pub unsafe extern "C" fn THDoubleTensor_match(
r_: *mut THDoubleTensor,
m1: *mut THDoubleTensor,
m2: *mut THDoubleTensor,
gain: f64,
)pub unsafe extern "C" fn THDoubleTensor_match(
r_: *mut THDoubleTensor,
m1: *mut THDoubleTensor,
m2: *mut THDoubleTensor,
gain: f64,
)