-rw-r--r-- 225 lib25519-20220726/crypto_sign/ed25519/ref10/ge_tobytes.c raw
#include "ge.h" void ge_tobytes(unsigned char *s,const ge_p2 *h) { fe recip; fe x; fe y; fe_invert(recip,h->Z); fe_mul(x,h->X,recip); fe_mul(y,h->Y,recip); fe_tobytes(s,y); s[31] ^= fe_isnegative(x) << 7; }