function noisywave = addNoise(wave, c)
%%Adds additive noise onto input wave, with noise-to-signal ratio
%%proportional to C.

%%Reshapes input signal into a row of values, in case it is in column form
if (length(wave(1,:)) == 1)
    wave = wave';
end
  
%%Generates pseudorandom values centered at 1, with range 1
r = rand(1, length(wave)) - 1;

%%Adds noise to wave
noisywave = wave + r*c;

end