1 /* 2 * cblas_dspr2.c 3 * The program is a C interface to dspr2. 4 * 5 * Keita Teranishi 5/20/98 6 * 7 */ 8 #include "cblas.h" 9 #include "cblas_f77.h" 10 void cblas_dspr2(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo, 11 const int N, const double alpha, const double *X, 12 const int incX, const double *Y, const int incY, double *A) 13 { 14 char UL; 15 #ifdef F77_CHAR 16 F77_CHAR F77_UL; 17 #else 18 #define F77_UL &UL 19 #endif 20 21 #ifdef F77_INT 22 F77_INT F77_N=N, F77_incX=incX, F77_incY=incY; 23 #else 24 #define F77_N N 25 #define F77_incX incX 26 #define F77_incY incY 27 #endif 28 29 extern int CBLAS_CallFromC; 30 extern int RowMajorStrg; 31 RowMajorStrg = 0; 32 CBLAS_CallFromC = 1; 33 if (order == CblasColMajor) 34 { 35 if (Uplo == CblasLower) UL = 'L'; 36 else if (Uplo == CblasUpper) UL = 'U'; 37 else 38 { 39 cblas_xerbla(2, "cblas_dspr2","Illegal Uplo setting, %d\n",Uplo ); 40 CBLAS_CallFromC = 0; 41 RowMajorStrg = 0; 42 return; 43 } 44 #ifdef F77_CHAR 45 F77_UL = C2F_CHAR(&UL); 46 #endif 47 48 F77_dspr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A); 49 50 } else if (order == CblasRowMajor) 51 { 52 RowMajorStrg = 1; 53 if (Uplo == CblasLower) UL = 'U'; 54 else if (Uplo == CblasUpper) UL = 'L'; 55 else 56 { 57 cblas_xerbla(2, "cblas_dspr2","Illegal Uplo setting, %d\n",Uplo ); 58 CBLAS_CallFromC = 0; 59 RowMajorStrg = 0; 60 return; 61 } 62 #ifdef F77_CHAR 63 F77_UL = C2F_CHAR(&UL); 64 #endif 65 F77_dspr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A); 66 } else cblas_xerbla(1, "cblas_dspr2", "Illegal Order setting, %d\n", order); 67 CBLAS_CallFromC = 0; 68 RowMajorStrg = 0; 69 return; 70 } 71
