secp256k1GeTableSetGlobalz static method
Implementation
static void secp256k1GeTableSetGlobalz(
int len, List<Secp256k1Ge> a, List<Secp256k1Fe> zr) {
int i;
Secp256k1Fe zs = Secp256k1Fe();
if (len > 0) {
i = len - 1;
/// Ensure all y values are in weak normal form for fast negation of points
secp256k1FeNormalizeWeak(a[i].y);
zs = zr[i].clone();
/// Work our way backwards, using the z-ratios to scale the x/y values.
while (i > 0) {
if (i != len - 1) {
secp256k1FeMul(zs, zs, zr[i]);
}
i--;
secp256k1GeSetGeZinv(a[i], a[i], zs);
}
}
}