support for floating point numbers added to ast_expr2 $\[...\] exprs. Fixes bug 9508, where the expr code fails with fp numbers. The MATH function returns fp numbers by default, so this fix is considered necessary.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@72933 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2025-09-06 04:30:28 +00:00 · 2007-07-02 20:16:31 +00:00
parent 76164559c9
commit adc13be87b
9 changed files with 618 additions and 513 deletions
--- a/UPGRADE.txt
+++ b/UPGRADE.txt
@@ -102,6 +102,12 @@ PBX Core:
  and wait for a new extension without using WaitExten() to accomplish that,
  you will need set autofallthrough to 'no' in your extensions.conf file.

+* The ast_expr2 stuff has been modified to handle floating-point numbers.
+  Numbers of the format D.D are now acceptable input for the expr parser, 
+  Where D is a string of base-10 digits. All math is now done in "long double",
+  if it is available on your compiler/architecture. This was half-way between
+  a bug-fix (because the MATH func returns fp by default), and an enhancement.
+ 
 Command Line Interface:

 * 'show channels concise', designed to be used by applications that will parse
--- a/doc/channelvariables.txt
+++ b/doc/channelvariables.txt
@@ -212,19 +212,19 @@ with equal precedence are grouped within { } symbols.
             an empty string or zero; otherwise, returns zero.

     expr1 {=, >, >=, <, <=, !=} expr2
-             Return the results of integer comparison if both arguments are
-             integers; otherwise, returns the results of string comparison
+             Return the results of floating pt. comparison if both arguments are
+             numbers; otherwise, returns the results of string comparison
             using the locale-specific collation sequence.  The result of each
             comparison is 1 if the specified relation is true, or 0 if the
             relation is false.

     expr1 {+, -} expr2
-             Return the results of addition or subtraction of integer-valued
+             Return the results of addition or subtraction of 
             arguments.

     expr1 {*, /, %} expr2
-             Return the results of multiplication, integer division, or
-             remainder of integer-valued arguments.
+             Return the results of multiplication, division, or
+             remainder of arguments. (floating point [long double if possible]).

     - expr1
            Return the result of subtracting expr1 from 0.
@@ -322,10 +322,13 @@ __________________________
 NUMBERS VS STRINGS
 --------------------------

-Tokens consisting only of numbers are converted to 64-bit numbers for
-most of the operators. This means that overflows can occur when the
+Tokens consisting only of numbers are converted to long doubles for
+most of the operators (80-128 bits, depending on the compiler/platform/etc). 
+This means that overflows can occur when the
 numbers get above 18 digits.  Warnings will appear in the logs in this
 case.
+If "long double" is not available, then "double" is used (usually 64 bit floating
+point numbers).
 ___________________________
 CONDITIONALS
 ---------------------------
@@ -484,6 +487,10 @@ of possible concern with "legacy" extension.conf files:

 9.  Unary operators '-' and '!' were made right associative.

+10. All arithmetic operations are now done in floating point (long double
+    if possible, plain double otherwise).
+
+
 --------------------------------------------------------
 DEBUGGING HINTS FOR $[  ]  EXPRESSIONS
 --------------------------------------------------------
--- a/main/Makefile
+++ b/main/Makefile
@@ -110,7 +110,7 @@ ast_expr2f.c:
 testexpr2: ast_expr2f.c ast_expr2.c ast_expr2.h
 	$(CC) -g -c -Iinclude -DSTANDALONE ast_expr2f.c
 	$(CC) -g -c -Iinclude -DSTANDALONE ast_expr2.c
-	$(CC) -g -o testexpr2 ast_expr2f.o ast_expr2.o
+	$(CC) -g -o testexpr2 ast_expr2f.o ast_expr2.o -lm
 	rm ast_expr2.o ast_expr2f.o 

 channel.o: ASTCFLAGS+=$(ZAPTEL_INCLUDE)
--- a/main/ast_expr2.c
+++ b/main/ast_expr2.c
--- a/main/ast_expr2.fl
+++ b/main/ast_expr2.fl
@@ -24,12 +24,29 @@

 #include "asterisk.h"

-#ifndef STANDALONE
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-#endif
-
 #include <sys/types.h>
 #include <stdio.h>
+
+#ifndef STANDALONE
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+#else
+#ifndef __USE_ISOC99
+#define __USE_ISOC99 1
+#endif
+#endif
+
+#ifdef __USE_ISOC99
+#define FP___PRINTF "%.16Lg"
+#define FP___FMOD   fmodl
+#define FP___STRTOD  strtold
+#define FP___TYPE    long double
+#else
+#define FP___PRINTF "%.8g"
+#define FP___FMOD   fmod
+#define FP___STRTOD  strtod
+#define FP___TYPE    double
+#endif
+
 #include <stdlib.h>
 #include <string.h>
 #include <locale.h>
@@ -48,14 +65,14 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/strings.h"

 enum valtype {
-	AST_EXPR_integer, AST_EXPR_numeric_string, AST_EXPR_string
+	AST_EXPR_number, AST_EXPR_numeric_string, AST_EXPR_string
 } ;

 struct val {
 	enum valtype type;
 	union {
 		char *s;
-		quad_t i;
+		FP___TYPE i; /* long double or just double if it's a bad day */
 	} u;
 } ;

@@ -140,7 +157,7 @@ static char *expr2_token_subst(char *mess);
 \"[^"]*\"	{SET_COLUMNS; SET_STRING; return TOKEN;}

 [\n]		{/* what to do with eol */}
-[0-9]+		{
+[0-9]+(\.[0-9]+)?		{
 		SET_COLUMNS;
 		/* the original behavior of the expression parser was
 		 * to bring in numbers as a numeric string
@@ -235,10 +252,10 @@ int ast_expr(char *expr, char *buf, int length)
 			return_value = 1;
 		}
 	} else {
-		if (io.val->type == AST_EXPR_integer) {
+		if (io.val->type == AST_EXPR_number) {
 			int res_length;

-			res_length = snprintf(buf, length, "%ld", (long int) io.val->u.i);
+			res_length = snprintf(buf, length, FP___PRINTF, io.val->u.i);
 			return_value = (res_length <= length) ? res_length : length;
 		} else {
 #if defined(STANDALONE) || defined(LOW_MEMORY) || defined(STANDALONE_AEL)
--- a/main/ast_expr2.h
+++ b/main/ast_expr2.h
@@ -1,9 +1,7 @@
-/* A Bison parser, made by GNU Bison 2.3.  */
+/* A Bison parser, made by GNU Bison 2.1a.  */

-/* Skeleton interface for Bison's Yacc-like parsers in C
-
-   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
-   Free Software Foundation, Inc.
+/* Skeleton parser for Yacc-like parsing with Bison,
+   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -20,18 +18,10 @@
   Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.  */

-/* As a special exception, you may create a larger work that contains
-   part or all of the Bison parser skeleton and distribute that work
-   under terms of your choice, so long as that work isn't itself a
-   parser generator using the skeleton or a modified version thereof
-   as a parser skeleton.  Alternatively, if you modify or redistribute
-   the parser skeleton itself, you may (at your option) remove this
-   special exception, which will cause the skeleton and the resulting
-   Bison output files to be licensed under the GNU General Public
-   License without this special exception.
-
-   This special exception was added by the Free Software Foundation in
-   version 2.2 of Bison.  */
+/* As a special exception, when this file is copied by Bison into a
+   Bison output file, you may use that output file without restriction.
+   This special exception was added by the Free Software Foundation
+   in version 1.24 of Bison.  */

 /* Tokens.  */
 #ifndef YYTOKENTYPE
@@ -90,12 +80,12 @@

 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
-#line 147 "ast_expr2.y"
+#line 165 "ast_expr2.y"
 {
 	struct val *val;
 }
-/* Line 1529 of yacc.c.  */
-#line 99 "ast_expr2.h"
+/* Line 1536 of yacc.c.  */
+#line 89 "ast_expr2.h"
 	YYSTYPE;
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
@@ -118,3 +108,5 @@ typedef struct YYLTYPE
 #endif


+
+
--- a/main/ast_expr2.y
+++ b/main/ast_expr2.y
@@ -4,7 +4,7 @@
 *
 * Largely rewritten by J.T. Conklin (jtc@wimsey.com)
 *
- * And then overhauled twice by Steve Murphy (murf@e-tools.com)
+ * And then overhauled twice by Steve Murphy (murf@digium.com)
 * to add double-quoted strings, allow mult. spaces, improve
 * error messages, and then to fold in a flex scanner for the 
 * yylex operation.
@@ -12,16 +12,33 @@
 * $FreeBSD: src/bin/expr/expr.y,v 1.16 2000/07/22 10:59:36 se Exp $
 */

-#include "asterisk.h"
-
-#ifndef STANDALONE
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-#endif
-
 #include <sys/types.h>
 #include <stdio.h>
+
+#ifdef STANDALONE /* I guess somewhere, the feature is set in the asterisk includes */
+#ifndef __USE_ISOC99
+#define __USE_ISOC99 1
+#endif
+#endif
+
+#ifdef __USE_ISOC99
+#define FP___PRINTF "%.16Lg"
+#define FP___FMOD   fmodl
+#define FP___STRTOD  strtold
+#define FP___TYPE    long double
+#else
+#define FP___PRINTF "%.8g"
+#define FP___FMOD   fmod
+#define FP___STRTOD  strtod
+#define FP___TYPE    double
+#endif
+
 #include <stdlib.h>
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
 #include <string.h>
+#include <math.h>
 #include <locale.h>
 #include <unistd.h>
 #include <ctype.h>
@@ -34,6 +51,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include <regex.h>
 #include <limits.h>

+#include "asterisk.h"
 #include "asterisk/ast_expr.h"
 #include "asterisk/logger.h"

@@ -50,7 +68,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #  if ! defined(QUAD_MAX)
 #   define QUAD_MAX     (0x7fffffffffffffffLL)
 #  endif
-
+#define YYENABLE_NLS 0
 #define YYPARSE_PARAM parseio
 #define YYLEX_PARAM ((struct parse_io *)parseio)->scanner
 #define YYERROR_VERBOSE 1
@@ -58,7 +76,7 @@ extern char extra_error_message[4095];
 extern int extra_error_message_supplied;

 enum valtype {
-	AST_EXPR_integer, AST_EXPR_numeric_string, AST_EXPR_string
+	AST_EXPR_number, AST_EXPR_numeric_string, AST_EXPR_string
 } ;

 #ifdef STANDALONE
@@ -69,7 +87,7 @@ struct val {
 	enum valtype type;
 	union {
 		char *s;
-		quad_t i;
+		FP___TYPE i; /* either long double, or just double, on a bad day */
 	} u;
 } ;

@@ -82,14 +100,14 @@ struct parse_io
 	yyscan_t scanner;
 };
 
-static int		chk_div __P((quad_t, quad_t));
-static int		chk_minus __P((quad_t, quad_t, quad_t));
-static int		chk_plus __P((quad_t, quad_t, quad_t));
-static int		chk_times __P((quad_t, quad_t, quad_t));
+static int		chk_div __P((FP___TYPE, FP___TYPE));
+static int		chk_minus __P((FP___TYPE, FP___TYPE, FP___TYPE));
+static int		chk_plus __P((FP___TYPE, FP___TYPE, FP___TYPE));
+static int		chk_times __P((FP___TYPE, FP___TYPE, FP___TYPE));
 static void		free_value __P((struct val *));
 static int		is_zero_or_null __P((struct val *));
 static int		isstring __P((struct val *));
-static struct val	*make_integer __P((quad_t));
+static struct val	*make_number __P((FP___TYPE));
 static struct val	*make_str __P((const char *));
 static struct val	*op_and __P((struct val *, struct val *));
 static struct val	*op_colon __P((struct val *, struct val *));
@@ -109,7 +127,7 @@ static struct val	*op_or __P((struct val *, struct val *));
 static struct val	*op_plus __P((struct val *, struct val *));
 static struct val	*op_rem __P((struct val *, struct val *));
 static struct val	*op_times __P((struct val *, struct val *));
-static quad_t		to_integer __P((struct val *));
+static int		to_number __P((struct val *));
 static void		to_string __P((struct val *));

 /* uh, if I want to predeclare yylex with a YYLTYPE, I have to predeclare the yyltype... sigh */
@@ -174,7 +192,7 @@ extern int		ast_yylex __P((YYSTYPE *, YYLTYPE *, yyscan_t));

 start: expr { ((struct parse_io *)parseio)->val = (struct val *)calloc(sizeof(struct val),1);
              ((struct parse_io *)parseio)->val->type = $1->type;
-              if( $1->type == AST_EXPR_integer )
+              if( $1->type == AST_EXPR_number )
 				  ((struct parse_io *)parseio)->val->u.i = $1->u.i;
              else
 				  ((struct parse_io *)parseio)->val->u.s = $1->u.s; 
@@ -270,7 +288,7 @@ expr:	TOKEN   { $$= $1;}
 %%

 static struct val *
-make_integer (quad_t i)
+make_number (FP___TYPE i)
 {
 	struct val *vp;

@@ -280,7 +298,7 @@ make_integer (quad_t i)
 		return(NULL);
 	}

-	vp->type = AST_EXPR_integer;
+	vp->type = AST_EXPR_number;
 	vp->u.i  = i;
 	return vp; 
 }
@@ -290,7 +308,7 @@ make_str (const char *s)
 {
 	struct val *vp;
 	size_t i;
-	int isint;
+	int isint; /* this started out being a test for an integer, but then ended up being a test for a float */

 	vp = (struct val *) malloc (sizeof (*vp));
 	if (vp == NULL || ((vp->u.s = strdup (s)) == NULL)) {
@@ -298,14 +316,13 @@ make_str (const char *s)
 		return(NULL);
 	}

-	for(i = 1, isint = isdigit(s[0]) || s[0] == '-';
-	    isint && i < strlen(s);
-	    i++)
+	for (i = 0, isint = (isdigit(s[0]) || s[0] == '-' || s[0]=='.'); isint && i < strlen(s); i++)
 	{
-		if(!isdigit(s[i]))
+		if (!isdigit(s[i]) && s[i] != '.') {
 			isint = 0;
+			break;
+		}
 	}
-
 	if (isint)
 		vp->type = AST_EXPR_numeric_string;
 	else	
@@ -327,17 +344,17 @@ free_value (struct val *vp)
 }


-static quad_t
-to_integer (struct val *vp)
+static int
+to_number (struct val *vp)
 {
-	quad_t i;
+	FP___TYPE i;
 	
 	if (vp == NULL) {
-		ast_log(LOG_WARNING,"vp==NULL in to_integer()\n");
+		ast_log(LOG_WARNING,"vp==NULL in to_number()\n");
 		return(0);
 	}

-	if (vp->type == AST_EXPR_integer)
+	if (vp->type == AST_EXPR_number)
 		return 1;

 	if (vp->type == AST_EXPR_string)
@@ -345,16 +362,16 @@ to_integer (struct val *vp)

 	/* vp->type == AST_EXPR_numeric_string, make it numeric */
 	errno = 0;
-	i  = strtoll(vp->u.s, (char**)NULL, 10);
+	i  = FP___STRTOD(vp->u.s, (char**)0); /* either strtod, or strtold on a good day */
 	if (errno != 0) {
-		ast_log(LOG_WARNING,"Conversion of %s to integer under/overflowed!\n", vp->u.s);
+		ast_log(LOG_WARNING,"Conversion of %s to number under/overflowed!\n", vp->u.s);
 		free(vp->u.s);
 		vp->u.s = 0;
 		return(0);
 	}
 	free (vp->u.s);
 	vp->u.i = i;
-	vp->type = AST_EXPR_integer;
+	vp->type = AST_EXPR_number;
 	return 1;
 }

@@ -395,7 +412,7 @@ to_string (struct val *vp)
 		return;
 	}

-	sprintf(tmp, "%ld", (long int) vp->u.i);
+	sprintf(tmp, FP___PRINTF, vp->u.i);
 	vp->type = AST_EXPR_string;
 	vp->u.s  = tmp;
 }
@@ -404,7 +421,7 @@ to_string (struct val *vp)
 static int
 isstring (struct val *vp)
 {
-	/* only TRUE if this string is not a valid integer */
+	/* only TRUE if this string is not a valid number */
 	return (vp->type == AST_EXPR_string);
 }

@@ -412,10 +429,10 @@ isstring (struct val *vp)
 static int
 is_zero_or_null (struct val *vp)
 {
-	if (vp->type == AST_EXPR_integer) {
+	if (vp->type == AST_EXPR_number) {
 		return (vp->u.i == 0);
 	} else {
-		return (*vp->u.s == 0 || (to_integer (vp) && vp->u.i == 0));
+		return (*vp->u.s == 0 || (to_number(vp) && vp->u.i == 0));
 	}
 	/* NOTREACHED */
 }
@@ -502,7 +519,7 @@ op_and (struct val *a, struct val *b)
 	if (is_zero_or_null (a) || is_zero_or_null (b)) {
 		free_value (a);
 		free_value (b);
-		return (make_integer ((quad_t)0));
+		return (make_number ((double)0.0));
 	} else {
 		free_value (b);
 		return (a);
@@ -517,18 +534,18 @@ op_eq (struct val *a, struct val *b)
 	if (isstring (a) || isstring (b)) {
 		to_string (a);
 		to_string (b);	
-		r = make_integer ((quad_t)(strcoll (a->u.s, b->u.s) == 0));
+		r = make_number ((FP___TYPE)(strcoll (a->u.s, b->u.s) == 0));
 	} else {
 #ifdef DEBUG_FOR_CONVERSIONS
 		char buffer[2000];
 		sprintf(buffer,"Converting '%s' and '%s' ", a->u.s, b->u.s);
 #endif
-		(void)to_integer(a);
-		(void)to_integer(b);
+		(void)to_number(a);
+		(void)to_number(b);
 #ifdef DEBUG_FOR_CONVERSIONS
 		ast_log(LOG_WARNING,"%s to '%lld' and '%lld'\n", buffer, a->u.i, b->u.i);
 #endif
-		r = make_integer ((quad_t)(a->u.i == b->u.i));
+		r = make_number ((FP___TYPE)(a->u.i == b->u.i));
 	}

 	free_value (a);
@@ -544,11 +561,11 @@ op_gt (struct val *a, struct val *b)
 	if (isstring (a) || isstring (b)) {
 		to_string (a);
 		to_string (b);
-		r = make_integer ((quad_t)(strcoll (a->u.s, b->u.s) > 0));
+		r = make_number ((FP___TYPE)(strcoll (a->u.s, b->u.s) > 0));
 	} else {
-		(void)to_integer(a);
-		(void)to_integer(b);
-		r = make_integer ((quad_t)(a->u.i > b->u.i));
+		(void)to_number(a);
+		(void)to_number(b);
+		r = make_number ((FP___TYPE)(a->u.i > b->u.i));
 	}

 	free_value (a);
@@ -564,11 +581,11 @@ op_lt (struct val *a, struct val *b)
 	if (isstring (a) || isstring (b)) {
 		to_string (a);
 		to_string (b);
-		r = make_integer ((quad_t)(strcoll (a->u.s, b->u.s) < 0));
+		r = make_number ((FP___TYPE)(strcoll (a->u.s, b->u.s) < 0));
 	} else {
-		(void)to_integer(a);
-		(void)to_integer(b);
-		r = make_integer ((quad_t)(a->u.i < b->u.i));
+		(void)to_number(a);
+		(void)to_number(b);
+		r = make_number ((FP___TYPE)(a->u.i < b->u.i));
 	}

 	free_value (a);
@@ -584,11 +601,11 @@ op_ge (struct val *a, struct val *b)
 	if (isstring (a) || isstring (b)) {
 		to_string (a);
 		to_string (b);
-		r = make_integer ((quad_t)(strcoll (a->u.s, b->u.s) >= 0));
+		r = make_number ((FP___TYPE)(strcoll (a->u.s, b->u.s) >= 0));
 	} else {
-		(void)to_integer(a);
-		(void)to_integer(b);
-		r = make_integer ((quad_t)(a->u.i >= b->u.i));
+		(void)to_number(a);
+		(void)to_number(b);
+		r = make_number ((FP___TYPE)(a->u.i >= b->u.i));
 	}

 	free_value (a);
@@ -604,11 +621,11 @@ op_le (struct val *a, struct val *b)
 	if (isstring (a) || isstring (b)) {
 		to_string (a);
 		to_string (b);
-		r = make_integer ((quad_t)(strcoll (a->u.s, b->u.s) <= 0));
+		r = make_number ((FP___TYPE)(strcoll (a->u.s, b->u.s) <= 0));
 	} else {
-		(void)to_integer(a);
-		(void)to_integer(b);
-		r = make_integer ((quad_t)(a->u.i <= b->u.i));
+		(void)to_number(a);
+		(void)to_number(b);
+		r = make_number ((FP___TYPE)(a->u.i <= b->u.i));
 	}

 	free_value (a);
@@ -638,7 +655,7 @@ op_cond (struct val *a, struct val *b, struct val *c)
 	}
 	else
 	{
-		(void)to_integer(a);
+		(void)to_number(a);
 		if( a->u.i )
 		{
 			free_value(a);
@@ -663,11 +680,11 @@ op_ne (struct val *a, struct val *b)
 	if (isstring (a) || isstring (b)) {
 		to_string (a);
 		to_string (b);
-		r = make_integer ((quad_t)(strcoll (a->u.s, b->u.s) != 0));
+		r = make_number ((FP___TYPE)(strcoll (a->u.s, b->u.s) != 0));
 	} else {
-		(void)to_integer(a);
-		(void)to_integer(b);
-		r = make_integer ((quad_t)(a->u.i != b->u.i));
+		(void)to_number(a);
+		(void)to_number(b);
+		r = make_number ((FP___TYPE)(a->u.i != b->u.i));
 	}

 	free_value (a);
@@ -676,7 +693,7 @@ op_ne (struct val *a, struct val *b)
 }

 static int
-chk_plus (quad_t a, quad_t b, quad_t r)
+chk_plus (FP___TYPE a, FP___TYPE b, FP___TYPE r)
 {
 	/* sum of two positive numbers must be positive */
 	if (a > 0 && b > 0 && r <= 0)
@@ -693,23 +710,23 @@ op_plus (struct val *a, struct val *b)
 {
 	struct val *r;

-	if (!to_integer (a)) {
+	if (!to_number (a)) {
 		if( !extra_error_message_supplied )
 			ast_log(LOG_WARNING,"non-numeric argument\n");
-		if (!to_integer (b)) {
+		if (!to_number (b)) {
 			free_value(a);
 			free_value(b);
-			return make_integer(0);
+			return make_number(0);
 		} else {
 			free_value(a);
 			return (b);
 		}
-	} else if (!to_integer(b)) {
+	} else if (!to_number(b)) {
 		free_value(b);
 		return (a);
 	}

-	r = make_integer (/*(quad_t)*/(a->u.i + b->u.i));
+	r = make_number (a->u.i + b->u.i);
 	if (chk_plus (a->u.i, b->u.i, r->u.i)) {
 		ast_log(LOG_WARNING,"overflow\n");
 	}
@@ -719,7 +736,7 @@ op_plus (struct val *a, struct val *b)
 }

 static int
-chk_minus (quad_t a, quad_t b, quad_t r)
+chk_minus (FP___TYPE a, FP___TYPE b, FP___TYPE r)
 {
 	/* special case subtraction of QUAD_MIN */
 	if (b == QUAD_MIN) {
@@ -737,27 +754,27 @@ op_minus (struct val *a, struct val *b)
 {
 	struct val *r;

-	if (!to_integer (a)) {
+	if (!to_number (a)) {
 		if( !extra_error_message_supplied )
 			ast_log(LOG_WARNING, "non-numeric argument\n");
-		if (!to_integer (b)) {
+		if (!to_number (b)) {
 			free_value(a);
 			free_value(b);
-			return make_integer(0);
+			return make_number(0);
 		} else {
-			r = make_integer(0 - b->u.i);
+			r = make_number(0 - b->u.i);
 			free_value(a);
 			free_value(b);
 			return (r);
 		}
-	} else if (!to_integer(b)) {
+	} else if (!to_number(b)) {
 		if( !extra_error_message_supplied )
 			ast_log(LOG_WARNING, "non-numeric argument\n");
 		free_value(b);
 		return (a);
 	}

-	r = make_integer (/*(quad_t)*/(a->u.i - b->u.i));
+	r = make_number (a->u.i - b->u.i);
 	if (chk_minus (a->u.i, b->u.i, r->u.i)) {
 		ast_log(LOG_WARNING, "overflow\n");
 	}
@@ -771,14 +788,14 @@ op_negate (struct val *a)
 {
 	struct val *r;

-	if (!to_integer (a) ) {
+	if (!to_number (a) ) {
 		free_value(a);
 		if( !extra_error_message_supplied )
 			ast_log(LOG_WARNING, "non-numeric argument\n");
-		return make_integer(0);
+		return make_number(0);
 	}

-	r = make_integer (/*(quad_t)*/(- a->u.i));
+	r = make_number (- a->u.i);
 	if (chk_minus (0, a->u.i, r->u.i)) {
 		ast_log(LOG_WARNING, "overflow\n");
 	}
@@ -800,7 +817,7 @@ op_compl (struct val *a)
 	{
 		switch( a->type )
 		{
-		case AST_EXPR_integer:
+		case AST_EXPR_number:
 			if( a->u.i == 0 )
 				v1 = 0;
 			break;
@@ -831,13 +848,13 @@ op_compl (struct val *a)
 		}
 	}
 	
-	r = make_integer (!v1);
+	r = make_number (!v1);
 	free_value (a);
 	return r;
 }

 static int
-chk_times (quad_t a, quad_t b, quad_t r)
+chk_times (FP___TYPE a, FP___TYPE b, FP___TYPE r)
 {
 	/* special case: first operand is 0, no overflow possible */
 	if (a == 0)
@@ -853,15 +870,15 @@ op_times (struct val *a, struct val *b)
 {
 	struct val *r;

-	if (!to_integer (a) || !to_integer (b)) {
+	if (!to_number (a) || !to_number (b)) {
 		free_value(a);
 		free_value(b);
 		if( !extra_error_message_supplied )
 			ast_log(LOG_WARNING, "non-numeric argument\n");
-		return(make_integer(0));
+		return(make_number(0));
 	}

-	r = make_integer (/*(quad_t)*/(a->u.i * b->u.i));
+	r = make_number (a->u.i * b->u.i);
 	if (chk_times (a->u.i, b->u.i, r->u.i)) {
 		ast_log(LOG_WARNING, "overflow\n");
 	}
@@ -871,7 +888,7 @@ op_times (struct val *a, struct val *b)
 }

 static int
-chk_div (quad_t a, quad_t b)
+chk_div (FP___TYPE a, FP___TYPE b)
 {
 	/* div by zero has been taken care of before */
 	/* only QUAD_MIN / -1 causes overflow */
@@ -886,28 +903,28 @@ op_div (struct val *a, struct val *b)
 {
 	struct val *r;

-	if (!to_integer (a)) {
+	if (!to_number (a)) {
 		free_value(a);
 		free_value(b);
 		if( !extra_error_message_supplied )
 			ast_log(LOG_WARNING, "non-numeric argument\n");
-		return make_integer(0);
-	} else if (!to_integer (b)) {
+		return make_number(0);
+	} else if (!to_number (b)) {
 		free_value(a);
 		free_value(b);
 		if( !extra_error_message_supplied )
 			ast_log(LOG_WARNING, "non-numeric argument\n");
-		return make_integer(INT_MAX);
+		return make_number(INT_MAX);
 	}

 	if (b->u.i == 0) {
 		ast_log(LOG_WARNING, "division by zero\n");		
 		free_value(a);
 		free_value(b);
-		return make_integer(INT_MAX);
+		return make_number(INT_MAX);
 	}

-	r = make_integer (/*(quad_t)*/(a->u.i / b->u.i));
+	r = make_number (a->u.i / b->u.i);
 	if (chk_div (a->u.i, b->u.i)) {
 		ast_log(LOG_WARNING, "overflow\n");
 	}
@@ -921,12 +938,12 @@ op_rem (struct val *a, struct val *b)
 {
 	struct val *r;

-	if (!to_integer (a) || !to_integer (b)) {
+	if (!to_number (a) || !to_number (b)) {
 		if( !extra_error_message_supplied )
 			ast_log(LOG_WARNING, "non-numeric argument\n");
 		free_value(a);
 		free_value(b);
-		return make_integer(0);
+		return make_number(0);
 	}

 	if (b->u.i == 0) {
@@ -935,7 +952,7 @@ op_rem (struct val *a, struct val *b)
 		return(b);
 	}

-	r = make_integer (/*(quad_t)*/(a->u.i % b->u.i));
+	r = make_number (FP___FMOD(a->u.i, b->u.i)); /* either fmod or fmodl if FP___TYPE is available */
 	/* chk_rem necessary ??? */
 	free_value (a);
 	free_value (b);
@@ -975,11 +992,11 @@ op_colon (struct val *a, struct val *b)
 			v = make_str (a->u.s + rm[1].rm_so);

 		} else {
-			v = make_integer ((quad_t)(rm[0].rm_eo - rm[0].rm_so));
+			v = make_number ((FP___TYPE)(rm[0].rm_eo - rm[0].rm_so));
 		}
 	} else {
 		if (rp.re_nsub == 0) {
-			v = make_integer ((quad_t)0);
+			v = make_number ((FP___TYPE)0);
 		} else {
 			v = make_str ("");
 		}
@@ -1026,11 +1043,11 @@ op_eqtilde (struct val *a, struct val *b)
 			v = make_str (a->u.s + rm[1].rm_so);

 		} else {
-			v = make_integer ((quad_t)(rm[0].rm_eo - rm[0].rm_so));
+			v = make_number ((FP___TYPE)(rm[0].rm_eo - rm[0].rm_so));
 		}
 	} else {
 		if (rp.re_nsub == 0) {
-			v = make_integer ((quad_t)0);
+			v = make_number ((FP___TYPE)0.0);
 		} else {
 			v = make_str ("");
 		}
--- a/main/ast_expr2f.c
+++ b/main/ast_expr2f.c
@@ -732,8 +732,8 @@ static yyconst flex_int16_t yy_nxt[][128] =
      -23,  -23,  -23,  -23,  -23,  -23,  -23,  -23,  -23,  -23,
      -23,  -23,  -23,  -23,  -23,  -23,  -23,  -23,  -23,  -23,
      -23,  -23,  -23,  -23,  -23,   39,   39,  -23,  -23,   39,
-      -23,  -23,  -23,  -23,   39,  -23,   39,  -23,   42,   42,
-       42,   42,   42,   42,   42,   42,   42,   42,  -23,   39,
+      -23,  -23,  -23,  -23,   39,  -23,   42,  -23,   43,   43,
+       43,   43,   43,   43,   43,   43,   43,   43,  -23,   39,
      -23,  -23,  -23,  -23,   39,   39,   39,   39,   39,   39,
       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,
       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,
@@ -750,7 +750,7 @@ static yyconst flex_int16_t yy_nxt[][128] =
      -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,
      -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,
      -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,
-      -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,   43,  -24,
+      -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,   44,  -24,
      -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,
      -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,

@@ -769,7 +769,7 @@ static yyconst flex_int16_t yy_nxt[][128] =
      -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,

      -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,
-      -25,   44,  -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,
+      -25,   45,  -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,
      -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,
      -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,
      -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,  -25,
@@ -786,14 +786,14 @@ static yyconst flex_int16_t yy_nxt[][128] =
      -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,
      -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,
      -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,
-      -26,   45,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,
+      -26,   46,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,
      -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,
      -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,
      -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,
      -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,
      -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,

-      -26,  -26,  -26,  -26,  -26,  -26,   46,  -26
+      -26,  -26,  -26,  -26,  -26,  -26,   47,  -26
    },

    {
@@ -803,7 +803,7 @@ static yyconst flex_int16_t yy_nxt[][128] =
      -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,
      -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,
      -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,
-      -27,   47,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,
+      -27,   48,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,
      -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,
      -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,

@@ -844,25 +844,25 @@ static yyconst flex_int16_t yy_nxt[][128] =
      -29,  -29,  -29,  -29,  -29,  -29,  -29,  -29,  -29,  -29,
      -29,  -29,  -29,  -29,  -29,  -29,  -29,  -29,  -29,  -29,
      -29,  -29,  -29,  -29,  -29,  -29,  -29,  -29,  -29,  -29,
-      -29,  -29,  -29,  -29,   48,  -29,  -29,  -29
+      -29,  -29,  -29,  -29,   49,  -29,  -29,  -29

    },

    {
-        7,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
+        7,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,

-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   50,   49,   51,   49,   49
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   51,   50,   52,   50,   50
    },

    {
@@ -900,21 +900,21 @@ static yyconst flex_int16_t yy_nxt[][128] =
    },

    {
-        7,   52,   52,   52,   52,   52,   52,   52,   52,  -33,
+        7,   53,   53,   53,   53,   53,   53,   53,   53,  -33,

-      -33,   52,   52,  -33,   52,   52,   52,   52,   52,   52,
-       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
-       52,   52,  -33,  -33,   52,   52,  -33,  -33,  -33,   52,
-      -33,  -33,  -33,  -33,   52,  -33,   52,  -33,   52,   52,
-       52,   52,   52,   52,   52,   52,   52,   52,  -33,   52,
-      -33,  -33,  -33,  -33,   52,   52,   52,   52,   52,   52,
-       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
-       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
-       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
-       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
+      -33,   53,   53,  -33,   53,   53,   53,   53,   53,   53,
+       53,   53,   53,   53,   53,   53,   53,   53,   53,   53,
+       53,   53,  -33,  -33,   53,   53,  -33,  -33,  -33,   53,
+      -33,  -33,  -33,  -33,   53,  -33,   53,  -33,   53,   53,
+       53,   53,   53,   53,   53,   53,   53,   53,  -33,   53,
+      -33,  -33,  -33,  -33,   53,   53,   53,   53,   53,   53,
+       53,   53,   53,   53,   53,   53,   53,   53,   53,   53,
+       53,   53,   53,   53,   53,   53,   53,   53,   53,   53,
+       53,   53,   53,   53,   53,   53,   53,   53,   53,   53,
+       53,   53,   53,   53,   53,   53,   53,   53,   53,   53,

-       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
-       52,   52,   52,   52,  -33,   52,   52,   52
+       53,   53,   53,   53,   53,   53,   53,   53,   53,   53,
+       53,   53,   53,   53,  -33,   53,   53,   53
    },

    {
@@ -948,7 +948,7 @@ static yyconst flex_int16_t yy_nxt[][128] =
      -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,
      -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,
      -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,
-      -35,  -35,  -35,   53,  -35,  -35,  -35,  -35
+      -35,  -35,  -35,   54,  -35,  -35,  -35,  -35
    },

    {
@@ -1061,8 +1061,8 @@ static yyconst flex_int16_t yy_nxt[][128] =
      -42,  -42,  -42,  -42,  -42,  -42,  -42,  -42,  -42,  -42,
      -42,  -42,  -42,  -42,  -42,   39,   39,  -42,  -42,   39,

-      -42,  -42,  -42,  -42,   39,  -42,   39,  -42,   42,   42,
-       42,   42,   42,   42,   42,   42,   42,   42,  -42,   39,
+      -42,  -42,  -42,  -42,   39,  -42,   39,  -42,   55,   55,
+       55,   55,   55,   55,   55,   55,   55,   55,  -42,   39,
      -42,  -42,  -42,  -42,   39,   39,   39,   39,   39,   39,
       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,
       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,
@@ -1077,17 +1077,17 @@ static yyconst flex_int16_t yy_nxt[][128] =

      -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,
      -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,
-      -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,
-      -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,
-      -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,
-      -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,
-      -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,
-      -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,
-      -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,
-      -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,
+      -43,  -43,  -43,  -43,  -43,   39,   39,  -43,  -43,   39,
+      -43,  -43,  -43,  -43,   39,  -43,   42,  -43,   43,   43,
+       43,   43,   43,   43,   43,   43,   43,   43,  -43,   39,
+      -43,  -43,  -43,  -43,   39,   39,   39,   39,   39,   39,
+       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,
+       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,
+       39,  -43,   39,  -43,   39,   39,  -43,   39,   39,   39,
+       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,

-      -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,
-      -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43
+       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,
+       39,   39,   39,  -43,  -43,  -43,  -43,  -43
    },

    {
@@ -1177,38 +1177,38 @@ static yyconst flex_int16_t yy_nxt[][128] =
    },

    {
-        7,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
+        7,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,
+      -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,
+      -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,

-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   49,   49,   49,   49,   49,   49,   49,
-       49,   49,   49,   50,   49,   51,   49,   49
+      -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,
+      -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,
+      -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,
+      -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,
+      -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,
+      -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,
+      -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,
+      -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,
+      -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,
+      -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49

    },

    {
-        7,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
-      -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
-      -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
-      -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
-      -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
-      -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
-      -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
-      -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
-      -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
-      -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
+        7,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,

-      -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
-      -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50,
-      -50,  -50,  -50,  -50,  -50,  -50,  -50,  -50
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   51,   50,   52,   50,   50
    },

    {
@@ -1229,38 +1229,72 @@ static yyconst flex_int16_t yy_nxt[][128] =
    },

    {
-        7,   52,   52,   52,   52,   52,   52,   52,   52,  -52,
-      -52,   52,   52,  -52,   52,   52,   52,   52,   52,   52,
-       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
-       52,   52,  -52,  -52,   52,   52,  -52,  -52,  -52,   52,
+        7,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,
+      -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,
+      -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,
+      -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,

-      -52,  -52,  -52,  -52,   52,  -52,   52,  -52,   52,   52,
-       52,   52,   52,   52,   52,   52,   52,   52,  -52,   52,
-      -52,  -52,  -52,  -52,   52,   52,   52,   52,   52,   52,
-       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
-       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
-       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
-       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
-       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
-       52,   52,   52,   52,  -52,   52,   52,   52
+      -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,
+      -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,
+      -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,
+      -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,
+      -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,
+      -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,
+      -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,
+      -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52,
+      -52,  -52,  -52,  -52,  -52,  -52,  -52,  -52
    },

    {
-        7,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
+        7,   53,   53,   53,   53,   53,   53,   53,   53,  -53,

-      -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
-      -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
-      -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
-      -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
-      -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
-      -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
-      -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
-      -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
-      -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
-      -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
+      -53,   53,   53,  -53,   53,   53,   53,   53,   53,   53,
+       53,   53,   53,   53,   53,   53,   53,   53,   53,   53,
+       53,   53,  -53,  -53,   53,   53,  -53,  -53,  -53,   53,
+      -53,  -53,  -53,  -53,   53,  -53,   53,  -53,   53,   53,
+       53,   53,   53,   53,   53,   53,   53,   53,  -53,   53,
+      -53,  -53,  -53,  -53,   53,   53,   53,   53,   53,   53,
+       53,   53,   53,   53,   53,   53,   53,   53,   53,   53,
+       53,   53,   53,   53,   53,   53,   53,   53,   53,   53,
+       53,   53,   53,   53,   53,   53,   53,   53,   53,   53,
+       53,   53,   53,   53,   53,   53,   53,   53,   53,   53,

-      -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
-      -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53
+       53,   53,   53,   53,   53,   53,   53,   53,   53,   53,
+       53,   53,   53,   53,  -53,   53,   53,   53
+    },
+
+    {
+        7,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,
+      -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,
+      -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,
+      -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,
+      -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,
+      -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,
+      -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,
+      -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,
+
+      -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,
+      -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,
+      -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,
+      -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,
+      -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54
+    },
+
+    {
+        7,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,
+      -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,
+      -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,
+      -55,  -55,  -55,  -55,  -55,   39,   39,  -55,  -55,   39,
+      -55,  -55,  -55,  -55,   39,  -55,   39,  -55,   55,   55,
+
+       55,   55,   55,   55,   55,   55,   55,   55,  -55,   39,
+      -55,  -55,  -55,  -55,   39,   39,   39,   39,   39,   39,
+       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,
+       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,
+       39,  -55,   39,  -55,   39,   39,  -55,   39,   39,   39,
+       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,
+       39,   39,   39,   39,   39,   39,   39,   39,   39,   39,
+       39,   39,   39,  -55,  -55,  -55,  -55,  -55
    },

    } ;
@@ -1290,24 +1324,24 @@ struct yy_trans_info
 	flex_int32_t yy_verify;
 	flex_int32_t yy_nxt;
 	};
-static yyconst flex_int16_t yy_accept[54] =
+static yyconst flex_int16_t yy_accept[56] =
    {   0,
        0,    0,    0,    0,   32,   32,   36,   35,   25,   27,
       19,   35,   29,   29,   17,    2,   22,   23,   15,   13,
       14,   16,   28,   20,    9,    3,    8,   18,    1,   35,
       31,   30,   32,   33,   33,   12,    0,   26,   29,   24,
-        5,   28,   21,   11,    6,    7,   10,    4,    0,   31,
-       30,   32,   34
+        5,   29,   28,   21,   11,    6,    7,   10,    4,    0,
+       31,   30,   32,   34,   28
    } ;

-static yyconst yy_state_type yy_NUL_trans[54] =
+static yyconst yy_state_type yy_NUL_trans[56] =
    {   0,
        8,    8,   30,   30,   33,   33,    0,    0,    0,    0,
        0,   37,    0,    0,    0,    0,    0,    0,    0,    0,
-        0,    0,    0,    0,    0,    0,    0,    0,    0,   49,
-        0,    0,   52,    0,    0,    0,   37,    0,    0,    0,
-        0,    0,    0,    0,    0,    0,    0,    0,   49,    0,
-        0,   52,    0
+        0,    0,    0,    0,    0,    0,    0,    0,    0,   50,
+        0,    0,   53,    0,    0,    0,   37,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,   50,
+        0,    0,   53,    0,    0
    } ;

 /* The intent behind this definition is that it'll catch
@@ -1344,12 +1378,29 @@ static yyconst yy_state_type yy_NUL_trans[54] =

 #include "asterisk.h"

-#ifndef STANDALONE
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-#endif
-
 #include <sys/types.h>
 #include <stdio.h>
+
+#ifndef STANDALONE
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+#else
+#ifndef __USE_ISOC99
+#define __USE_ISOC99 1
+#endif
+#endif
+
+#ifdef __USE_ISOC99
+#define FP___PRINTF "%.16Lg"
+#define FP___FMOD   fmodl
+#define FP___STRTOD  strtold
+#define FP___TYPE    long double
+#else
+#define FP___PRINTF "%.8g"
+#define FP___FMOD   fmod
+#define FP___STRTOD  strtod
+#define FP___TYPE    double
+#endif
+
 #include <stdlib.h>
 #include <string.h>
 #include <locale.h>
@@ -1368,14 +1419,14 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/strings.h"

 enum valtype {
-	AST_EXPR_integer, AST_EXPR_numeric_string, AST_EXPR_string
+	AST_EXPR_number, AST_EXPR_numeric_string, AST_EXPR_string
 } ;

 struct val {
 	enum valtype type;
 	union {
 		char *s;
-		quad_t i;
+		FP___TYPE i; /* long double or just double if it's a bad day */
 	} u;
 } ;

@@ -1411,17 +1462,19 @@ int ast_yyget_column(yyscan_t yyscanner);
 static int curlycount = 0;
 static char *expr2_token_subst(char *mess);

-#line 1415 "ast_expr2f.c"
+#line 1466 "ast_expr2f.c"

 #define INITIAL 0
 #define var 1
 #define trail 2

+#ifndef YY_NO_UNISTD_H
 /* Special case for "unistd.h", since it is non-ANSI. We include it way
 * down here because we want the user's section 1 to have been scanned first.
 * The user has a chance to override it with an option.
 */
 #include <unistd.h>
+#endif

 #ifndef YY_EXTRA_TYPE
 #define YY_EXTRA_TYPE void *
@@ -1465,6 +1518,8 @@ struct yyguts_t

    }; /* end struct yyguts_t */

+static int yy_init_globals (yyscan_t yyscanner );
+
    /* This must go here because YYSTYPE and YYLTYPE are included
     * from bison output in section 1.*/
    #    define yylval yyg->yylval_r
@@ -1599,9 +1654,11 @@ static int input (yyscan_t yyscanner );
 #ifndef YY_DECL
 #define YY_DECL_IS_OURS 1

-extern int ast_yylex (YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner);
+extern int ast_yylex \
+               (YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner);

-#define YY_DECL int ast_yylex (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner)
+#define YY_DECL int ast_yylex \
+               (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner)
 #endif /* !YY_DECL */

 /* Code executed at the beginning of each rule, after yytext and yyleng
@@ -1628,10 +1685,10 @@ YY_DECL
 	register int yy_act;
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

-#line 104 "ast_expr2.fl"
+#line 121 "ast_expr2.fl"


-#line 1635 "ast_expr2f.c"
+#line 1692 "ast_expr2f.c"

    yylval = yylval_param;

@@ -1714,122 +1771,122 @@ do_action:	/* This label is used only to access EOF actions. */

 case 1:
 YY_RULE_SETUP
-#line 106 "ast_expr2.fl"
+#line 123 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_OR;}
 	YY_BREAK
 case 2:
 YY_RULE_SETUP
-#line 107 "ast_expr2.fl"
+#line 124 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_AND;}
 	YY_BREAK
 case 3:
 YY_RULE_SETUP
-#line 108 "ast_expr2.fl"
+#line 125 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_EQ;}
 	YY_BREAK
 case 4:
 YY_RULE_SETUP
-#line 109 "ast_expr2.fl"
+#line 126 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_OR;}
 	YY_BREAK
 case 5:
 YY_RULE_SETUP
-#line 110 "ast_expr2.fl"
+#line 127 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_AND;}
 	YY_BREAK
 case 6:
 YY_RULE_SETUP
-#line 111 "ast_expr2.fl"
+#line 128 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_EQ;}
 	YY_BREAK
 case 7:
 YY_RULE_SETUP
-#line 112 "ast_expr2.fl"
+#line 129 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_EQTILDE;}
 	YY_BREAK
 case 8:
 YY_RULE_SETUP
-#line 113 "ast_expr2.fl"
+#line 130 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_GT;}
 	YY_BREAK
 case 9:
 YY_RULE_SETUP
-#line 114 "ast_expr2.fl"
+#line 131 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_LT;}
 	YY_BREAK
 case 10:
 YY_RULE_SETUP
-#line 115 "ast_expr2.fl"
+#line 132 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_GE;}
 	YY_BREAK
 case 11:
 YY_RULE_SETUP
-#line 116 "ast_expr2.fl"
+#line 133 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_LE;}
 	YY_BREAK
 case 12:
 YY_RULE_SETUP
-#line 117 "ast_expr2.fl"
+#line 134 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_NE;}
 	YY_BREAK
 case 13:
 YY_RULE_SETUP
-#line 118 "ast_expr2.fl"
+#line 135 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_PLUS;}
 	YY_BREAK
 case 14:
 YY_RULE_SETUP
-#line 119 "ast_expr2.fl"
+#line 136 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_MINUS;}
 	YY_BREAK
 case 15:
 YY_RULE_SETUP
-#line 120 "ast_expr2.fl"
+#line 137 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_MULT;}
 	YY_BREAK
 case 16:
 YY_RULE_SETUP
-#line 121 "ast_expr2.fl"
+#line 138 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_DIV;}
 	YY_BREAK
 case 17:
 YY_RULE_SETUP
-#line 122 "ast_expr2.fl"
+#line 139 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_MOD;}
 	YY_BREAK
 case 18:
 YY_RULE_SETUP
-#line 123 "ast_expr2.fl"
+#line 140 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_COND;}
 	YY_BREAK
 case 19:
 YY_RULE_SETUP
-#line 124 "ast_expr2.fl"
+#line 141 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_COMPL;}
 	YY_BREAK
 case 20:
 YY_RULE_SETUP
-#line 125 "ast_expr2.fl"
+#line 142 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_COLON;}
 	YY_BREAK
 case 21:
 YY_RULE_SETUP
-#line 126 "ast_expr2.fl"
+#line 143 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_COLONCOLON;}
 	YY_BREAK
 case 22:
 YY_RULE_SETUP
-#line 127 "ast_expr2.fl"
+#line 144 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_LP;}
 	YY_BREAK
 case 23:
 YY_RULE_SETUP
-#line 128 "ast_expr2.fl"
+#line 145 "ast_expr2.fl"
 { SET_COLUMNS; SET_STRING; return TOK_RP;}
 	YY_BREAK
 case 24:
 YY_RULE_SETUP
-#line 129 "ast_expr2.fl"
+#line 146 "ast_expr2.fl"
 {
 		/* gather the contents of ${} expressions, with trailing stuff,
 		 * into a single TOKEN.
@@ -1842,24 +1899,24 @@ YY_RULE_SETUP
 	YY_BREAK
 case 25:
 YY_RULE_SETUP
-#line 139 "ast_expr2.fl"
+#line 156 "ast_expr2.fl"
 {}
 	YY_BREAK
 case 26:
 /* rule 26 can match eol */
 YY_RULE_SETUP
-#line 140 "ast_expr2.fl"
+#line 157 "ast_expr2.fl"
 {SET_COLUMNS; SET_STRING; return TOKEN;}
 	YY_BREAK
 case 27:
 /* rule 27 can match eol */
 YY_RULE_SETUP
-#line 142 "ast_expr2.fl"
+#line 159 "ast_expr2.fl"
 {/* what to do with eol */}
 	YY_BREAK
 case 28:
 YY_RULE_SETUP
-#line 143 "ast_expr2.fl"
+#line 160 "ast_expr2.fl"
 {
 		SET_COLUMNS;
 		/* the original behavior of the expression parser was
@@ -1871,7 +1928,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 29:
 YY_RULE_SETUP
-#line 152 "ast_expr2.fl"
+#line 169 "ast_expr2.fl"
 {
 		SET_COLUMNS;
 		SET_STRING;
@@ -1881,7 +1938,7 @@ YY_RULE_SETUP
 case 30:
 /* rule 30 can match eol */
 YY_RULE_SETUP
-#line 159 "ast_expr2.fl"
+#line 176 "ast_expr2.fl"
 {
 		curlycount--;
 		if (curlycount < 0) {
@@ -1895,7 +1952,7 @@ YY_RULE_SETUP
 case 31:
 /* rule 31 can match eol */
 YY_RULE_SETUP
-#line 169 "ast_expr2.fl"
+#line 186 "ast_expr2.fl"
 {
 		curlycount++;
 		yymore();
@@ -1903,7 +1960,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 32:
 YY_RULE_SETUP
-#line 175 "ast_expr2.fl"
+#line 192 "ast_expr2.fl"
 {
 		BEGIN(0);
 		SET_COLUMNS;
@@ -1914,7 +1971,7 @@ YY_RULE_SETUP
 case 33:
 /* rule 33 can match eol */
 YY_RULE_SETUP
-#line 182 "ast_expr2.fl"
+#line 199 "ast_expr2.fl"
 {
 		char c = yytext[yyleng-1];
 		BEGIN(0);
@@ -1926,7 +1983,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 34:
 YY_RULE_SETUP
-#line 191 "ast_expr2.fl"
+#line 208 "ast_expr2.fl"
 {
 		curlycount = 0;
 		BEGIN(var);
@@ -1934,7 +1991,7 @@ YY_RULE_SETUP
 	}
 	YY_BREAK
 case YY_STATE_EOF(trail):
-#line 197 "ast_expr2.fl"
+#line 214 "ast_expr2.fl"
 {
 		BEGIN(0);
 		SET_COLUMNS;
@@ -1945,10 +2002,10 @@ case YY_STATE_EOF(trail):
 	YY_BREAK
 case 35:
 YY_RULE_SETUP
-#line 205 "ast_expr2.fl"
+#line 222 "ast_expr2.fl"
 ECHO;
 	YY_BREAK
-#line 1952 "ast_expr2f.c"
+#line 2009 "ast_expr2f.c"
 case YY_STATE_EOF(INITIAL):
 case YY_STATE_EOF(var):
 	yyterminate();
@@ -2136,7 +2193,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)

 	else
 		{
-			size_t num_to_read =
+			int num_to_read =
 			YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;

 		while ( num_to_read <= 0 )
@@ -2696,10 +2753,10 @@ YY_BUFFER_STATE ast_yy_scan_buffer  (char * base, yy_size_t  size , yyscan_t yys
 * @note If you want to scan bytes that may contain NUL values, then use
 *       ast_yy_scan_bytes() instead.
 */
-YY_BUFFER_STATE ast_yy_scan_string (yyconst char * str , yyscan_t yyscanner)
+YY_BUFFER_STATE ast_yy_scan_string (yyconst char * yy_str , yyscan_t yyscanner)
 {
    
-	return ast_yy_scan_bytes(str,strlen(str) ,yyscanner);
+	return ast_yy_scan_bytes(yy_str,strlen(yy_str) ,yyscanner);
 }

 /** Setup the input buffer state to scan the given bytes. The next call to ast_yylex() will
@@ -3081,7 +3138,7 @@ void ast_yyfree (void * ptr , yyscan_t yyscanner)
 #undef YY_DECL_IS_OURS
 #undef YY_DECL
 #endif
-#line 205 "ast_expr2.fl"
+#line 222 "ast_expr2.fl"



@@ -3116,10 +3173,10 @@ int ast_expr(char *expr, char *buf, int length)
 			return_value = 1;
 		}
 	} else {
-		if (io.val->type == AST_EXPR_integer) {
+		if (io.val->type == AST_EXPR_number) {
 			int res_length;

-			res_length = snprintf(buf, length, "%ld", (long int) io.val->u.i);
+			res_length = snprintf(buf, length, FP___PRINTF, io.val->u.i);
 			return_value = (res_length <= length) ? res_length : length;
 		} else {
 #if defined(STANDALONE) || defined(LOW_MEMORY) || defined(STANDALONE_AEL)
--- a/utils/expr2.testinput
+++ b/utils/expr2.testinput
@@ -90,3 +90,7 @@ x != x
 3
 something
 043
+2.1+4.2
+1.500003+1.4999999999999898989898989898989898989889898
+1/4
+