This may be a somewhat newbie question.This is cross-posted on stack exchange before I found this list. (https://stackoverflow.com/questions/51062374/different-behavior-with-enable-...)
I'm having trouble compiling the following piece of boost-based code:
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#include #include <complex>
int main(){ std::complex my_interval(1,1); my_interval *= my_interval; return 0;}
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When I compile using g++ (MacPorts gcc5 5.5.0_1), I get no compilation errors (g++ -std=c++14 main.cpp).
When I compile using clang++ (Apple LLVM version 8.1.0 (clang-802.0.38)), I get compilation errors (clang++ -std=c++14 main.cpp).
Summarizing the error, it appears that an enable_if in cmath (line 424: std::enable_if::value, bool>::type) is preventing isnan from being defined for boost::numeric::interval<double> (at least in clang++).
Am I doing something wrong or is there a work around? I realize that this might be more of a std::complex question than a boost question, but since it involves boost, I thought that I'd ask here.
Thank you. The full and complete error is below.
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Full and Complete Error:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/complex:599:9: error: no matching function for call to 'isnan' if (isnan(__x) && isnan(__y)) ^~~~~/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/complex:312:27: note: in instantiation of function template specialization 'std::__1::operator* > >' requested here *this = *this * complex(__c.real(), __c.imag()); ^main.cpp:6:15: note: in instantiation of function template specialization 'std::__1::complex > >::operator*= > >' requested here my_interval *= my_interval; ^/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:424:25: note: candidate template ignored: disabled by 'enable_if' [with _A1 = boost::numeric::interval >]typename std::enable_if::value, bool>::type
