Device pointer interface: Forward and Inverse 2D fft |
- Parameters:
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[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 |
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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.
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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.
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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.
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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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