diff src/fftw-3.3.3/libbench2/verify.h @ 10:37bf6b4a2645

Add FFTW3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/libbench2/verify.h	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2003, 2007-11 Matteo Frigo
+ * Copyright (c) 2003, 2007-11 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include "bench.h"
+
+typedef bench_real R;
+typedef bench_complex C;
+
+typedef struct dofft_closure_s {
+     void (*apply)(struct dofft_closure_s *k,
+		   bench_complex *in, bench_complex *out);
+     int recopy_input;
+} dofft_closure;
+
+double dmax(double x, double y);
+
+typedef void (*aconstrain)(C *a, int n);
+
+void arand(C *a, int n);
+void mkreal(C *A, int n);
+void mkhermitian(C *A, int rank, const bench_iodim *dim, int stride);
+void mkhermitian1(C *a, int n);
+void aadd(C *c, C *a, C *b, int n);
+void asub(C *c, C *a, C *b, int n);
+void arol(C *b, C *a, int n, int nb, int na);
+void aphase_shift(C *b, C *a, int n, int nb, int na, double sign);
+void ascale(C *a, C alpha, int n);
+double acmp(C *a, C *b, int n, const char *test, double tol);
+double mydrand(void);
+double impulse(dofft_closure *k,
+	       int n, int vecn, 
+	       C *inA, C *inB, C *inC,
+	       C *outA, C *outB, C *outC,
+	       C *tmp, int rounds, double tol);
+double linear(dofft_closure *k, int realp,
+	      int n, C *inA, C *inB, C *inC, C *outA,
+	      C *outB, C *outC, C *tmp, int rounds, double tol);
+void preserves_input(dofft_closure *k, aconstrain constrain,
+                     int n, C *inA, C *inB, C *outB, int rounds);
+
+enum { TIME_SHIFT, FREQ_SHIFT };
+double tf_shift(dofft_closure *k, int realp, const bench_tensor *sz,
+		int n, int vecn, double sign,
+		C *inA, C *inB, C *outA, C *outB, C *tmp,
+		int rounds, double tol, int which_shift);
+
+typedef struct dotens2_closure_s {
+     void (*apply)(struct dotens2_closure_s *k, 
+		   int indx0, int ondx0, int indx1, int ondx1);
+} dotens2_closure;
+
+void bench_dotens2(const bench_tensor *sz0, 
+		   const bench_tensor *sz1, dotens2_closure *k);
+
+void accuracy_test(dofft_closure *k, aconstrain constrain,
+		   int sign, int n, C *a, C *b, int rounds, int impulse_rounds,
+		   double t[6]);
+
+void accuracy_dft(bench_problem *p, int rounds, int impulse_rounds,
+		  double t[6]);
+void accuracy_rdft2(bench_problem *p, int rounds, int impulse_rounds,
+		    double t[6]);
+void accuracy_r2r(bench_problem *p, int rounds, int impulse_rounds,
+		  double t[6]);
+
+#if defined(BENCHFFT_LDOUBLE) && HAVE_COSL
+   typedef long double trigreal;
+#  define COS cosl
+#  define SIN sinl
+#  define TAN tanl
+#  define KTRIG(x) (x##L)
+#elif defined(BENCHFFT_QUAD) && HAVE_LIBQUADMATH
+   typedef __float128 trigreal;
+#  define COS cosq
+#  define SIN sinq
+#  define TAN tanq
+#  define KTRIG(x) (x##Q)
+extern trigreal cosq(trigreal);
+extern trigreal sinq(trigreal);
+extern trigreal tanq(trigreal);
+#else
+   typedef double trigreal;
+#  define COS cos
+#  define SIN sin
+#  define TAN tan
+#  define KTRIG(x) (x)
+#endif
+#define K2PI KTRIG(6.2831853071795864769252867665590057683943388)