Object

cogx.cogmath.fft

FFT2D

Related Doc: package fft

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object FFT2D extends algebra.real.Logarithm

Object which performs a 2D FFT (and its inverse) on 2-dimensional, complex data.

The number of rows and columns in the data must each be a power of 2.

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  1. FFT2D
  2. Logarithm
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  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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  6. final def eq(arg0: AnyRef): Boolean

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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  9. final def getClass(): Class[_]

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  10. def hashCode(): Int

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  11. def inverseTransform(rows: Int, columns: Int, f: (Int, Int) ⇒ algebra.complex.Complex): (Int, Int) ⇒ algebra.complex.Complex

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    Take the inverse 2D FFT of input data described functionally, returning the inverse transform also as a function

  12. def inverseTransform(matrix: algebra.complex.ComplexMatrix): algebra.complex.ComplexMatrix

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    Take the inverse 2D FFT of "matrix".

  13. final def isInstanceOf[T0]: Boolean

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  14. def isPowerOf2(value: Float): Boolean

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    Return true if "value" is an exact power of 2.

    Return true if "value" is an exact power of 2.

    Definition Classes
    Logarithm
  15. def log2(value: Float): Float

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    Take the logarithm of "value" base 2.

    Take the logarithm of "value" base 2.

    Definition Classes
    Logarithm
  16. final def ne(arg0: AnyRef): Boolean

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  17. final def notify(): Unit

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  18. final def notifyAll(): Unit

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  19. def roundDownPowerOf2(value: Float): Int

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    Logarithm
  20. def roundUpPowerOf2(value: Float): Int

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  21. final def synchronized[T0](arg0: ⇒ T0): T0

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  22. def toString(): String

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  23. def transform(rows: Int, columns: Int, f: (Int, Int) ⇒ algebra.complex.Complex): (Int, Int) ⇒ algebra.complex.Complex

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    Take the 2D FFT of input data described functionally, returning the transform also as a function

  24. def transform(matrix: algebra.complex.ComplexMatrix): algebra.complex.ComplexMatrix

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    Take the 2D FFT of "matrix".

  25. final def wait(): Unit

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  26. final def wait(arg0: Long, arg1: Int): Unit

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  27. final def wait(arg0: Long): Unit

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Inherited from algebra.real.Logarithm

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