Aggiunta funzione Solipa::round.

diff --git a/src/utils.c b/src/utils.c
index 6d27d44912db097003f06d15283c49084067d02d..cdfb92eaf1f0ebff426e6e2d8ddbd68539d10b8c 100644 (file)
--- a/src/utils.c
+++ b/src/utils.c
@@ -21,6 +21,7 @@
 #endif
 
 #include <errno.h>
+#include <math.h>
 
 #include <gio/gio.h>
 #include <gtk/gtk.h>
@@ -567,6 +568,23 @@ GDate
                               (GDateYear)tt_tm->tm_year + 1900);
 }
 
+gdouble
+solipa_round (gdouble value, guint n_decimals)
+{
+       gfloat elev;
+       gint i;
+       gfloat ret;
+
+       elev = pow (10.0, (gfloat)n_decimals);
+
+       ret = (value * elev) + 0.5;
+       i = (gint)ret;
+
+       ret = (gfloat)i / elev;
+
+       return ret;
+}
+
 /**
  * This function is copied from
  * http://bugzilla.gnome.org/show_bug.cgi?id=524831.

diff --git a/src/utils.h b/src/utils.h
index 6080ae055c22b988ea83f71b0449ec31e7e552fc..3062590e08886a8e77941e5a8c785b40285bde0a 100644 (file)
--- a/src/utils.h
+++ b/src/utils.h
@@ -49,6 +49,8 @@ gchar *solipa_format_money (gdouble number, gint decimals, gboolean with_currenc
 struct tm *solipa_get_now_tm (void);
 GDate *solipa_get_today_gdate (void);
 
+gdouble solipa_round (gdouble value, guint n_decimals);
+
 gchar *g_mkdtemp (gchar *tmpl);
 
 

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 4b9b5065e88934f064697f49803df5162991382d..457715f03187b4ac51fbad42d65a6fff91dbc8f5 100644 (file)
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -12,4 +12,5 @@ LDADD = $(top_builddir)/src/libsolipa.la
 noinst_PROGRAMS = allegato \
                   mail \
                   utils \
-                  utils_format_money
+                  utils_format_money \
+                  utils_round

diff --git a/tests/utils_round.c b/tests/utils_round.c
new file mode 100644 (file)
index 0000000..2ca7a09
--- /dev/null
+++ b/tests/utils_round.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2010-2011 Andrea Zagli <azagli@libero.it>
+ *
+ * This 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.
+ *
+ * This 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 this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <solipa.h>
+#include <utils.h>
+
+int
+main (int argc, char *argv[])
+{
+       gtk_init (&argc, &argv);
+
+       g_message ("%f", solipa_round (g_strtod (argv[1], NULL), 2));
+
+       return 0;
+}