Sanity check window length and FFT length

gardner-lab · Jan 5, 2016 · 110c414 · 110c414
1 parent 92cf10d
commit 110c414
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/SyllableDetector/CircularShortTimeFourierTransform.swift b/SyllableDetector/CircularShortTimeFourierTransform.swift
@@ -82,6 +82,11 @@ class CircularShortTimeFourierTransform
             guard v.isPowerOfTwo() else {
                 fatalError("The FFT size must be a power of 2.")
             }
+
+            guard lengthWindow <= v else {
+                fatalError("The FFT size must be greater than or equal to the window length.")
+            }
+
             lengthFft = v
             fftSize = vDSP_Length(ceil(log2(CDouble(v))))
         }