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Diffstat (limited to 'src/sndobj/rfftw/frc_15.c')
-rw-r--r--src/sndobj/rfftw/frc_15.c233
1 files changed, 233 insertions, 0 deletions
diff --git a/src/sndobj/rfftw/frc_15.c b/src/sndobj/rfftw/frc_15.c
new file mode 100644
index 0000000..7f307db
--- /dev/null
+++ b/src/sndobj/rfftw/frc_15.c
@@ -0,0 +1,233 @@
+/*
+ * 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 20:43:58 EST 1999 */
+
+#include <fftw-int.h>
+#include <fftw.h>
+
+/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -real2hc 15 */
+
+/*
+ * This function contains 64 FP additions, 25 FP multiplications,
+ * (or, 50 additions, 11 multiplications, 14 fused multiply/add),
+ * 40 stack variables, and 30 memory accesses
+ */
+static const fftw_real K509036960 = FFTW_KONST(+0.509036960455127183450980863393907648510733164);
+static const fftw_real K823639103 = FFTW_KONST(+0.823639103546331925877420039278190003029660514);
+static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000);
+static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590);
+static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438);
+static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634);
+static const fftw_real K484122918 = FFTW_KONST(+0.484122918275927110647408174972799951354115213);
+static const fftw_real K216506350 = FFTW_KONST(+0.216506350946109661690930792688234045867850657);
+static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
+static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
+
+/*
+ * Generator Id's :
+ * $Id: frc_15.c,v 1.1.1.1 2006/05/12 15:14:58 veplaini Exp $
+ * $Id: frc_15.c,v 1.1.1.1 2006/05/12 15:14:58 veplaini Exp $
+ * $Id: frc_15.c,v 1.1.1.1 2006/05/12 15:14:58 veplaini Exp $
+ */
+
+void fftw_real2hc_15(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride)
+{
+ fftw_real tmp3;
+ fftw_real tmp53;
+ fftw_real tmp47;
+ fftw_real tmp39;
+ fftw_real tmp40;
+ fftw_real tmp10;
+ fftw_real tmp17;
+ fftw_real tmp18;
+ fftw_real tmp57;
+ fftw_real tmp58;
+ fftw_real tmp59;
+ fftw_real tmp31;
+ fftw_real tmp34;
+ fftw_real tmp43;
+ fftw_real tmp54;
+ fftw_real tmp55;
+ fftw_real tmp56;
+ fftw_real tmp24;
+ fftw_real tmp27;
+ fftw_real tmp42;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp45;
+ fftw_real tmp1;
+ fftw_real tmp2;
+ fftw_real tmp46;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp45 = input[0];
+ tmp1 = input[10 * istride];
+ tmp2 = input[5 * istride];
+ tmp46 = tmp2 + tmp1;
+ tmp3 = tmp1 - tmp2;
+ tmp53 = tmp45 + tmp46;
+ tmp47 = tmp45 - (K500000000 * tmp46);
+ }
+ {
+ fftw_real tmp22;
+ fftw_real tmp29;
+ fftw_real tmp32;
+ fftw_real tmp6;
+ fftw_real tmp23;
+ fftw_real tmp25;
+ fftw_real tmp16;
+ fftw_real tmp33;
+ fftw_real tmp9;
+ fftw_real tmp26;
+ fftw_real tmp13;
+ fftw_real tmp30;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp4;
+ fftw_real tmp5;
+ fftw_real tmp14;
+ fftw_real tmp15;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp22 = input[3 * istride];
+ tmp29 = input[6 * istride];
+ tmp32 = input[9 * istride];
+ tmp4 = input[13 * istride];
+ tmp5 = input[8 * istride];
+ tmp6 = tmp4 - tmp5;
+ tmp23 = tmp5 + tmp4;
+ tmp25 = input[12 * istride];
+ tmp14 = input[4 * istride];
+ tmp15 = input[14 * istride];
+ tmp16 = tmp14 - tmp15;
+ tmp33 = tmp15 + tmp14;
+ {
+ fftw_real tmp7;
+ fftw_real tmp8;
+ fftw_real tmp11;
+ fftw_real tmp12;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp7 = input[7 * istride];
+ tmp8 = input[2 * istride];
+ tmp9 = tmp7 - tmp8;
+ tmp26 = tmp8 + tmp7;
+ tmp11 = input[istride];
+ tmp12 = input[11 * istride];
+ tmp13 = tmp11 - tmp12;
+ tmp30 = tmp12 + tmp11;
+ }
+ }
+ tmp39 = tmp6 - tmp9;
+ tmp40 = tmp13 - tmp16;
+ tmp10 = tmp6 + tmp9;
+ tmp17 = tmp13 + tmp16;
+ tmp18 = tmp10 + tmp17;
+ tmp57 = tmp29 + tmp30;
+ tmp58 = tmp32 + tmp33;
+ tmp59 = tmp57 + tmp58;
+ tmp31 = tmp29 - (K500000000 * tmp30);
+ tmp34 = tmp32 - (K500000000 * tmp33);
+ tmp43 = tmp31 + tmp34;
+ tmp54 = tmp22 + tmp23;
+ tmp55 = tmp25 + tmp26;
+ tmp56 = tmp54 + tmp55;
+ tmp24 = tmp22 - (K500000000 * tmp23);
+ tmp27 = tmp25 - (K500000000 * tmp26);
+ tmp42 = tmp24 + tmp27;
+ }
+ imag_output[5 * imag_ostride] = -(K866025403 * (tmp3 + tmp18));
+ {
+ fftw_real tmp21;
+ fftw_real tmp37;
+ fftw_real tmp36;
+ fftw_real tmp38;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp19;
+ fftw_real tmp20;
+ fftw_real tmp28;
+ fftw_real tmp35;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp19 = (K866025403 * tmp3) - (K216506350 * tmp18);
+ tmp20 = K484122918 * (tmp10 - tmp17);
+ tmp21 = tmp19 + tmp20;
+ tmp37 = tmp20 - tmp19;
+ tmp28 = tmp24 - tmp27;
+ tmp35 = tmp31 - tmp34;
+ tmp36 = (K951056516 * tmp28) + (K587785252 * tmp35);
+ tmp38 = (K951056516 * tmp35) - (K587785252 * tmp28);
+ }
+ imag_output[imag_ostride] = tmp21 - tmp36;
+ imag_output[4 * imag_ostride] = tmp21 + tmp36;
+ imag_output[2 * imag_ostride] = tmp37 + tmp38;
+ imag_output[7 * imag_ostride] = tmp38 - tmp37;
+ }
+ {
+ fftw_real tmp63;
+ fftw_real tmp64;
+ fftw_real tmp62;
+ fftw_real tmp60;
+ fftw_real tmp61;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp63 = tmp54 - tmp55;
+ tmp64 = tmp57 - tmp58;
+ imag_output[3 * imag_ostride] = (K587785252 * tmp63) - (K951056516 * tmp64);
+ imag_output[6 * imag_ostride] = -((K951056516 * tmp63) + (K587785252 * tmp64));
+ tmp62 = K559016994 * (tmp56 - tmp59);
+ tmp60 = tmp56 + tmp59;
+ tmp61 = tmp53 - (K250000000 * tmp60);
+ real_output[3 * real_ostride] = tmp61 - tmp62;
+ real_output[6 * real_ostride] = tmp62 + tmp61;
+ real_output[0] = tmp53 + tmp60;
+ {
+ fftw_real tmp41;
+ fftw_real tmp52;
+ fftw_real tmp44;
+ fftw_real tmp48;
+ fftw_real tmp49;
+ fftw_real tmp51;
+ fftw_real tmp50;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp41 = (K823639103 * tmp39) + (K509036960 * tmp40);
+ tmp52 = (K509036960 * tmp39) - (K823639103 * tmp40);
+ tmp44 = K559016994 * (tmp42 - tmp43);
+ tmp48 = tmp42 + tmp43;
+ tmp49 = tmp47 - (K250000000 * tmp48);
+ real_output[5 * real_ostride] = tmp47 + tmp48;
+ tmp51 = tmp49 - tmp44;
+ real_output[2 * real_ostride] = tmp51 - tmp52;
+ real_output[7 * real_ostride] = tmp52 + tmp51;
+ tmp50 = tmp44 + tmp49;
+ real_output[real_ostride] = tmp41 + tmp50;
+ real_output[4 * real_ostride] = tmp50 - tmp41;
+ }
+ }
+}
+
+fftw_codelet_desc fftw_real2hc_15_desc =
+{
+ "fftw_real2hc_15",
+ (void (*)()) fftw_real2hc_15,
+ 15,
+ FFTW_FORWARD,
+ FFTW_REAL2HC,
+ 332,
+ 0,
+ (const int *) 0,
+};
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-05 11:01:42 +0000