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

Add FFTW3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/libbench2/bench-user.h	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,275 @@
+/*
+ * Copyright (c) 2001 Matteo Frigo
+ * Copyright (c) 2001 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
+ *
+ */
+
+#ifndef __BENCH_USER_H__
+#define __BENCH_USER_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif                          /* __cplusplus */
+
+/* benchmark program definitions for user code */
+#include "config.h"
+
+#if HAVE_STDDEF_H
+#include <stddef.h>
+#endif
+
+#if HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#if defined(BENCHFFT_SINGLE)
+typedef float bench_real;
+#elif defined(BENCHFFT_LDOUBLE)
+typedef long double bench_real;
+#elif defined(BENCHFFT_QUAD)
+typedef __float128 bench_real;
+#else
+typedef double bench_real;
+#endif
+
+typedef bench_real bench_complex[2];
+
+#define c_re(c)  ((c)[0])
+#define c_im(c)  ((c)[1])
+
+#undef DOUBLE_PRECISION
+#define DOUBLE_PRECISION (sizeof(bench_real) == sizeof(double))
+#undef SINGLE_PRECISION
+#define SINGLE_PRECISION (!DOUBLE_PRECISION && sizeof(bench_real) == sizeof(float))
+#undef LDOUBLE_PRECISION
+#define LDOUBLE_PRECISION (!DOUBLE_PRECISION && sizeof(bench_real) == sizeof(long double))
+
+#undef QUAD_PRECISION
+#ifdef BENCHFFT_QUAD
+#define QUAD_PRECISION (!LDOUBLE_PRECISION && sizeof(bench_real) == sizeof(__float128))
+#else
+#define QUAD_PRECISION 0
+#endif
+
+typedef enum { PROBLEM_COMPLEX, PROBLEM_REAL, PROBLEM_R2R } problem_kind_t;
+
+typedef enum {
+     R2R_R2HC, R2R_HC2R, R2R_DHT,
+     R2R_REDFT00, R2R_REDFT01, R2R_REDFT10, R2R_REDFT11,
+     R2R_RODFT00, R2R_RODFT01, R2R_RODFT10, R2R_RODFT11
+} r2r_kind_t;
+
+typedef struct {
+     int n;
+     int is;			/* input stride */
+     int os;			/* output stride */
+} bench_iodim;
+
+typedef struct {
+     int rnk;
+     bench_iodim *dims;
+} bench_tensor;
+
+bench_tensor *mktensor(int rnk);
+void tensor_destroy(bench_tensor *sz);
+int tensor_sz(const bench_tensor *sz);
+bench_tensor *tensor_compress(const bench_tensor *sz);
+int tensor_unitstridep(bench_tensor *t);
+int tensor_rowmajorp(bench_tensor *t);
+int tensor_real_rowmajorp(bench_tensor *t, int sign, int in_place);
+bench_tensor *tensor_append(const bench_tensor *a, const bench_tensor *b);
+bench_tensor *tensor_copy(const bench_tensor *sz);
+bench_tensor *tensor_copy_sub(const bench_tensor *sz, int start_dim, int rnk);
+bench_tensor *tensor_copy_swapio(const bench_tensor *sz);
+void tensor_ibounds(bench_tensor *t, int *lbp, int *ubp);
+void tensor_obounds(bench_tensor *t, int *lbp, int *ubp);
+
+/*
+  Definition of rank -infinity.
+  This definition has the property that if you want rank 0 or 1,
+  you can simply test for rank <= 1.  This is a common case.
+ 
+  A tensor of rank -infinity has size 0.
+*/
+#define RNK_MINFTY  ((int)(((unsigned) -1) >> 1))
+#define FINITE_RNK(rnk) ((rnk) != RNK_MINFTY)
+
+typedef struct {
+     problem_kind_t kind;
+     r2r_kind_t *k;
+     bench_tensor *sz;
+     bench_tensor *vecsz;
+     int sign;
+     int in_place;
+     int destroy_input;
+     int split;
+     void *in, *out;
+     void *inphys, *outphys;
+     int iphyssz, ophyssz;
+     char *pstring;
+     void *userinfo; /* user can store whatever */
+     int scrambled_in, scrambled_out; /* hack for MPI */
+
+     /* internal hack so that we can use verifier in FFTW test program */
+     void *ini, *outi; /* if nonzero, point to imag. parts for dft */
+
+     /* another internal hack to avoid passing around too many parameters */
+     double setup_time;
+} bench_problem;
+
+extern int verbose;
+
+extern int no_speed_allocation;
+
+extern int always_pad_real;
+
+#define LIBBENCH_TIMER 0
+#define USER_TIMER 1
+#define BENCH_NTIMERS 2
+extern void timer_start(int which_timer);
+extern double timer_stop(int which_timer);
+
+extern int can_do(bench_problem *p);
+extern void setup(bench_problem *p);
+extern void doit(int iter, bench_problem *p);
+extern void done(bench_problem *p);
+extern void main_init(int *argc, char ***argv);
+extern void cleanup(void);
+extern void verify(const char *param, int rounds, double tol);
+extern void useropt(const char *arg);
+
+extern void verify_problem(bench_problem *p, int rounds, double tol);
+
+extern void problem_alloc(bench_problem *p);
+extern void problem_free(bench_problem *p);
+extern void problem_zero(bench_problem *p);
+extern void problem_destroy(bench_problem *p);
+
+extern int power_of_two(int n);
+extern int log_2(int n);
+
+
+#define CASSIGN(out, in) (c_re(out) = c_re(in), c_im(out) = c_im(in))
+
+bench_tensor *verify_pack(const bench_tensor *sz, int s);
+
+typedef struct {
+     double l;
+     double i;
+     double s;
+} errors;
+
+void verify_dft(bench_problem *p, int rounds, double tol, errors *e);
+void verify_rdft2(bench_problem *p, int rounds, double tol, errors *e);
+void verify_r2r(bench_problem *p, int rounds, double tol, errors *e);
+
+/**************************************************************/
+/* routines to override */
+
+extern void after_problem_ccopy_from(bench_problem *p, bench_real *ri, bench_real *ii);
+extern void after_problem_ccopy_to(bench_problem *p, bench_real *ro, bench_real *io);
+extern void after_problem_hccopy_from(bench_problem *p, bench_real *ri, bench_real *ii);
+extern void after_problem_hccopy_to(bench_problem *p, bench_real *ro, bench_real *io);
+extern void after_problem_rcopy_from(bench_problem *p, bench_real *ri);
+extern void after_problem_rcopy_to(bench_problem *p, bench_real *ro);
+extern void bench_exit(int status);
+extern double bench_cost_postprocess(double cost);
+
+/**************************************************************
+ * malloc
+ **************************************************************/
+extern void *bench_malloc(size_t size);
+extern void bench_free(void *ptr);
+extern void bench_free0(void *ptr);
+
+/**************************************************************
+ * alloca
+ **************************************************************/
+#ifdef HAVE_ALLOCA_H
+#include <alloca.h>
+#endif
+
+/**************************************************************
+ * assert
+ **************************************************************/
+extern void bench_assertion_failed(const char *s, int line, const char *file);
+#define BENCH_ASSERT(ex)						 \
+      (void)((ex) || (bench_assertion_failed(#ex, __LINE__, __FILE__), 0))
+
+#define UNUSED(x) (void)x
+
+/***************************************
+ * Documentation strings
+ ***************************************/
+struct bench_doc {
+     const char *key;
+     const char *val;
+     const char *(*f)(void);
+};
+
+extern struct bench_doc bench_doc[];
+
+#ifdef CC
+#define CC_DOC BENCH_DOC("cc", CC)
+#elif defined(BENCH_CC)
+#define CC_DOC BENCH_DOC("cc", BENCH_CC)
+#else
+#define CC_DOC /* none */
+#endif
+
+#ifdef CXX
+#define CXX_DOC BENCH_DOC("cxx", CXX)
+#elif defined(BENCH_CXX)
+#define CXX_DOC BENCH_DOC("cxx", BENCH_CXX)
+#else
+#define CXX_DOC /* none */
+#endif
+
+#ifdef F77
+#define F77_DOC BENCH_DOC("f77", F77)
+#elif defined(BENCH_F77)
+#define F77_DOC BENCH_DOC("f77", BENCH_F77)
+#else
+#define F77_DOC /* none */
+#endif
+
+#ifdef F90
+#define F90_DOC BENCH_DOC("f90", F90)
+#elif defined(BENCH_F90)
+#define F90_DOC BENCH_DOC("f90", BENCH_F90)
+#else
+#define F90_DOC /* none */
+#endif
+
+#define BEGIN_BENCH_DOC						\
+struct bench_doc bench_doc[] = {				\
+    CC_DOC							\
+    CXX_DOC							\
+    F77_DOC							\
+    F90_DOC
+
+#define BENCH_DOC(key, val) { key, val, 0 },
+#define BENCH_DOCF(key, f) { key, 0, f },
+
+#define END_BENCH_DOC				\
+     {0, 0, 0}};
+
+#ifdef __cplusplus
+}                               /* extern "C" */
+#endif                          /* __cplusplus */
+    
+#endif /* __BENCH_USER_H__ */