cblas_sspr2()

void cblas_sspr2	(	CBLAS_LAYOUT	layout,
		CBLAS_UPLO	Uplo,
		const CBLAS_INT	N,
		const float	alpha,
		const float *	X,
		const CBLAS_INT	incX,
		const float *	Y,
		const CBLAS_INT	incY,
		float *	A
	)

Definition at line 12 of file cblas_sspr2.c.

{
   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, F77_incY=incY;
#else
   #define F77_N N
   #define F77_incX incX
   #define F77_incY incY
#endif
 
   extern int CBLAS_CallFromC;
   extern int RowMajorStrg;
   RowMajorStrg = 0;
   CBLAS_CallFromC = 1;
   if (layout == CblasColMajor)
   {
      if (Uplo == CblasLower) UL = 'L';
      else if (Uplo == CblasUpper) UL = 'U';
      else
      {
         API_SUFFIX(cblas_xerbla)(2, "cblas_sspr2","Illegal Uplo setting, %d\n",Uplo );
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
      #ifdef F77_CHAR
         F77_UL = C2F_CHAR(&UL);
      #endif
 
      F77_sspr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A);
 
   }  else if (layout == CblasRowMajor)
   {
      RowMajorStrg = 1;
      if (Uplo == CblasLower) UL = 'U';
      else if (Uplo == CblasUpper) UL = 'L';
      else
      {
         API_SUFFIX(cblas_xerbla)(2, "cblas_sspr2","Illegal Uplo setting, %d\n",Uplo );
         CBLAS_CallFromC = 0;
         RowMajorStrg = 0;
         return;
      }
      #ifdef F77_CHAR
         F77_UL = C2F_CHAR(&UL);
      #endif
      F77_sspr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY,  A);
   } else API_SUFFIX(cblas_xerbla)(1, "cblas_sspr2", "Illegal layout setting, %d\n", layout);
   CBLAS_CallFromC = 0;
   RowMajorStrg = 0;
}

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