G1 PFC::mult(const G1& w,const Big& k)
{
G1 z;
ECn Q;
if (w.mtable!=NULL)
{ // we have precomputed values
Big e=k;
if (k<0) e=-e;
int i,j,t=w.mtbits; //MR_ROUNDUP(2*S,WINDOW_SIZE);
j=recode(e,t,WINDOW_SIZE,t-1);
z.g=w.mtable[j];
for (i=t-2;i>=0;i--)
{
j=recode(e,t,WINDOW_SIZE,i);
z.g+=z.g;
if (j>0) z.g+=w.mtable[j];
}
if (k<0) z.g=-z.g;
}
else
{
Big u[2];
Q=w.g;
glv(k,*ord,W,SB,u);
endomorph(Q,*Beta);
Q=mul(u[0],w.g,u[1],Q);
z.g=Q;
}
return z;
}
bool GLVInputControl::keyToGLV(const al::Keyboard& k, bool down){
down ? glv().setKeyDown(k.key()) : glv().setKeyUp(k.key());
const_cast<glv::Keyboard*>(&glv().keyboard())->alt(k.alt());
const_cast<glv::Keyboard*>(&glv().keyboard())->caps(k.caps());
const_cast<glv::Keyboard*>(&glv().keyboard())->ctrl(k.ctrl());
const_cast<glv::Keyboard*>(&glv().keyboard())->meta(k.meta());
const_cast<glv::Keyboard*>(&glv().keyboard())->shift(k.shift());
return glv().propagateEvent();
}
/* Multiply P by e in group G1 */
void PAIR_G1mul(ECP *P,BIG e)
{
#ifdef USE_GLV /* Note this method is patented */
int i,np,nn;
ECP Q;
BIG cru,t,q;
BIG u[2];
BIG_rcopy(q,CURVE_Order);
glv(u,e);
ECP_affine(P);
ECP_copy(&Q,P);
BIG_rcopy(cru,CURVE_Cru);
FP_nres(cru);
FP_mul(Q.x,Q.x,cru);
/* note that -a.B = a.(-B). Use a or -a depending on which is smaller */
np=BIG_nbits(u[0]);
BIG_modneg(t,u[0],q);
nn=BIG_nbits(t);
if (nn<np)
{
BIG_copy(u[0],t);
ECP_neg(P);
}
np=BIG_nbits(u[1]);
BIG_modneg(t,u[1],q);
nn=BIG_nbits(t);
if (nn<np)
{
BIG_copy(u[1],t);
ECP_neg(&Q);
}
ECP_mul2(P,&Q,u[0],u[1]);
#else
ECP_mul(P,e);
#endif
}
bool GLVWindowControl::onResize(int dw, int dh){
glv().extent(glv().width() + dw, glv().height() + dh);
//printf("GLVWindowControl onResize: %d %d %f %f\n", dw, dh, glv().width(), glv().height());
glv().broadcastEvent(glv::Event::WindowResize);
return true;
}
bool GLVInputControl::onMouseDown(const Mouse& m){
glv::space_t xrel=m.x(), yrel=m.y();
glv().setMouseDown(xrel,yrel, m.button(), 0);
glv().setMousePos(m.x(), m.y(), xrel, yrel);
return !glv().propagateEvent();
}
bool GLVWindowControl::onDestroy(){
glv().broadcastEvent(glv::Event::WindowDestroy);
return true;
}
bool GLVWindowControl::onCreate(){
glv().broadcastEvent(glv::Event::WindowCreate);
return true;
}
