# RavOp

## RavOP

[Github](https://github.com/ravenprotocol/ravop.git)

Ravop is the Ravenverse op library. Ops are a fundamental unit of Ravenverse. Ravop Library contains the main object data types `Tensor` and `Scalar` upon which we can perform the various arithmetic and mathematical operations available in the ravop library in a distributed and decentralized manner.

\###Ravop in Ravenverse 

Ravop is responsible for the creation of ops and retrieving ops from ravcom and ravsock.

#### Setup and Installation

Create a virtual environment

```
virtualenv ravop -p python3
```

Activate the virtual environment

```
source ravop/bin/activate
```

Install RavOp

```
pip install https://github.com/ravenprotocol/ravop.git
```

**This step will automatically install the dependencies**

Set RAVSOCK\_SERVER\_URL in the ravop/config.py file

```
RAVSOCK_SERVER_URL = "http://0.0.0.0:9999/"
```

**Note: Make sure ravsock is up and running**

#### Initializing Tensors , Scalars and Graphs

`Tensors`:Raven Tensors are data type objects which are multidimensional arrays

`Scalars`:Raven data type object for `int` or `float` type.

`Graph`: For evaluating all the ops after creating it in a computational graph.

These data types can be initialized as follows:

```
import ravop.core as R

a=R.Tensor([1,2,3])

b=R.Scalar(10)
```

#### Example

We can use raven ops to operate on these Tensors. Let's consider adding two Tensors . Adding two tensors can be achieved using the R.add() operation

```
import ravop.core as R
#inittializing Tensors
a=R.Tensor([1,2,3])
b=R.Tensor([2,3,4])

#using add operation from ravop.core
c=R.add(a,b)
```

Raven supports Unary and Binary ops :

`unary ops`

```
import ravop.core as R
#inittializing Tensor
a=R.Tensor([1,2,3])
#using min operation from ravop.core
c=R.min(a)
```

`Binary ops` :

```
import ravop.core as R
#inittializing Tensors
a=R.Tensor([1,2,3])
b=R.Tensor([2,3,4])
#using multiply operation from ravop.core
c=R.multiply(a,b)
```

\##Supported Ops Arithmetic Ops

| Op name      | parameters |
| ------------ | ---------- |
| lin          |            |
| add          |            |
| mul          |            |
| sub          |            |
| pos          |            |
| neg          |            |
| exp          |            |
| natlog       |            |
| pow          |            |
| square       |            |
| cube         |            |
| square\_root |            |
| cube\_root   |            |
| abs          |            |

Comparision Opa

| Op name        | parameters |
| -------------- | ---------- |
| greater        |            |
| greater\_equal |            |
| less           |            |
| less\_equal    |            |
| equal          |            |
| not\_equal     |            |

Logical Operations

| Op name      | parameters |
| ------------ | ---------- |
| logical\_and |            |
| logical\_or  |            |
| logical\_not |            |
| logical\_xor |            |

Statistical Ops

| Op name    | parameters |
| ---------- | ---------- |
| mean       |            |
| average    |            |
| mode       |            |
| median     |            |
| variance   |            |
| std        |            |
| percentile |            |

Tensor Ops

| Op name            | parameters |
| ------------------ | ---------- |
| random             |            |
| bincount           |            |
| where              |            |
| sign               |            |
| foreach            |            |
| one\_hot\_encoding |            |
| matmul             |            |
| multiply           |            |
| dot                |            |
| transpose          |            |
| sum                |            |
| sort               |            |
| split              |            |
| reshape            |            |
| concat             |            |
| min                |            |
| max                |            |
| unique             |            |
| argmax             |            |
| argmin             |            |
| expand\_dims       |            |
| inv                |            |
| gather             |            |
| reverse            |            |
| stack              |            |
| tile               |            |
| slice              |            |
| find\_indices      |            |
| shape              |            |

Federated Learning

| Op name                        | parameters |
| ------------------------------ | ---------- |
| federated\_mean                |            |
| federated\_variance            |            |
| federated\_standard\_deviation |            |


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