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/*
$Log$
Revision 1.8 2000/01/05 08:20:39 markster
Version 0.1.9 from FTP
Revision 1.2 2000/01/05 08:20:39 markster
Some OSS fixes and a few lpc changes to make it actually work
* Revision 1.1 1996/08/19 22:32:10 jaf
* Initial revision
*
*/
/*
* f2clib.c
*
* SCCS ID: @(#)f2clib.c 1.2 96/05/19
*/
#include "f2c.h"
#ifdef KR_headers
integer pow_ii(ap, bp) integer *ap, *bp;
#else
integer pow_ii(integer *ap, integer *bp)
#endif
{
integer pow, x, n;
unsigned long u;
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;
}
u = n;
for(pow = 1; ; )
{
if(u & 01)
pow *= x;
if(u >>= 1)
x *= x;
else
break;
}
return(pow);
}
#ifdef KR_headers
double r_sign(a,b) real *a, *b;
#else
double r_sign(real *a, real *b)
#endif
{
double x;
x = (*a >= 0 ? *a : - *a);
return( *b >= 0 ? x : -x);
}
#ifdef KR_headers
double floor();
integer i_nint(x) real *x;
#else
#undef abs
#include "math.h"
integer i_nint(real *x)
#endif
{
return( (*x)>=0 ?
floor(*x + .5) : -floor(.5 - *x) );
}
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