Workaround for Octave 4.0.

With Octave `which('dates')` returns nothing (Octave claims that `dates`
is a built in function).

src/@dates/private/comparison_arg_checks.m

@@ -49,8 +49,8 @@ p = varargin{2};
 
 %@test:1
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ try
 %$     [o, p] = comparison_arg_checks(1);
@@ -65,8 +65,8 @@ p = varargin{2};
 
 %@test:2
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ try
 %$     [o, p] = comparison_arg_checks('make', 'my', 'day');
@@ -81,8 +81,8 @@ p = varargin{2};
 
 %@test:3
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ try
 %$     [o, p] = comparison_arg_checks('punk', dates('1950Q1'));
@@ -97,8 +97,8 @@ p = varargin{2};
 
 %@test:4
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ try
 %$     [o, p] = comparison_arg_checks(dates('1950Q1'), 1);
@@ -113,8 +113,8 @@ p = varargin{2};
 
 %@test:5
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ try
 %$     [o, p] = comparison_arg_checks(dates('1950Q1'), dates('1950M1'));
@@ -129,8 +129,8 @@ p = varargin{2};
 
 %@test:6
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ try
 %$     [o, p] = comparison_arg_checks(dates('1950Q1'):dates('1950Q2'), dates('1950Q1'):dates('1950Q3'));
@@ -145,8 +145,8 @@ p = varargin{2};
 
 %@test:7
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ try
 %$     [o, p] = comparison_arg_checks(dates('1950Q2'), dates('1950Q1'));

src/@dates/private/dates4display.m

@@ -49,8 +49,8 @@ str = sprintf('%s%s>\n', str, date2string(o.time(o.length(),:),o.freq));
 
 %@test:1
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$ addpath('../../../data/')
 %$
 %$ try
@@ -77,8 +77,8 @@ str = sprintf('%s%s>\n', str, date2string(o.time(o.length(),:),o.freq));
 
 %@test:2
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$ addpath('../../../data/')
 %$
 %$ try
@@ -105,8 +105,8 @@ str = sprintf('%s%s>\n', str, date2string(o.time(o.length(),:),o.freq));
 
 %@test:3
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$ addpath('../../../data/')
 %$
 %$ try
@@ -133,8 +133,8 @@ str = sprintf('%s%s>\n', str, date2string(o.time(o.length(),:),o.freq));
 
 %@test:4
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$ addpath('../../../data/')
 %$
 %$ try

src/@dates/private/greaterorequal.m

@@ -31,8 +31,8 @@ end
 
 %@test:1
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [2, 4];
 %$ b = [1, 2];
@@ -54,8 +54,8 @@ end
 
 %@test:2
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 4];
 %$ b = [2, 2];
@@ -77,8 +77,8 @@ end
 
 %@test:3
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 4];
 %$ b = [1, 2];
@@ -100,8 +100,8 @@ end
 
 %@test:4
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 2];
 %$ b = [1, 4];
@@ -123,8 +123,8 @@ end
 
 %@test:5
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 2];
 %$ b = [1, 2];

src/@dates/private/greaterthan.m

@@ -31,8 +31,8 @@ end
 
 %@test:1
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [2, 4];
 %$ b = [1, 2];
@@ -54,8 +54,8 @@ end
 
 %@test:2
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 4];
 %$ b = [2, 2];
@@ -77,8 +77,8 @@ end
 
 %@test:3
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 4];
 %$ b = [1, 2];
@@ -100,8 +100,8 @@ end
 
 %@test:4
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 2];
 %$ b = [1, 4];
@@ -123,8 +123,8 @@ end
 
 %@test:5
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 2];
 %$ b = [1, 2];

src/@dates/private/lessorequal.m

@@ -31,8 +31,8 @@ end
 
 %@test:1
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [2, 4];
 %$ b = [1, 2];
@@ -54,8 +54,8 @@ end
 
 %@test:2
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 4];
 %$ b = [2, 2];
@@ -77,8 +77,8 @@ end
 
 %@test:3
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 4];
 %$ b = [1, 2];
@@ -100,8 +100,8 @@ end
 
 %@test:4
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 2];
 %$ b = [1, 4];
@@ -123,8 +123,8 @@ end
 
 %@test:5
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 2];
 %$ b = [1, 2];

src/@dates/private/lessthan.m

@@ -31,8 +31,8 @@ end
 
 %@test:1
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [2, 4];
 %$ b = [1, 2];
@@ -54,8 +54,8 @@ end
 
 %@test:2
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 4];
 %$ b = [2, 2];
@@ -77,8 +77,8 @@ end
 
 %@test:3
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 4];
 %$ b = [1, 2];
@@ -100,8 +100,8 @@ end
 
 %@test:4
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 2];
 %$ b = [1, 4];
@@ -123,8 +123,8 @@ end
 
 %@test:5
 %$ OPATH = pwd();
-%$ [DATES_PATH, junk1, junk2] = fileparts(which('dates'));
-%$ cd([DATES_PATH '/private']);
+%$ [DATES_PATH, junk1, junk2] = fileparts(which('initialize_dates_toolbox'));
+%$ cd([DATES_PATH '/@dates/private']);
 %$
 %$ a = [1, 2];
 %$ b = [1, 2];