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Diffstat (limited to 'src/sndobj/rfftw/fhb_5.c')
-rw-r--r--src/sndobj/rfftw/fhb_5.c276
1 files changed, 276 insertions, 0 deletions
diff --git a/src/sndobj/rfftw/fhb_5.c b/src/sndobj/rfftw/fhb_5.c
new file mode 100644
index 0000000..59b57c9
--- /dev/null
+++ b/src/sndobj/rfftw/fhb_5.c
@@ -0,0 +1,276 @@
+/*
+ * Copyright (c) 1997-1999 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 Sun Nov 7 20:45:10 EST 1999 */
+
+#include <fftw-int.h>
+#include <fftw.h>
+
+/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2hc-backward 5 */
+
+/*
+ * This function contains 64 FP additions, 42 FP multiplications,
+ * (or, 42 additions, 20 multiplications, 22 fused multiply/add),
+ * 25 stack variables, and 40 memory accesses
+ */
+static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000);
+static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590);
+static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634);
+static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438);
+static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
+static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
+static const fftw_real K1_118033988 = FFTW_KONST(+1.118033988749894848204586834365638117720309180);
+static const fftw_real K1_175570504 = FFTW_KONST(+1.175570504584946258337411909278145537195304875);
+static const fftw_real K1_902113032 = FFTW_KONST(+1.902113032590307144232878666758764286811397268);
+
+/*
+ * Generator Id's :
+ * $Id: fhb_5.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $
+ * $Id: fhb_5.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $
+ * $Id: fhb_5.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $
+ */
+
+void fftw_hc2hc_backward_5(fftw_real *A, const fftw_complex *W, int iostride, int m, int dist)
+{
+ int i;
+ fftw_real *X;
+ fftw_real *Y;
+ X = A;
+ Y = A + (5 * iostride);
+ {
+ fftw_real tmp70;
+ fftw_real tmp72;
+ fftw_real tmp61;
+ fftw_real tmp64;
+ fftw_real tmp65;
+ fftw_real tmp66;
+ fftw_real tmp71;
+ fftw_real tmp67;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp68;
+ fftw_real tmp69;
+ fftw_real tmp62;
+ fftw_real tmp63;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp68 = Y[-iostride];
+ tmp69 = Y[-2 * iostride];
+ tmp70 = (K1_902113032 * tmp68) + (K1_175570504 * tmp69);
+ tmp72 = (K1_902113032 * tmp69) - (K1_175570504 * tmp68);
+ tmp61 = X[0];
+ tmp62 = X[iostride];
+ tmp63 = X[2 * iostride];
+ tmp64 = tmp62 + tmp63;
+ tmp65 = K1_118033988 * (tmp62 - tmp63);
+ tmp66 = tmp61 - (K500000000 * tmp64);
+ }
+ X[0] = tmp61 + (K2_000000000 * tmp64);
+ tmp71 = tmp66 - tmp65;
+ X[3 * iostride] = tmp71 - tmp72;
+ X[2 * iostride] = tmp71 + tmp72;
+ tmp67 = tmp65 + tmp66;
+ X[4 * iostride] = tmp67 + tmp70;
+ X[iostride] = tmp67 - tmp70;
+ }
+ X = X + dist;
+ Y = Y - dist;
+ for (i = 2; i < m; i = i + 2, X = X + dist, Y = Y - dist, W = W + 4) {
+ fftw_real tmp13;
+ fftw_real tmp32;
+ fftw_real tmp50;
+ fftw_real tmp39;
+ fftw_real tmp20;
+ fftw_real tmp38;
+ fftw_real tmp21;
+ fftw_real tmp34;
+ fftw_real tmp28;
+ fftw_real tmp33;
+ fftw_real tmp43;
+ fftw_real tmp55;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp19;
+ fftw_real tmp31;
+ fftw_real tmp16;
+ fftw_real tmp30;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp13 = X[0];
+ {
+ fftw_real tmp17;
+ fftw_real tmp18;
+ fftw_real tmp14;
+ fftw_real tmp15;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp17 = X[2 * iostride];
+ tmp18 = Y[-3 * iostride];
+ tmp19 = tmp17 + tmp18;
+ tmp31 = tmp17 - tmp18;
+ tmp14 = X[iostride];
+ tmp15 = Y[-4 * iostride];
+ tmp16 = tmp14 + tmp15;
+ tmp30 = tmp14 - tmp15;
+ }
+ tmp32 = (K587785252 * tmp30) - (K951056516 * tmp31);
+ tmp50 = (K951056516 * tmp30) + (K587785252 * tmp31);
+ tmp39 = K559016994 * (tmp16 - tmp19);
+ tmp20 = tmp16 + tmp19;
+ tmp38 = tmp13 - (K250000000 * tmp20);
+ }
+ {
+ fftw_real tmp27;
+ fftw_real tmp42;
+ fftw_real tmp24;
+ fftw_real tmp41;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp21 = Y[0];
+ {
+ fftw_real tmp25;
+ fftw_real tmp26;
+ fftw_real tmp22;
+ fftw_real tmp23;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp25 = Y[-2 * iostride];
+ tmp26 = X[3 * iostride];
+ tmp27 = tmp25 - tmp26;
+ tmp42 = tmp25 + tmp26;
+ tmp22 = Y[-iostride];
+ tmp23 = X[4 * iostride];
+ tmp24 = tmp22 - tmp23;
+ tmp41 = tmp22 + tmp23;
+ }
+ tmp34 = K559016994 * (tmp24 - tmp27);
+ tmp28 = tmp24 + tmp27;
+ tmp33 = tmp21 - (K250000000 * tmp28);
+ tmp43 = (K587785252 * tmp41) - (K951056516 * tmp42);
+ tmp55 = (K951056516 * tmp41) + (K587785252 * tmp42);
+ }
+ X[0] = tmp13 + tmp20;
+ {
+ fftw_real tmp52;
+ fftw_real tmp58;
+ fftw_real tmp56;
+ fftw_real tmp60;
+ fftw_real tmp51;
+ fftw_real tmp54;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp51 = tmp34 + tmp33;
+ tmp52 = tmp50 + tmp51;
+ tmp58 = tmp51 - tmp50;
+ tmp54 = tmp39 + tmp38;
+ tmp56 = tmp54 - tmp55;
+ tmp60 = tmp54 + tmp55;
+ {
+ fftw_real tmp49;
+ fftw_real tmp53;
+ fftw_real tmp57;
+ fftw_real tmp59;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp49 = c_re(W[0]);
+ tmp53 = c_im(W[0]);
+ Y[-3 * iostride] = (tmp49 * tmp52) - (tmp53 * tmp56);
+ X[iostride] = (tmp53 * tmp52) + (tmp49 * tmp56);
+ tmp57 = c_re(W[3]);
+ tmp59 = c_im(W[3]);
+ Y[0] = (tmp57 * tmp58) - (tmp59 * tmp60);
+ X[4 * iostride] = (tmp59 * tmp58) + (tmp57 * tmp60);
+ }
+ }
+ Y[-4 * iostride] = tmp21 + tmp28;
+ {
+ fftw_real tmp36;
+ fftw_real tmp46;
+ fftw_real tmp44;
+ fftw_real tmp48;
+ fftw_real tmp35;
+ fftw_real tmp40;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp35 = tmp33 - tmp34;
+ tmp36 = tmp32 + tmp35;
+ tmp46 = tmp35 - tmp32;
+ tmp40 = tmp38 - tmp39;
+ tmp44 = tmp40 - tmp43;
+ tmp48 = tmp40 + tmp43;
+ {
+ fftw_real tmp29;
+ fftw_real tmp37;
+ fftw_real tmp45;
+ fftw_real tmp47;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp29 = c_re(W[1]);
+ tmp37 = c_im(W[1]);
+ Y[-2 * iostride] = (tmp29 * tmp36) - (tmp37 * tmp44);
+ X[2 * iostride] = (tmp37 * tmp36) + (tmp29 * tmp44);
+ tmp45 = c_re(W[2]);
+ tmp47 = c_im(W[2]);
+ Y[-iostride] = (tmp45 * tmp46) - (tmp47 * tmp48);
+ X[3 * iostride] = (tmp47 * tmp46) + (tmp45 * tmp48);
+ }
+ }
+ }
+ if (i == m) {
+ fftw_real tmp10;
+ fftw_real tmp12;
+ fftw_real tmp1;
+ fftw_real tmp4;
+ fftw_real tmp5;
+ fftw_real tmp6;
+ fftw_real tmp11;
+ fftw_real tmp7;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp8;
+ fftw_real tmp9;
+ fftw_real tmp2;
+ fftw_real tmp3;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp8 = Y[-iostride];
+ tmp9 = Y[0];
+ tmp10 = (K1_902113032 * tmp8) + (K1_175570504 * tmp9);
+ tmp12 = (K1_175570504 * tmp8) - (K1_902113032 * tmp9);
+ tmp1 = X[2 * iostride];
+ tmp2 = X[iostride];
+ tmp3 = X[0];
+ tmp4 = tmp2 + tmp3;
+ tmp5 = (K500000000 * tmp4) - tmp1;
+ tmp6 = K1_118033988 * (tmp3 - tmp2);
+ }
+ X[0] = tmp1 + (K2_000000000 * tmp4);
+ tmp11 = tmp6 - tmp5;
+ X[2 * iostride] = tmp11 + tmp12;
+ X[3 * iostride] = tmp12 - tmp11;
+ tmp7 = tmp5 + tmp6;
+ X[iostride] = tmp7 - tmp10;
+ X[4 * iostride] = -(tmp7 + tmp10);
+ }
+}
+
+static const int twiddle_order[] =
+{1, 2, 3, 4};
+fftw_codelet_desc fftw_hc2hc_backward_5_desc =
+{
+ "fftw_hc2hc_backward_5",
+ (void (*)()) fftw_hc2hc_backward_5,
+ 5,
+ FFTW_BACKWARD,
+ FFTW_HC2HC,
+ 124,
+ 4,
+ twiddle_order,
+};
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-05 22:19:40 +0000