On 1 Jan 2014 13:57, "Bart Baker" <[email protected]> wrote: > > Hello, > > I'm having issues with performing operations on an array in C and > passing it back to Python. The array values seem to become unitialized > upon being passed back to Python. My first attempt involved initializing > the array in C as so: > > double a_fin[max_mth]; > > where max_mth is an int.
You're stack-allocating your array, so the memory is getting recycled for other uses as soon as your C function returns. You should malloc it instead (but you don't have to worry about free'ing it, numpy will do that when the array object is deconstructed). Any C reference will fill you in on the details of stack versus malloc allocation. -n
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