Fix nalgebra-lapack.

Since nalgebra-lapack can only be used with f32 and f64, it is OK to just call `.assume_init()`.

nalgebra-lapack/src/eigen.rs

@@ -78,9 +78,9 @@ where
 
         let lda = n as i32;
 
-        let mut wr = unsafe { Matrix::new_uninitialized_generic(nrows, U1) };
+        let mut wr = unsafe { Matrix::new_uninitialized_generic(nrows, U1).assume_init() };
         // TODO: Tap into the workspace.
-        let mut wi = unsafe { Matrix::new_uninitialized_generic(nrows, U1) };
+        let mut wi = unsafe { Matrix::new_uninitialized_generic(nrows, U1).assume_init() };
 
         let mut info = 0;
         let mut placeholder1 = [N::zero()];
@@ -107,8 +107,10 @@ where
 
         match (left_eigenvectors, eigenvectors) {
             (true, true) => {
-                let mut vl = unsafe { Matrix::new_uninitialized_generic(nrows, ncols) };
+                let mut vl =
-                let mut vr = unsafe { Matrix::new_uninitialized_generic(nrows, ncols) };
+                    unsafe { Matrix::new_uninitialized_generic(nrows, ncols).assume_init() };
+                let mut vr =
+                    unsafe { Matrix::new_uninitialized_generic(nrows, ncols).assume_init() };
 
                 N::xgeev(
                     ljob,
@@ -137,7 +139,8 @@ where
                 }
             }
             (true, false) => {
-                let mut vl = unsafe { Matrix::new_uninitialized_generic(nrows, ncols) };
+                let mut vl =
+                    unsafe { Matrix::new_uninitialized_generic(nrows, ncols).assume_init() };
 
                 N::xgeev(
                     ljob,
@@ -166,7 +169,8 @@ where
                 }
             }
             (false, true) => {
-                let mut vr = unsafe { Matrix::new_uninitialized_generic(nrows, ncols) };
+                let mut vr =
+                    unsafe { Matrix::new_uninitialized_generic(nrows, ncols).assume_init() };
 
                 N::xgeev(
                     ljob,
@@ -243,8 +247,8 @@ where
 
         let lda = n as i32;
 
-        let mut wr = unsafe { Matrix::new_uninitialized_generic(nrows, U1) };
+        let mut wr = unsafe { Matrix::new_uninitialized_generic(nrows, U1).assume_init() };
-        let mut wi = unsafe { Matrix::new_uninitialized_generic(nrows, U1) };
+        let mut wi = unsafe { Matrix::new_uninitialized_generic(nrows, U1).assume_init() };
 
         let mut info = 0;
         let mut placeholder1 = [N::zero()];
@@ -287,7 +291,7 @@ where
         );
         lapack_panic!(info);
 
-        let mut res = unsafe { Matrix::new_uninitialized_generic(nrows, U1) };
+        let mut res = unsafe { Matrix::new_uninitialized_generic(nrows, U1).assume_init() };
 
         for i in 0..res.len() {
             res[i] = Complex::new(wr[i], wi[i]);

nalgebra-lapack/src/hessenberg.rs

@@ -60,7 +60,7 @@ where
             "Unable to compute the hessenberg decomposition of an empty matrix."
         );
 
-        let mut tau = unsafe { Matrix::new_uninitialized_generic(nrows.sub(U1), U1) };
+        let mut tau = unsafe { Matrix::new_uninitialized_generic(nrows.sub(U1), U1).assume_init() };
 
         let mut info = 0;
         let lwork =

nalgebra-lapack/src/qr.rs

@@ -57,7 +57,8 @@ where
         let (nrows, ncols) = m.data.shape();
 
         let mut info = 0;
-        let mut tau = unsafe { Matrix::new_uninitialized_generic(nrows.min(ncols), U1) };
+        let mut tau =
+            unsafe { Matrix::new_uninitialized_generic(nrows.min(ncols), U1).assume_init() };
 
         if nrows.value() == 0 || ncols.value() == 0 {
             return Self { qr: m, tau: tau };

nalgebra-lapack/src/schur.rs

@@ -78,9 +78,9 @@ where
 
         let mut info = 0;
 
-        let mut wr = unsafe { Matrix::new_uninitialized_generic(nrows, U1) };
+        let mut wr = unsafe { Matrix::new_uninitialized_generic(nrows, U1).assume_init() };
-        let mut wi = unsafe { Matrix::new_uninitialized_generic(nrows, U1) };
+        let mut wi = unsafe { Matrix::new_uninitialized_generic(nrows, U1).assume_init() };
-        let mut q = unsafe { Matrix::new_uninitialized_generic(nrows, ncols) };
+        let mut q = unsafe { Matrix::new_uninitialized_generic(nrows, ncols).assume_init() };
         // Placeholders:
         let mut bwork = [0i32];
         let mut unused = 0;
@@ -151,7 +151,8 @@ where
     where
         DefaultAllocator: Allocator<Complex<N>, D>,
     {
-        let mut out = unsafe { VectorN::new_uninitialized_generic(self.t.data.shape().0, U1) };
+        let mut out =
+            unsafe { VectorN::new_uninitialized_generic(self.t.data.shape().0, U1).assume_init() };
 
         for i in 0..out.len() {
             out[i] = Complex::new(self.re[i], self.im[i])

nalgebra-lapack/src/svd.rs

@@ -99,9 +99,9 @@ macro_rules! svd_impl(
 
                 let lda = nrows.value() as i32;
 
-                let mut u  = unsafe { Matrix::new_uninitialized_generic(nrows, nrows) };
+                let mut u  = unsafe { Matrix::new_uninitialized_generic(nrows, nrows).assume_init() };
-                let mut s  = unsafe { Matrix::new_uninitialized_generic(nrows.min(ncols), U1) };
+                let mut s  = unsafe { Matrix::new_uninitialized_generic(nrows.min(ncols), U1).assume_init() };
-                let mut vt = unsafe { Matrix::new_uninitialized_generic(ncols, ncols) };
+                let mut vt = unsafe { Matrix::new_uninitialized_generic(ncols, ncols).assume_init() };
 
                 let ldu  = nrows.value();
                 let ldvt = ncols.value();

nalgebra-lapack/src/symmetric_eigen.rs

@@ -94,7 +94,7 @@ where
 
         let lda = n as i32;
 
-        let mut values = unsafe { Matrix::new_uninitialized_generic(nrows, U1) };
+        let mut values = unsafe { Matrix::new_uninitialized_generic(nrows, U1).assume_init() };
         let mut info = 0;
 
         let lwork = N::xsyev_work_size(jobz, b'L', n as i32, m.as_mut_slice(), lda, &mut info);