/*  sxfbsin.cpp  by K.Tsuru  */
// function ID 5203     BRADIX(reference)
/**************************
SDecimal class
sin x by BRADIX = 32768
***************************/
#ifndef SN_H
#include "sn.h"
#endif
SDecimal Bsin(const SDouble& x){
    SDouble y;
    SDecimal r;

    int func = SIN_CALC;
    int s = GetTriCalcMethod(x, y, &func);
    if(s == 0){
        r = y.Sign(5203);   // y = -1, 0, 1
        x.upToTerm = 1;
    } else if(func == COS_CALC) r = BcosSeries(y);
    else r = BsinSeries(y);
    if(s < 0) r = -r;
    return r;
}