migrate C/C++ code "typedef struct" to python

Question

i have a question:

I try to programing an ANT algorithm on python but I have a code on C++, and i don't know how to programing this part:

typedef struct {
    int x;
    int y;
} cityType;

typedef struct {
    int curCity;
    int nextCity;
                       //MAX_CITIES
    unsigned char tabu[15];
    int pathIndex;
                       //MAX_CITIES
    unsigned char path[15];
    double tourLength;
} antType;

I programing this, but i am not realy sure

class CityType:
    def __init__(self):
        self.x = arange(MAX_CITIES)
        self.y = arange(MAX_CITIES)

# Class AntType
class AntType:
    def __init__(self):
        self.curCity = arange(MAX_ANTS)
        self.nextCity = arange(MAX_ANTS)
        self.tabu = arange(MAX_ANTS)
        self.pathIndex = arange(MAX_ANTS)
        self.path = arange(MAX_ANTS)
        self.tourLength = arange(MAX_ANTS)

Thanks

am I supposed to know what an ANT algorithm is? What is an ANT algorithm? — tiwo
– tiwo, Commented Jul 21, 2012 at 23:49
docs.scipy.org/doc/numpy/reference/generated/numpy.arange.html Implied from foo import arange statements not shown on SO make things challenging. — msw
– msw, Commented Jul 22, 2012 at 0:12

tiwo · Accepted Answer · 2012-07-21 23:48:27Z

2

There is nothing really wrong with that. But in trying to do a word-by-word translation, you are not using the full power and conveniance that Python offers.

For example, if CityType has only two members, x and y, maybe just a tuple of length two is more pythonic. The NamedTuple provides access to tuple members "by name".

answered Jul 21, 2012 at 23:48

tiwo

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1 Comment

Jaime Andres Rincon Arango Over a year ago

Hi tiwo, thanks for your answer in this moment i am changing my code, if its ok i will tell you about it. thanks

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