Lines Matching defs:den
199 fe25519 t, chk, num, den, den2, den4, den6;
204 fe25519_mul(&den, &num, &ge25519_ecd); /* den = dy^2 */
206 fe25519_add(&den, &r->z, &den); /* den = dy^2+1 */
208 /* Computation of sqrt(num/den) */
209 /* 1.: computation of num^((p-5)/8)*den^((7p-35)/8) = (num*den^7)^((p-5)/8) */
210 fe25519_square(&den2, &den);
214 fe25519_mul(&t, &t, &den);
217 /* 2. computation of r->x = t * num * den^3 */
219 fe25519_mul(&t, &t, &den);
220 fe25519_mul(&t, &t, &den);
221 fe25519_mul(&r->x, &t, &den);
225 fe25519_mul(&chk, &chk, &den);
231 fe25519_mul(&chk, &chk, &den);