1080 static void ecc_point_double_jacobian(u64 *x1, u64 *y1, u64 *z1,  in ecc_point_double_jacobian()  argument
1089 	if (vli_is_zero(z1, ndigits))  in ecc_point_double_jacobian()
1098 	/* t2 = y1*z1 = z3 */  in ecc_point_double_jacobian()
1099 	vli_mod_mult_fast(y1, y1, z1, curve);  in ecc_point_double_jacobian()
1100 	/* t3 = z1^2 */  in ecc_point_double_jacobian()
1101 	vli_mod_square_fast(z1, z1, curve);  in ecc_point_double_jacobian()
1103 	/* t1 = x1 + z1^2 */  in ecc_point_double_jacobian()
1104 	vli_mod_add(x1, x1, z1, curve_prime, ndigits);  in ecc_point_double_jacobian()
1105 	/* t3 = 2*z1^2 */  in ecc_point_double_jacobian()
1106 	vli_mod_add(z1, z1, z1, curve_prime, ndigits);  in ecc_point_double_jacobian()
1107 	/* t3 = x1 - z1^2 */  in ecc_point_double_jacobian()
1108 	vli_mod_sub(z1, x1, z1, curve_prime, ndigits);  in ecc_point_double_jacobian()
1109 	/* t1 = x1^2 - z1^4 */  in ecc_point_double_jacobian()
1110 	vli_mod_mult_fast(x1, x1, z1, curve);  in ecc_point_double_jacobian()
1112 	/* t3 = 2*(x1^2 - z1^4) */  in ecc_point_double_jacobian()
1113 	vli_mod_add(z1, x1, x1, curve_prime, ndigits);  in ecc_point_double_jacobian()
1114 	/* t1 = 3*(x1^2 - z1^4) */  in ecc_point_double_jacobian()
1115 	vli_mod_add(x1, x1, z1, curve_prime, ndigits);  in ecc_point_double_jacobian()
1124 	/* t1 = 3/2*(x1^2 - z1^4) = B */  in ecc_point_double_jacobian()
1127 	vli_mod_square_fast(z1, x1, curve);  in ecc_point_double_jacobian()
1129 	vli_mod_sub(z1, z1, t5, curve_prime, ndigits);  in ecc_point_double_jacobian()
1131 	vli_mod_sub(z1, z1, t5, curve_prime, ndigits);  in ecc_point_double_jacobian()
1133 	vli_mod_sub(t5, t5, z1, curve_prime, ndigits);  in ecc_point_double_jacobian()
1139 	vli_set(x1, z1, ndigits);  in ecc_point_double_jacobian()
1140 	vli_set(z1, y1, ndigits);  in ecc_point_double_jacobian()