1 files changed, 95 insertions, 0 deletions
diff --git a/ml/dlib/dlib/external/cblas/cblas_zher2k.c b/ml/dlib/dlib/external/cblas/cblas_zher2k.c
new file mode 100644
index 00000000..96bcfe2a
--- /dev/null
+++ b/ml/dlib/dlib/external/cblas/cblas_zher2k.c
@@ -0,0 +1,95 @@
+/*
+ *
+ * cblas_zher2k.c
+ * This program is a C interface to zher2k.
+ * Written by Keita Teranishi
+ * 4/8/1998
+ *
+ */
+
+#include "cblas.h"
+#include "cblas_f77.h"
+void cblas_zher2k(const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo,
+                  const enum CBLAS_TRANSPOSE Trans, const int N, const int K,
+                  const void *alpha, const void *A, const int lda,
+                  const void *B, const int ldb, const double beta,
+                  void *C, const int ldc)
+{
+   char UL, TR;   
+#ifdef F77_CHAR
+   F77_CHAR F77_TR, F77_UL;
+#else
+   #define F77_TR &TR  
+   #define F77_UL &UL  
+#endif
+
+#ifdef F77_INT
+   F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_ldb=ldb;
+   F77_INT F77_ldc=ldc;
+#else
+   #define F77_N N
+   #define F77_K K
+   #define F77_lda lda
+   #define F77_ldb ldb
+   #define F77_ldc ldc
+#endif
+
+   double ALPHA[2]; 
+   const double *alp=(double *)alpha;
+
+
+   if( Order == CblasColMajor )
+   {
+
+      if( Uplo == CblasUpper) UL='U';
+      else if ( Uplo == CblasLower ) UL='L';
+      else 
+      {
+         cblas_xerbla(2, "cblas_zher2k", "Illegal Uplo setting, %d\n", Uplo);
+         return;
+      }
+
+      if( Trans == CblasTrans) TR ='T';
+      else if ( Trans == CblasConjTrans ) TR='C';
+      else if ( Trans == CblasNoTrans )   TR='N';
+      else 
+      {
+         cblas_xerbla(3, "cblas_zher2k", "Illegal Trans setting, %d\n", Trans);
+         return;
+      }
+
+      #ifdef F77_CHAR
+         F77_UL = C2F_CHAR(&UL);
+         F77_TR = C2F_CHAR(&TR);
+      #endif
+
+      F77_zher2k(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda, B, &F77_ldb, &beta, C, &F77_ldc);
+   } else if (Order == CblasRowMajor)
+   {
+      
+      if( Uplo == CblasUpper) UL='L';
+      else if ( Uplo == CblasLower ) UL='U';
+      else 
+      {
+         cblas_xerbla(2, "cblas_zher2k", "Illegal Uplo setting, %d\n", Uplo);
+         return;
+      }
+      if( Trans == CblasTrans) TR ='N';
+      else if ( Trans == CblasConjTrans ) TR='N';
+      else if ( Trans == CblasNoTrans )   TR='C';
+      else 
+      {
+         cblas_xerbla(3, "cblas_zher2k", "Illegal Trans setting, %d\n", Trans);
+         return;
+      }
+      #ifdef F77_CHAR
+         F77_UL = C2F_CHAR(&UL);
+         F77_TR = C2F_CHAR(&TR);
+      #endif
+
+      ALPHA[0]= *alp;
+      ALPHA[1]= -alp[1];
+      F77_zher2k(F77_UL,F77_TR, &F77_N, &F77_K, ALPHA, A, &F77_lda, B, &F77_ldb, &beta, C, &F77_ldc);
+   } else  cblas_xerbla(1, "cblas_zher2k", "Illegal Order setting, %d\n", Order);
+   return;
+}