
//-------WӋ㺯------//
function PI(){///Ƕ
  return Math.PI;
}

function sin(x){///
  return Math.sin(x);
}

function cos(x){///N
  return Math.cos(x);
}

function abs(x){///^ֵ
  return Math.abs(x);
}

function floor(x){///ȥСݣȡ磺11.25ֻȡ11
  return Math.floor(x);
}

function round(x){///Сnλ磺11.205
  return Math.round(x);
}

function tail(x){///ȡСֻСݣ磺11.25ֻȡ0.25
  return x-floor(x);
}
function rem(x,w){  //Vx
  return tail(x/w)*w;
}
function nnr(x,w){  //Ǹ
  if(x<0){
    x+=(-x*w);
  }
  return x%w;	
}
function ang(x,t,c1,t0,t2,t3){/////ǶӋ㺯
  return tail(c1*x)*2*PI()+t0-t2*t*t-t3*t*t*t;
}
function gzs(v){//֧-=0ҳ=1ﺥ=59
  var v1=v;if(v<1)v1=v+600;
  var s=(v1+49)%60;
  return s;
}
function gan(x){//ɔ
  return x%10;
}
function zhi(x){//֧
  return x%12;
}