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authorrobot-piglet <robot-piglet@yandex-team.com>2023-07-30 16:42:12 +0300
committerrobot-piglet <robot-piglet@yandex-team.com>2023-07-30 16:42:12 +0300
commitc3f888e801f16a6a34204639b386a77340acf4e9 (patch)
tree46d965a71238a5e6a9c4a0244d0ac64e09bb4540 /contrib/libs/cblas/src/cblas_chpr.c
parent6a4a0ea7b10e768714b024f72f84e88a4448b503 (diff)
downloadydb-c3f888e801f16a6a34204639b386a77340acf4e9.tar.gz
Intermediate changes
Diffstat (limited to 'contrib/libs/cblas/src/cblas_chpr.c')
-rw-r--r--contrib/libs/cblas/src/cblas_chpr.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/contrib/libs/cblas/src/cblas_chpr.c b/contrib/libs/cblas/src/cblas_chpr.c
new file mode 100644
index 0000000000..9b39f38bdf
--- /dev/null
+++ b/contrib/libs/cblas/src/cblas_chpr.c
@@ -0,0 +1,115 @@
+/*
+ * cblas_chpr.c
+ * The program is a C interface to chpr.
+ *
+ * Keita Teranishi 3/23/98
+ *
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include "cblas.h"
+#include "cblas_f77.h"
+void cblas_chpr(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo,
+ const int N, const float alpha, const void *X,
+ const int incX, void *A)
+{
+ char UL;
+#ifdef F77_CHAR
+ F77_CHAR F77_UL;
+#else
+ #define F77_UL &UL
+#endif
+
+#ifdef F77_INT
+ F77_INT F77_N=N, F77_incX=incX;
+#else
+ #define F77_N N
+ #define F77_incX incx
+#endif
+ int n, i, tincx, incx=incX;
+ float *x=(float *)X, *xx=(float *)X, *tx, *st;
+
+ extern int CBLAS_CallFromC;
+ extern int RowMajorStrg;
+ RowMajorStrg = 0;
+
+ CBLAS_CallFromC = 1;
+ if (order == CblasColMajor)
+ {
+ if (Uplo == CblasLower) UL = 'L';
+ else if (Uplo == CblasUpper) UL = 'U';
+ else
+ {
+ cblas_xerbla(2, "cblas_chpr","Illegal Uplo setting, %d\n",Uplo );
+ CBLAS_CallFromC = 0;
+ RowMajorStrg = 0;
+ return;
+ }
+ #ifdef F77_CHAR
+ F77_UL = C2F_CHAR(&UL);
+ #endif
+
+ F77_chpr(F77_UL, &F77_N, &alpha, X, &F77_incX, A);
+
+ } else if (order == CblasRowMajor)
+ {
+ RowMajorStrg = 1;
+ if (Uplo == CblasUpper) UL = 'L';
+ else if (Uplo == CblasLower) UL = 'U';
+ else
+ {
+ cblas_xerbla(2, "cblas_chpr","Illegal Uplo setting, %d\n", Uplo);
+ CBLAS_CallFromC = 0;
+ RowMajorStrg = 0;
+ return;
+ }
+ #ifdef F77_CHAR
+ F77_UL = C2F_CHAR(&UL);
+ #endif
+ if (N > 0)
+ {
+ n = N << 1;
+ x = malloc(n*sizeof(float));
+ tx = x;
+ if( incX > 0 ) {
+ i = incX << 1;
+ tincx = 2;
+ st= x+n;
+ } else {
+ i = incX *(-2);
+ tincx = -2;
+ st = x-2;
+ x +=(n-2);
+ }
+ do
+ {
+ *x = *xx;
+ x[1] = -xx[1];
+ x += tincx ;
+ xx += i;
+ }
+ while (x != st);
+ x=tx;
+ #ifdef F77_INT
+ F77_incX = 1;
+ #else
+ incx = 1;
+ #endif
+ }
+ else x = (float *) X;
+
+ F77_chpr(F77_UL, &F77_N, &alpha, x, &F77_incX, A);
+
+ } else
+ {
+ cblas_xerbla(1, "cblas_chpr","Illegal Order setting, %d\n", order);
+ CBLAS_CallFromC = 0;
+ RowMajorStrg = 0;
+ return;
+ }
+ if(X!=x)
+ free(x);
+ CBLAS_CallFromC = 0;
+ RowMajorStrg = 0;
+ return;
+}