Const correctness for getrs and getrs_batch params

Author: vlad-perevezentsev

dpnp/backend/extensions/lapack/getrs.cpp

@@ -48,14 +48,14 @@ namespace type_utils = dpctl::tensor::type_utils;
 using ext::common::init_dispatch_vector;
 
 typedef sycl::event (*getrs_impl_fn_ptr_t)(sycl::queue &,
-                                           oneapi::mkl::transpose,
+                                           const oneapi::mkl::transpose,
                                            const std::int64_t,
                                            const std::int64_t,
                                            char *,
-                                           std::int64_t,
-                                           std::int64_t *,
+                                           const std::int64_t,
+                                           const std::int64_t *,
                                            char *,
-                                           std::int64_t,
+                                           const std::int64_t,
                                            std::vector<sycl::event> &,
                                            const std::vector<sycl::event> &);
 
@@ -67,10 +67,10 @@ static sycl::event getrs_impl(sycl::queue &exec_q,
                               const std::int64_t n,
                               const std::int64_t nrhs,
                               char *in_a,
-                              std::int64_t lda,
-                              std::int64_t *ipiv,
+                              const std::int64_t lda,
+                              const std::int64_t *ipiv,
                               char *in_b,
-                              std::int64_t ldb,
+                              const std::int64_t ldb,
                               std::vector<sycl::event> &host_task_events,
                               const std::vector<sycl::event> &depends)
 {

dpnp/backend/extensions/lapack/getrs.hpp

@@ -37,21 +37,21 @@ extern std::pair<sycl::event, sycl::event>
           const dpctl::tensor::usm_ndarray &a_array,
           const dpctl::tensor::usm_ndarray &ipiv_array,
           const dpctl::tensor::usm_ndarray &b_array,
-          oneapi::mkl::transpose trans,
+          const oneapi::mkl::transpose trans,
           const std::vector<sycl::event> &depends = {});
 
 extern std::pair<sycl::event, sycl::event>
     getrs_batch(sycl::queue &exec_q,
                 const dpctl::tensor::usm_ndarray &a_array,
                 const dpctl::tensor::usm_ndarray &ipiv_array,
                 const dpctl::tensor::usm_ndarray &b_array,
-                oneapi::mkl::transpose trans,
-                std::int64_t n,
-                std::int64_t nrhs,
-                std::int64_t stride_a,
-                std::int64_t stride_ipiv,
-                std::int64_t stride_b,
-                std::int64_t batch_size,
+                const oneapi::mkl::transpose trans,
+                const std::int64_t n,
+                const std::int64_t nrhs,
+                const std::int64_t stride_a,
+                const std::int64_t stride_ipiv,
+                const std::int64_t stride_b,
+                const std::int64_t batch_size,
                 const std::vector<sycl::event> &depends = {});
 
 extern void init_getrs_dispatch_vector(void);

dpnp/backend/extensions/lapack/getrs_batch.cpp

@@ -56,14 +56,14 @@ typedef sycl::event (*getrs_batch_impl_fn_ptr_t)(
     const std::int64_t,     // n
     const std::int64_t,     // nrhs
     char *,                 // a
-    std::int64_t,           // lda
-    std::int64_t,           // stride_a
-    std::int64_t *,         // ipiv
-    std::int64_t,           // stride_ipiv
+    const std::int64_t,     // lda
+    const std::int64_t,     // stride_a
+    const std::int64_t *,   // ipiv
+    const std::int64_t,     // stride_ipiv
     char *,                 // b
-    std::int64_t,           // ldb
-    std::int64_t,           // stride_b
-    std::int64_t,           // batch_size
+    const std::int64_t,     // ldb
+    const std::int64_t,     // stride_b
+    const std::int64_t,     // batch_size
     std::vector<sycl::event> &,
     const std::vector<sycl::event> &);
 
@@ -75,14 +75,14 @@ static sycl::event getrs_batch_impl(sycl::queue &exec_q,
                                     const std::int64_t n,
                                     const std::int64_t nrhs,
                                     char *in_a,
-                                    std::int64_t lda,
-                                    std::int64_t stride_a,
-                                    std::int64_t *ipiv,
-                                    std::int64_t stride_ipiv,
+                                    const std::int64_t lda,
+                                    const std::int64_t stride_a,
+                                    const std::int64_t *ipiv,
+                                    const std::int64_t stride_ipiv,
                                     char *in_b,
-                                    std::int64_t ldb,
-                                    std::int64_t stride_b,
-                                    std::int64_t batch_size,
+                                    const std::int64_t ldb,
+                                    const std::int64_t stride_b,
+                                    const std::int64_t batch_size,
                                     std::vector<sycl::event> &host_task_events,
                                     const std::vector<sycl::event> &depends)
 {