diff options
Diffstat (limited to 'src/sndobj/rfftw/fcr_5.c')
| -rw-r--r-- | src/sndobj/rfftw/fcr_5.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/sndobj/rfftw/fcr_5.c b/src/sndobj/rfftw/fcr_5.c new file mode 100644 index 0000000..bb494de --- /dev/null +++ b/src/sndobj/rfftw/fcr_5.c @@ -0,0 +1,93 @@ +/*
+ * 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 20:44:19 EST 1999 */
+
+#include <fftw-int.h>
+#include <fftw.h>
+
+/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 5 */
+
+/*
+ * This function contains 12 FP additions, 7 FP multiplications,
+ * (or, 8 additions, 3 multiplications, 4 fused multiply/add),
+ * 12 stack variables, and 10 memory accesses
+ */
+static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
+static const fftw_real K1_118033988 = FFTW_KONST(+1.118033988749894848204586834365638117720309180);
+static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
+static const fftw_real K1_902113032 = FFTW_KONST(+1.902113032590307144232878666758764286811397268);
+static const fftw_real K1_175570504 = FFTW_KONST(+1.175570504584946258337411909278145537195304875);
+
+/*
+ * Generator Id's :
+ * $Id: fcr_5.c,v 1.1.1.1 2006/05/12 15:14:50 veplaini Exp $
+ * $Id: fcr_5.c,v 1.1.1.1 2006/05/12 15:14:50 veplaini Exp $
+ * $Id: fcr_5.c,v 1.1.1.1 2006/05/12 15:14:50 veplaini Exp $
+ */
+
+void fftw_hc2real_5(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride)
+{
+ 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 = imag_input[imag_istride];
+ tmp9 = imag_input[2 * imag_istride];
+ tmp10 = (K1_175570504 * tmp8) - (K1_902113032 * tmp9);
+ tmp12 = (K1_902113032 * tmp8) + (K1_175570504 * tmp9);
+ tmp1 = real_input[0];
+ tmp2 = real_input[real_istride];
+ tmp3 = real_input[2 * real_istride];
+ tmp4 = tmp2 + tmp3;
+ tmp5 = tmp1 - (K500000000 * tmp4);
+ tmp6 = K1_118033988 * (tmp2 - tmp3);
+ }
+ output[0] = tmp1 + (K2_000000000 * tmp4);
+ tmp11 = tmp6 + tmp5;
+ output[ostride] = tmp11 - tmp12;
+ output[4 * ostride] = tmp11 + tmp12;
+ tmp7 = tmp5 - tmp6;
+ output[2 * ostride] = tmp7 - tmp10;
+ output[3 * ostride] = tmp7 + tmp10;
+}
+
+fftw_codelet_desc fftw_hc2real_5_desc =
+{
+ "fftw_hc2real_5",
+ (void (*)()) fftw_hc2real_5,
+ 5,
+ FFTW_BACKWARD,
+ FFTW_HC2REAL,
+ 125,
+ 0,
+ (const int *) 0,
+};
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