Fourier Transform (2D)

Device pointer interface: Forward and Inverse 2D fft
Parameters: [in] xo number of rows in the output [in] yo number of columns in the output [out] d_O Output array (always complex) [in] xi number of rows in the input [in] yi number of columns in the ouput [in] batch Number of input tiles [in] direction Direction of fft2. 0 for FORWARD, 1 for INVERSE
afError	af_fft2_S (unsigned xo, unsigned yo, cuComplex *d_O, unsigned xi, unsigned yi, const float *d_I, unsigned batch, int direction)
	Single precision, two dimensional fft.
afError	af_fft2_C (unsigned xo, unsigned yo, cuComplex *d_O, unsigned xi, unsigned yi, const cuComplex *d_I, unsigned batch, int direction)
	Complex, Single precision, two dimensional fft.
afError	af_fft2_D (unsigned xo, unsigned yo, cuDoubleComplex *d_O, unsigned xi, unsigned yi, const double *d_I, unsigned batch, int direction)
	Double precision, two dimensional fft.
afError	af_fft2_Z (unsigned xo, unsigned yo, cuDoubleComplex *d_O, unsigned xi, unsigned yi, const cuDoubleComplex *d_I, unsigned batch, int direction)
	Complex, Double precision, two dimensional fft.

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Function Documentation

afError af_fft2_S	(	unsigned	xo,
		unsigned	yo,
		cuComplex *	d_O,
		unsigned	xi,
		unsigned	yi,
		const float *	d_I,
		unsigned	batch,
		int	direction
	)

Single precision, two dimensional fft.

afError af_fft2_C	(	unsigned	xo,
		unsigned	yo,
		cuComplex *	d_O,
		unsigned	xi,
		unsigned	yi,
		const cuComplex *	d_I,
		unsigned	batch,
		int	direction
	)

Complex, Single precision, two dimensional fft.

afError af_fft2_D	(	unsigned	xo,
		unsigned	yo,
		cuDoubleComplex *	d_O,
		unsigned	xi,
		unsigned	yi,
		const double *	d_I,
		unsigned	batch,
		int	direction
	)

Double precision, two dimensional fft.

afError af_fft2_Z	(	unsigned	xo,
		unsigned	yo,
		cuDoubleComplex *	d_O,
		unsigned	xi,
		unsigned	yi,
		const cuDoubleComplex *	d_I,
		unsigned	batch,
		int	direction
	)

Complex, Double precision, two dimensional fft.