def to_int64(a):
    """Return view of the recarray with all int32 cast to int64."""
    # build new dtype and replace i4 --> i8
    def promote_i4(typestr):
        if typestr[1:] == 'i4':
            typestr = typestr[0]+'i8'
        return typestr

    dtype = [(name, promote_i4(typestr)) for name,typestr in a.dtype.descr]
    return a.astype(dtype)
def to_int64(a):
    """Return view of the recarray with all int32 cast to int64."""
    # build new dtype and replace i4 --> i8
    def promote_i4(typestr):
        if typestr[1:] == 'i4':
            typestr = typestr[0]+'i8'
        return typestr

    dtype = [(name, promote_i4(typestr)) for name,typestr in a.dtype.descr]
    return a.astype(dtype)
def to_int64 ( a ) : # build new dtype and replace i4 --> i8 def promote_i4 ( typestr ) : if typestr [ 1 : ] == 'i4' : typestr = typestr [ 0 ] + 'i8' return typestr dtype = [ ( name , promote_i4 ( typestr ) ) for name , typestr in a . dtype . descr ] return a . astype ( dtype )
Return view of the recarray with all int32 cast to int64.
Return view of the recarray with all int32 cast to int64 .