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authorscuri <scuri>2008-10-17 06:10:15 +0000
committerscuri <scuri>2008-10-17 06:10:15 +0000
commit5a422aba704c375a307a902bafe658342e209906 (patch)
tree5005011e086bb863d8fb587ad3319bbec59b2447 /src/fftw/fni_8.c
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'src/fftw/fni_8.c')
-rw-r--r--src/fftw/fni_8.c202
1 files changed, 202 insertions, 0 deletions
diff --git a/src/fftw/fni_8.c b/src/fftw/fni_8.c
new file mode 100644
index 0000000..9bee5ad
--- /dev/null
+++ b/src/fftw/fni_8.c
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+/*
+ * Copyright (c) 1997-1999, 2003 Massachusetts Institute of Technology
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/* This file was automatically generated --- DO NOT EDIT */
+/* Generated on Mon Mar 24 02:06:25 EST 2003 */
+
+#include "fftw-int.h"
+#include "fftw.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw/gensrc/genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddleinv 8 */
+
+/*
+ * This function contains 52 FP additions, 4 FP multiplications,
+ * (or, 52 additions, 4 multiplications, 0 fused multiply/add),
+ * 26 stack variables, and 32 memory accesses
+ */
+static const fftw_real K707106781 =
+FFTW_KONST(+0.707106781186547524400844362104849039284835938);
+
+/*
+ * Generator Id's :
+ * $Id: fni_8.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ * $Id: fni_8.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ * $Id: fni_8.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ */
+
+void fftwi_no_twiddle_8(const fftw_complex *input, fftw_complex *output,
+ int istride, int ostride)
+{
+ fftw_real tmp3;
+ fftw_real tmp37;
+ fftw_real tmp18;
+ fftw_real tmp23;
+ fftw_real tmp6;
+ fftw_real tmp24;
+ fftw_real tmp21;
+ fftw_real tmp38;
+ fftw_real tmp13;
+ fftw_real tmp49;
+ fftw_real tmp35;
+ fftw_real tmp43;
+ fftw_real tmp10;
+ fftw_real tmp48;
+ fftw_real tmp30;
+ fftw_real tmp42;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp1;
+ fftw_real tmp2;
+ fftw_real tmp19;
+ fftw_real tmp20;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp1 = c_re(input[0]);
+ tmp2 = c_re(input[4 * istride]);
+ tmp3 = tmp1 + tmp2;
+ tmp37 = tmp1 - tmp2;
+ {
+ fftw_real tmp16;
+ fftw_real tmp17;
+ fftw_real tmp4;
+ fftw_real tmp5;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp16 = c_im(input[0]);
+ tmp17 = c_im(input[4 * istride]);
+ tmp18 = tmp16 + tmp17;
+ tmp23 = tmp16 - tmp17;
+ tmp4 = c_re(input[2 * istride]);
+ tmp5 = c_re(input[6 * istride]);
+ tmp6 = tmp4 + tmp5;
+ tmp24 = tmp4 - tmp5;
+ }
+ tmp19 = c_im(input[2 * istride]);
+ tmp20 = c_im(input[6 * istride]);
+ tmp21 = tmp19 + tmp20;
+ tmp38 = tmp19 - tmp20;
+ {
+ fftw_real tmp11;
+ fftw_real tmp12;
+ fftw_real tmp31;
+ fftw_real tmp32;
+ fftw_real tmp33;
+ fftw_real tmp34;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp11 = c_re(input[7 * istride]);
+ tmp12 = c_re(input[3 * istride]);
+ tmp31 = tmp11 - tmp12;
+ tmp32 = c_im(input[7 * istride]);
+ tmp33 = c_im(input[3 * istride]);
+ tmp34 = tmp32 - tmp33;
+ tmp13 = tmp11 + tmp12;
+ tmp49 = tmp32 + tmp33;
+ tmp35 = tmp31 + tmp34;
+ tmp43 = tmp34 - tmp31;
+ }
+ {
+ fftw_real tmp8;
+ fftw_real tmp9;
+ fftw_real tmp26;
+ fftw_real tmp27;
+ fftw_real tmp28;
+ fftw_real tmp29;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp8 = c_re(input[istride]);
+ tmp9 = c_re(input[5 * istride]);
+ tmp26 = tmp8 - tmp9;
+ tmp27 = c_im(input[istride]);
+ tmp28 = c_im(input[5 * istride]);
+ tmp29 = tmp27 - tmp28;
+ tmp10 = tmp8 + tmp9;
+ tmp48 = tmp27 + tmp28;
+ tmp30 = tmp26 - tmp29;
+ tmp42 = tmp26 + tmp29;
+ }
+ }
+ {
+ fftw_real tmp7;
+ fftw_real tmp14;
+ fftw_real tmp15;
+ fftw_real tmp22;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp7 = tmp3 + tmp6;
+ tmp14 = tmp10 + tmp13;
+ c_re(output[4 * ostride]) = tmp7 - tmp14;
+ c_re(output[0]) = tmp7 + tmp14;
+ tmp15 = tmp10 - tmp13;
+ tmp22 = tmp18 - tmp21;
+ c_im(output[2 * ostride]) = tmp15 + tmp22;
+ c_im(output[6 * ostride]) = tmp22 - tmp15;
+ }
+ {
+ fftw_real tmp47;
+ fftw_real tmp50;
+ fftw_real tmp51;
+ fftw_real tmp52;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp47 = tmp18 + tmp21;
+ tmp50 = tmp48 + tmp49;
+ c_im(output[4 * ostride]) = tmp47 - tmp50;
+ c_im(output[0]) = tmp47 + tmp50;
+ tmp51 = tmp3 - tmp6;
+ tmp52 = tmp49 - tmp48;
+ c_re(output[6 * ostride]) = tmp51 - tmp52;
+ c_re(output[2 * ostride]) = tmp51 + tmp52;
+ }
+ {
+ fftw_real tmp25;
+ fftw_real tmp36;
+ fftw_real tmp39;
+ fftw_real tmp40;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp25 = tmp23 - tmp24;
+ tmp36 = K707106781 * (tmp30 - tmp35);
+ c_im(output[7 * ostride]) = tmp25 - tmp36;
+ c_im(output[3 * ostride]) = tmp25 + tmp36;
+ tmp39 = tmp37 - tmp38;
+ tmp40 = K707106781 * (tmp30 + tmp35);
+ c_re(output[5 * ostride]) = tmp39 - tmp40;
+ c_re(output[ostride]) = tmp39 + tmp40;
+ }
+ {
+ fftw_real tmp45;
+ fftw_real tmp46;
+ fftw_real tmp41;
+ fftw_real tmp44;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp45 = tmp37 + tmp38;
+ tmp46 = K707106781 * (tmp43 - tmp42);
+ c_re(output[7 * ostride]) = tmp45 - tmp46;
+ c_re(output[3 * ostride]) = tmp45 + tmp46;
+ tmp41 = tmp24 + tmp23;
+ tmp44 = K707106781 * (tmp42 + tmp43);
+ c_im(output[5 * ostride]) = tmp41 - tmp44;
+ c_im(output[ostride]) = tmp41 + tmp44;
+ }
+}
+
+fftw_codelet_desc fftwi_no_twiddle_8_desc = {
+ "fftwi_no_twiddle_8",
+ (void (*)()) fftwi_no_twiddle_8,
+ 8,
+ FFTW_BACKWARD,
+ FFTW_NOTW,
+ 188,
+ 0,
+ (const int *) 0,
+};