From 6db1a2cdd3b96731f2e092d55d8c2136eabc52d0 Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Tue, 11 Feb 2020 12:24:56 +0100
Subject: Rename and cleanup

---
 sem3/osc/mm11/regn2/regn.l | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 sem3/osc/mm11/regn2/regn.l

(limited to 'sem3/osc/mm11/regn2/regn.l')

diff --git a/sem3/osc/mm11/regn2/regn.l b/sem3/osc/mm11/regn2/regn.l
new file mode 100644
index 0000000..9988ddd
--- /dev/null
+++ b/sem3/osc/mm11/regn2/regn.l
@@ -0,0 +1,27 @@
+%{
+#include <math.h>
+#include <string.h>
+#include "regn.tab.h"
+%}
+
+realtal      ([0-9]+|([0-9]*\.[0-9]+))([eE][-+]?[0-9]+)?
+op_log		 log
+op_exp		 exp
+op_sqrt		 sqrt
+
+%%
+{realtal}      {yylval.dval = atof(yytext); 
+                return TAL;}
+{op_log}	   {return LOG;}
+{op_exp}	   {return EXP;}
+{op_sqrt}	   {return SQRT;}
+
+[ \t] ;
+
+
+'$'            {return 0;} 
+
+\n|.           {return yytext[0];} 
+
+%%
+
-- 
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