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<type><ref refid="classboost_1_1shared__ptr" kindref="compound">gc_job_desc_sptr</ref></type>
<definition>gc_job_desc_sptr gcp_fft_1d_r2_submit</definition>
<argsstring>(gc_job_manager_sptr mgr, unsigned int log2_fft_length, bool forward, bool shift, std::complex< float > *out, const std::complex< float > *in, const std::complex< float > *twiddle, const float *window)</argsstring>
<name>gcp_fft_1d_r2_submit</name>
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<type><ref refid="classboost_1_1shared__ptr" kindref="compound">gc_job_manager_sptr</ref></type>
<declname>mgr</declname>
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<type>const float *</type>
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<para>Submit a job that computes the forward or inverse FFT. </para> </briefdescription>
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<parametername>mgr</parametername>
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<para>is the job manager instance </para></parameterdescription>
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<parametername>log2_fft_length</parametername>
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<para>is the log2 of the fft_length (4 <= x <= 12). </para></parameterdescription>
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<para>is true to compute the forward transform, else the inverse. </para></parameterdescription>
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<parametername>shift</parametername>
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<para>indicates if an "fftshift" should be applied to the output data </para></parameterdescription>
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<para>is the fft_length output from FFT (must be 16-byte aligned). </para></parameterdescription>
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<para>is the fft_length input to FFT (must be 16-byte aligned). </para></parameterdescription>
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<para>is fft_length/4 twiddle factor input to FFT (must be 16-byte aligned). </para></parameterdescription>
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Returns a shared_ptr to a job descriptor which should be passed to wait_job*. Throws an exception in the event of a problem. This uses the FFTW conventions for scaling. That is, neither the forward nor inverse are scaled by 1/fft_length. </para> </detaileddescription>
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<definition>void gcp_fft_1d_r2_twiddle</definition>
<argsstring>(unsigned int log2_fft_length, std::complex< float > *W)</argsstring>
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<para>Compute twiddle factors. </para> </briefdescription>
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<parametername>log2_fft_length</parametername>
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<para>is the log2 of the fft_length. </para></parameterdescription>
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<para>is fft_length/4 twiddle factor output (must be 16-byte aligned). </para></parameterdescription>
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distrib
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Mandriva
>
2010.2
>
i586
>
media
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contrib-backports
>
by-pkgid
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def0228095a1541e2d3632b6b6da7c38
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files
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9084
