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<p class="MsoNormal">>> How hard is it for a C/C++ compiler to treat the types as incompatible in C mode and differently in C++ mode?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">In the current C++ proposal, <span style="font-family:"Courier New"">
std::float32_t</span> (which is the closest C++ equivalent to <span style="font-family:"Courier New"">
_Float32</span>) and <span style="font-family:"Courier New"">float</span> must be different types. See
<a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2020/p1467r4.html#alias-alias">
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2020/p1467r4.html#alias-alias</a>
<o:p></o:p></p>
<p class="MsoNormal">In this area, the C and C++ proposals are compatible. I do not expect that any differences between C and C++ for floating-point types will be a burden on implementers of combined C/C++ compilers.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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