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* config/m32r/m32r.h (BIG_ENDIAN_BIT): Deleted to fix endian bug.
[official-gcc.git]
/
libf2c
/
libF77
/
pow_ri.c
blob
792db0c2018e811bbd7cecc24ee84cd14ed8c68d
1
#include
"f2c.h"
2
3
double
4
pow_ri
(
real
*
ap
,
integer
*
bp
)
5
{
6
double
pow
,
x
;
7
integer n
;
8
unsigned long
u
;
9
10
pow
=
1
;
11
x
= *
ap
;
12
n
= *
bp
;
13
14
if
(
n
!=
0
)
15
{
16
if
(
n
<
0
)
17
{
18
n
= -
n
;
19
x
=
1
/
x
;
20
}
21
for
(
u
=
n
;;)
22
{
23
if
(
u
&
01
)
24
pow
*=
x
;
25
if
(
u
>>=
1
)
26
x
*=
x
;
27
else
28
break
;
29
}
30
}
31
return
(
pow
);
32
}