"""
    add(x, y)

Perform addition between two floating point numbers.

# Arguments
- `a::Float64`: Number 1.
- `b::Float64`: Number 2.

# Returns
- `a + b::Float64`

# Examples
```julia-repl
julia> add(1.0, 2.0)
3.0
```
"""
add(a::Float64, b::Float64) = a + b
