#!/bin/rc
test -d /netlib/fdlibm || 9fs netlib
test -d /n/hati/usr/ehg || 9fs hati

echo '/* derived from /netlib/fdlibm */' > $1
if (~ $1 fdlibm.h) echo '#include "lib9.h"' >> $1

cp /netlib/fdlibm/$1 /n/hati/usr/ehg/xxx.c
rx hati 'unifdef -D__STDC__ -D_IEEE_LIBM -D_SCALB_INT -U__NEWVALID xxx.c' > xxx.c
> /n/hati/usr/ehg/xxx.c
sam -d >> $1 >[2] err <<!
e xxx.c
/extern int signgam;/,/#define	PLOSS/+d
,x/HUGE_VAL/ c/DBL_MAX/
,x/huge/ c/Huge/
w
q
!
cat xxx.c >> $1
rm xxx.c