.\"Copyright 2010 (c) EPFL
.TH RTF_GET_TYPE 3 2010 "EPFL" "rtfilter library"
.SH NAME
rtf_get_type - Gets the input or output data type of a filter
.SH SYNOPSIS
.LP
.B #include <rtfilter.h>
.sp
.BI "int rtf_get_type(hfilter filt, int in);"
.br
.SH DESCRIPTION
.LP
This function returns the data type of the input or output of the filter
\fIfilt\fP depending on \fIin\fP. If \fIin\fP is zero, then the returned
type is the output data type. If \fIin\fP is non-zero, the function
returns the input data type of the filter.
.LP
In case of the success, the returned type will be one of the constants
(\fBRTF_FLOAT\fP, \fBRTF_DOUBLE\fP, \fBRTF_CFLOAT\fP or \fBRTF_CDOUBLE\fP)
defined in the man page of \fBrtf_create_filter\fP(3).
.SH "RETURN VALUE"
.LP
Returns the requested data type in case of success, -1 otherwise.
.SH "SEE ALSO"
.BR rtf_create_filter (3)