Sha256: 41bf55925c1767d5fa344b639076fd2bade668a198e92a84a2cd83b18b47a1c3

Contents?: true

Size: 595 Bytes

Versions: 22

Compression:

Stored size: 595 Bytes

Contents

#!/usr/bin/env ruby
require("gsl")

n = 630
data = GSL::Vector::Complex.alloc(n)

table = GSL::FFT::ComplexWavetable.alloc(n)
space = GSL::FFT::ComplexWorkspace.alloc(n)

data[0] = 1.0
for i in 1..10 do
  data[i] = GSL::Complex[1.0, 0.0]
  data[n-i] = GSL::Complex[1.0, 0.0]
end
org = data.clone

# Select whichever you like
#data.forward!(table, space)
#data.forward!(table)
#data.forward!(space)
#data.forward!()
#data.transform!(table, space, GSL::FFT::Forward)
#data.transform!(GSL::FFT::Forward)
data.forward!(table, space)
data /= Math::sqrt(n)
GSL::graph(nil, org.re, data.re, "-C -g 3")

Version data entries

22 entries across 22 versions & 4 rubygems

Version Path
gsl-2.1.0.3 examples/fft/forward2.rb
gsl-2.1.0.2 examples/fft/forward2.rb
gsl-2.1.0.1 examples/fft/forward2.rb
gsl-2.1.0 examples/fft/forward2.rb
gsl-1.16.0.6 examples/fft/forward2.rb
rb-gsl-1.16.0.5 examples/fft/forward2.rb
rb-gsl-1.16.0.4 examples/fft/forward2.rb
rb-gsl-1.16.0.3 examples/fft/forward2.rb
rb-gsl-1.16.0.3.rc1 examples/fft/forward2.rb
gsl-nmatrix-1.15.3.2 examples/fft/forward2.rb
gsl-nmatrix-1.15.3.1 examples/fft/forward2.rb
rb-gsl-1.16.0.2 examples/fft/forward2.rb
rb-gsl-1.16.0.1 examples/fft/forward2.rb
rb-gsl-1.16.0 examples/fft/forward2.rb
rb-gsl-1.15.3.2 examples/fft/forward2.rb
rb-gsl-1.15.3.1 examples/fft/forward2.rb
blackwinter-gsl-1.15.3.2 examples/fft/forward2.rb
gsl-nmatrix-1.15.3.0 examples/fft/forward2.rb
gsl-1.15.3 examples/fft/forward2.rb
gsl-1.14.7 examples/fft/forward2.rb