[英]f2py triggers malloc error
我目前包裝Fortran代碼與f2py
。 但是,即使是一些簡單的測試也會觸發malloc錯誤。 例如:
! file name is simple.F90
SUBROUTINE test(aout, ain, rank)
INTEGER :: rank
COMPLEX(kind=16) :: ain(rank, rank)
COMPLEX(kind=16), INTENT(out) :: aout(rank, rank)
print *, ain
aout = ain
END SUBROUTINE test
我用f2py -m simple -c simple.F90
封裝了這段代碼並使用了它:
import simple
import numpy as np
ain = np.array([[1,0],[0,1]],dtype="complex")
simple.test(ain,2)
輸出相當混亂:
(2.98323129689261721470924741607413318E-4947,0.00000000000000000000000000000000000) (0.00000000000000000000000000000000000,2.98323129689261721470924741607413318E-4947) (5.43913343041483495234482095052061699E-4937,1.19445898260724927749750105155089048E-4946) (2.03058027046167518900674768173335535E-4945,5.42471021397611822645684765587671432E-4937)
Python(9481,0x7fff7ad40000) malloc: \*** error for object 0x7fabcaa1adc8: incorrect checksum for freed object - object was probably modified after being freed.
*** set a breakpoint in malloc_error_break to debug
Abort trap: 6
Fortran子例程未獲取正確的數組,並且內存有問題。
更多信息:
由於所有的評論中指出的, kind
是在這里指責什么。 之后我用下面的約定解決了所有的問題。
INTEGER, PARAMETER :: dp = kind(1.0d0)
REAL(kind=dp) :: a_real_number
COMPLEX(kind=dp) :: a_complex_number
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