#include "libm.h"
-static const double one = 1.0, huge = 1.0e307;
+static const double huge = 1.0e307;
double sinh(double x)
{
if (ix < 0x40360000) { /* |x|<22 */
if (ix < 0x3e300000) /* |x|<2**-28 */
/* raise inexact, return x */
- if (huge+x > one)
+ if (huge+x > 1.0)
return x;
t = expm1(fabs(x));
if (ix < 0x3ff00000)
- return h*(2.0*t - t*t/(t+one));
- return h*(t + t/(t+one));
+ return h*(2.0*t - t*t/(t+1.0));
+ return h*(t + t/(t+1.0));
}
/* |x| in [22, log(maxdouble)] return 0.5*exp(|x|) */