Open robertwb opened 7 years ago
Reported by jdemeyer on 12 May 2016 08:26 UTC The Cython module
cimport numpy as np cdef np.float64_t x cdef np.complex128_t y cdef foo(self): return x / y
gives compiler warnings
...: implicit declaration of function fabs_npy_float64 [ } else if (fabs_npy_float64(b.real) >= fabs_npy_float64(b.imag)) { ^ ...: implicit declaration of function hypot_npy_float64 [-Wimplicit-function-declaration](-Wimplicit-function-declaration] ) return hypot_npy_float64(z.real, z.imag); ^ ...: implicit declaration of function atan2_npy_float64 [ theta = atan2_npy_float64(a.imag, a.real); ^ ...: implicit declaration of function log_npy_float64 [-Wimplicit-function-declaration](-Wimplicit-function-declaration] ) lnr = log_npy_float64(r); ^ ...: implicit declaration of function exp_npy_float64 [ z_r = exp_npy_float64(lnr * b.real - theta * b.imag); ^ ...: implicit declaration of function cos_npy_float64 [-Wimplicit-function-declaration](-Wimplicit-function-declaration] ) z.real = z_r * cos_npy_float64(z_theta); ^ ...: implicit declaration of function sin_npy_float64 [-Wimplicit-function-declaration] z.imag = z_r * sin_npy_float64(z_theta); ^
and an error when imported:
ImportError: .../cybug.so: undefined symbol: fabs_npy_float64
The import error is a regression since Cython 0.24, the compiler warnings are also in the released Cython 0.24.
Migrated-From: http://trac.cython.org/ticket/879
Comment by jdemeyer on 12 May 2016 08:48 UTC Compiling this as C++ code works around the problem.
Reported by jdemeyer on 12 May 2016 08:26 UTC The Cython module
gives compiler warnings
and an error when imported:
The import error is a regression since Cython 0.24, the compiler warnings are also in the released Cython 0.24.
Migrated-From: http://trac.cython.org/ticket/879