fe25519_square
/* 2 */ fe25519_square(&z2,x);
/* 4 */ fe25519_square(&t1,&z2);
/* 8 */ fe25519_square(&t0,&t1);
/* 22 */ fe25519_square(&t0,&z11);
/* 2^6 - 2^1 */ fe25519_square(&t0,&z2_5_0);
/* 2^7 - 2^2 */ fe25519_square(&t1,&t0);
/* 2^8 - 2^3 */ fe25519_square(&t0,&t1);
/* 2^9 - 2^4 */ fe25519_square(&t1,&t0);
/* 2^10 - 2^5 */ fe25519_square(&t0,&t1);
/* 2^11 - 2^1 */ fe25519_square(&t0,&z2_10_0);
/* 2^12 - 2^2 */ fe25519_square(&t1,&t0);
/* 2^20 - 2^10 */ for (i = 2;i < 10;i += 2) { fe25519_square(&t0,&t1); fe25519_square(&t1,&t0); }
/* 2^21 - 2^1 */ fe25519_square(&t0,&z2_20_0);
/* 2^22 - 2^2 */ fe25519_square(&t1,&t0);
/* 2^40 - 2^20 */ for (i = 2;i < 20;i += 2) { fe25519_square(&t0,&t1); fe25519_square(&t1,&t0); }
/* 2^41 - 2^1 */ fe25519_square(&t1,&t0);
/* 2^42 - 2^2 */ fe25519_square(&t0,&t1);
/* 2^50 - 2^10 */ for (i = 2;i < 10;i += 2) { fe25519_square(&t1,&t0); fe25519_square(&t0,&t1); }
/* 2^51 - 2^1 */ fe25519_square(&t0,&z2_50_0);
/* 2^52 - 2^2 */ fe25519_square(&t1,&t0);
/* 2^100 - 2^50 */ for (i = 2;i < 50;i += 2) { fe25519_square(&t0,&t1); fe25519_square(&t1,&t0); }
/* 2^101 - 2^1 */ fe25519_square(&t1,&z2_100_0);
/* 2^102 - 2^2 */ fe25519_square(&t0,&t1);
/* 2^200 - 2^100 */ for (i = 2;i < 100;i += 2) { fe25519_square(&t1,&t0); fe25519_square(&t0,&t1); }
/* 2^201 - 2^1 */ fe25519_square(&t0,&t1);
/* 2^202 - 2^2 */ fe25519_square(&t1,&t0);
/* 2^250 - 2^50 */ for (i = 2;i < 50;i += 2) { fe25519_square(&t0,&t1); fe25519_square(&t1,&t0); }
/* 2^251 - 2^1 */ fe25519_square(&t1,&t0);
/* 2^252 - 2^2 */ fe25519_square(&t0,&t1);
/* 2^253 - 2^3 */ fe25519_square(&t1,&t0);
/* 2^254 - 2^4 */ fe25519_square(&t0,&t1);
/* 2^255 - 2^5 */ fe25519_square(&t1,&t0);
/* 2 */ fe25519_square(&z2,x);
/* 4 */ fe25519_square(&t,&z2);
/* 8 */ fe25519_square(&t,&t);
/* 22 */ fe25519_square(&t,&z11);
/* 2^6 - 2^1 */ fe25519_square(&t,&z2_5_0);
/* 2^10 - 2^5 */ for (i = 1;i < 5;i++) { fe25519_square(&t,&t); }
/* 2^11 - 2^1 */ fe25519_square(&t,&z2_10_0);
/* 2^20 - 2^10 */ for (i = 1;i < 10;i++) { fe25519_square(&t,&t); }
/* 2^21 - 2^1 */ fe25519_square(&t,&z2_20_0);
/* 2^40 - 2^20 */ for (i = 1;i < 20;i++) { fe25519_square(&t,&t); }
/* 2^41 - 2^1 */ fe25519_square(&t,&t);
/* 2^50 - 2^10 */ for (i = 1;i < 10;i++) { fe25519_square(&t,&t); }
/* 2^51 - 2^1 */ fe25519_square(&t,&z2_50_0);
/* 2^100 - 2^50 */ for (i = 1;i < 50;i++) { fe25519_square(&t,&t); }
/* 2^101 - 2^1 */ fe25519_square(&t,&z2_100_0);
/* 2^200 - 2^100 */ for (i = 1;i < 100;i++) { fe25519_square(&t,&t); }
/* 2^201 - 2^1 */ fe25519_square(&t,&t);
/* 2^250 - 2^50 */ for (i = 1;i < 50;i++) { fe25519_square(&t,&t); }
/* 2^251 - 2^1 */ fe25519_square(&t,&t);
/* 2^252 - 2^2 */ fe25519_square(&t,&t);
void fe25519_square(fe25519 *r, const fe25519 *x);
fe25519_square(&a, &p->x);
fe25519_square(&b, &p->y);
fe25519_square(&c, &p->z);
fe25519_square(&r->x, &r->x);
fe25519_square(&num, &r->y); /* x = y^2 */
fe25519_square(&den2, &den);
fe25519_square(&den4, &den2);
fe25519_square(&chk, &r->x);
fe25519_square(&chk, &r->x);
static void fe25519_square(fe25519 *r, const fe25519 *x);
fe25519_square(&a, &p->x);
fe25519_square(&b, &p->y);
fe25519_square(&c, &p->z);
fe25519_square(&r->x, &r->x);
fe25519_square(&num, &r->y); /* x = y^2 */
fe25519_square(&den2, &den);
fe25519_square(&den4, &den2);
fe25519_square(&chk, &r->x);
fe25519_square(&chk, &r->x);
/* 2 */ fe25519_square(&z2,x);
/* 4 */ fe25519_square(&t1,&z2);
/* 8 */ fe25519_square(&t0,&t1);
/* 22 */ fe25519_square(&t0,&z11);
/* 2^6 - 2^1 */ fe25519_square(&t0,&z2_5_0);
/* 2^7 - 2^2 */ fe25519_square(&t1,&t0);
/* 2^8 - 2^3 */ fe25519_square(&t0,&t1);
/* 2^9 - 2^4 */ fe25519_square(&t1,&t0);
/* 2^10 - 2^5 */ fe25519_square(&t0,&t1);
/* 2^11 - 2^1 */ fe25519_square(&t0,&z2_10_0);
/* 2^12 - 2^2 */ fe25519_square(&t1,&t0);
/* 2^20 - 2^10 */ for (i = 2;i < 10;i += 2) { fe25519_square(&t0,&t1); fe25519_square(&t1,&t0); }
/* 2^21 - 2^1 */ fe25519_square(&t0,&z2_20_0);
/* 2^22 - 2^2 */ fe25519_square(&t1,&t0);
/* 2^40 - 2^20 */ for (i = 2;i < 20;i += 2) { fe25519_square(&t0,&t1); fe25519_square(&t1,&t0); }
/* 2^41 - 2^1 */ fe25519_square(&t1,&t0);
/* 2^42 - 2^2 */ fe25519_square(&t0,&t1);
/* 2^50 - 2^10 */ for (i = 2;i < 10;i += 2) { fe25519_square(&t1,&t0); fe25519_square(&t0,&t1); }
/* 2^51 - 2^1 */ fe25519_square(&t0,&z2_50_0);
/* 2^52 - 2^2 */ fe25519_square(&t1,&t0);
/* 2^100 - 2^50 */ for (i = 2;i < 50;i += 2) { fe25519_square(&t0,&t1); fe25519_square(&t1,&t0); }
/* 2^101 - 2^1 */ fe25519_square(&t1,&z2_100_0);
/* 2^102 - 2^2 */ fe25519_square(&t0,&t1);
/* 2^200 - 2^100 */ for (i = 2;i < 100;i += 2) { fe25519_square(&t1,&t0); fe25519_square(&t0,&t1); }
/* 2^201 - 2^1 */ fe25519_square(&t0,&t1);
/* 2^202 - 2^2 */ fe25519_square(&t1,&t0);
/* 2^250 - 2^50 */ for (i = 2;i < 50;i += 2) { fe25519_square(&t0,&t1); fe25519_square(&t1,&t0); }
/* 2^251 - 2^1 */ fe25519_square(&t1,&t0);
/* 2^252 - 2^2 */ fe25519_square(&t0,&t1);
/* 2^253 - 2^3 */ fe25519_square(&t1,&t0);
/* 2^254 - 2^4 */ fe25519_square(&t0,&t1);
/* 2^255 - 2^5 */ fe25519_square(&t1,&t0);
/* 2 */ fe25519_square(&z2,x);
/* 4 */ fe25519_square(&t,&z2);
/* 8 */ fe25519_square(&t,&t);
/* 22 */ fe25519_square(&t,&z11);
/* 2^6 - 2^1 */ fe25519_square(&t,&z2_5_0);
/* 2^10 - 2^5 */ for (i = 1;i < 5;i++) { fe25519_square(&t,&t); }
/* 2^11 - 2^1 */ fe25519_square(&t,&z2_10_0);
/* 2^20 - 2^10 */ for (i = 1;i < 10;i++) { fe25519_square(&t,&t); }
/* 2^21 - 2^1 */ fe25519_square(&t,&z2_20_0);
/* 2^40 - 2^20 */ for (i = 1;i < 20;i++) { fe25519_square(&t,&t); }
/* 2^41 - 2^1 */ fe25519_square(&t,&t);
/* 2^50 - 2^10 */ for (i = 1;i < 10;i++) { fe25519_square(&t,&t); }
/* 2^51 - 2^1 */ fe25519_square(&t,&z2_50_0);
/* 2^100 - 2^50 */ for (i = 1;i < 50;i++) { fe25519_square(&t,&t); }
/* 2^101 - 2^1 */ fe25519_square(&t,&z2_100_0);
/* 2^200 - 2^100 */ for (i = 1;i < 100;i++) { fe25519_square(&t,&t); }
/* 2^201 - 2^1 */ fe25519_square(&t,&t);
/* 2^250 - 2^50 */ for (i = 1;i < 50;i++) { fe25519_square(&t,&t); }
/* 2^251 - 2^1 */ fe25519_square(&t,&t);
/* 2^252 - 2^2 */ fe25519_square(&t,&t);