From de425490fcef729e0c6c54e29268c1dca1023d9a Mon Sep 17 00:00:00 2001
From: Toshiki Teramura <toshiki.teramura@gmail.com>
Date: Sat, 24 Sep 2022 00:37:46 +0900
Subject: [PATCH] WIP: EigWorkImpl for c32 and f32

---
 lax/src/eig.rs | 30 ++++++++++++------------------
 1 file changed, 12 insertions(+), 18 deletions(-)

diff --git a/lax/src/eig.rs b/lax/src/eig.rs
index 30ff5885..55c19a5b 100644
--- a/lax/src/eig.rs
+++ b/lax/src/eig.rs
@@ -96,11 +96,11 @@ impl EigWorkImpl for EigWork<c64> {
         } else {
             (JobEv::None, JobEv::None)
         };
-        let mut eigs: Vec<MaybeUninit<c64>> = vec_uninit(n as usize);
-        let mut rwork: Vec<MaybeUninit<f64>> = vec_uninit(2 * n as usize);
+        let mut eigs = vec_uninit(n as usize);
+        let mut rwork = vec_uninit(2 * n as usize);
 
-        let mut vc_l: Option<Vec<MaybeUninit<c64>>> = jobvl.then(|| vec_uninit((n * n) as usize));
-        let mut vc_r: Option<Vec<MaybeUninit<c64>>> = jobvr.then(|| vec_uninit((n * n) as usize));
+        let mut vc_l = jobvl.then(|| vec_uninit((n * n) as usize));
+        let mut vc_r = jobvr.then(|| vec_uninit((n * n) as usize));
 
         // calc work size
         let mut info = 0;
@@ -165,9 +165,6 @@ impl EigWorkImpl for EigWork<c64> {
             )
         };
         info.as_lapack_result()?;
-
-        let eigs = unsafe { self.eigs.slice_assume_init_ref() };
-
         // Hermite conjugate
         if let Some(vl) = self.vc_l.as_mut() {
             for value in vl {
@@ -176,7 +173,7 @@ impl EigWorkImpl for EigWork<c64> {
             }
         }
         Ok(EigRef {
-            eigs,
+            eigs: unsafe { self.eigs.slice_assume_init_ref() },
             vl: self
                 .vc_l
                 .as_ref()
@@ -210,8 +207,6 @@ impl EigWorkImpl for EigWork<c64> {
             )
         };
         info.as_lapack_result()?;
-        let eigs = unsafe { self.eigs.assume_init() };
-
         // Hermite conjugate
         if let Some(vl) = self.vc_l.as_mut() {
             for value in vl {
@@ -220,7 +215,7 @@ impl EigWorkImpl for EigWork<c64> {
             }
         }
         Ok(Eig {
-            eigs,
+            eigs: unsafe { self.eigs.assume_init() },
             vl: self.vc_l.map(|v| unsafe { v.assume_init() }),
             vr: self.vc_r.map(|v| unsafe { v.assume_init() }),
         })
@@ -240,13 +235,12 @@ impl EigWorkImpl for EigWork<f64> {
         } else {
             (JobEv::None, JobEv::None)
         };
-        let mut eigs_re: Vec<MaybeUninit<f64>> = vec_uninit(n as usize);
-        let mut eigs_im: Vec<MaybeUninit<f64>> = vec_uninit(n as usize);
-
-        let mut vr_l: Option<Vec<MaybeUninit<f64>>> = jobvl.then(|| vec_uninit((n * n) as usize));
-        let mut vr_r: Option<Vec<MaybeUninit<f64>>> = jobvr.then(|| vec_uninit((n * n) as usize));
-        let vc_l: Option<Vec<MaybeUninit<c64>>> = jobvl.then(|| vec_uninit((n * n) as usize));
-        let vc_r: Option<Vec<MaybeUninit<c64>>> = jobvr.then(|| vec_uninit((n * n) as usize));
+        let mut eigs_re = vec_uninit(n as usize);
+        let mut eigs_im = vec_uninit(n as usize);
+        let mut vr_l = jobvl.then(|| vec_uninit((n * n) as usize));
+        let mut vr_r = jobvr.then(|| vec_uninit((n * n) as usize));
+        let vc_l = jobvl.then(|| vec_uninit((n * n) as usize));
+        let vc_r = jobvr.then(|| vec_uninit((n * n) as usize));
 
         // calc work size
         let mut info = 0;