#[repr(C)]
pub struct RootFunctionFdf {
pub f: Option<extern "C" fn(_: c_double, _: *mut c_void) -> c_double>,
pub df: Option<extern "C" fn(_: c_double, _: *mut c_void) -> c_double>,
pub fdf: Option<extern "C" fn(_: c_double, _: *mut c_void, _: &mut c_double, _: &mut c_double)>,
pub params: *mut c_void,
}
Fields
f: Option<extern "C" fn(_: c_double, _: *mut c_void) -> c_double>
df: Option<extern "C" fn(_: c_double, _: *mut c_void) -> c_double>
fdf: Option<extern "C" fn(_: c_double, _: *mut c_void, _: &mut c_double, _: &mut c_double)>
params: *mut c_void