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pow_di.cpp from Oscill8 at Krugle

Show pow_di.cpp syntax highlighted

#include "auto_f2c.h"

#ifdef KR_headers
double pow_di(ap, bp) doublereal *ap; integer *bp;
#else
double pow_di(doublereal *ap, integer *bp)
#endif
{
double pow, x;
integer n;
unsigned long u;

pow = 1;
x = *ap;
n = *bp;

if(n != 0)
	{
	if(n < 0)
		{
		n = -n;
		x = 1/x;
		}
	for(u = n; ; )
		{
		if(u & 01)
			pow *= x;
		if(u >>= 1)
			x *= x;
		else
			break;
		}
	}
return(pow);
}

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Oscill8

Oscill8 is a suite of tools for analyzing dynamical systems which concentrates on understanding how the dynamical behavior depends on the parameters using bifurcation theory and reaction network theory.

Project homepage: http://sourceforge.net/projects/oscill8
Programming language(s): C,C#,C++
License: other

  cabs.cpp
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  d_sign.cpp
  i_dnnt.cpp
  i_nint.cpp
  pow_dd.cpp
  pow_di.cpp
  pow_ii.cpp
  r_lg10.cpp
  z_abs.cpp
  z_exp.cpp
  z_log.cpp