http://blogs.msdn.com/b/vcblog/archive/2013/07/19/c99-library-support-in-visual-studio-2013.aspx
C99 support added visual studio 2013, but I cant use complex.h in my
Another way is to define like:
/*_Fcomplex */ _C_float_complex a = _FCbuild(5.0F, 1.0F); printf( "z = %.1f% + .1fi\n", crealf(a), cimagf(a)); /*_Dcomplex*/ _C_double_complex b = _Cbuild(3.0, 2.0); printf("z = %.1f% + .1fi\n",creal(b), cimag(b));