg/pool/actions/workflows/ci.yml/badge.svg?branch=develop)](https://github.com/boostorg/pool/actions?query=branch:develop) | [![Build status](https://ci.appveyor.com/api/projects/status/j6otdvyec8ycs9h1/branch/develop?svg=true)](https://ci.appveyor.com/project/cppalliance/pool/branch/develop) | [![Coverity Scan Build Status](https://scan.coverity.com/projects/15800/badge.svg)](https://scan.coverity.com/projects/boostorg-pool) | [![codecov](https://codecov.io/gh/boostorg/pool/branch/develop/graph/badge.svg?token=blmk8CZxg2)](https://codecov.io/gh/boostorg/pool/tree/develop) | [![Deps](https://img.shields.io/badge/deps-develop-brightgreen.svg)](https://pdimov.github.io/boostdep-report/develop/pool.html) | [![Documentation](https://img.shields.io/badge/docs-develop-brightgreen.svg)](https://www.boost.org/doc/libs/develop/libs/pool) | [![Enter the Matrix](https://img.shields.io/badge/matrix-develop-brightgreen.svg)](https://www.boost.org/development/tests/develop/developer/pool.html)
 
 ### Directories
 
@@ -27,8 +28,8 @@ Branch          | GHA CI | Appveyor | Coverity Scan | codecov.io | Deps | Docs |
 
 ### More information
 
-* [Ask questions](http://stackoverflow.com/questions/ask?tags=c%2B%2B,boost,boost-pool)
+* [Ask questions](https://stackoverflow.com/questions/ask?tags=c%2B%2B,boost,boost-pool)
 * [Report bugs](https://github.com/boostorg/pool/issues): Be sure to mention Boost version, platform and compiler you're using. A small compilable code sample to reproduce the problem is always good as well.
-* Submit your patches as pull requests against **develop** branch. Note that by submitting patches you agree to license your modifications under the [Boost Software License, Version 1.0](http://www.boost.org/LICENSE_1_0.txt).
-* Discussions about the library are held on the [Boost developers mailing list](http://www.boost.org/community/groups.html#main). Be sure to read the [discussion policy](http://www.boost.org/community/policy.html) before posting and add the `[pool]` tag at the beginning of the subject line.
+* Submit your patches as pull requests against **develop** branch. Note that by submitting patches you agree to license your modifications under the [Boost Software License, Version 1.0](https://www.boost.org/LICENSE_1_0.txt).
+* Discussions about the library are held on the [Boost developers mailing list](https://www.boost.org/community/groups.html#main). Be sure to read the [discussion policy](https://www.boost.org/community/policy.html) before posting and add the `[pool]` tag at the beginning of the subject line.
 
diff --git a/contrib/restricted/boost/pool/include/boost/pool/pool.hpp b/contrib/restricted/boost/pool/include/boost/pool/pool.hpp
index f6d9e6c82f0..3ca16fdbe0f 100644
--- a/contrib/restricted/boost/pool/include/boost/pool/pool.hpp
+++ b/contrib/restricted/boost/pool/include/boost/pool/pool.hpp
@@ -39,7 +39,7 @@
 
 #ifdef BOOST_POOL_INSTRUMENT
 #include <iostream>
-#include<iomanip>
+#include <iomanip>
 #endif
 #ifdef BOOST_POOL_VALGRIND
 #include <set>
diff --git a/contrib/restricted/boost/pool/include/boost/pool/simple_segregated_storage.hpp b/contrib/restricted/boost/pool/include/boost/pool/simple_segregated_storage.hpp
index e0d8c42b92b..fffd4ee6635 100644
--- a/contrib/restricted/boost/pool/include/boost/pool/simple_segregated_storage.hpp
+++ b/contrib/restricted/boost/pool/include/boost/pool/simple_segregated_storage.hpp
@@ -328,19 +328,6 @@ void * simple_segregated_storage<SizeType>::try_malloc_n(
     void * & start, size_type n, const size_type partition_size)
 {
   void * iter = nextof(start);
-  if (n == 1)
-  {
-    void * next = nextof(iter);
-    if (next != static_cast<char *>(iter) + partition_size)
-    {
-      start = iter;
-      return 0;
-    }
-    else
-    {
-      return iter;
-    }
-  }
   while (--n != 0)
   {
     void * next = nextof(iter);
diff --git a/contrib/restricted/boost/pool/ya.make b/contrib/restricted/boost/pool/ya.make
index ccf63a42378..535ec92bc63 100644
--- a/contrib/restricted/boost/pool/ya.make
+++ b/contrib/restricted/boost/pool/ya.make
@@ -6,9 +6,9 @@ LICENSE(BSL-1.0)
 
 LICENSE_TEXTS(.yandex_meta/licenses.list.txt)
 
-VERSION(1.87.0)
+VERSION(1.88.0)
 
-ORIGINAL_SOURCE(https://github.com/boostorg/pool/archive/boost-1.87.0.tar.gz)
+ORIGINAL_SOURCE(https://github.com/boostorg/pool/archive/boost-1.88.0.tar.gz)
 
 PEERDIR(
     contrib/restricted/boost/assert