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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/fn_16.c
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'src/fftw/fn_16.c')
-rw-r--r--src/fftw/fn_16.c442
1 files changed, 442 insertions, 0 deletions
diff --git a/src/fftw/fn_16.c b/src/fftw/fn_16.c
new file mode 100644
index 0000000..d75b389
--- /dev/null
+++ b/src/fftw/fn_16.c
@@ -0,0 +1,442 @@
+/*
+ * 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 02:05:46 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 -notwiddle 16 */
+
+/*
+ * This function contains 144 FP additions, 24 FP multiplications,
+ * (or, 136 additions, 16 multiplications, 8 fused multiply/add),
+ * 46 stack variables, and 64 memory accesses
+ */
+static const fftw_real K923879532 =
+FFTW_KONST(+0.923879532511286756128183189396788286822416626);
+static const fftw_real K382683432 =
+FFTW_KONST(+0.382683432365089771728459984030398866761344562);
+static const fftw_real K707106781 =
+FFTW_KONST(+0.707106781186547524400844362104849039284835938);
+
+/*
+ * Generator Id's :
+ * $Id: fn_16.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ * $Id: fn_16.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ * $Id: fn_16.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ */
+
+void fftw_no_twiddle_16(const fftw_complex *input, fftw_complex *output,
+ int istride, int ostride)
+{
+ fftw_real tmp7;
+ fftw_real tmp115;
+ fftw_real tmp38;
+ fftw_real tmp129;
+ fftw_real tmp49;
+ fftw_real tmp95;
+ fftw_real tmp83;
+ fftw_real tmp105;
+ fftw_real tmp29;
+ fftw_real tmp123;
+ fftw_real tmp73;
+ fftw_real tmp101;
+ fftw_real tmp78;
+ fftw_real tmp102;
+ fftw_real tmp126;
+ fftw_real tmp141;
+ fftw_real tmp14;
+ fftw_real tmp130;
+ fftw_real tmp45;
+ fftw_real tmp116;
+ fftw_real tmp52;
+ fftw_real tmp85;
+ fftw_real tmp55;
+ fftw_real tmp84;
+ fftw_real tmp22;
+ fftw_real tmp118;
+ fftw_real tmp62;
+ fftw_real tmp98;
+ fftw_real tmp67;
+ fftw_real tmp99;
+ fftw_real tmp121;
+ fftw_real tmp140;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp3;
+ fftw_real tmp47;
+ fftw_real tmp34;
+ fftw_real tmp82;
+ fftw_real tmp6;
+ fftw_real tmp81;
+ fftw_real tmp37;
+ fftw_real tmp48;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp1;
+ fftw_real tmp2;
+ fftw_real tmp32;
+ fftw_real tmp33;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp1 = c_re(input[0]);
+ tmp2 = c_re(input[8 * istride]);
+ tmp3 = tmp1 + tmp2;
+ tmp47 = tmp1 - tmp2;
+ tmp32 = c_im(input[0]);
+ tmp33 = c_im(input[8 * istride]);
+ tmp34 = tmp32 + tmp33;
+ tmp82 = tmp32 - tmp33;
+ }
+ {
+ fftw_real tmp4;
+ fftw_real tmp5;
+ fftw_real tmp35;
+ fftw_real tmp36;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp4 = c_re(input[4 * istride]);
+ tmp5 = c_re(input[12 * istride]);
+ tmp6 = tmp4 + tmp5;
+ tmp81 = tmp4 - tmp5;
+ tmp35 = c_im(input[4 * istride]);
+ tmp36 = c_im(input[12 * istride]);
+ tmp37 = tmp35 + tmp36;
+ tmp48 = tmp35 - tmp36;
+ }
+ tmp7 = tmp3 + tmp6;
+ tmp115 = tmp3 - tmp6;
+ tmp38 = tmp34 + tmp37;
+ tmp129 = tmp34 - tmp37;
+ tmp49 = tmp47 - tmp48;
+ tmp95 = tmp47 + tmp48;
+ tmp83 = tmp81 + tmp82;
+ tmp105 = tmp82 - tmp81;
+ }
+ {
+ fftw_real tmp25;
+ fftw_real tmp69;
+ fftw_real tmp77;
+ fftw_real tmp124;
+ fftw_real tmp28;
+ fftw_real tmp74;
+ fftw_real tmp72;
+ fftw_real tmp125;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp23;
+ fftw_real tmp24;
+ fftw_real tmp75;
+ fftw_real tmp76;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp23 = c_re(input[15 * istride]);
+ tmp24 = c_re(input[7 * istride]);
+ tmp25 = tmp23 + tmp24;
+ tmp69 = tmp23 - tmp24;
+ tmp75 = c_im(input[15 * istride]);
+ tmp76 = c_im(input[7 * istride]);
+ tmp77 = tmp75 - tmp76;
+ tmp124 = tmp75 + tmp76;
+ }
+ {
+ fftw_real tmp26;
+ fftw_real tmp27;
+ fftw_real tmp70;
+ fftw_real tmp71;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp26 = c_re(input[3 * istride]);
+ tmp27 = c_re(input[11 * istride]);
+ tmp28 = tmp26 + tmp27;
+ tmp74 = tmp26 - tmp27;
+ tmp70 = c_im(input[3 * istride]);
+ tmp71 = c_im(input[11 * istride]);
+ tmp72 = tmp70 - tmp71;
+ tmp125 = tmp70 + tmp71;
+ }
+ tmp29 = tmp25 + tmp28;
+ tmp123 = tmp25 - tmp28;
+ tmp73 = tmp69 - tmp72;
+ tmp101 = tmp69 + tmp72;
+ tmp78 = tmp74 + tmp77;
+ tmp102 = tmp77 - tmp74;
+ tmp126 = tmp124 - tmp125;
+ tmp141 = tmp124 + tmp125;
+ }
+ {
+ fftw_real tmp10;
+ fftw_real tmp51;
+ fftw_real tmp41;
+ fftw_real tmp50;
+ fftw_real tmp13;
+ fftw_real tmp53;
+ fftw_real tmp44;
+ fftw_real tmp54;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp8;
+ fftw_real tmp9;
+ fftw_real tmp39;
+ fftw_real tmp40;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp8 = c_re(input[2 * istride]);
+ tmp9 = c_re(input[10 * istride]);
+ tmp10 = tmp8 + tmp9;
+ tmp51 = tmp8 - tmp9;
+ tmp39 = c_im(input[2 * istride]);
+ tmp40 = c_im(input[10 * istride]);
+ tmp41 = tmp39 + tmp40;
+ tmp50 = tmp39 - tmp40;
+ }
+ {
+ fftw_real tmp11;
+ fftw_real tmp12;
+ fftw_real tmp42;
+ fftw_real tmp43;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp11 = c_re(input[14 * istride]);
+ tmp12 = c_re(input[6 * istride]);
+ tmp13 = tmp11 + tmp12;
+ tmp53 = tmp11 - tmp12;
+ tmp42 = c_im(input[14 * istride]);
+ tmp43 = c_im(input[6 * istride]);
+ tmp44 = tmp42 + tmp43;
+ tmp54 = tmp42 - tmp43;
+ }
+ tmp14 = tmp10 + tmp13;
+ tmp130 = tmp13 - tmp10;
+ tmp45 = tmp41 + tmp44;
+ tmp116 = tmp41 - tmp44;
+ tmp52 = tmp50 - tmp51;
+ tmp85 = tmp51 + tmp50;
+ tmp55 = tmp53 + tmp54;
+ tmp84 = tmp53 - tmp54;
+ }
+ {
+ fftw_real tmp18;
+ fftw_real tmp63;
+ fftw_real tmp61;
+ fftw_real tmp119;
+ fftw_real tmp21;
+ fftw_real tmp58;
+ fftw_real tmp66;
+ fftw_real tmp120;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp16;
+ fftw_real tmp17;
+ fftw_real tmp59;
+ fftw_real tmp60;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp16 = c_re(input[istride]);
+ tmp17 = c_re(input[9 * istride]);
+ tmp18 = tmp16 + tmp17;
+ tmp63 = tmp16 - tmp17;
+ tmp59 = c_im(input[istride]);
+ tmp60 = c_im(input[9 * istride]);
+ tmp61 = tmp59 - tmp60;
+ tmp119 = tmp59 + tmp60;
+ }
+ {
+ fftw_real tmp19;
+ fftw_real tmp20;
+ fftw_real tmp64;
+ fftw_real tmp65;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp19 = c_re(input[5 * istride]);
+ tmp20 = c_re(input[13 * istride]);
+ tmp21 = tmp19 + tmp20;
+ tmp58 = tmp19 - tmp20;
+ tmp64 = c_im(input[5 * istride]);
+ tmp65 = c_im(input[13 * istride]);
+ tmp66 = tmp64 - tmp65;
+ tmp120 = tmp64 + tmp65;
+ }
+ tmp22 = tmp18 + tmp21;
+ tmp118 = tmp18 - tmp21;
+ tmp62 = tmp58 + tmp61;
+ tmp98 = tmp61 - tmp58;
+ tmp67 = tmp63 - tmp66;
+ tmp99 = tmp63 + tmp66;
+ tmp121 = tmp119 - tmp120;
+ tmp140 = tmp119 + tmp120;
+ }
+ {
+ fftw_real tmp15;
+ fftw_real tmp30;
+ fftw_real tmp31;
+ fftw_real tmp46;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp15 = tmp7 + tmp14;
+ tmp30 = tmp22 + tmp29;
+ c_re(output[8 * ostride]) = tmp15 - tmp30;
+ c_re(output[0]) = tmp15 + tmp30;
+ tmp31 = tmp29 - tmp22;
+ tmp46 = tmp38 - tmp45;
+ c_im(output[4 * ostride]) = tmp31 + tmp46;
+ c_im(output[12 * ostride]) = tmp46 - tmp31;
+ }
+ {
+ fftw_real tmp143;
+ fftw_real tmp144;
+ fftw_real tmp139;
+ fftw_real tmp142;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp143 = tmp38 + tmp45;
+ tmp144 = tmp140 + tmp141;
+ c_im(output[8 * ostride]) = tmp143 - tmp144;
+ c_im(output[0]) = tmp143 + tmp144;
+ tmp139 = tmp7 - tmp14;
+ tmp142 = tmp140 - tmp141;
+ c_re(output[12 * ostride]) = tmp139 - tmp142;
+ c_re(output[4 * ostride]) = tmp139 + tmp142;
+ }
+ {
+ fftw_real tmp117;
+ fftw_real tmp131;
+ fftw_real tmp128;
+ fftw_real tmp132;
+ fftw_real tmp122;
+ fftw_real tmp127;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp117 = tmp115 + tmp116;
+ tmp131 = tmp129 - tmp130;
+ tmp122 = tmp118 + tmp121;
+ tmp127 = tmp123 - tmp126;
+ tmp128 = K707106781 * (tmp122 + tmp127);
+ tmp132 = K707106781 * (tmp127 - tmp122);
+ c_re(output[10 * ostride]) = tmp117 - tmp128;
+ c_re(output[2 * ostride]) = tmp117 + tmp128;
+ c_im(output[14 * ostride]) = tmp131 - tmp132;
+ c_im(output[6 * ostride]) = tmp131 + tmp132;
+ }
+ {
+ fftw_real tmp133;
+ fftw_real tmp137;
+ fftw_real tmp136;
+ fftw_real tmp138;
+ fftw_real tmp134;
+ fftw_real tmp135;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp133 = tmp115 - tmp116;
+ tmp137 = tmp130 + tmp129;
+ tmp134 = tmp121 - tmp118;
+ tmp135 = tmp123 + tmp126;
+ tmp136 = K707106781 * (tmp134 - tmp135);
+ tmp138 = K707106781 * (tmp134 + tmp135);
+ c_re(output[14 * ostride]) = tmp133 - tmp136;
+ c_re(output[6 * ostride]) = tmp133 + tmp136;
+ c_im(output[10 * ostride]) = tmp137 - tmp138;
+ c_im(output[2 * ostride]) = tmp137 + tmp138;
+ }
+ {
+ fftw_real tmp57;
+ fftw_real tmp89;
+ fftw_real tmp92;
+ fftw_real tmp94;
+ fftw_real tmp87;
+ fftw_real tmp93;
+ fftw_real tmp80;
+ fftw_real tmp88;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp56;
+ fftw_real tmp90;
+ fftw_real tmp91;
+ fftw_real tmp86;
+ fftw_real tmp68;
+ fftw_real tmp79;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp56 = K707106781 * (tmp52 - tmp55);
+ tmp57 = tmp49 + tmp56;
+ tmp89 = tmp49 - tmp56;
+ tmp90 = (K382683432 * tmp62) - (K923879532 * tmp67);
+ tmp91 = (K382683432 * tmp78) + (K923879532 * tmp73);
+ tmp92 = tmp90 - tmp91;
+ tmp94 = tmp90 + tmp91;
+ tmp86 = K707106781 * (tmp84 - tmp85);
+ tmp87 = tmp83 - tmp86;
+ tmp93 = tmp83 + tmp86;
+ tmp68 = (K923879532 * tmp62) + (K382683432 * tmp67);
+ tmp79 = (K382683432 * tmp73) - (K923879532 * tmp78);
+ tmp80 = tmp68 + tmp79;
+ tmp88 = tmp79 - tmp68;
+ }
+ c_re(output[11 * ostride]) = tmp57 - tmp80;
+ c_re(output[3 * ostride]) = tmp57 + tmp80;
+ c_im(output[15 * ostride]) = tmp87 - tmp88;
+ c_im(output[7 * ostride]) = tmp87 + tmp88;
+ c_re(output[15 * ostride]) = tmp89 - tmp92;
+ c_re(output[7 * ostride]) = tmp89 + tmp92;
+ c_im(output[11 * ostride]) = tmp93 - tmp94;
+ c_im(output[3 * ostride]) = tmp93 + tmp94;
+ }
+ {
+ fftw_real tmp97;
+ fftw_real tmp109;
+ fftw_real tmp112;
+ fftw_real tmp114;
+ fftw_real tmp107;
+ fftw_real tmp113;
+ fftw_real tmp104;
+ fftw_real tmp108;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp96;
+ fftw_real tmp110;
+ fftw_real tmp111;
+ fftw_real tmp106;
+ fftw_real tmp100;
+ fftw_real tmp103;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp96 = K707106781 * (tmp85 + tmp84);
+ tmp97 = tmp95 + tmp96;
+ tmp109 = tmp95 - tmp96;
+ tmp110 = (K923879532 * tmp98) - (K382683432 * tmp99);
+ tmp111 = (K923879532 * tmp102) + (K382683432 * tmp101);
+ tmp112 = tmp110 - tmp111;
+ tmp114 = tmp110 + tmp111;
+ tmp106 = K707106781 * (tmp52 + tmp55);
+ tmp107 = tmp105 - tmp106;
+ tmp113 = tmp105 + tmp106;
+ tmp100 = (K382683432 * tmp98) + (K923879532 * tmp99);
+ tmp103 = (K923879532 * tmp101) - (K382683432 * tmp102);
+ tmp104 = tmp100 + tmp103;
+ tmp108 = tmp103 - tmp100;
+ }
+ c_re(output[9 * ostride]) = tmp97 - tmp104;
+ c_re(output[ostride]) = tmp97 + tmp104;
+ c_im(output[13 * ostride]) = tmp107 - tmp108;
+ c_im(output[5 * ostride]) = tmp107 + tmp108;
+ c_re(output[13 * ostride]) = tmp109 - tmp112;
+ c_re(output[5 * ostride]) = tmp109 + tmp112;
+ c_im(output[9 * ostride]) = tmp113 - tmp114;
+ c_im(output[ostride]) = tmp113 + tmp114;
+ }
+}
+
+fftw_codelet_desc fftw_no_twiddle_16_desc = {
+ "fftw_no_twiddle_16",
+ (void (*)()) fftw_no_twiddle_16,
+ 16,
+ FFTW_FORWARD,
+ FFTW_NOTW,
+ 353,
+ 0,
+ (const int *) 0,
+};