[Lcd4linux-devel] [patch] new mathematical functions

[Maxime P. <max...@bu...>]

Hi,

I've added two little utility functions to the mathematical plugin :
floor and ceil. It's useful when you don't want to be bothered by long
decimal numbers ...

Here comes the patch :

diff -Naur lcd4linux-0.10.0-RC1-new/plugin_math.c lcd4linux-0.10.0-RC1/plug=
in_math.c

--- lcd4linux-0.10.0-RC1/plugin_math.c  2004-06-26 14:05:00.000000000 +0200
+++ lcd4linux-0.10.0-RC1-new/plugin_math.c      2005-04-04 16:02:10.2544510=
00 +0200
@@ -131,6 +131,17 @@
   SetResult(&result, R_NUMBER, &value);=20
 }
=20
+static void my_floor (RESULT *result, RESULT *arg)
+{
+  double value=3Dfloor(R2N(arg));
+  SetResult(&result, R_NUMBER, &value);
+}
+
+static void my_ceil (RESULT *result, RESULT *arg)
+{
+  double value=3Dceil(R2N(arg));
+  SetResult(&result, R_NUMBER, &value);
+}
=20
 int plugin_init_math (void)
 {
@@ -151,6 +162,10 @@
   AddFunction ("min",  2, my_min);
   AddFunction ("max",  2, my_max);
=20
+  /* floor, ceil */
+  AddFunction ("floor", 1, my_floor);
+  AddFunction ("ceil", 1, my_ceil);
+
   return 0;
 }

Regards,
- Sam

--=20
/ Maxime Petazzoni - <max...@bu...> - bulix.org |
| Zwe (zwe.bulix.org) - Gobelins : http://gobelins.nekeme.net |
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