Merge remote-tracking branch 'linkotec/master'

1 files changed, 0 insertions, 157 deletions

diff --git a/src/ffts_small.c b/src/ffts_small.c
deleted file mode 100644
index e53493c..0000000
--- a/src/ffts_small.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- 
- This file is part of FFTS -- The Fastest Fourier Transform in the South
-  
- Copyright (c) 2013, Michael J. Cree <mcree@orcon.net.nz> 
- Copyright (c) 2012, 2013, Anthony M. Blake <amb@anthonix.com>
- 
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
- 	* Redistributions of source code must retain the above copyright
- 		notice, this list of conditions and the following disclaimer.
- 	* Redistributions in binary form must reproduce the above copyright
- 		notice, this list of conditions and the following disclaimer in the
- 		documentation and/or other materials provided with the distribution.
- 	* Neither the name of the organization nor the
-	  names of its contributors may be used to endorse or promote products
- 		derived from this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL ANTHONY M. BLAKE BE LIABLE FOR ANY
- DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-*/
-
-#include "ffts.h"
-#include "macros.h"
-
-#include <stdlib.h>
-
-#define DEBUG(x)
-
-#include "ffts_small.h"
-
- void firstpass_16_f(ffts_plan_t *  p, const void *  in, void *  out)
-{
-    const data_t *din = (const data_t *)in;
-    data_t *dout = (data_t *)out;
-    V r0_1,r2_3,r4_5,r6_7,r8_9,r10_11,r12_13,r14_15;
-    float *LUT8 = p->ws;
-
-    L_4_4(0, din+0,din+16,din+8,din+24,&r0_1,&r2_3,&r8_9,&r10_11);
-    L_2_4(0, din+4,din+20,din+28,din+12,&r4_5,&r6_7,&r14_15,&r12_13);
-    K_N(0, VLD(LUT8),VLD(LUT8+4),&r0_1,&r2_3,&r4_5,&r6_7);
-    K_N(0, VLD(LUT8+8),VLD(LUT8+12),&r0_1,&r4_5,&r8_9,&r12_13);
-    S_4(r0_1,r4_5,r8_9,r12_13,dout+0,dout+8,dout+16,dout+24);
-    K_N(0, VLD(LUT8+16),VLD(LUT8+20),&r2_3,&r6_7,&r10_11,&r14_15);
-    S_4(r2_3,r6_7,r10_11,r14_15,dout+4,dout+12,dout+20,dout+28);
-}
-
- void firstpass_16_b(ffts_plan_t *  p, const void *  in, void *  out)
-{
-    const data_t *din = (const data_t *)in;
-    data_t *dout = (data_t *)out;
-    V r0_1,r2_3,r4_5,r6_7,r8_9,r10_11,r12_13,r14_15;
-    float *LUT8 = p->ws;
-
-    L_4_4(1, din+0,din+16,din+8,din+24,&r0_1,&r2_3,&r8_9,&r10_11);
-    L_2_4(1, din+4,din+20,din+28,din+12,&r4_5,&r6_7,&r14_15,&r12_13);
-    K_N(1, VLD(LUT8),VLD(LUT8+4),&r0_1,&r2_3,&r4_5,&r6_7);
-    K_N(1, VLD(LUT8+8),VLD(LUT8+12),&r0_1,&r4_5,&r8_9,&r12_13);
-    S_4(r0_1,r4_5,r8_9,r12_13,dout+0,dout+8,dout+16,dout+24);
-    K_N(1, VLD(LUT8+16),VLD(LUT8+20),&r2_3,&r6_7,&r10_11,&r14_15);
-    S_4(r2_3,r6_7,r10_11,r14_15,dout+4,dout+12,dout+20,dout+28);
-}
-
-
- void firstpass_8_f(ffts_plan_t *p, const void *in, void *out)
-{
-    const data_t *din = (const data_t *)in;
-    data_t *dout = (data_t *)out;
-    V r0_1, r2_3, r4_5, r6_7;
-    float *LUT8 = p->ws + p->ws_is[0];
-
-    L_4_2(0, din, din+8, din+4, din+12, &r0_1, &r2_3, &r4_5, &r6_7);
-    K_N(0, VLD(LUT8), VLD(LUT8+4), &r0_1, &r2_3, &r4_5, &r6_7);
-    S_4(r0_1,r2_3,r4_5,r6_7,dout+0,dout+4,dout+8,dout+12);
-}
-
- void firstpass_8_b(ffts_plan_t *p, const void *in, void *out)
-{
-    const data_t *din = (const data_t *)in;
-    data_t *dout = (data_t *)out;
-    V r0_1, r2_3, r4_5, r6_7;
-    float *LUT8 = p->ws + p->ws_is[0];
-
-    L_4_2(1, din, din+8, din+4, din+12, &r0_1, &r2_3, &r4_5, &r6_7);
-    K_N(1, VLD(LUT8), VLD(LUT8+4), &r0_1, &r2_3, &r4_5, &r6_7);
-    S_4(r0_1,r2_3,r4_5,r6_7,dout+0,dout+4,dout+8,dout+12);
-}
-
-
- void firstpass_4_f(ffts_plan_t *p, const void *in, void *out)
-{
-    const data_t *din = (const data_t *)in;
-    data_t *dout = (data_t *)out;
-    cdata_t t0, t1, t2, t3, t4, t5, t6, t7;
-    t0[0] = din[0]; t0[1] = din[1];
-    t1[0] = din[4]; t1[1] = din[5];
-    t2[0] = din[2]; t2[1] = din[3];
-    t3[0] = din[6]; t3[1] = din[7];
-        
-    t4[0] = t0[0] + t1[0]; t4[1] = t0[1] + t1[1];
-    t5[0] = t0[0] - t1[0]; t5[1] = t0[1] - t1[1];
-    t6[0] = t2[0] + t3[0]; t6[1] = t2[1] + t3[1];
-    t7[0] = t2[0] - t3[0]; t7[1] = t2[1] - t3[1];
-
-    dout[0] = t4[0] + t6[0]; dout[1] = t4[1] + t6[1];
-    dout[4] = t4[0] - t6[0]; dout[5] = t4[1] - t6[1];
-    dout[2] = t5[0] + t7[1]; dout[3] = t5[1] - t7[0];
-    dout[6] = t5[0] - t7[1]; dout[7] = t5[1] + t7[0];
-}
-
- void firstpass_4_b(ffts_plan_t *p, const void *in, void *out)
-{
-    const data_t *din = (const data_t *)in;
-    data_t *dout = (data_t *)out;
-    cdata_t t0, t1, t2, t3, t4, t5, t6, t7;
-    t0[0] = din[0]; t0[1] = din[1];
-    t1[0] = din[4]; t1[1] = din[5];
-    t2[0] = din[2]; t2[1] = din[3];
-    t3[0] = din[6]; t3[1] = din[7];
-        
-    t4[0] = t0[0] + t1[0]; t4[1] = t0[1] + t1[1];
-    t5[0] = t0[0] - t1[0]; t5[1] = t0[1] - t1[1];
-    t6[0] = t2[0] + t3[0]; t6[1] = t2[1] + t3[1];
-    t7[0] = t2[0] - t3[0]; t7[1] = t2[1] - t3[1];
-
-    dout[0] = t4[0] + t6[0]; dout[1] = t4[1] + t6[1];
-    dout[4] = t4[0] - t6[0]; dout[5] = t4[1] - t6[1];
-    dout[2] = t5[0] - t7[1]; dout[3] = t5[1] + t7[0];
-    dout[6] = t5[0] + t7[1]; dout[7] = t5[1] - t7[0];
-}
-
- void firstpass_2(ffts_plan_t *p, const void *in, void *out)
-{
-    const data_t *din = (const data_t *)in;
-    data_t *dout = (data_t *)out;
-    cdata_t t0, t1, r0,r1;
-    t0[0] = din[0]; t0[1] = din[1];
-    t1[0] = din[2]; t1[1] = din[3];
-    r0[0] = t0[0] + t1[0];
-    r0[1] = t0[1] + t1[1];
-    r1[0] = t0[0] - t1[0];
-    r1[1] = t0[1] - t1[1];
-    dout[0] = r0[0]; dout[1] = r0[1];
-    dout[2] = r1[0]; dout[3] = r1[1];
-}
-// vim: set autoindent noexpandtab tabstop=3 shiftwidth=3: