2024-06-06 20:28:06 -07:00
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< li class = "navelem" > < a class = "el" href = "dir_938ab0ecf10b8b860ff766c820f665fd.html" > mlx< / a > < / li > < li class = "navelem" > < a class = "el" href = "dir_1d446c9bd3c99228254c9484e0bc5c06.html" > backend< / a > < / li > < li class = "navelem" > < a class = "el" href = "dir_d0c977ea65824390717cdb7efc36c157.html" > metal< / a > < / li > < li class = "navelem" > < a class = "el" href = "dir_70a37effa88bcbd6b791977fa1e64356.html" > kernels< / a > < / li > < / ul >
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< a href = "#define-members" > Macros< / a > |
< a href = "#typedef-members" > Typedefs< / a > |
< a href = "#func-members" > Functions< / a > |
< a href = "#var-members" > Variables< / a > < / div >
< div class = "headertitle" > < div class = "title" > fft.h File Reference< / div > < / div >
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< div class = "textblock" > < code > #include < metal_common> < / code > < br / >
< code > #include " < a class = "el" href = "radix_8h_source.html" > mlx/backend/metal/kernels/fft/radix.h< / a > " < / code > < br / >
< code > #include " < a class = "el" href = "readwrite_8h_source.html" > mlx/backend/metal/kernels/fft/readwrite.h< / a > " < / code > < br / >
< code > #include " < a class = "el" href = "steel_2defines_8h_source.html" > mlx/backend/metal/kernels/steel/defines.h< / a > " < / code > < br / >
< / div >
< p > < a href = "backend_2metal_2kernels_2fft_8h_source.html" > Go to the source code of this file.< / a > < / p >
< table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a id = "define-members" name = "define-members" > < / a >
Macros< / h2 > < / td > < / tr >
< tr class = "memitem:a7b6e56afa21f022c5e754b000955735a" id = "r_a7b6e56afa21f022c5e754b000955735a" > < td class = "memItemLeft" align = "right" valign = "top" > #define  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "#a7b6e56afa21f022c5e754b000955735a" > MAX_RADIX< / a >       13< / td > < / tr >
< tr class = "separator:a7b6e56afa21f022c5e754b000955735a" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a28d683cf067736d76f867f30c066317e" id = "r_a28d683cf067736d76f867f30c066317e" > < td class = "memItemLeft" align = "right" valign = "top" > #define  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "#a28d683cf067736d76f867f30c066317e" > MAX_OUTPUT_SIZE< / a >       18< / td > < / tr >
< tr class = "separator:a28d683cf067736d76f867f30c066317e" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:a794032d3a9acff0e31c77c69d0007f10" id = "r_a794032d3a9acff0e31c77c69d0007f10" > < td class = "memItemLeft" align = "right" valign = "top" > #define  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "#a794032d3a9acff0e31c77c69d0007f10" > RADIX_STEP< / a > (radix, < a class = "el" href = "metal_2kernels_2hadamard_8h.html#a590e5366adc78bab4fe44e37885d413f" > radix_func< / a > , num_steps)< / td > < / tr >
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< tr class = "separator:a794032d3a9acff0e31c77c69d0007f10" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a id = "typedef-members" name = "typedef-members" > < / a >
Typedefs< / h2 > < / td > < / tr >
< tr class = "memitem:a6ba62eabfd5428644aabf89ddaa0128d" id = "r_a6ba62eabfd5428644aabf89ddaa0128d" > < td class = "memItemLeft" align = "right" valign = "top" > typedef void(*  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "#a6ba62eabfd5428644aabf89ddaa0128d" > RadixFunc< / a > ) (thread float2 *, thread float2 *)< / td > < / tr >
< tr class = "separator:a6ba62eabfd5428644aabf89ddaa0128d" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table > < table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a id = "func-members" name = "func-members" > < / a >
Functions< / h2 > < / td > < / tr >
< tr class = "memitem:a278d980ed397e6841ce0af44b9aa4396" id = "r_a278d980ed397e6841ce0af44b9aa4396" > < td class = "memTemplParams" colspan = "2" > template< int radix, < a class = "el" href = "#a6ba62eabfd5428644aabf89ddaa0128d" > RadixFunc< / a > radix_func> < / td > < / tr >
< tr class = "memitem:a278d980ed397e6841ce0af44b9aa4396" > < td class = "memTemplItemLeft" align = "right" valign = "top" > METAL_FUNC void  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "#a278d980ed397e6841ce0af44b9aa4396" > radix_butterfly< / a > (int i, int p, thread float2 *x, thread short *indices, thread float2 *y)< / td > < / tr >
< tr class = "separator:a278d980ed397e6841ce0af44b9aa4396" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:aba8d32e0911499671df93678f39da08b" id = "r_aba8d32e0911499671df93678f39da08b" > < td class = "memTemplParams" colspan = "2" > template< int radix, < a class = "el" href = "#a6ba62eabfd5428644aabf89ddaa0128d" > RadixFunc< / a > radix_func> < / td > < / tr >
< tr class = "memitem:aba8d32e0911499671df93678f39da08b" > < td class = "memTemplItemLeft" align = "right" valign = "top" > METAL_FUNC void  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "#aba8d32e0911499671df93678f39da08b" > radix_n_steps< / a > (int i, thread int *p, int m, int n, int num_steps, thread float2 *inputs, thread short *indices, thread float2 *values, threadgroup float2 *< a class = "el" href = "backend_2metal_2allocator_8h.html#a15aa5cc1baf29be08d55cca88509e697" > buf< / a > )< / td > < / tr >
< tr class = "separator:aba8d32e0911499671df93678f39da08b" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a050ead8fa5cacdaec13d68ca3c0dcb81" id = "r_a050ead8fa5cacdaec13d68ca3c0dcb81" > < td class = "memTemplParams" colspan = "2" > template< bool rader = false> < / td > < / tr >
< tr class = "memitem:a050ead8fa5cacdaec13d68ca3c0dcb81" > < td class = "memTemplItemLeft" align = "right" valign = "top" > METAL_FUNC void  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "#a050ead8fa5cacdaec13d68ca3c0dcb81" > perform_fft< / a > (int fft_idx, thread int *p, int m, int n, threadgroup float2 *< a class = "el" href = "backend_2metal_2allocator_8h.html#a15aa5cc1baf29be08d55cca88509e697" > buf< / a > )< / td > < / tr >
< tr class = "separator:a050ead8fa5cacdaec13d68ca3c0dcb81" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a4010b0e151e5f01e610e9c32234458c7" id = "r_a4010b0e151e5f01e610e9c32234458c7" > < td class = "memTemplParams" colspan = "2" > template< int tg_mem_size, typename in_T , typename out_T > < / td > < / tr >
< tr class = "memitem:a4010b0e151e5f01e610e9c32234458c7" > < td class = "memTemplItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "#a4010b0e151e5f01e610e9c32234458c7" > fft< / a > (const device in_T *in, device out_T *out, constant const int & n, constant const int & batch_size, uint3 elem, uint3 grid)< / td > < / tr >
< tr class = "separator:a4010b0e151e5f01e610e9c32234458c7" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ad123452303f6415904f3592f660769b8" id = "r_ad123452303f6415904f3592f660769b8" > < td class = "memTemplParams" colspan = "2" > template< int tg_mem_size, typename in_T , typename out_T > < / td > < / tr >
< tr class = "memitem:ad123452303f6415904f3592f660769b8" > < td class = "memTemplItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "#ad123452303f6415904f3592f660769b8" > rader_fft< / a > (const device in_T *in, device out_T *out, const device float2 *raders_b_q, const device short *raders_g_q, const device short *raders_g_minus_q, constant const int & n, constant const int & batch_size, constant const int & rader_n, uint3 elem, uint3 grid)< / td > < / tr >
< tr class = "separator:ad123452303f6415904f3592f660769b8" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a0abc609e9756475800e996775a96a87e" id = "r_a0abc609e9756475800e996775a96a87e" > < td class = "memTemplParams" colspan = "2" > template< int tg_mem_size, typename in_T , typename out_T > < / td > < / tr >
< tr class = "memitem:a0abc609e9756475800e996775a96a87e" > < td class = "memTemplItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "#a0abc609e9756475800e996775a96a87e" > bluestein_fft< / a > (const device in_T *in, device out_T *out, const device float2 *w_q, const device float2 *w_k, constant const int & length, constant const int & n, constant const int & batch_size, uint3 elem, uint3 grid)< / td > < / tr >
< tr class = "separator:a0abc609e9756475800e996775a96a87e" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a6558a8205ee4c3e4767bafa93f7606de" id = "r_a6558a8205ee4c3e4767bafa93f7606de" > < td class = "memTemplParams" colspan = "2" > template< int tg_mem_size, typename in_T , typename out_T , int step, bool real = false> < / td > < / tr >
< tr class = "memitem:a6558a8205ee4c3e4767bafa93f7606de" > < td class = "memTemplItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "#a6558a8205ee4c3e4767bafa93f7606de" > four_step_fft< / a > (const device in_T *in, device out_T *out, constant const int & n1, constant const int & n2, constant const int & batch_size, uint3 elem, uint3 grid)< / td > < / tr >
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< / table > < table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a id = "var-members" name = "var-members" > < / a >
Variables< / h2 > < / td > < / tr >
< tr class = "memitem:a23a773ae455da5d0b9b5508ee2e7694b" id = "r_a23a773ae455da5d0b9b5508ee2e7694b" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "steel_2defines_8h.html#a90b91c866313ffa46eff6d9cc944ad2b" > STEEL_CONST< / a > bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "#a23a773ae455da5d0b9b5508ee2e7694b" > inv_< / a > < / td > < / tr >
< tr class = "separator:a23a773ae455da5d0b9b5508ee2e7694b" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:abeb0f8d030ee27c89882b87eed13be2d" id = "r_abeb0f8d030ee27c89882b87eed13be2d" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "steel_2defines_8h.html#a90b91c866313ffa46eff6d9cc944ad2b" > STEEL_CONST< / a > bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "#abeb0f8d030ee27c89882b87eed13be2d" > is_power_of_2_< / a > < / td > < / tr >
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< tr class = "memitem:a5d03e78eedb9a084645f8f63185bcf2f" id = "r_a5d03e78eedb9a084645f8f63185bcf2f" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "steel_2defines_8h.html#a90b91c866313ffa46eff6d9cc944ad2b" > STEEL_CONST< / a > int  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "#a5d03e78eedb9a084645f8f63185bcf2f" > rader_m_< / a > < / td > < / tr >
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< tr class = "memitem:a40c698855591f5d73b0d9258049571a2" id = "r_a40c698855591f5d73b0d9258049571a2" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "steel_2defines_8h.html#a90b91c866313ffa46eff6d9cc944ad2b" > STEEL_CONST< / a > int  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "#a40c698855591f5d73b0d9258049571a2" > radix_13_steps_< / a > < / td > < / tr >
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< tr class = "memitem:aadbf4b8812c1489e78ea7d1184a0fdd9" id = "r_aadbf4b8812c1489e78ea7d1184a0fdd9" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "steel_2defines_8h.html#a90b91c866313ffa46eff6d9cc944ad2b" > STEEL_CONST< / a > int  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "#aadbf4b8812c1489e78ea7d1184a0fdd9" > radix_8_steps_< / a > < / td > < / tr >
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< h2 class = "groupheader" > Macro Definition Documentation< / h2 >
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< td class = "memname" > #define MAX_OUTPUT_SIZE      18< / td >
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< td class = "memname" > #define MAX_RADIX      13< / td >
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< a id = "a794032d3a9acff0e31c77c69d0007f10" name = "a794032d3a9acff0e31c77c69d0007f10" > < / a >
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< td class = "memname" > #define RADIX_STEP< / td >
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< td class = "paramtype" > < / td > < td class = "paramname" > < span class = "paramname" > radix, < / span > < / td >
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< / tr >
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< h2 class = "groupheader" > Typedef Documentation< / h2 >
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< td class = "memname" > typedef void(* RadixFunc) (thread float2 *, thread float2 *)< / td >
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< h2 class = "groupheader" > Function Documentation< / h2 >
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template< int tg_mem_size, typename in_T , typename out_T > < / div >
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< td class = "memname" > void bluestein_fft < / td >
< td > (< / td >
< td class = "paramtype" > const device in_T *< / td > < td class = "paramname" > < span class = "paramname" > < em > in< / em > , < / span > < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > device out_T *< / td > < td class = "paramname" > < span class = "paramname" > < em > out< / em > , < / span > < / td >
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< td > < / td >
< td class = "paramtype" > const device float2 *< / td > < td class = "paramname" > < span class = "paramname" > < em > w_q< / em > , < / span > < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const device float2 *< / td > < td class = "paramname" > < span class = "paramname" > < em > w_k< / em > , < / span > < / td >
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< td > < / td >
< td class = "paramtype" > uint3< / td > < td class = "paramname" > < span class = "paramname" > < em > elem< / em > , < / span > < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint3< / td > < td class = "paramname" > < span class = "paramname" > < em > grid< / em > < / span >   )< / td >
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< a id = "a4010b0e151e5f01e610e9c32234458c7" name = "a4010b0e151e5f01e610e9c32234458c7" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a4010b0e151e5f01e610e9c32234458c7" > ◆   < / a > < / span > fft()< / h2 >
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template< int tg_mem_size, typename in_T , typename out_T > < / div >
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< td class = "memname" > void fft < / td >
< td > (< / td >
< td class = "paramtype" > const device in_T *< / td > < td class = "paramname" > < span class = "paramname" > < em > in< / em > , < / span > < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > device out_T *< / td > < td class = "paramname" > < span class = "paramname" > < em > out< / em > , < / span > < / td >
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< td > < / td >
< td class = "paramtype" > constant const int & < / td > < td class = "paramname" > < span class = "paramname" > < em > n< / em > , < / span > < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > constant const int & < / td > < td class = "paramname" > < span class = "paramname" > < em > batch_size< / em > , < / span > < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint3< / td > < td class = "paramname" > < span class = "paramname" > < em > elem< / em > , < / span > < / td >
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< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint3< / td > < td class = "paramname" > < span class = "paramname" > < em > grid< / em > < / span >   )< / td >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a6558a8205ee4c3e4767bafa93f7606de" > ◆   < / a > < / span > four_step_fft()< / h2 >
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template< int tg_mem_size, typename in_T , typename out_T , int step, bool real = false> < / div >
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< td class = "memname" > void four_step_fft < / td >
< td > (< / td >
< td class = "paramtype" > const device in_T *< / td > < td class = "paramname" > < span class = "paramname" > < em > in< / em > , < / span > < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > device out_T *< / td > < td class = "paramname" > < span class = "paramname" > < em > out< / em > , < / span > < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > constant const int & < / td > < td class = "paramname" > < span class = "paramname" > < em > n1< / em > , < / span > < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > constant const int & < / td > < td class = "paramname" > < span class = "paramname" > < em > n2< / em > , < / span > < / td >
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< td > < / td >
< td class = "paramtype" > constant const int & < / td > < td class = "paramname" > < span class = "paramname" > < em > batch_size< / em > , < / span > < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint3< / td > < td class = "paramname" > < span class = "paramname" > < em > elem< / em > , < / span > < / td >
< / tr >
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< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint3< / td > < td class = "paramname" > < span class = "paramname" > < em > grid< / em > < / span >   )< / td >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a050ead8fa5cacdaec13d68ca3c0dcb81" > ◆   < / a > < / span > perform_fft()< / h2 >
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template< bool rader = false> < / div >
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< td class = "memname" > METAL_FUNC void perform_fft < / td >
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< td class = "paramtype" > int< / td > < td class = "paramname" > < span class = "paramname" > < em > fft_idx< / em > , < / span > < / td >
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< td > < / td >
< td class = "paramtype" > thread int *< / td > < td class = "paramname" > < span class = "paramname" > < em > p< / em > , < / span > < / td >
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< td class = "paramkey" > < / td >
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< td class = "paramtype" > int< / td > < td class = "paramname" > < span class = "paramname" > < em > m< / em > , < / span > < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
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< td class = "memname" > void rader_fft < / td >
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< td class = "paramtype" > const device in_T *< / td > < td class = "paramname" > < span class = "paramname" > < em > in< / em > , < / span > < / td >
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< td class = "paramtype" > const device float2 *< / td > < td class = "paramname" > < span class = "paramname" > < em > raders_b_q< / em > , < / span > < / td >
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< td class = "paramtype" > const device short *< / td > < td class = "paramname" > < span class = "paramname" > < em > raders_g_q< / em > , < / span > < / td >
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< td class = "paramtype" > const device short *< / td > < td class = "paramname" > < span class = "paramname" > < em > raders_g_minus_q< / em > , < / span > < / td >
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< td class = "paramtype" > constant const int & < / td > < td class = "paramname" > < span class = "paramname" > < em > rader_n< / em > , < / span > < / td >
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template< int radix, < a class = "el" href = "#a6ba62eabfd5428644aabf89ddaa0128d" > RadixFunc< / a > radix_func> < / div >
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< td class = "memname" > METAL_FUNC void radix_butterfly < / td >
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template< int radix, < a class = "el" href = "#a6ba62eabfd5428644aabf89ddaa0128d" > RadixFunc< / a > radix_func> < / div >
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< td class = "memname" > METAL_FUNC void radix_n_steps < / td >
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< td class = "paramtype" > int< / td > < td class = "paramname" > < span class = "paramname" > < em > num_steps< / em > , < / span > < / td >
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< td class = "paramtype" > threadgroup float2 *< / td > < td class = "paramname" > < span class = "paramname" > < em > buf< / em > < / span >   )< / td >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#acf9b1130c134093453d15eee02683c94" > ◆   < / a > < / span > elems_per_thread_< / h2 >
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< td class = "memname" > < a class = "el" href = "steel_2defines_8h.html#a90b91c866313ffa46eff6d9cc944ad2b" > STEEL_CONST< / a > int elems_per_thread_< / td >
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< td class = "memname" > < a class = "el" href = "steel_2defines_8h.html#a90b91c866313ffa46eff6d9cc944ad2b" > STEEL_CONST< / a > bool inv_< / td >
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