1 #if !defined(__cplusplus) 2 #if (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) \ 3 || defined(__GNUC__) \ 4 || defined(__INTEL_COMPILER) \ 5 || defined(__IBMC__) \ 6 7 #include <complex.h> 8 #if !defined(_Complex_I) 9 #error The "complex.h" header does not define the '_Complex_I' macro. 10 #error Please report this to Cython developers <cython-dev@codespeak.net> 11 #endif 12 13 #endif 14 #endif 15