1559     mbedtls_ecp_point RP;  in ecp_mul_mxz()  local
1562     mbedtls_ecp_point_init( &RP ); mbedtls_mpi_init( &PX );  in ecp_mul_mxz()
1566     MBEDTLS_MPI_CHK( mbedtls_ecp_copy( &RP, P ) );  in ecp_mul_mxz()
1574     MOD_ADD( RP.X );  in ecp_mul_mxz()
1578         MBEDTLS_MPI_CHK( ecp_randomize_mxz( grp, &RP, f_rng, p_rng ) );  in ecp_mul_mxz()
1592         MBEDTLS_MPI_CHK( mbedtls_mpi_safe_cond_swap( &R->X, &RP.X, b ) );  in ecp_mul_mxz()
1593         MBEDTLS_MPI_CHK( mbedtls_mpi_safe_cond_swap( &R->Z, &RP.Z, b ) );  in ecp_mul_mxz()
1594         MBEDTLS_MPI_CHK( ecp_double_add_mxz( grp, R, &RP, R, &RP, &PX ) );  in ecp_mul_mxz()
1595         MBEDTLS_MPI_CHK( mbedtls_mpi_safe_cond_swap( &R->X, &RP.X, b ) );  in ecp_mul_mxz()
1596         MBEDTLS_MPI_CHK( mbedtls_mpi_safe_cond_swap( &R->Z, &RP.Z, b ) );  in ecp_mul_mxz()
1602     mbedtls_ecp_point_free( &RP ); mbedtls_mpi_free( &PX );  in ecp_mul_mxz()