Function blas_sys::fortran::chemv_

pub unsafe extern fn chemv_(uplo: *const c_char,
                            n: *const c_int,
                            alpha: *const c_float_complex,
                            a: *const c_float_complex,
                            lda: *const c_int,
                            x: *const c_float_complex,
                            incx: *const c_int,
                            beta: *const c_float_complex,
                            y: *mut c_float_complex,
                            incy: *const c_int)