1 /* 2 * 3 * cblas_sspr2.c 4 * This program is a C interface to sspr2. 5 * Written by Keita Teranishi 6 * 4/6/1998 7 * 8 */ 9 10 #include "cblas.h" 11 #include "cblas_f77.h" 12 void cblas_sspr2(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo, 13 const int N, const float alpha, const float *X, 14 const int incX, const float *Y, const int incY, float *A) 15 { 16 char UL; 17 #ifdef F77_CHAR 18 F77_CHAR F77_UL; 19 #else 20 #define F77_UL &UL 21 #endif 22 23 #ifdef F77_INT 24 F77_INT F77_N=N, F77_incX=incX, F77_incY=incY; 25 #else 26 #define F77_N N 27 #define F77_incX incX 28 #define F77_incY incY 29 #endif 30 31 extern int CBLAS_CallFromC; 32 extern int RowMajorStrg; 33 RowMajorStrg = 0; 34 CBLAS_CallFromC = 1; 35 if (order == CblasColMajor) 36 { 37 if (Uplo == CblasLower) UL = 'L'; 38 else if (Uplo == CblasUpper) UL = 'U'; 39 else 40 { 41 cblas_xerbla(2, "cblas_sspr2","Illegal Uplo setting, %d\n",Uplo ); 42 CBLAS_CallFromC = 0; 43 RowMajorStrg = 0; 44 return; 45 } 46 #ifdef F77_CHAR 47 F77_UL = C2F_CHAR(&UL); 48 #endif 49 50 F77_sspr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A); 51 52 } else if (order == CblasRowMajor) 53 { 54 RowMajorStrg = 1; 55 if (Uplo == CblasLower) UL = 'U'; 56 else if (Uplo == CblasUpper) UL = 'L'; 57 else 58 { 59 cblas_xerbla(2, "cblas_sspr2","Illegal Uplo setting, %d\n",Uplo ); 60 CBLAS_CallFromC = 0; 61 RowMajorStrg = 0; 62 return; 63 } 64 #ifdef F77_CHAR 65 F77_UL = C2F_CHAR(&UL); 66 #endif 67 F77_sspr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A); 68 } else cblas_xerbla(1, "cblas_sspr2", "Illegal Order setting, %d\n", order); 69 CBLAS_CallFromC = 0; 70 RowMajorStrg = 0; 71 } 72
