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Project Description

BitMap for python
=================

This package provides a `BitMap` class which is an array of bits stored in compact format.

# Installation

`bitmap` can be installed from `pip`:

```
#!bash
$ sudo pip install bitmap
```

# Functions

- `BitMap(maxnum)`: construct a `BitMap` object with `maxnum` bits
- `set(pos)`: set the bit at position `pos` to 1
- `reset(pos)`: reset the bit at position `pos` to 1
- `flip(pos)`: flip the bit at position `pos`
- `count()`: return the number of 1s
- `size()`: return the size of the `BitMap`
- `test(pos)`: check if bit at position `pos` has been set to 1
- `any()`: check if any bit in the `BitMap` has been set to 1
- `none()`: check if none of the bits in the `BitMap` has been set to 1
- `all()`: check if all bits in the `BitMap` has been set to 1
- `nonzero()`: return indexes of all non-zero bits
- `tostring()`: convert a `BitMap` object to `0` and `1` string
- `fromstring(bitstring)`: create a `BitMap` object from `0` and `1` string

# Examples

```
#!python
from bitmap import BitMap
bm = BitMap(32)
print bm.tostring()
bm.set(1)
print bm.tostring()

bm = BitMap.fromstring("00011101")
print bm.tostring()
bm.flip(1)
print bm.tostring()
```

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0.0.6

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