https://svn.boost.org/trac10/ticket/13597 <p> I'm using Microsoft Visual Studio 15.6.0 to compile boost 1.67.0. I use compiler flag /W4 and compile for x64 platform. The following warnings (which we declared an error for our project) occur in geometry: </p> <p> <strong>\boost_1_67_0\boost\geometry\algorithms\detail\expand\point.hpp(73): error C4244: 'argument': conversion from 'const coordinate_type' to 'const int', possible loss of data</strong> </p> <p> <strong>\boost_1_67_0\boost\geometry\strategies\cartesian\side_by_triangle.hpp(114): error C4244: 'initializing': conversion from 'coordinate_type' to 'const promoted_type', possible loss of data</strong> </p> <p> <strong>\boost_1_67_0\boost\geometry\algorithms\detail\equals\collect_vectors.hpp(91): error C4244: 'initializing': conversion from '<span class="underline">int64' to 'double', possible loss of data</span></strong><span class="underline"> </span></p> <p> <strong>\boost_1_67_0\boost\geometry\strategies\cartesian\intersection.hpp(159): error C4244: 'return': conversion from '<span class="underline">int64' to 'double', possible loss of data</span></strong><span class="underline"> </span></p> <p> Consider related ticket <a class="new ticket" href="https://svn.boost.org/trac10/ticket/10667" title="#10667: Support Requests: VC++ 2013 compiler warning C4244: 'initializing' : conversion from ... (new)">#10667</a>. </p> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/13597 Trac 1.4.3 Volker Schöch <vschoech@…> Wed, 13 Jun 2018 13:35:13 GMT https://svn.boost.org/trac10/ticket/13597#comment:1 https://svn.boost.org/trac10/ticket/13597#comment:1 <ul> <li><strong>summary</strong> <span class="trac-field-old">VC++ 15 compiler warning C4244: 'argument': conversion from 'const coordinate_type' to 'const int', possible loss of data**</span> → <span class="trac-field-new">VC++ 15 compiler warning C4244: 'argument': conversion from 'const coordinate_type' to 'const int', possible loss of data</span> </li> </ul> Ticket Volker Schöch <vschoech@…> Thu, 14 Jun 2018 09:42:23 GMT