/* Returns the square of X. */
static inline double
-pow2 (double x)
+pow2 (double x)
{
return x * x;
}
/* Returns the cube of X. */
static inline double
-pow3 (double x)
+pow3 (double x)
{
return x * x * x;
}
/* Returns the fourth power of X. */
static inline double
-pow4 (double x)
+pow4 (double x)
{
double y = x * x;
y *= y;