1068 static void ecc_point_double_jacobian(u64 *x1, u64 *y1, u64 *z1,  in ecc_point_double_jacobian()  argument
1077 	if (vli_is_zero(z1, ndigits))  in ecc_point_double_jacobian()
1086 	/* t2 = y1*z1 = z3 */  in ecc_point_double_jacobian()
1087 	vli_mod_mult_fast(y1, y1, z1, curve);  in ecc_point_double_jacobian()
1088 	/* t3 = z1^2 */  in ecc_point_double_jacobian()
1089 	vli_mod_square_fast(z1, z1, curve);  in ecc_point_double_jacobian()
1091 	/* t1 = x1 + z1^2 */  in ecc_point_double_jacobian()
1092 	vli_mod_add(x1, x1, z1, curve_prime, ndigits);  in ecc_point_double_jacobian()
1093 	/* t3 = 2*z1^2 */  in ecc_point_double_jacobian()
1094 	vli_mod_add(z1, z1, z1, curve_prime, ndigits);  in ecc_point_double_jacobian()
1095 	/* t3 = x1 - z1^2 */  in ecc_point_double_jacobian()
1096 	vli_mod_sub(z1, x1, z1, curve_prime, ndigits);  in ecc_point_double_jacobian()
1097 	/* t1 = x1^2 - z1^4 */  in ecc_point_double_jacobian()
1098 	vli_mod_mult_fast(x1, x1, z1, curve);  in ecc_point_double_jacobian()
1100 	/* t3 = 2*(x1^2 - z1^4) */  in ecc_point_double_jacobian()
1101 	vli_mod_add(z1, x1, x1, curve_prime, ndigits);  in ecc_point_double_jacobian()
1102 	/* t1 = 3*(x1^2 - z1^4) */  in ecc_point_double_jacobian()
1103 	vli_mod_add(x1, x1, z1, curve_prime, ndigits);  in ecc_point_double_jacobian()
1112 	/* t1 = 3/2*(x1^2 - z1^4) = B */  in ecc_point_double_jacobian()
1115 	vli_mod_square_fast(z1, x1, curve);  in ecc_point_double_jacobian()
1117 	vli_mod_sub(z1, z1, t5, curve_prime, ndigits);  in ecc_point_double_jacobian()
1119 	vli_mod_sub(z1, z1, t5, curve_prime, ndigits);  in ecc_point_double_jacobian()
1121 	vli_mod_sub(t5, t5, z1, curve_prime, ndigits);  in ecc_point_double_jacobian()
1127 	vli_set(x1, z1, ndigits);  in ecc_point_double_jacobian()
1128 	vli_set(z1, y1, ndigits);  in ecc_point_double_jacobian()