Usage

Run web server: go run .

Request example: curl -F 'file=@./matrix.csv' "localhost:8080/echo"

Run tests: go test [-v]

Assignment Instructions

In main.go you will find a basic web server written in GoLang. It accepts a single request /echo. Extend the webservice with the ability to perform the following operations

The input file to these functions is a matrix, of any dimension where the number of rows are equal to the number of columns (square). Each value is an integer, and there is no header row.

Given an uploaded csv file

1,2,3
4,5,6
7,8,9

Echo (given)
- Return the matrix as a string in matrix format.
```
// Expected output
1,2,3
4,5,6
7,8,9
```
Invert
- Return the matrix as a string in matrix format where the columns and rows are inverted
```
// Expected output
1,4,7
2,5,8
3,6,9
```
Flatten
- Return the matrix as a 1 line string, with values separated by commas.
```
// Expected output
1,2,3,4,5,6,7,8,9
```
Sum
- Return the sum of the integers in the matrix
```
// Expected output
45
```
Multiply
- Return the product of the integers in the matrix
```
// Expected output
362880
```

pokluda/go_matrix_api

Usage

Assignment Instructions