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