blas_sys::fortran::cgemv_

pub unsafe extern fn cgemv_(trans: *const c_char, m: *const c_int, 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)