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/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
*/
#define import_spp
#define import_knames
#include <iraf.h>
/* ACHTU_ -- Unpack an unsigned short integer array into an SPP datatype.
* [MACHDEP]: The underscore appended to the procedure name is OS dependent.
*/
void
ACHTUD (
XUSHORT *a,
XDOUBLE *b,
XINT *npix
)
{
register XUSHORT *ip;
register XDOUBLE *op;
register int n = *npix;
if (sizeof(*op) >= sizeof(*ip)) {
for (ip = &a[n], op = &b[n]; ip > a; )
*--op = *--ip;
} else {
for (ip=a, op=b; --n >= 0; )
*op++ = *ip++;
}
}
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