covertype.3

speech signal process tools

.\" Copyright (c) 1989 Entropic Speech, Inc.; All rights reserved
.\" @(#)covertype.3	1.2 1.2 ESI
.TH COVERTYPE 3\-ESPSu 30 Apr 1997
.ds ]W "\fI\s+4\ze\h'0.05'e\s-4\v'-0.4m'\fP\(*p\v'0.4m'\ Entropic Speech, Inc.
.SH NAME
cover_type \- returns data type that can contain any data from two input types
.SH SYNOPSIS
.nf
.ft B
#include <esps/esps.h>

short
cover_type(t1, t2)
short t1, t2;
.ft

.fi
.SH DESCRIPTION
.PP
For arguments \fIt1\fP and \fIt2\fP with values among the standard ESPS
FEA data types (DOUBLE, FLOAT, LONG, SHORT, BYTE, DOUBLE_CPLX,
FLOAT_CPLX, LONG_CPLX, SHORT_CPLX, BYTE_CPLX), \fIcover_type\fP
returns the data type that "covers" the input types, in the sense that
all values of the input types can be stored in the output type.  
.PP
If either of the input types is complex, the output type is also
complex; otherwise the output type is non-complex.  The underlying
output type (the type of real and imaginary parts for complex types;
the type itself for non-complex types) is the first item in the list
(DOUBLE, FLOAT, LONG, SHORT, BYTE) that matches the underlying type of
either \fIt1\fP or \fIt2\fP.
.PP
Assertion errors result if either \fIt1\fP or \fIt2\fP is not a 
valid ESPS type.  
.SH BUGS
None known.
.SH "SEE ALSO"
\fItype_convert\fP (3\-\s-1ESPS\s+1), FEA (5\-\s-1ESPS\s+1)
.SH AUTHOR
Manual page and program by John Shore.