From 23aa2f85a50e8f4d5c2010965709700bc23d2340 Mon Sep 17 00:00:00 2001
From: reinelt <>
Date: Sat, 11 Oct 2003 06:01:53 +0000
Subject: [lcd4linux @ 2003-10-11 06:01:52 by reinelt] renamed expression.{c,h}
 to client.{c,h} added config file client new functions 'AddNumericVariable()'
 and 'AddStringVariable()' new parameter '-i' for interactive mode

---
 expression.c | 180 -----------------------------------------------------------
 1 file changed, 180 deletions(-)
 delete mode 100644 expression.c

(limited to 'expression.c')

diff --git a/expression.c b/expression.c
deleted file mode 100644
index 7fc15fd..0000000
--- a/expression.c
+++ /dev/null
@@ -1,180 +0,0 @@
-/* $Id: expression.c,v 1.3 2003/10/06 05:51:15 reinelt Exp $
- *
- * expression handling
- *
- * Copyright 2003 Michael Reinelt <reinelt@eunet.at>
- *
- * This file is part of LCD4Linux.
- *
- * LCD4Linux is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * LCD4Linux 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *
- * $Log: expression.c,v $
- * Revision 1.3  2003/10/06 05:51:15  reinelt
- * functions: min(), max()
- *
- * Revision 1.2  2003/10/06 05:47:27  reinelt
- * operators: ==, \!=, <=, >=
- *
- * Revision 1.1  2003/10/06 04:34:06  reinelt
- * expression evaluator added
- *
- */
-
-/* 
- * exported functions:
- *
- * int EX_init (void)
- *  initializes the expression evaluator
- *  adds some handy constants and functions
- *
- */
-
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <math.h>
-#include <string.h>
-
-#include "debug.h"
-#include "cfg.h"
-#include "evaluator.h"
-#include "expression.h"
-
-
-
-static void my_sqrt (RESULT *result, RESULT *arg1)
-{
-  double value=sqrt(R2N(arg1));
-  SetResult(&result, R_NUMBER, &value); 
-}
-
-static void my_exp (RESULT *result, RESULT *arg1)
-{
-  double value=exp(R2N(arg1));
-  SetResult(&result, R_NUMBER, &value); 
-}
-
-static void my_ln (RESULT *result, RESULT *arg1)
-{
-  double value=log(R2N(arg1));
-  SetResult(&result, R_NUMBER, &value); 
-}
-
-static void my_log (RESULT *result, RESULT *arg1)
-{
-  double value=log10(R2N(arg1));
-  SetResult(&result, R_NUMBER, &value); 
-}
-
-static void my_sin (RESULT *result, RESULT *arg1)
-{
-  double value=sin(R2N(arg1));
-  SetResult(&result, R_NUMBER, &value); 
-}
-
-static void my_cos (RESULT *result, RESULT *arg1)
-{
-  double value=cos(R2N(arg1));
-  SetResult(&result, R_NUMBER, &value); 
-}
-
-static void my_tan (RESULT *result, RESULT *arg1)
-{
-  double value=tan(R2N(arg1));
-  SetResult(&result, R_NUMBER, &value); 
-}
-
-
-static void my_min (RESULT *result, RESULT *arg1, RESULT *arg2)
-{
-  double a1=R2N(arg1);
-  double a2=R2N(arg2);
-  double value=a1<a2?a1:a2;
-  SetResult(&result, R_NUMBER, &value); 
-}
-
-static void my_max (RESULT *result, RESULT *arg1, RESULT *arg2)
-{
-  double a1=R2N(arg1);
-  double a2=R2N(arg2);
-  double value=a1>a2?a1:a2;
-  SetResult(&result, R_NUMBER, &value); 
-}
-
-
-static void my_strlen (RESULT *result, RESULT *arg1)
-{
-  double value=strlen(R2S(arg1));
-  SetResult(&result, R_NUMBER, &value); 
-}
-
-
-static void my_cfg (RESULT *result, RESULT *arg1)
-{
-  char *value=cfg_get(R2S(arg1), "");
-  SetResult(&result, R_STRING, value); 
-}
-
-
-int EX_init (void)
-{
-  // set some handy constants
-  AddConstant ("Pi", M_PI);
-  AddConstant ("e",  M_E);
-  
-  // register some basic math functions
-  AddFunction ("sqrt", 1, my_sqrt);
-  AddFunction ("exp",  1, my_exp);
-  AddFunction ("ln",   1, my_ln);
-  AddFunction ("log",  1, my_log);
-  AddFunction ("sin",  1, my_sin);
-  AddFunction ("cos",  1, my_cos);
-  AddFunction ("tan",  1, my_tan);
-  
-  // min, max
-  AddFunction ("min",  2, my_min);
-  AddFunction ("max",  2, my_max);
-
-  // register some basic string functions
-  AddFunction ("strlen", 1, my_strlen);
-
-  // config file access
-  AddFunction ("cfg", 1, my_cfg);
-
-  
-  return 0;
-}
-
-
-int EX_test(int argc, char* argv[])
-{
-  int ec;
-  char line[1024];
-  RESULT result = {0, 0.0, NULL};
-  
-  printf("\nEE> ");
-  for(gets(line); !feof(stdin); gets(line)) {
-    ec=Eval(line, &result);
-    if (result.type==R_NUMBER) {
-      printf ("%g\n", R2N(&result));
-    } else if (result.type==R_STRING) {
-      printf ("<%s>\n", R2S(&result));
-    }
-    printf("EE> ");
-  }
-
-  return 0;
-}
-- 
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