1 /* 2 * 3 * cblas_zsyr2k.c 4 * This program is a C interface to zsyr2k. 5 * Written by Keita Teranishi 6 * 4/8/1998 7 * 8 */ 9 10 #include "cblas.h" 11 #include "cblas_f77.h" 12 void cblas_zsyr2k(const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo, 13 const enum CBLAS_TRANSPOSE Trans, const int N, const int K, 14 const void *alpha, const void *A, const int lda, 15 const void *B, const int ldb, const void *beta, 16 void *C, const int ldc) 17 { 18 char UL, TR; 19 #ifdef F77_CHAR 20 F77_CHAR F77_TR, F77_UL; 21 #else 22 #define F77_TR &TR 23 #define F77_UL &UL 24 #endif 25 26 #ifdef F77_INT 27 F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_ldb=ldb; 28 F77_INT F77_ldc=ldc; 29 #else 30 #define F77_N N 31 #define F77_K K 32 #define F77_lda lda 33 #define F77_ldb ldb 34 #define F77_ldc ldc 35 #endif 36 37 extern int CBLAS_CallFromC; 38 extern int RowMajorStrg; 39 RowMajorStrg = 0; 40 CBLAS_CallFromC = 1; 41 42 if( Order == CblasColMajor ) 43 { 44 45 if( Uplo == CblasUpper) UL='U'; 46 else if ( Uplo == CblasLower ) UL='L'; 47 else 48 { 49 cblas_xerbla(2, "cblas_zsyr2k", "Illegal Uplo setting, %d\n", Uplo); 50 CBLAS_CallFromC = 0; 51 RowMajorStrg = 0; 52 return; 53 } 54 55 if( Trans == CblasTrans) TR ='T'; 56 else if ( Trans == CblasConjTrans ) TR='C'; 57 else if ( Trans == CblasNoTrans ) TR='N'; 58 else 59 { 60 cblas_xerbla(3, "cblas_zsyr2k", "Illegal Trans setting, %d\n", Trans); 61 CBLAS_CallFromC = 0; 62 RowMajorStrg = 0; 63 return; 64 } 65 66 67 #ifdef F77_CHAR 68 F77_UL = C2F_CHAR(&UL); 69 F77_TR = C2F_CHAR(&TR); 70 #endif 71 72 F77_zsyr2k(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda, 73 B, &F77_ldb, beta, C, &F77_ldc); 74 } else if (Order == CblasRowMajor) 75 { 76 RowMajorStrg = 1; 77 if( Uplo == CblasUpper) UL='L'; 78 else if ( Uplo == CblasLower ) UL='U'; 79 else 80 { 81 cblas_xerbla(3, "cblas_zsyr2k", "Illegal Uplo setting, %d\n", Uplo); 82 CBLAS_CallFromC = 0; 83 RowMajorStrg = 0; 84 return; 85 } 86 if( Trans == CblasTrans) TR ='N'; 87 else if ( Trans == CblasConjTrans ) TR='N'; 88 else if ( Trans == CblasNoTrans ) TR='T'; 89 else 90 { 91 cblas_xerbla(3, "cblas_zsyr2k", "Illegal Trans setting, %d\n", Trans); 92 CBLAS_CallFromC = 0; 93 RowMajorStrg = 0; 94 return; 95 } 96 97 #ifdef F77_CHAR 98 F77_UL = C2F_CHAR(&UL); 99 F77_TR = C2F_CHAR(&TR); 100 #endif 101 102 F77_zsyr2k(F77_UL, F77_TR, &F77_N, &F77_K, alpha, A, &F77_lda, B, &F77_ldb, beta, C, &F77_ldc); 103 } 104 else cblas_xerbla(1, "cblas_zsyr2k", "Illegal Order setting, %d\n", Order); 105 CBLAS_CallFromC = 0; 106 RowMajorStrg = 0; 107 return; 108 } 109
