gnu: Add rust-smawk-0.3.

* gnu/packages/crates-io.scm (rust-smawk-0.3): New variable.

gnu/packages/crates-io.scm

@@ -57029,6 +57029,33 @@ control on the fields.")
     (description "This package provides compact inlined strings.")
     (license license:mpl2.0)))
 
+(define-public rust-smawk-0.3
+  (package
+    (name "rust-smawk")
+    (version "0.3.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "smawk" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32 "0hv0q1mw1r1brk7v3g4a80j162p7g1dri4bdidykrakzfqjd4ypn"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-ndarray" ,rust-ndarray-0.14))
+       #:cargo-development-inputs
+       (("rust-num-traits" ,rust-num-traits-0.2)
+        ("rust-rand" ,rust-rand-0.8)
+        ("rust-rand-chacha" ,rust-rand-chacha-0.3)
+        ("rust-version-sync" ,rust-version-sync-0.9))))
+    (home-page "https://github.com/mgeisler/smawk")
+    (synopsis "Functions for finding row-minima in a totally monotone matrix")
+    (description
+     "This package provides functions for finding row-minima in a totally
+monotone matrix.")
+    (license license:expat)))
+
 (define-public rust-smol-1
   (package
     (name "rust-smol")