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

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@49076 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2006-12-31 05:20:18 +00:00
parent 94d71436ec
commit ee8b36228a
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 <stdlib.h>
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <math.h>
#include <sys/types.h> #include <sys/types.h>
#include "asterisk/module.h" #include "asterisk/module.h"
@@ -47,6 +48,9 @@ enum TypeOfFunctions {
MULTIPLYFUNCTION, MULTIPLYFUNCTION,
SUBTRACTFUNCTION, SUBTRACTFUNCTION,
MODULUSFUNCTION, MODULUSFUNCTION,
POWFUNCTION,
SHLEFTFUNCTION,
SHRIGHTFUNCTION,
GTFUNCTION, GTFUNCTION,
LTFUNCTION, LTFUNCTION,
GTEFUNCTION, GTEFUNCTION,
@@ -105,12 +109,18 @@ static int math(struct ast_channel *chan, char *cmd, char *parse,
} else if ((op = strchr(mvalue1, '%'))) { } else if ((op = strchr(mvalue1, '%'))) {
iaction = MODULUSFUNCTION; iaction = MODULUSFUNCTION;
*op = '\0'; *op = '\0';
} else if ((op = strchr(mvalue1, '^'))) {
iaction = POWFUNCTION;
*op = '\0';
} else if ((op = strchr(mvalue1, '>'))) { } else if ((op = strchr(mvalue1, '>'))) {
iaction = GTFUNCTION; iaction = GTFUNCTION;
*op = '\0'; *op = '\0';
if (*(op + 1) == '=') { if (*(op + 1) == '=') {
*++op = '\0'; *++op = '\0';
iaction = GTEFUNCTION; iaction = GTEFUNCTION;
} else if (*(op + 1) == '>') {
*++op = '\0';
iaction = SHRIGHTFUNCTION;
} }
} else if ((op = strchr(mvalue1, '<'))) { } else if ((op = strchr(mvalue1, '<'))) {
iaction = LTFUNCTION; iaction = LTFUNCTION;
@@ -118,6 +128,9 @@ static int math(struct ast_channel *chan, char *cmd, char *parse,
if (*(op + 1) == '=') { if (*(op + 1) == '=') {
*++op = '\0'; *++op = '\0';
iaction = LTEFUNCTION; iaction = LTEFUNCTION;
} else if (*(op + 1) == '<') {
*++op = '\0';
iaction = SHLEFTFUNCTION;
} }
} else if ((op = strchr(mvalue1, '='))) { } else if ((op = strchr(mvalue1, '='))) {
*op = '\0'; *op = '\0';
@@ -192,6 +205,25 @@ static int math(struct ast_channel *chan, char *cmd, char *parse,
ftmp = (inum1 % inum2); 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; break;
} }
case GTFUNCTION: case GTFUNCTION: