[style] use parens in if/while/switch predicates, space after "!", "!…

…=" instead of "~="

inst/+tblish/+examples/+internal/+datasets/EuStockMarkets_1.m

@@ -11,7 +11,7 @@
 
 price0 = price(1,:);
 
-rel_price = price ./ repmat (price0, [size(price,1) 1]);
+rel_price = price ./ repmat (price0, [size(price, 1) 1]);
 
 figure;
 plot (day, rel_price);

inst/+tblish/+examples/+internal/+datasets/airquality_1.m

@@ -5,10 +5,10 @@
 figure;
 for i = 1:n_vars
   for j = 1:n_vars
-    if i == j
+    if (i == j)
       continue
     endif
-    ix_subplot = (n_vars*(j - 1) + i);
+    ix_subplot = (n_vars * (j - 1) + i);
     hax = subplot (n_vars, n_vars, ix_subplot);
     var_x = vars{i};
     var_y = vars{j};

inst/+tblish/+examples/+internal/+datasets/anscombe_1.m

@@ -23,5 +23,5 @@
 
 # Fiddle with the plot axes parameters
 linkaxes (haxs);
-xlim(haxs(1), x_limits);
-ylim(haxs(1), y_limits);
+xlim (haxs(1), x_limits);
+ylim (haxs(1), y_limits);

inst/+tblish/+examples/+internal/+datasets/cars_1.m

@@ -6,20 +6,20 @@
 
 figure;
 plot (t.speed, t.dist, "o");
-xlabel ("Speed (mph)"); ylabel("Stopping distance (ft)");
+xlabel ("Speed (mph)"); ylabel ("Stopping distance (ft)");
 title ("cars data");
 
 figure;
 loglog (t.speed, t.dist, "o");
-xlabel ("Speed (mph)"); ylabel("Stopping distance (ft)");
+xlabel ("Speed (mph)"); ylabel ("Stopping distance (ft)");
 title ("cars data (logarithmic scales)");
 
 # TODO: Do the linear model plot
 
 # Polynomial regression
 figure;
 plot (t.speed, t.dist, "o");
-xlabel ("Speed (mph)"); ylabel("Stopping distance (ft)");
+xlabel ("Speed (mph)"); ylabel ("Stopping distance (ft)");
 title ("cars polynomial regressions");
 hold on
 xlim ([0 25]);

inst/+tblish/+examples/+internal/+datasets/cupcake_1.m

@@ -1,3 +1,3 @@
 t = tblish.dataset.cupcake
-plot(datenum(t.Month), t.Cupcake)
-title ('“Cupcake” Google Searches'); xlabel ("Year"); ylabel ("Unknown popularity metric")
+plot (datenum (t.Month), t.Cupcake)
+title ('“Cupcake” Google Searches'); xlabel ("Year"); ylabel ("Unknown popularity metric");

inst/+tblish/+examples/+internal/+datasets/freeny_1.m

@@ -1,6 +1,6 @@
 t = tblish.dataset.freeny;
 
-summary(t)
+summary (t)
 
 tblish.examples.plot_pairs (removevars (t, "date"))
 

inst/+tblish/+examples/SpDb.m

@@ -53,7 +53,7 @@
     'S4'  'P4'  300
     'S4'  'P5'  400
   }, 'VariableNames', {'SNum', 'PNum', 'Qty'});
-  if nargout == 1
+  if (nargout == 1)
     varargout = { struct('S', S, 'P', P, 'SP', SP) };
   else
     varargout = { S, P, SP };

inst/+tblish/+examples/coplot.m

@@ -58,7 +58,7 @@
 ##
 ## @end deftypefn
 
-function [fig, hax] = coplot(varargin)
+function [fig, hax] = coplot (varargin)
   narginchk (4, Inf);
   defaults = {
     "PlotFcn"   "plot"
@@ -70,10 +70,10 @@
       "PlotArgs"  {}
     });
   mustBeA (opts.PlotFcn, "function_handle", "opts.PlotFcn");
-  if ! iscell (opts.PlotArgs)
+  if (! iscell (opts.PlotArgs))
     opts.PlotArgs = { opts.PlotArgs };
   endif
-  if isnumeric (args{1})
+  if (isnumeric (args{1}))
     fig = args{1};
     mustBeScalar (fig);
     figure (fig);
@@ -87,12 +87,12 @@
   [X, x_name] = getvar (tbl, xvar);
   [Y, y_name] = getvar (tbl, yvar);
   [g_ix, g_names] = resolveVarRef (tbl, gvar);
-  if isscalar (g_ix)
+  if (isscalar (g_ix))
     hax = coplot_one (fig, tbl, X, x_name, Y, y_name, g_ix, g_names, opts);
   else
     hax = coplot_two (fig, tbl, X, x_name, Y, y_name, g_ix, g_names, opts);
   endif
-  if nargout < 1
+  if (nargout < 1)
     clear fig
   endif
 endfunction
@@ -116,10 +116,10 @@
     ix_row = ceil (i / n_cols);
     ix_col = 1 + rem (i, n_rows);
     ax = subplot (n_rows, n_cols, i);
-    if ix_col != 1
+    if (ix_col != 1)
       set(ax, 'yticklabel', {});
     endif
-    if ix_row != n_rows
+    if (ix_row != n_rows)
       set(ax, 'xticklabel', {});
     endif
     set(ax, 'position', get(ax, 'outerposition'));

inst/+tblish/+examples/peel_off_name_value_options.m

@@ -63,11 +63,11 @@
 
   #
 
-  if nargin < 3 || isempty (defaults); defaults = struct; endif
+  if (nargin < 3 || isempty (defaults)); defaults = struct; endif
   defaults = parse_defaults (defaults);
   opts = defaults;
   peeled_args = {};
-  while numel (args) >= 2 && ischar (args{end-1}) && ismember (args{end-1}, known_opts)
+  while (numel (args) >= 2 && ischar (args{end-1}) && ismember (args{end-1}, known_opts))
     peeled_args = [peeled_args args(end-1:end)];
     opts.(args{end-1}) = args{end};
     args(end-1:end) = [];
@@ -76,12 +76,12 @@
 endfunction
 
 function out = parse_defaults (defaults)
-  if isstruct (defaults)
+  if (isstruct (defaults))
     out = struct;
     return
   endif
-  if iscell (defaults)
-    if size (defaults, 2) == 2
+  if (iscell (defaults))
+    if (size (defaults, 2) == 2)
       # Convert cellrec to name/value list
       defaults = defaults';
       defaults = defaults(:)';

inst/+tblish/+examples/plot_pairs.m

@@ -45,33 +45,33 @@
 function out = plot_pairs (varargin)
   args = varargin;
   fig = [];
-  if isnumeric (args{1})
+  if (isnumeric (args{1}))
     fig = args{1};
     args(1) = [];
   endif
   data = args{1};
-  if numel (args) > 1
+  if (numel (args) > 1)
     plot_type = args{2};
   else
     plot_type = 'scatter';
   endif
 
-  if isstruct (data)
+  if (isstruct (data))
     data = struct2table (data);
   endif
-  if ! istable (data)
+  if (! istable (data))
     error ('plot_pairs: input data must be a table or struct');
   endif
   t = data;
 
-  if isempty (fig)
+  if (isempty (fig))
     fig = figure;
   endif
   vars = t.Properties.VariableNames;
   n_vars = numel (vars);
   for i = 1:n_vars
     for j = 1:n_vars
-      if i == j
+      if (i == j)
         # TODO: Figure out how to put the variable name in big text in this axes
         continue
       endif
@@ -81,7 +81,7 @@
       var_y = vars{j};
       x = t.(var_x);
       y = t.(var_y);
-      switch plot_type
+      switch (plot_type)
         case "scatter"
           scatter (hax, x, y, 10);
         case "smooth"
@@ -92,7 +92,7 @@
     endfor
   endfor
 
-  if nargout > 0
+  if (nargout > 0)
     out = fig;
   endif
 endfunction
@@ -103,7 +103,7 @@ function smooth (hax, x, y, marker_sz)
   # port that. For now, just use a cubic.
   hold on
   p = polyfit (x, y, 3);
-  x_hat = unique(x);
+  x_hat = unique (x);
   p_y = polyval (p, x_hat);
   plot (hax, x_hat, p_y, "r");
   hold off

inst/+tblish/+examples/private/peelOffNameValueOptions.m

@@ -19,7 +19,7 @@
   # Peels off recognized name-value options from the end of an argument array.
   opts = struct;
   peeledArgs = {};
-  while numel (args) >= 2 && ischar (args{end-1}) && ismember (args{end-1}, knownOpts)
+  while (numel (args) >= 2 && ischar (args{end-1}) && ismember (args{end-1}, knownOpts))
     peeledArgs = [peeledArgs args(end-1:end)];
     opts.(args{end-1}) = args{end};
     args(end-1:end) = [];

inst/+tblish/+examples/run_all_example_scripts.m

@@ -1,4 +1,4 @@
-function run_all_example_scripts
+function run_all_example_scripts ()
   # Runs all example scripts in the inst/examples directory.
   #
   # This function is meant for use in BIST tests. It just ensures that all

inst/+tblish/+internal/+chrono/+algo/binsearch.m

@@ -21,10 +21,10 @@
   # inserted; that is, the index of the first element larger than it, or one past
   # the end of the array if it is larger than all the elements in the haystack.
 
-  if !isvector (haystack) && !isempty (haystack)
+  if (! isvector (haystack) && !isempty (haystack))
     error ('haystack must be a vector or empty');
   endif
-  if !isequal (class (needles), class (haystack))
+  if (! isequal (class (needles), class (haystack)))
     error ('needles and haystack must be same type; got %s and %s', ...
       class (needles), class (haystack));
   endif
@@ -34,8 +34,8 @@
     'uint8' 'uint16' 'uint32' 'uint64'};
   is_numeric = ismember (class (needles), numeric_types);
 
-  if is_numeric
-    if iscomplex (needles) || iscomplex (haystack)
+  if (is_numeric)
+    if (iscomplex (needles) || iscomplex (haystack))
       error ('Complex values are not supported');
     endif
     loc = double (__tblish_time_binsearch__ (needles, haystack));
@@ -53,21 +53,21 @@
     low = 1;
     high = numel (arr);
     found = false;
-    while low <= high
+    while (low <= high)
       mid = floor ((low + high) / 2);
-      if arr(mid) > val
+      if (arr(mid) > val)
         high = mid - 1;
-      elseif arr(mid) < val
+      elseif (arr(mid) < val)
         low = mid + 1;
-      elseif arr(mid) == val
+      elseif (arr(mid) == val)
           found = true;
           out(i) = mid;
           break;
       else
         error('Total ordering violation: neither <, >, nor == was true for this value.');
       endif
     endwhile
-    if !found
+    if (! found)
       out(i) = -1 * low;
     endif
   endfor

inst/+tblish/+internal/+chrono/+tzinfo/PosixZoneRule.m

@@ -11,35 +11,38 @@
   endproperties
 
   methods (Static)
+
     function out = parseZoneRule (str)
       out = tblish.internal.chrono.algo.PosixZoneRule;
-      if !isrow (in)
+      if (! isrow (in))
         error ('in must be charvec; got non-row char');
       endif
       els = strsplit (in, ',');
-      if numel (els ~= 3)
+      if (numel (els != 3))
         error ('Invalid POSIX time zone rule specification: ''%s''', in);
       endif
       out.local_timezone = els{1};
       out.dst_start_rule = els{2};
       out.dst_end_rule = els{3};
       tok = regexp (out.local_timezone, '^([A-Za-z]+)(\d+)([A-Za-z]+)$', 'tokens');
       tok = tok{1};
-      if numel (tok) ~= 3
+      if (numel (tok) != 3)
         error ('Failed parsing POSIX zone name: ''%s''', out.local_timezone);
       endif
       out.std_name = tok{1};
       out.gmt_offset_hours = str2double(tok{2});
       out.dst_name = tok{3};
     endfunction
+
   endmethods
 
   methods
+
     function this = PosixZoneRule(in)
-      if nargin == 0
+      if (nargin == 0)
         return
       endif
-      if ischar (in)
+      if (ischar (in))
         this = tblish.internal.chrono.tzinfo.PosixZoneRule.parseZoneRule(in);
       endif
     endfunction
@@ -51,5 +54,7 @@
     function out = localToGmtDatenum (this, dnums, isDst)
       error ('Unimplemented');
     endfunction
+
   endmethods
+
 endclassdef