/**
 * This is a library of trigonmetric functions acting upon proper
 * angles and not radians. Lifted from the Risoe tascom code
 *
 * March 2005
 */
#ifndef SICSTRIGD
#define SICSTRIGD
double Sign(double d);
double Sind(double x);
double Tand(double x);
double Cotd(double x);
double Cosd(double x);
double Atand(double x);
double Atand2(double x);
double Acosd(double x);
double Asind(double x);
double Atan2d(double x, double y);
#endif