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HEAD
syscons util remove use kbdcontrol & vidcontrol instead
[unix-history]
/
lib
/
libF77
/
pow_hh.c
#include
"f2c.h"
#ifdef KR_headers
shortint
pow_hh
(
ap
,
bp
)
shortint
*
ap
, *
bp
;
#else
shortint
pow_hh
(
shortint
*
ap
,
shortint
*
bp
)
#endif
{
shortint pow
,
x
,
n
;
x
= *
ap
;
n
= *
bp
;
if
(
n
<=
0
) {
if
(
n
==
0
||
x
==
1
)
return
1
;
if
(
x
!= -
1
)
return
x
==
0
?
1
/
x
:
0
;
n
= -
n
;
}
for
(
pow
=
1
; ; )
{
if
(
n
&
01
)
pow
*=
x
;
if
(
n
>>=
1
)
x
*=
x
;
else
break
;
}
return
(
pow
);
}