diff --git a/src/arch/helperadvsimd.h b/src/arch/helperadvsimd.h
index a0a2c685..ae3f3ef9 100644
--- a/src/arch/helperadvsimd.h
+++ b/src/arch/helperadvsimd.h
@@ -1,5 +1,5 @@
 /*********************************************************************/
-/*          Copyright ARM Ltd. 2010 - 2017.                          */
+/*          Copyright ARM Ltd. 2010 - 2019.                          */
 /* Distributed under the Boost Software License, Version 1.0.        */
 /*    (See accompanying file LICENSE.txt or copy at                  */
 /*          http://www.boost.org/LICENSE_1_0.txt)                    */
diff --git a/src/arch/helperavx.h b/src/arch/helperavx.h
index 547793f8..5844ef07 100644
--- a/src/arch/helperavx.h
+++ b/src/arch/helperavx.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/arch/helperavx2.h b/src/arch/helperavx2.h
index b6a0bdba..3df1c82c 100644
--- a/src/arch/helperavx2.h
+++ b/src/arch/helperavx2.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/arch/helperavx2_128.h b/src/arch/helperavx2_128.h
index d170a9b4..409b0ae6 100644
--- a/src/arch/helperavx2_128.h
+++ b/src/arch/helperavx2_128.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/arch/helperavx512f.h b/src/arch/helperavx512f.h
index e162fd9e..04b1fd71 100644
--- a/src/arch/helperavx512f.h
+++ b/src/arch/helperavx512f.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/arch/helperneon32.h b/src/arch/helperneon32.h
index 77ab02b6..ad7105e9 100644
--- a/src/arch/helperneon32.h
+++ b/src/arch/helperneon32.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/arch/helperpower_128.h b/src/arch/helperpower_128.h
index 6440e87b..220699ed 100644
--- a/src/arch/helperpower_128.h
+++ b/src/arch/helperpower_128.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/arch/helperpurec.h b/src/arch/helperpurec.h
index 65f0d7c2..11e063fd 100644
--- a/src/arch/helperpurec.h
+++ b/src/arch/helperpurec.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/arch/helperpurec_scalar.h b/src/arch/helperpurec_scalar.h
index 94baa38e..9c11ace4 100644
--- a/src/arch/helperpurec_scalar.h
+++ b/src/arch/helperpurec_scalar.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/arch/helpersse2.h b/src/arch/helpersse2.h
index 02d63824..c0875781 100644
--- a/src/arch/helpersse2.h
+++ b/src/arch/helpersse2.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/arch/helpersve.h b/src/arch/helpersve.h
index 5d8c3ee2..547882da 100644
--- a/src/arch/helpersve.h
+++ b/src/arch/helpersve.h
@@ -1,5 +1,5 @@
 /*********************************************************************/
-/*          Copyright ARM Ltd. 2010 - 2017.                          */
+/*          Copyright ARM Ltd. 2010 - 2019.                          */
 /* Distributed under the Boost Software License, Version 1.0.        */
 /*    (See accompanying file LICENSE.txt or copy at                  */
 /*          http://www.boost.org/LICENSE_1_0.txt)                    */
diff --git a/src/arch/helpervecext.h b/src/arch/helpervecext.h
index 22994819..b9d20a35 100644
--- a/src/arch/helpervecext.h
+++ b/src/arch/helpervecext.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/common/arraymap.c b/src/common/arraymap.c
index c6f191cc..43d44910 100644
--- a/src/common/arraymap.c
+++ b/src/common/arraymap.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/common/arraymap.h b/src/common/arraymap.h
index 49612bb3..10d9620f 100644
--- a/src/common/arraymap.h
+++ b/src/common/arraymap.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/common/common.c b/src/common/common.c
index ec724177..43137ad7 100644
--- a/src/common/common.c
+++ b/src/common/common.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/common/common.h b/src/common/common.h
index 42bc8e4e..ab2afeb8 100644
--- a/src/common/common.h
+++ b/src/common/common.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/common/f128util.h b/src/common/f128util.h
index 6a9206e9..25e63fc7 100644
--- a/src/common/f128util.h
+++ b/src/common/f128util.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/common/misc.h b/src/common/misc.h
index 5c8e75a3..1c326a3b 100644
--- a/src/common/misc.h
+++ b/src/common/misc.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft-tester/bench1d.c b/src/dft-tester/bench1d.c
index 1c44f51d..21ebb805 100644
--- a/src/dft-tester/bench1d.c
+++ b/src/dft-tester/bench1d.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft-tester/fftwtest1d.c b/src/dft-tester/fftwtest1d.c
index cdbb0c1f..d60dc03c 100644
--- a/src/dft-tester/fftwtest1d.c
+++ b/src/dft-tester/fftwtest1d.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft-tester/fftwtest2d.c b/src/dft-tester/fftwtest2d.c
index e9184967..424f431c 100644
--- a/src/dft-tester/fftwtest2d.c
+++ b/src/dft-tester/fftwtest2d.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft-tester/measuredft.c b/src/dft-tester/measuredft.c
index 7d3d678f..c4cdbebd 100644
--- a/src/dft-tester/measuredft.c
+++ b/src/dft-tester/measuredft.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft-tester/naivetest.c b/src/dft-tester/naivetest.c
index 56e8cb19..75eb9529 100644
--- a/src/dft-tester/naivetest.c
+++ b/src/dft-tester/naivetest.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft-tester/roundtriptest1d.c b/src/dft-tester/roundtriptest1d.c
index 8cbdc4e0..3657d053 100644
--- a/src/dft-tester/roundtriptest1d.c
+++ b/src/dft-tester/roundtriptest1d.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft-tester/roundtriptest2d.c b/src/dft-tester/roundtriptest2d.c
index 7e2f20ff..38331d58 100644
--- a/src/dft-tester/roundtriptest2d.c
+++ b/src/dft-tester/roundtriptest2d.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft-tester/tutorial.c b/src/dft-tester/tutorial.c
index 48ea9c29..04aefcee 100644
--- a/src/dft-tester/tutorial.c
+++ b/src/dft-tester/tutorial.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft/dft.c b/src/dft/dft.c
index ad9d603d..dbab29ab 100644
--- a/src/dft/dft.c
+++ b/src/dft/dft.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft/dftcommon.c b/src/dft/dftcommon.c
index 8cce64fb..8615b2d7 100644
--- a/src/dft/dftcommon.c
+++ b/src/dft/dftcommon.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft/dftcommon.h b/src/dft/dftcommon.h
index d8ce99e6..d95925a9 100644
--- a/src/dft/dftcommon.h
+++ b/src/dft/dftcommon.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft/mkdispatch.c b/src/dft/mkdispatch.c
index 73217601..d9e34cc1 100644
--- a/src/dft/mkdispatch.c
+++ b/src/dft/mkdispatch.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft/mkunroll.c b/src/dft/mkunroll.c
index f6dd46ee..485e5ff0 100644
--- a/src/dft/mkunroll.c
+++ b/src/dft/mkunroll.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft/unroll0.org b/src/dft/unroll0.org
index 8e80b01d..558b4b56 100644
--- a/src/dft/unroll0.org
+++ b/src/dft/unroll0.org
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/dft/vectortype.h b/src/dft/vectortype.h
index fe3f4ff6..4b4fff3f 100644
--- a/src/dft/vectortype.h
+++ b/src/dft/vectortype.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-benchmarks/benchsleef.c b/src/libm-benchmarks/benchsleef.c
index aa511acc..04c58bff 100644
--- a/src/libm-benchmarks/benchsleef.c
+++ b/src/libm-benchmarks/benchsleef.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-benchmarks/benchsleef128.c b/src/libm-benchmarks/benchsleef128.c
index 190fdc03..bc56d281 100644
--- a/src/libm-benchmarks/benchsleef128.c
+++ b/src/libm-benchmarks/benchsleef128.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-benchmarks/benchsleef256.c b/src/libm-benchmarks/benchsleef256.c
index 5d3351c0..e44bb28d 100644
--- a/src/libm-benchmarks/benchsleef256.c
+++ b/src/libm-benchmarks/benchsleef256.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-benchmarks/benchsleef512.c b/src/libm-benchmarks/benchsleef512.c
index 3596c933..0125e093 100644
--- a/src/libm-benchmarks/benchsleef512.c
+++ b/src/libm-benchmarks/benchsleef512.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-benchmarks/benchsvml.c b/src/libm-benchmarks/benchsvml.c
index 34ce1956..1f2850a9 100644
--- a/src/libm-benchmarks/benchsvml.c
+++ b/src/libm-benchmarks/benchsvml.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-benchmarks/benchsvml128.c b/src/libm-benchmarks/benchsvml128.c
index e9a316aa..20bfbde6 100644
--- a/src/libm-benchmarks/benchsvml128.c
+++ b/src/libm-benchmarks/benchsvml128.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-benchmarks/benchsvml256.c b/src/libm-benchmarks/benchsvml256.c
index 5dc1388a..669ddaf8 100644
--- a/src/libm-benchmarks/benchsvml256.c
+++ b/src/libm-benchmarks/benchsvml256.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-benchmarks/benchsvml512.c b/src/libm-benchmarks/benchsvml512.c
index 46d682b2..12988786 100644
--- a/src/libm-benchmarks/benchsvml512.c
+++ b/src/libm-benchmarks/benchsvml512.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-tester/iut.c b/src/libm-tester/iut.c
index 50117e28..20766bbc 100644
--- a/src/libm-tester/iut.c
+++ b/src/libm-tester/iut.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-tester/iutsimd.c b/src/libm-tester/iutsimd.c
index e1cf8416..7ea2c36f 100644
--- a/src/libm-tester/iutsimd.c
+++ b/src/libm-tester/iutsimd.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-tester/iutsimdmain.c b/src/libm-tester/iutsimdmain.c
index 2cce35fe..379c106b 100644
--- a/src/libm-tester/iutsimdmain.c
+++ b/src/libm-tester/iutsimdmain.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-tester/tester.c b/src/libm-tester/tester.c
index d60030b4..cdc7e19f 100644
--- a/src/libm-tester/tester.c
+++ b/src/libm-tester/tester.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-tester/tester2dp.c b/src/libm-tester/tester2dp.c
index e9130d50..d9356466 100644
--- a/src/libm-tester/tester2dp.c
+++ b/src/libm-tester/tester2dp.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-tester/tester2ld.c b/src/libm-tester/tester2ld.c
index 007ba34e..7f7b3a37 100644
--- a/src/libm-tester/tester2ld.c
+++ b/src/libm-tester/tester2ld.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-tester/tester2qp.c b/src/libm-tester/tester2qp.c
index 23a01341..9f07695b 100644
--- a/src/libm-tester/tester2qp.c
+++ b/src/libm-tester/tester2qp.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-tester/tester2simddp.c b/src/libm-tester/tester2simddp.c
index 1d8bb062..12d8dc90 100644
--- a/src/libm-tester/tester2simddp.c
+++ b/src/libm-tester/tester2simddp.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-tester/tester2simdsp.c b/src/libm-tester/tester2simdsp.c
index 00a84460..4356c91c 100644
--- a/src/libm-tester/tester2simdsp.c
+++ b/src/libm-tester/tester2simdsp.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-tester/tester2sp.c b/src/libm-tester/tester2sp.c
index f75c408b..b652610c 100644
--- a/src/libm-tester/tester2sp.c
+++ b/src/libm-tester/tester2sp.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-tester/tester3.c b/src/libm-tester/tester3.c
index 89cc7cb4..4d034707 100644
--- a/src/libm-tester/tester3.c
+++ b/src/libm-tester/tester3.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-tester/tester3main.c b/src/libm-tester/tester3main.c
index ad9e31fd..6c0dfd66 100644
--- a/src/libm-tester/tester3main.c
+++ b/src/libm-tester/tester3main.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-tester/testerutil.c b/src/libm-tester/testerutil.c
index 4ff7c2c3..8f968790 100644
--- a/src/libm-tester/testerutil.c
+++ b/src/libm-tester/testerutil.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm-tester/testerutil.h b/src/libm-tester/testerutil.h
index cc5d08dd..7ec6050e 100644
--- a/src/libm-tester/testerutil.h
+++ b/src/libm-tester/testerutil.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/dd.h b/src/libm/dd.h
index a746b94a..e4f5d30f 100644
--- a/src/libm/dd.h
+++ b/src/libm/dd.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/df.h b/src/libm/df.h
index ca079b47..0a44e900 100644
--- a/src/libm/df.h
+++ b/src/libm/df.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/dispavx.c.org b/src/libm/dispavx.c.org
index 8a5321bc..a720bdd5 100644
--- a/src/libm/dispavx.c.org
+++ b/src/libm/dispavx.c.org
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/dispsse.c.org b/src/libm/dispsse.c.org
index 6c9d3f23..3ba08249 100644
--- a/src/libm/dispsse.c.org
+++ b/src/libm/dispsse.c.org
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/funcproto.h b/src/libm/funcproto.h
index bf35f1d7..12cd63f1 100644
--- a/src/libm/funcproto.h
+++ b/src/libm/funcproto.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/mkalias.c b/src/libm/mkalias.c
index d1c651aa..b677e052 100644
--- a/src/libm/mkalias.c
+++ b/src/libm/mkalias.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/mkdisp.c b/src/libm/mkdisp.c
index 54cc65ca..7dd9fba8 100644
--- a/src/libm/mkdisp.c
+++ b/src/libm/mkdisp.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/mkmasked_gnuabi.c b/src/libm/mkmasked_gnuabi.c
index f1fdfefc..ff9ce9b0 100644
--- a/src/libm/mkmasked_gnuabi.c
+++ b/src/libm/mkmasked_gnuabi.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/mkrename.c b/src/libm/mkrename.c
index ef97c03a..8c5fd512 100644
--- a/src/libm/mkrename.c
+++ b/src/libm/mkrename.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/mkrename_gnuabi.c b/src/libm/mkrename_gnuabi.c
index db6ed6d6..f797bf9c 100644
--- a/src/libm/mkrename_gnuabi.c
+++ b/src/libm/mkrename_gnuabi.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/norename.h b/src/libm/norename.h
index 07c6a40b..190e652a 100755
--- a/src/libm/norename.h
+++ b/src/libm/norename.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/rempitab.c b/src/libm/rempitab.c
index fc577b44..6d8d98d1 100644
--- a/src/libm/rempitab.c
+++ b/src/libm/rempitab.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/rename.h b/src/libm/rename.h
index dd0d9f0c..467b2f4d 100644
--- a/src/libm/rename.h
+++ b/src/libm/rename.h
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/sleefld.c b/src/libm/sleefld.c
index faae5692..b75a7ed5 100644
--- a/src/libm/sleefld.c
+++ b/src/libm/sleefld.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/sleeflibm_header.h.org b/src/libm/sleeflibm_header.h.org
index 92ff10e0..c24e08d2 100644
--- a/src/libm/sleeflibm_header.h.org
+++ b/src/libm/sleeflibm_header.h.org
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/sleefqp.c b/src/libm/sleefqp.c
index 3bdaff38..bd9c195d 100644
--- a/src/libm/sleefqp.c
+++ b/src/libm/sleefqp.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2017.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/sleefsimdsp.c b/src/libm/sleefsimdsp.c
index cf78cb7f..4721f602 100644
--- a/src/libm/sleefsimdsp.c
+++ b/src/libm/sleefsimdsp.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libm/sleefsp.c b/src/libm/sleefsp.c
index a59d8b30..4c4729df 100644
--- a/src/libm/sleefsp.c
+++ b/src/libm/sleefsp.c
@@ -1,4 +1,4 @@
-//          Copyright Naoki Shibata 2010 - 2018.
+//          Copyright Naoki Shibata 2010 - 2019.
 // Distributed under the Boost Software License, Version 1.0.
 //    (See accompanying file LICENSE.txt or copy at
 //          http://www.boost.org/LICENSE_1_0.txt)