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Add power and right/left shift functions (Issue 7959) 

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@49076 f38db490-d61c-443f-a65b-d21fe96a405b
This commit is contained in:
tilghman 2006-12-31 05:20:18 +00:00
parent 3ad2a81a5d
commit 7f7f1f6096
1 changed files with 32 additions and 0 deletions
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32
funcs/func_math.c
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@ -31,6 +31,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <sys/types.h>
#include "asterisk/module.h"
@ -47,6 +48,9 @@ enum TypeOfFunctions {
MULTIPLYFUNCTION,
SUBTRACTFUNCTION,
MODULUSFUNCTION,
POWFUNCTION,
SHLEFTFUNCTION,
SHRIGHTFUNCTION,
GTFUNCTION,
LTFUNCTION,
GTEFUNCTION,
@ -105,12 +109,18 @@ static int math(struct ast_channel *chan, char *cmd, char *parse,
} else if ((op = strchr(mvalue1, '%'))) {
iaction = MODULUSFUNCTION;
*op = '\0';
} else if ((op = strchr(mvalue1, '^'))) {
iaction = POWFUNCTION;
*op = '\0';
} else if ((op = strchr(mvalue1, '>'))) {
iaction = GTFUNCTION;
*op = '\0';
if (*(op + 1) == '=') {
*++op = '\0';
iaction = GTEFUNCTION;
} else if (*(op + 1) == '>') {
*++op = '\0';
iaction = SHRIGHTFUNCTION;
}
} else if ((op = strchr(mvalue1, '<'))) {
iaction = LTFUNCTION;
@ -118,6 +128,9 @@ static int math(struct ast_channel *chan, char *cmd, char *parse,
if (*(op + 1) == '=') {
*++op = '\0';
iaction = LTEFUNCTION;
} else if (*(op + 1) == '<') {
*++op = '\0';
iaction = SHLEFTFUNCTION;
}
} else if ((op = strchr(mvalue1, '='))) {
*op = '\0';
@ -192,6 +205,25 @@ static int math(struct ast_channel *chan, char *cmd, char *parse,
ftmp = (inum1 % inum2);
break;
}
case POWFUNCTION:
ftmp = pow(fnum1, fnum2);
break;
case SHLEFTFUNCTION:
{
int inum1 = fnum1;
int inum2 = fnum2;
ftmp = (inum1 << inum2);
break;
}
case SHRIGHTFUNCTION:
{
int inum1 = fnum1;
int inum2 = fnum2;
ftmp = (inum1 >> inum2);
break;
}
case GTFUNCTION: