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oramics/dsp-kit

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packages/fft-asm/versions/arduino.js

Summary

Maintainability
B
5 hrs
Test Coverage

Function compute has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.
Open

function compute (real, imag, samples, power, dir) {
  /* Computes in-place complex-to-complex FFT */
  /* Reverse bits */
  var j = 0
  for (var i = 0; i < (samples - 1); i++) {
Severity: Minor
Found in packages/fft-asm/versions/arduino.js - About 2 hrs to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function compute has 47 lines of code (exceeds 25 allowed). Consider refactoring.
Open

function compute (real, imag, samples, power, dir) {
  /* Computes in-place complex-to-complex FFT */
  /* Reverse bits */
  var j = 0
  for (var i = 0; i < (samples - 1); i++) {
Severity: Minor
Found in packages/fft-asm/versions/arduino.js - About 1 hr to fix

    Function compute has 5 arguments (exceeds 4 allowed). Consider refactoring.
    Open

    function compute (real, imag, samples, power, dir) {
    Severity: Minor
    Found in packages/fft-asm/versions/arduino.js - About 35 mins to fix

      Similar blocks of code found in 3 locations. Consider refactoring.
      Open

        if (dir === 'inverse') {
    for (i = 0; i < samples; i++) {
      real[i] /= samples
      imag[i] /= samples
    }
      Severity: Minor
      Found in packages/fft-asm/versions/arduino.js and 2 other locations - About 35 mins to fix
      packages/fft-asm/fft-no-asm.js on lines 71..76
      packages/fft2/index.js on lines 70..75

      Duplicated Code

      Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

      Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

      When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

      Tuning

      This issue has a mass of 47.

      We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

      The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

      If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

      See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

      Refactorings

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