[svn-r20559] Description:

	Bring r20407:20557 from trunk to revise_chunks branch

Tested on:
        FreeBSD/32 6.3 (duty) in debug mode
        FreeBSD/64 6.3 (liberty) w/C++ & FORTRAN, in debug mode
        Linux/32 2.6 (jam) w/PGI compilers, w/default API=1.8.x,
                w/C++ & FORTRAN, w/threadsafe, in debug mode
        Linux/64-amd64 2.6 (amani) w/Intel compilers, w/default API=1.6.x,
                w/C++ & FORTRAN, in production mode
        Solaris/32 2.10 (linew) w/deprecated symbols disabled, w/C++ & FORTRAN,
                w/szip filter, w/threadsafe, in production mode
        Linux/PPC 2.6 (heiwa) w/C++ & FORTRAN, w/threadsafe, in debug mode
        Linux/64-ia64 2.6 (ember) w/Intel compilers, w/C++ & FORTRAN,
                in production mode
        Linux/64-amd64 2.6 (abe) w/parallel, w/FORTRAN, in debug mode

13 files changed, 88 insertions, 53 deletions

diff --git a/tools/h5diff/Makefile.in b/tools/h5diff/Makefile.in
index 457f6c3..55d7802 100644
--- a/tools/h5diff/Makefile.in
+++ b/tools/h5diff/Makefile.in
@@ -74,9 +74,12 @@ am_h5diff_OBJECTS = h5diff_main.$(OBJEXT) h5diff_common.$(OBJEXT)
 h5diff_OBJECTS = $(am_h5diff_OBJECTS)
 h5diff_LDADD = $(LDADD)
 h5diff_DEPENDENCIES = $(LIBH5TOOLS) $(LIBHDF5)
-h5diff_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
-	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(h5diff_LDFLAGS) \
-	$(LDFLAGS) -o $@
+AM_V_lt = $(am__v_lt_$(V))
+am__v_lt_ = $(am__v_lt_$(AM_DEFAULT_VERBOSITY))
+am__v_lt_0 = --silent
+h5diff_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(h5diff_LDFLAGS) $(LDFLAGS) -o $@
 am_h5diffgentest_OBJECTS = h5diffgentest.$(OBJEXT)
 h5diffgentest_OBJECTS = $(am_h5diffgentest_OBJECTS)
 h5diffgentest_LDADD = $(LDADD)
@@ -91,13 +94,26 @@ am__depfiles_maybe = depfiles
 am__mv = mv -f
 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
-LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
-	--mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
-	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_$(V))
+am__v_CC_ = $(am__v_CC_$(AM_DEFAULT_VERBOSITY))
+am__v_CC_0 = @echo "  CC    " $@;
+AM_V_at = $(am__v_at_$(V))
+am__v_at_ = $(am__v_at_$(AM_DEFAULT_VERBOSITY))
+am__v_at_0 = @
 CCLD = $(CC)
-LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
-	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
-	$(LDFLAGS) -o $@
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_$(V))
+am__v_CCLD_ = $(am__v_CCLD_$(AM_DEFAULT_VERBOSITY))
+am__v_CCLD_0 = @echo "  CCLD  " $@;
+AM_V_GEN = $(am__v_GEN_$(V))
+am__v_GEN_ = $(am__v_GEN_$(AM_DEFAULT_VERBOSITY))
+am__v_GEN_0 = @echo "  GEN   " $@;
 SOURCES = $(h5diff_SOURCES) $(h5diffgentest_SOURCES) \
 	$(ph5diff_SOURCES)
 DIST_SOURCES = $(h5diff_SOURCES) $(h5diffgentest_SOURCES) \
@@ -115,13 +131,16 @@ AMTAR = @AMTAR@
 # but which should not be exported to h5cc for building other programs.
 # AM_CFLAGS is an automake construct which should be used by Makefiles 
 # instead of CFLAGS, as CFLAGS is reserved solely for the user to define.
+# This applies to FCFLAGS, CXXFLAGS, CPPFLAGS, and LDFLAGS as well.
 AM_CFLAGS = @AM_CFLAGS@ @H5_CFLAGS@
 AM_CPPFLAGS = @AM_CPPFLAGS@ @H5_CPPFLAGS@
 AM_CXXFLAGS = @AM_CXXFLAGS@ @H5_CXXFLAGS@
+AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
 AM_FCFLAGS = @AM_FCFLAGS@ @H5_FCFLAGS@
-AM_LDFLAGS = @AM_LDFLAGS@
+AM_LDFLAGS = @AM_LDFLAGS@ @H5_LDFLAGS@
 AM_MAKEFLAGS = @AM_MAKEFLAGS@
 AR = @AR@
+AS = @AS@
 
 # Set the paths for AFS installs of autotools for Linux machines
 # Ideally, these tools should never be needed during the build.
@@ -181,7 +200,10 @@ GREP = @GREP@
 H5_CFLAGS = @H5_CFLAGS@
 H5_CPPFLAGS = @H5_CPPFLAGS@
 H5_CXXFLAGS = @H5_CXXFLAGS@
+H5_CXX_SHARED = @H5_CXX_SHARED@
 H5_FCFLAGS = @H5_FCFLAGS@
+H5_FORTRAN_SHARED = @H5_FORTRAN_SHARED@
+H5_LDFLAGS = @H5_LDFLAGS@
 H5_LONE_COLON = @H5_LONE_COLON@
 H5_VERSION = @H5_VERSION@
 HADDR_T = @HADDR_T@
@@ -513,13 +535,13 @@ clean-checkPROGRAMS:
 	rm -f $$list
 h5diff$(EXEEXT): $(h5diff_OBJECTS) $(h5diff_DEPENDENCIES) 
 	@rm -f h5diff$(EXEEXT)
-	$(h5diff_LINK) $(h5diff_OBJECTS) $(h5diff_LDADD) $(LIBS)
+	$(AM_V_CCLD)$(h5diff_LINK) $(h5diff_OBJECTS) $(h5diff_LDADD) $(LIBS)
 h5diffgentest$(EXEEXT): $(h5diffgentest_OBJECTS) $(h5diffgentest_DEPENDENCIES) 
 	@rm -f h5diffgentest$(EXEEXT)
-	$(LINK) $(h5diffgentest_OBJECTS) $(h5diffgentest_LDADD) $(LIBS)
+	$(AM_V_CCLD)$(LINK) $(h5diffgentest_OBJECTS) $(h5diffgentest_LDADD) $(LIBS)
 ph5diff$(EXEEXT): $(ph5diff_OBJECTS) $(ph5diff_DEPENDENCIES) 
 	@rm -f ph5diff$(EXEEXT)
-	$(LINK) $(ph5diff_OBJECTS) $(ph5diff_LDADD) $(LIBS)
+	$(AM_V_CCLD)$(LINK) $(ph5diff_OBJECTS) $(ph5diff_LDADD) $(LIBS)
 
 mostlyclean-compile:
 	-rm -f *.$(OBJEXT)
@@ -533,22 +555,25 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ph5diff_main.Po@am__quote@
 
 .c.o:
-@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@am__fastdepCC_FALSE@	$(AM_V_CC) @AM_BACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(COMPILE) -c $<
 
 .c.obj:
-@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@am__fastdepCC_FALSE@	$(AM_V_CC) @AM_BACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(COMPILE) -c `$(CYGPATH_W) '$<'`
 
 .c.lo:
-@am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@am__fastdepCC_FALSE@	$(AM_V_CC) @AM_BACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
diff --git a/tools/h5diff/h5diff_common.c b/tools/h5diff/h5diff_common.c
index e0af7f6..fd679d3 100644
--- a/tools/h5diff/h5diff_common.c
+++ b/tools/h5diff/h5diff_common.c
@@ -487,9 +487,10 @@ void usage(void)
  printf("                           number.\n");
  printf("   --use-system-epsilon    Print difference if (|a-b| > EPSILON), EPSILON is\n");
  printf("                           a system epsilon value.\n");
- printf("                           The system epsilon values are defined as below:\n");
- printf("                               FLT_EPSILON = 1.19209E-07 for float\n");
- printf("                               DBL_EPSILON = 2.22045E-16 for double\n");
+ printf("                           If the system epsilon is not defined, the below\n");
+ printf("                           one of the following predefined values will be used:\n");
+ printf("                             FLT_EPSILON = 1.19209E-07 for floating-point type\n");
+ printf("                             DBL_EPSILON = 2.22045E-16 for double percision type\n");
  printf("   --exclude-path \"path\"   Exclude the specified path to an object when\n");
  printf("                           comparing files or groups. If a group is excluded,\n");
  printf("                           all member objects will also be excluded.\n");
diff --git a/tools/h5diff/h5diff_main.c b/tools/h5diff/h5diff_main.c
index 297eb48..c1538a4 100644
--- a/tools/h5diff/h5diff_main.c
+++ b/tools/h5diff/h5diff_main.c
@@ -15,7 +15,6 @@
 
 #include <stdlib.h>
 #include <assert.h>
-#include <memory.h>
 #include "h5diff.h"
 #include "h5diff_common.h"
 #include "h5tools_utils.h"
diff --git a/tools/h5diff/testfiles/h5diff_10.txt b/tools/h5diff/testfiles/h5diff_10.txt
index 8d6fc82..fd13a5c 100644
--- a/tools/h5diff/testfiles/h5diff_10.txt
+++ b/tools/h5diff/testfiles/h5diff_10.txt
@@ -62,9 +62,10 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
                            number.
    --use-system-epsilon    Print difference if (|a-b| > EPSILON), EPSILON is
                            a system epsilon value.
-                           The system epsilon values are defined as below:
-                               FLT_EPSILON = 1.19209E-07 for float
-                               DBL_EPSILON = 2.22045E-16 for double
+                           If the system epsilon is not defined, the below
+                           one of the following predefined values will be used:
+                             FLT_EPSILON = 1.19209E-07 for floating-point type
+                             DBL_EPSILON = 2.22045E-16 for double percision type
    --exclude-path "path"   Exclude the specified path to an object when
                            comparing files or groups. If a group is excluded,
                            all member objects will also be excluded.
diff --git a/tools/h5diff/testfiles/h5diff_600.txt b/tools/h5diff/testfiles/h5diff_600.txt
index e6e4607..ecf73d8 100644
--- a/tools/h5diff/testfiles/h5diff_600.txt
+++ b/tools/h5diff/testfiles/h5diff_600.txt
@@ -62,9 +62,10 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
                            number.
    --use-system-epsilon    Print difference if (|a-b| > EPSILON), EPSILON is
                            a system epsilon value.
-                           The system epsilon values are defined as below:
-                               FLT_EPSILON = 1.19209E-07 for float
-                               DBL_EPSILON = 2.22045E-16 for double
+                           If the system epsilon is not defined, the below
+                           one of the following predefined values will be used:
+                             FLT_EPSILON = 1.19209E-07 for floating-point type
+                             DBL_EPSILON = 2.22045E-16 for double percision type
    --exclude-path "path"   Exclude the specified path to an object when
                            comparing files or groups. If a group is excluded,
                            all member objects will also be excluded.
diff --git a/tools/h5diff/testfiles/h5diff_603.txt b/tools/h5diff/testfiles/h5diff_603.txt
index 7b917d4..776c468 100644
--- a/tools/h5diff/testfiles/h5diff_603.txt
+++ b/tools/h5diff/testfiles/h5diff_603.txt
@@ -63,9 +63,10 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
                            number.
    --use-system-epsilon    Print difference if (|a-b| > EPSILON), EPSILON is
                            a system epsilon value.
-                           The system epsilon values are defined as below:
-                               FLT_EPSILON = 1.19209E-07 for float
-                               DBL_EPSILON = 2.22045E-16 for double
+                           If the system epsilon is not defined, the below
+                           one of the following predefined values will be used:
+                             FLT_EPSILON = 1.19209E-07 for floating-point type
+                             DBL_EPSILON = 2.22045E-16 for double percision type
    --exclude-path "path"   Exclude the specified path to an object when
                            comparing files or groups. If a group is excluded,
                            all member objects will also be excluded.
diff --git a/tools/h5diff/testfiles/h5diff_606.txt b/tools/h5diff/testfiles/h5diff_606.txt
index 110986a..762698d 100644
--- a/tools/h5diff/testfiles/h5diff_606.txt
+++ b/tools/h5diff/testfiles/h5diff_606.txt
@@ -63,9 +63,10 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
                            number.
    --use-system-epsilon    Print difference if (|a-b| > EPSILON), EPSILON is
                            a system epsilon value.
-                           The system epsilon values are defined as below:
-                               FLT_EPSILON = 1.19209E-07 for float
-                               DBL_EPSILON = 2.22045E-16 for double
+                           If the system epsilon is not defined, the below
+                           one of the following predefined values will be used:
+                             FLT_EPSILON = 1.19209E-07 for floating-point type
+                             DBL_EPSILON = 2.22045E-16 for double percision type
    --exclude-path "path"   Exclude the specified path to an object when
                            comparing files or groups. If a group is excluded,
                            all member objects will also be excluded.
diff --git a/tools/h5diff/testfiles/h5diff_612.txt b/tools/h5diff/testfiles/h5diff_612.txt
index 782f5b4..c5b3464 100644
--- a/tools/h5diff/testfiles/h5diff_612.txt
+++ b/tools/h5diff/testfiles/h5diff_612.txt
@@ -63,9 +63,10 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
                            number.
    --use-system-epsilon    Print difference if (|a-b| > EPSILON), EPSILON is
                            a system epsilon value.
-                           The system epsilon values are defined as below:
-                               FLT_EPSILON = 1.19209E-07 for float
-                               DBL_EPSILON = 2.22045E-16 for double
+                           If the system epsilon is not defined, the below
+                           one of the following predefined values will be used:
+                             FLT_EPSILON = 1.19209E-07 for floating-point type
+                             DBL_EPSILON = 2.22045E-16 for double percision type
    --exclude-path "path"   Exclude the specified path to an object when
                            comparing files or groups. If a group is excluded,
                            all member objects will also be excluded.
diff --git a/tools/h5diff/testfiles/h5diff_615.txt b/tools/h5diff/testfiles/h5diff_615.txt
index f816510..58d5c70 100644
--- a/tools/h5diff/testfiles/h5diff_615.txt
+++ b/tools/h5diff/testfiles/h5diff_615.txt
@@ -63,9 +63,10 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
                            number.
    --use-system-epsilon    Print difference if (|a-b| > EPSILON), EPSILON is
                            a system epsilon value.
-                           The system epsilon values are defined as below:
-                               FLT_EPSILON = 1.19209E-07 for float
-                               DBL_EPSILON = 2.22045E-16 for double
+                           If the system epsilon is not defined, the below
+                           one of the following predefined values will be used:
+                             FLT_EPSILON = 1.19209E-07 for floating-point type
+                             DBL_EPSILON = 2.22045E-16 for double percision type
    --exclude-path "path"   Exclude the specified path to an object when
                            comparing files or groups. If a group is excluded,
                            all member objects will also be excluded.
diff --git a/tools/h5diff/testfiles/h5diff_621.txt b/tools/h5diff/testfiles/h5diff_621.txt
index 8dc8824..1c8f745 100644
--- a/tools/h5diff/testfiles/h5diff_621.txt
+++ b/tools/h5diff/testfiles/h5diff_621.txt
@@ -63,9 +63,10 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
                            number.
    --use-system-epsilon    Print difference if (|a-b| > EPSILON), EPSILON is
                            a system epsilon value.
-                           The system epsilon values are defined as below:
-                               FLT_EPSILON = 1.19209E-07 for float
-                               DBL_EPSILON = 2.22045E-16 for double
+                           If the system epsilon is not defined, the below
+                           one of the following predefined values will be used:
+                             FLT_EPSILON = 1.19209E-07 for floating-point type
+                             DBL_EPSILON = 2.22045E-16 for double percision type
    --exclude-path "path"   Exclude the specified path to an object when
                            comparing files or groups. If a group is excluded,
                            all member objects will also be excluded.
diff --git a/tools/h5diff/testfiles/h5diff_622.txt b/tools/h5diff/testfiles/h5diff_622.txt
index f2f2089..22f216f 100644
--- a/tools/h5diff/testfiles/h5diff_622.txt
+++ b/tools/h5diff/testfiles/h5diff_622.txt
@@ -63,9 +63,10 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
                            number.
    --use-system-epsilon    Print difference if (|a-b| > EPSILON), EPSILON is
                            a system epsilon value.
-                           The system epsilon values are defined as below:
-                               FLT_EPSILON = 1.19209E-07 for float
-                               DBL_EPSILON = 2.22045E-16 for double
+                           If the system epsilon is not defined, the below
+                           one of the following predefined values will be used:
+                             FLT_EPSILON = 1.19209E-07 for floating-point type
+                             DBL_EPSILON = 2.22045E-16 for double percision type
    --exclude-path "path"   Exclude the specified path to an object when
                            comparing files or groups. If a group is excluded,
                            all member objects will also be excluded.
diff --git a/tools/h5diff/testfiles/h5diff_623.txt b/tools/h5diff/testfiles/h5diff_623.txt
index 840b127..5dce69c 100644
--- a/tools/h5diff/testfiles/h5diff_623.txt
+++ b/tools/h5diff/testfiles/h5diff_623.txt
@@ -63,9 +63,10 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
                            number.
    --use-system-epsilon    Print difference if (|a-b| > EPSILON), EPSILON is
                            a system epsilon value.
-                           The system epsilon values are defined as below:
-                               FLT_EPSILON = 1.19209E-07 for float
-                               DBL_EPSILON = 2.22045E-16 for double
+                           If the system epsilon is not defined, the below
+                           one of the following predefined values will be used:
+                             FLT_EPSILON = 1.19209E-07 for floating-point type
+                             DBL_EPSILON = 2.22045E-16 for double percision type
    --exclude-path "path"   Exclude the specified path to an object when
                            comparing files or groups. If a group is excluded,
                            all member objects will also be excluded.
diff --git a/tools/h5diff/testfiles/h5diff_624.txt b/tools/h5diff/testfiles/h5diff_624.txt
index 1d433a7..863e422 100644
--- a/tools/h5diff/testfiles/h5diff_624.txt
+++ b/tools/h5diff/testfiles/h5diff_624.txt
@@ -63,9 +63,10 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]
                            number.
    --use-system-epsilon    Print difference if (|a-b| > EPSILON), EPSILON is
                            a system epsilon value.
-                           The system epsilon values are defined as below:
-                               FLT_EPSILON = 1.19209E-07 for float
-                               DBL_EPSILON = 2.22045E-16 for double
+                           If the system epsilon is not defined, the below
+                           one of the following predefined values will be used:
+                             FLT_EPSILON = 1.19209E-07 for floating-point type
+                             DBL_EPSILON = 2.22045E-16 for double percision type
    --exclude-path "path"   Exclude the specified path to an object when
                            comparing files or groups. If a group is excluded,
                            all member objects will also be excluded.