Upgrade GSL Library to v2.7.1
GSL library is updated to v2.7.1 via vcpkg: gsl:x64-windows.
Therefore the test can be executed.
Resolves issues #21 (closed) #660 (closed) #160 (closed)
GSL library is updated to v2.7.1 via vcpkg: gsl:x64-windows.
Therefore the test can be executed.
Resolves issues #21 (closed) #660 (closed) #160 (closed)