From 4f10899f5aeb7308fe87998c0f61ee2bd5026807 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Thu, 18 May 2023 23:43:18 +0200
Subject: [PATCH] Add interfaces for [cz]unhr_col and [sd]orhr_col
 (Reference-LAPACK PR 827)

---
 lapack-netlib/LAPACKE/src/lapacke_cunhr_col.c | 24 +++++++
 .../LAPACKE/src/lapacke_cunhr_col_work.c      | 69 +++++++++++++++++++
 lapack-netlib/LAPACKE/src/lapacke_dorhr_col.c | 24 +++++++
 .../LAPACKE/src/lapacke_dorhr_col_work.c      | 69 +++++++++++++++++++
 lapack-netlib/LAPACKE/src/lapacke_sorhr_col.c | 24 +++++++
 .../LAPACKE/src/lapacke_sorhr_col_work.c      | 69 +++++++++++++++++++
 lapack-netlib/LAPACKE/src/lapacke_zunhr_col.c | 24 +++++++
 .../LAPACKE/src/lapacke_zunhr_col_work.c      | 69 +++++++++++++++++++
 8 files changed, 372 insertions(+)
 create mode 100644 lapack-netlib/LAPACKE/src/lapacke_cunhr_col.c
 create mode 100644 lapack-netlib/LAPACKE/src/lapacke_cunhr_col_work.c
 create mode 100644 lapack-netlib/LAPACKE/src/lapacke_dorhr_col.c
 create mode 100644 lapack-netlib/LAPACKE/src/lapacke_dorhr_col_work.c
 create mode 100644 lapack-netlib/LAPACKE/src/lapacke_sorhr_col.c
 create mode 100644 lapack-netlib/LAPACKE/src/lapacke_sorhr_col_work.c
 create mode 100644 lapack-netlib/LAPACKE/src/lapacke_zunhr_col.c
 create mode 100644 lapack-netlib/LAPACKE/src/lapacke_zunhr_col_work.c

diff --git a/lapack-netlib/LAPACKE/src/lapacke_cunhr_col.c b/lapack-netlib/LAPACKE/src/lapacke_cunhr_col.c
new file mode 100644
index 000000000..7ed1ad4c4
--- /dev/null
+++ b/lapack-netlib/LAPACKE/src/lapacke_cunhr_col.c
@@ -0,0 +1,24 @@
+#include "lapacke_utils.h"
+
+lapack_int LAPACKE_cunhr_col( int matrix_layout, lapack_int m, lapack_int n,
+                              lapack_int nb, lapack_complex_float* a,
+                              lapack_int lda, lapack_complex_float* t,
+                              lapack_int ldt, lapack_complex_float* d)
+{
+  lapack_int info = 0;
+  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
+    LAPACKE_xerbla( "LAPACKE_cunhr_col", -1 );
+    return -1;
+  }
+#ifndef LAPACK_DISABLE_NAN_CHECK
+  if( LAPACKE_get_nancheck() ) {
+    /* Optionally check input matrices for NaNs */
+    if( LAPACKE_cge_nancheck( matrix_layout, m, n, a, lda ) ) {
+      return -5;
+    }
+  }
+#endif
+  /* Call middle-level interface */
+  info = LAPACKE_cunhr_col_work( matrix_layout, m, n, nb, a, lda, t, ldt, d );
+  return info;
+}
diff --git a/lapack-netlib/LAPACKE/src/lapacke_cunhr_col_work.c b/lapack-netlib/LAPACKE/src/lapacke_cunhr_col_work.c
new file mode 100644
index 000000000..76b8366f0
--- /dev/null
+++ b/lapack-netlib/LAPACKE/src/lapacke_cunhr_col_work.c
@@ -0,0 +1,69 @@
+#include "lapacke_utils.h"
+
+lapack_int LAPACKE_cunhr_col_work( int matrix_layout, lapack_int m, lapack_int n,
+                                   lapack_int nb, lapack_complex_float* a,
+                                   lapack_int lda, lapack_complex_float* t,
+                                   lapack_int ldt, lapack_complex_float* d )
+{
+    lapack_int info = 0;
+    if( matrix_layout == LAPACK_COL_MAJOR ) {
+        /* Call LAPACK function and adjust info */
+        LAPACK_cunhr_col( &m, &n, &nb, a, &lda, t, &ldt, d, &info );
+        if( info < 0 ) {
+            info = info - 1;
+        }
+    } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
+        lapack_int lda_t = MAX(1,m);
+        lapack_int ldt_t = MAX(1,MIN(nb,n));
+        lapack_complex_float* a_t = NULL;
+        lapack_complex_float* t_t = NULL;
+        /* Check leading dimension(s) */
+        if( lda < n ) {
+            info = -6;
+            LAPACKE_xerbla( "LAPACKE_cunhr_col_work", info );
+            return info;
+        }
+        if( ldt < n ) {
+            info = -8;
+            LAPACKE_xerbla( "LAPACKE_cunhr_col_work", info );
+            return info;
+        }
+        /* Allocate memory for temporary array(s) */
+        a_t = (lapack_complex_float*)
+            LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
+        if( a_t == NULL ) {
+            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
+            goto exit_level_0;
+        }
+        t_t = (lapack_complex_float*)
+            LAPACKE_malloc( sizeof(lapack_complex_float) *
+                            ldt_t * MAX(1,n) );
+        if( t_t == NULL ) {
+            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
+            goto exit_level_1;
+        }
+        /* Transpose input matrices */
+        LAPACKE_cge_trans( matrix_layout, m, n, a, lda, a_t, lda_t );
+        /* Call LAPACK function and adjust info */
+        LAPACK_cunhr_col( &m, &n, &nb, a_t, &lda_t, t_t, &ldt_t, d, &info );
+        if( info < 0 ) {
+            info = info - 1;
+        }
+        /* Transpose output matrices */
+        LAPACKE_cge_trans( LAPACK_COL_MAJOR, m, n, a_t, lda_t, a, lda );
+        LAPACKE_cge_trans( LAPACK_COL_MAJOR, ldt, n, t_t, ldt_t, t,
+                           ldt );
+        /* Release memory and exit */
+        LAPACKE_free( t_t );
+exit_level_1:
+        LAPACKE_free( a_t );
+exit_level_0:
+        if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
+            LAPACKE_xerbla( "LAPACKE_cunhr_col_work", info );
+        }
+    } else {
+        info = -1;
+        LAPACKE_xerbla( "LAPACKE_cunhr_col_work", info );
+    }
+    return info;
+}
diff --git a/lapack-netlib/LAPACKE/src/lapacke_dorhr_col.c b/lapack-netlib/LAPACKE/src/lapacke_dorhr_col.c
new file mode 100644
index 000000000..1f37725e9
--- /dev/null
+++ b/lapack-netlib/LAPACKE/src/lapacke_dorhr_col.c
@@ -0,0 +1,24 @@
+#include "lapacke_utils.h"
+
+lapack_int LAPACKE_dorhr_col( int matrix_layout, lapack_int m, lapack_int n,
+                              lapack_int nb, double* a,
+                              lapack_int lda, double* t,
+                              lapack_int ldt, double* d)
+{
+  lapack_int info = 0;
+  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
+    LAPACKE_xerbla( "LAPACKE_dorhr_col", -1 );
+    return -1;
+  }
+#ifndef LAPACK_DISABLE_NAN_CHECK
+  if( LAPACKE_get_nancheck() ) {
+    /* Optionally check input matrices for NaNs */
+    if( LAPACKE_dge_nancheck( matrix_layout, m, n, a, lda ) ) {
+      return -5;
+    }
+  }
+#endif
+  /* Call middle-level interface */
+  info = LAPACKE_dorhr_col_work( matrix_layout, m, n, nb, a, lda, t, ldt, d );
+  return info;
+}
diff --git a/lapack-netlib/LAPACKE/src/lapacke_dorhr_col_work.c b/lapack-netlib/LAPACKE/src/lapacke_dorhr_col_work.c
new file mode 100644
index 000000000..28b80cc02
--- /dev/null
+++ b/lapack-netlib/LAPACKE/src/lapacke_dorhr_col_work.c
@@ -0,0 +1,69 @@
+#include "lapacke_utils.h"
+
+lapack_int LAPACKE_dorhr_col_work( int matrix_layout, lapack_int m, lapack_int n,
+                                   lapack_int nb, double* a,
+                                   lapack_int lda, double* t,
+                                   lapack_int ldt, double* d )
+{
+    lapack_int info = 0;
+    if( matrix_layout == LAPACK_COL_MAJOR ) {
+        /* Call LAPACK function and adjust info */
+        LAPACK_dorhr_col( &m, &n, &nb, a, &lda, t, &ldt, d, &info );
+        if( info < 0 ) {
+            info = info - 1;
+        }
+    } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
+        lapack_int lda_t = MAX(1,m);
+        lapack_int ldt_t = MAX(1,MIN(nb,n));
+        double* a_t = NULL;
+        double* t_t = NULL;
+        /* Check leading dimension(s) */
+        if( lda < n ) {
+            info = -6;
+            LAPACKE_xerbla( "LAPACKE_dorhr_col_work", info );
+            return info;
+        }
+        if( ldt < n ) {
+            info = -8;
+            LAPACKE_xerbla( "LAPACKE_dorhr_col_work", info );
+            return info;
+        }
+        /* Allocate memory for temporary array(s) */
+        a_t = (double*)
+            LAPACKE_malloc( sizeof(double) * lda_t * MAX(1,n) );
+        if( a_t == NULL ) {
+            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
+            goto exit_level_0;
+        }
+        t_t = (double*)
+            LAPACKE_malloc( sizeof(double) *
+                            ldt_t * MAX(1,n) );
+        if( t_t == NULL ) {
+            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
+            goto exit_level_1;
+        }
+        /* Transpose input matrices */
+        LAPACKE_dge_trans( matrix_layout, m, n, a, lda, a_t, lda_t );
+        /* Call LAPACK function and adjust info */
+        LAPACK_dorhr_col( &m, &n, &nb, a_t, &lda_t, t_t, &ldt_t, d, &info );
+        if( info < 0 ) {
+            info = info - 1;
+        }
+        /* Transpose output matrices */
+        LAPACKE_dge_trans( LAPACK_COL_MAJOR, m, n, a_t, lda_t, a, lda );
+        LAPACKE_dge_trans( LAPACK_COL_MAJOR, ldt, n, t_t, ldt_t, t,
+                           ldt );
+        /* Release memory and exit */
+        LAPACKE_free( t_t );
+exit_level_1:
+        LAPACKE_free( a_t );
+exit_level_0:
+        if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
+            LAPACKE_xerbla( "LAPACKE_dorhr_col_work", info );
+        }
+    } else {
+        info = -1;
+        LAPACKE_xerbla( "LAPACKE_dorhr_col_work", info );
+    }
+    return info;
+}
diff --git a/lapack-netlib/LAPACKE/src/lapacke_sorhr_col.c b/lapack-netlib/LAPACKE/src/lapacke_sorhr_col.c
new file mode 100644
index 000000000..60e6e7951
--- /dev/null
+++ b/lapack-netlib/LAPACKE/src/lapacke_sorhr_col.c
@@ -0,0 +1,24 @@
+#include "lapacke_utils.h"
+
+lapack_int LAPACKE_sorhr_col( int matrix_layout, lapack_int m, lapack_int n,
+                              lapack_int nb, float* a,
+                              lapack_int lda, float* t,
+                              lapack_int ldt, float* d)
+{
+  lapack_int info = 0;
+  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
+    LAPACKE_xerbla( "LAPACKE_sorhr_col", -1 );
+    return -1;
+  }
+#ifndef LAPACK_DISABLE_NAN_CHECK
+  if( LAPACKE_get_nancheck() ) {
+    /* Optionally check input matrices for NaNs */
+    if( LAPACKE_sge_nancheck( matrix_layout, m, n, a, lda ) ) {
+      return -5;
+    }
+  }
+#endif
+  /* Call middle-level interface */
+  info = LAPACKE_sorhr_col_work( matrix_layout, m, n, nb, a, lda, t, ldt, d );
+  return info;
+}
diff --git a/lapack-netlib/LAPACKE/src/lapacke_sorhr_col_work.c b/lapack-netlib/LAPACKE/src/lapacke_sorhr_col_work.c
new file mode 100644
index 000000000..56d6a965e
--- /dev/null
+++ b/lapack-netlib/LAPACKE/src/lapacke_sorhr_col_work.c
@@ -0,0 +1,69 @@
+#include "lapacke_utils.h"
+
+lapack_int LAPACKE_sorhr_col_work( int matrix_layout, lapack_int m, lapack_int n,
+                                   lapack_int nb, float* a,
+                                   lapack_int lda, float* t,
+                                   lapack_int ldt, float* d )
+{
+    lapack_int info = 0;
+    if( matrix_layout == LAPACK_COL_MAJOR ) {
+        /* Call LAPACK function and adjust info */
+        LAPACK_sorhr_col( &m, &n, &nb, a, &lda, t, &ldt, d, &info );
+        if( info < 0 ) {
+            info = info - 1;
+        }
+    } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
+        lapack_int lda_t = MAX(1,m);
+        lapack_int ldt_t = MAX(1,MIN(nb,n));
+        float* a_t = NULL;
+        float* t_t = NULL;
+        /* Check leading dimension(s) */
+        if( lda < n ) {
+            info = -6;
+            LAPACKE_xerbla( "LAPACKE_sorhr_col_work", info );
+            return info;
+        }
+        if( ldt < n ) {
+            info = -8;
+            LAPACKE_xerbla( "LAPACKE_sorhr_col_work", info );
+            return info;
+        }
+        /* Allocate memory for temporary array(s) */
+        a_t = (float*)
+            LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,n) );
+        if( a_t == NULL ) {
+            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
+            goto exit_level_0;
+        }
+        t_t = (float*)
+            LAPACKE_malloc( sizeof(float) *
+                            ldt_t * MAX(1,n) );
+        if( t_t == NULL ) {
+            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
+            goto exit_level_1;
+        }
+        /* Transpose input matrices */
+        LAPACKE_sge_trans( matrix_layout, m, n, a, lda, a_t, lda_t );
+        /* Call LAPACK function and adjust info */
+        LAPACK_sorhr_col( &m, &n, &nb, a_t, &lda_t, t_t, &ldt_t, d, &info );
+        if( info < 0 ) {
+            info = info - 1;
+        }
+        /* Transpose output matrices */
+        LAPACKE_sge_trans( LAPACK_COL_MAJOR, m, n, a_t, lda_t, a, lda );
+        LAPACKE_sge_trans( LAPACK_COL_MAJOR, ldt, n, t_t, ldt_t, t,
+                           ldt );
+        /* Release memory and exit */
+        LAPACKE_free( t_t );
+exit_level_1:
+        LAPACKE_free( a_t );
+exit_level_0:
+        if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
+            LAPACKE_xerbla( "LAPACKE_sorhr_col_work", info );
+        }
+    } else {
+        info = -1;
+        LAPACKE_xerbla( "LAPACKE_sorhr_col_work", info );
+    }
+    return info;
+}
diff --git a/lapack-netlib/LAPACKE/src/lapacke_zunhr_col.c b/lapack-netlib/LAPACKE/src/lapacke_zunhr_col.c
new file mode 100644
index 000000000..7e2507daf
--- /dev/null
+++ b/lapack-netlib/LAPACKE/src/lapacke_zunhr_col.c
@@ -0,0 +1,24 @@
+#include "lapacke_utils.h"
+
+lapack_int LAPACKE_zunhr_col( int matrix_layout, lapack_int m, lapack_int n,
+                              lapack_int nb, lapack_complex_double* a,
+                              lapack_int lda, lapack_complex_double* t,
+                              lapack_int ldt, lapack_complex_double* d)
+{
+  lapack_int info = 0;
+  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
+    LAPACKE_xerbla( "LAPACKE_zunhr_col", -1 );
+    return -1;
+  }
+#ifndef LAPACK_DISABLE_NAN_CHECK
+  if( LAPACKE_get_nancheck() ) {
+    /* Optionally check input matrices for NaNs */
+    if( LAPACKE_zge_nancheck( matrix_layout, m, n, a, lda ) ) {
+      return -5;
+    }
+  }
+#endif
+  /* Call middle-level interface */
+  info = LAPACKE_zunhr_col_work( matrix_layout, m, n, nb, a, lda, t, ldt, d );
+  return info;
+}
diff --git a/lapack-netlib/LAPACKE/src/lapacke_zunhr_col_work.c b/lapack-netlib/LAPACKE/src/lapacke_zunhr_col_work.c
new file mode 100644
index 000000000..b5e640177
--- /dev/null
+++ b/lapack-netlib/LAPACKE/src/lapacke_zunhr_col_work.c
@@ -0,0 +1,69 @@
+#include "lapacke_utils.h"
+
+lapack_int LAPACKE_zunhr_col_work( int matrix_layout, lapack_int m, lapack_int n,
+                                   lapack_int nb, lapack_complex_double* a,
+                                   lapack_int lda, lapack_complex_double* t,
+                                   lapack_int ldt, lapack_complex_double* d )
+{
+    lapack_int info = 0;
+    if( matrix_layout == LAPACK_COL_MAJOR ) {
+        /* Call LAPACK function and adjust info */
+        LAPACK_zunhr_col( &m, &n, &nb, a, &lda, t, &ldt, d, &info );
+        if( info < 0 ) {
+            info = info - 1;
+        }
+    } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
+        lapack_int lda_t = MAX(1,m);
+        lapack_int ldt_t = MAX(1,MIN(nb,n));
+        lapack_complex_double* a_t = NULL;
+        lapack_complex_double* t_t = NULL;
+        /* Check leading dimension(s) */
+        if( lda < n ) {
+            info = -6;
+            LAPACKE_xerbla( "LAPACKE_zunhr_col_work", info );
+            return info;
+        }
+        if( ldt < n ) {
+            info = -8;
+            LAPACKE_xerbla( "LAPACKE_zunhr_col_work", info );
+            return info;
+        }
+        /* Allocate memory for temporary array(s) */
+        a_t = (lapack_complex_double*)
+            LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
+        if( a_t == NULL ) {
+            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
+            goto exit_level_0;
+        }
+        t_t = (lapack_complex_double*)
+            LAPACKE_malloc( sizeof(lapack_complex_double) *
+                            ldt_t * MAX(1,n) );
+        if( t_t == NULL ) {
+            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
+            goto exit_level_1;
+        }
+        /* Transpose input matrices */
+        LAPACKE_zge_trans( matrix_layout, m, n, a, lda, a_t, lda_t );
+        /* Call LAPACK function and adjust info */
+        LAPACK_zunhr_col( &m, &n, &nb, a_t, &lda_t, t_t, &ldt_t, d, &info );
+        if( info < 0 ) {
+            info = info - 1;
+        }
+        /* Transpose output matrices */
+        LAPACKE_zge_trans( LAPACK_COL_MAJOR, m, n, a_t, lda_t, a, lda );
+        LAPACKE_zge_trans( LAPACK_COL_MAJOR, ldt, n, t_t, ldt_t, t,
+                           ldt );
+        /* Release memory and exit */
+        LAPACKE_free( t_t );
+exit_level_1:
+        LAPACKE_free( a_t );
+exit_level_0:
+        if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
+            LAPACKE_xerbla( "LAPACKE_zunhr_col_work", info );
+        }
+    } else {
+        info = -1;
+        LAPACKE_xerbla( "LAPACKE_zunhr_col_work", info );
+    }
+    return info;
+}