added logging facility for functions of type c_c (one output, one input)

   and c_cc (one output, two inputs)
Usage:
./configure --enable-logging; make install
include mpc-log.h instead of mpc-h


git-svn-id: svn://scm.gforge.inria.fr/svn/mpc/trunk@873 211d60ee-9f03-0410-a15a-8952a2c7a4e4

1 files changed, 104 insertions, 0 deletions

diff --git a/src/logging.c b/src/logging.c
new file mode 100644
index 0000000..fb91290
--- /dev/null
+++ b/src/logging.c
@@ -0,0 +1,104 @@
+/* logging.c -- "Dummy" functions logging calls to real mpc functions.
+
+Copyright (C) 2011 Andreas Enge
+
+This file is part of the MPC Library.
+
+The MPC Library is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or (at your
+option) any later version.
+
+The MPC Library 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 Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the MPC Library; see the file COPYING.LIB.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
+
+#include "config.h"
+#include <stdio.h>
+
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
+#include "mpc-log.h"
+#include "mpc-impl.h"
+
+#include <dlfcn.h>
+
+typedef int (*c_cc_func_ptr) (mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t);
+typedef int (*c_c_func_ptr) (mpc_ptr, mpc_srcptr, mpc_rnd_t);
+
+#define MPC_LOGGING_OUT_PREC(z) \
+   do { \
+      fprintf (stderr, " %li %li", (long) mpfr_get_prec (mpc_realref (z)),  \
+                                (long) mpfr_get_prec (mpc_imagref (z))); \
+   } while (0);
+
+#define MPC_LOGGING_OUT_C(z) \
+   do { \
+      MPC_LOGGING_OUT_PREC (z); \
+      fprintf (stderr, " "); \
+      mpc_out_str (stderr, 16, 0, z, MPC_RNDNN); \
+   } while (0);
+
+#define MPC_LOGGING_C_CC(funcname) \
+__MPC_DECLSPEC int mpc_log_##funcname (mpc_ptr rop, mpc_srcptr op1, mpc_srcptr op2, mpc_rnd_t rnd) \
+{ \
+   static c_cc_func_ptr func = NULL; \
+   if (func == NULL) \
+      func = (c_cc_func_ptr) (intptr_t) dlsym (NULL, "mpc_"#funcname); \
+   fprintf (stderr, #funcname" c_cc"); \
+   MPC_LOGGING_OUT_PREC (rop); \
+   MPC_LOGGING_OUT_C (op1); \
+   MPC_LOGGING_OUT_C (op2); \
+   fprintf (stderr, "\n"); \
+   return func (rop, op1, op2, rnd); \
+}
+
+#define MPC_LOGGING_C_C(funcname) \
+__MPC_DECLSPEC int mpc_log_##funcname (mpc_ptr rop, mpc_srcptr op, mpc_rnd_t rnd) \
+{ \
+   static c_c_func_ptr func = NULL; \
+   if (func == NULL) \
+      func = (c_c_func_ptr) (intptr_t) dlsym (NULL, "mpc_"#funcname); \
+   fprintf (stderr, #funcname" c_c"); \
+   MPC_LOGGING_OUT_PREC (rop); \
+   MPC_LOGGING_OUT_C (op); \
+   fprintf (stderr, "\n"); \
+   return func (rop, op, rnd); \
+}
+
+MPC_LOGGING_C_CC (add)
+MPC_LOGGING_C_CC (sub)
+MPC_LOGGING_C_CC (mul)
+MPC_LOGGING_C_CC (div)
+MPC_LOGGING_C_CC (pow)
+
+MPC_LOGGING_C_C (sqr)
+MPC_LOGGING_C_C (conj)
+MPC_LOGGING_C_C (neg)
+MPC_LOGGING_C_C (sqrt)
+MPC_LOGGING_C_C (proj)
+MPC_LOGGING_C_C (exp)
+MPC_LOGGING_C_C (log)
+MPC_LOGGING_C_C (sin)
+MPC_LOGGING_C_C (cos)
+MPC_LOGGING_C_C (tan)
+MPC_LOGGING_C_C (sinh)
+MPC_LOGGING_C_C (cosh)
+MPC_LOGGING_C_C (tanh)
+MPC_LOGGING_C_C (asin)
+MPC_LOGGING_C_C (acos)
+MPC_LOGGING_C_C (atan)
+MPC_LOGGING_C_C (asinh)
+MPC_LOGGING_C_C (acosh)
+MPC_LOGGING_C_C (atanh)