From b4195c67b67134ef533721f9de0f4718c23fe810 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Adjemian=20=28Charybdis=29?=
<stepan@adjemian.eu>
Date: Thu, 5 Dec 2019 11:38:37 +0100
Subject: [PATCH] Speed improvement (avoid calls to num2str).
---
src/@dseries/save.m | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/src/@dseries/save.m b/src/@dseries/save.m
index 52c678b..8f4bb0f 100644
--- a/src/@dseries/save.m
+++ b/src/@dseries/save.m
@@ -36,7 +36,7 @@ switch format
fid = fopen([basename, '.m'],'w');
fprintf(fid,'%% File created on %s.\n',datestr(now));
fprintf(fid,'\n');
- fprintf(fid,'FREQ__ = %s;\n',num2str(frequency(o)));
+ fprintf(fid,'FREQ__ = %u;\n', frequency(o));
fprintf(fid,'INIT__ = ''%s'';\n',date2string(firstdate(o)));
fprintf(fid,'\n');
fprintf(fid,'NAMES__ = {');
@@ -74,13 +74,13 @@ switch format
tagnames = fieldnames(o.tags);
fprintf(fid, 'TAGS__ = struct();\n');
for i=1:length(tagnames)
- fprintf(fid, 'TAGS__.%s = cell(%s, 1);\n', tagnames{i}, num2str(vobs(o)));
+ fprintf(fid, 'TAGS__.%s = cell(%u, 1);\n', tagnames{i}, vobs(o));
for j=1:vobs(o)
if ~isempty(o.tags.(tagnames{i}){j})
if ischar(o.tags.(tagnames{i}){j})
- fprintf(fid, 'TAGS__.%s(%s) = {''%s''};\n', tagnames{i}, num2str(j), o.tags.(tagnames{i}){j});
+ fprintf(fid, 'TAGS__.%s(%u) = {''%s''};\n', tagnames{i}, j, o.tags.(tagnames{i}){j});
elseif isnumeric(o.tags.(tagnames{i}){j}) && iscalar(o.tags.(tagnames{i}){j})
- fprintf(fid, 'TAGS__.%s(%s) = {%s};\n', tagnames{i}, num2str(j), o.tags.(tagnames{i}){j});
+ fprintf(fid, 'TAGS__.%s(%u) = {%s};\n', tagnames{i}, j, o.tags.(tagnames{i}){j});
else
error('dseries::tags: Cannot save this type of tag!')
end
@@ -105,7 +105,7 @@ switch format
TAGS__ = o.tags;
str = [];
for v = 1:vobs(o)
- str = sprintf('%s %s = o.data(:,%s);', str, o.name{v}, num2str(v));
+ str = sprintf('%s %s = o.data(:,%u);', str, o.name{v}, v);
end
eval(str);
currentdirectorycontent = dir();
--
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