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00010 #include "cblas.h"
00011 #include "cblas_f77.h"
00012 void cblas_dsyr2k(const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo,
00013 const enum CBLAS_TRANSPOSE Trans, const int N, const int K,
00014 const double alpha, const double *A, const int lda,
00015 const double *B, const int ldb, const double beta,
00016 double *C, const int ldc)
00017 {
00018 char UL, TR;
00019 #ifdef F77_CHAR
00020 F77_CHAR F77_TA, F77_UL;
00021 #else
00022 #define F77_TR &TR
00023 #define F77_UL &UL
00024 #endif
00025
00026 #ifdef F77_INT
00027 F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_ldb=ldb;
00028 F77_INT F77_ldc=ldc;
00029 #else
00030 #define F77_N N
00031 #define F77_K K
00032 #define F77_lda lda
00033 #define F77_ldb ldb
00034 #define F77_ldc ldc
00035 #endif
00036
00037 extern int CBLAS_CallFromC;
00038 extern int RowMajorStrg;
00039 RowMajorStrg = 0;
00040 CBLAS_CallFromC = 1;
00041
00042 if( Order == CblasColMajor )
00043 {
00044
00045 if( Uplo == CblasUpper) UL='U';
00046 else if ( Uplo == CblasLower ) UL='L';
00047 else
00048 {
00049 cblas_xerbla(2, "cblas_dsyr2k","Illegal Uplo setting, %d\n", Uplo);
00050 CBLAS_CallFromC = 0;
00051 RowMajorStrg = 0;
00052 return;
00053 }
00054
00055 if( Trans == CblasTrans) TR ='T';
00056 else if ( Trans == CblasConjTrans ) TR='C';
00057 else if ( Trans == CblasNoTrans ) TR='N';
00058 else
00059 {
00060 cblas_xerbla(3, "cblas_dsyr2k","Illegal Trans setting, %d\n", Trans);
00061 CBLAS_CallFromC = 0;
00062 RowMajorStrg = 0;
00063 return;
00064 }
00065
00066
00067 #ifdef F77_CHAR
00068 F77_UL = C2F_CHAR(&UL);
00069 F77_TR = C2F_CHAR(&TR);
00070 #endif
00071
00072 F77_dsyr2k(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
00073 B, &F77_ldb, &beta, C, &F77_ldc);
00074 } else if (Order == CblasRowMajor)
00075 {
00076 RowMajorStrg = 1;
00077 if( Uplo == CblasUpper) UL='L';
00078 else if ( Uplo == CblasLower ) UL='U';
00079 else
00080 {
00081 cblas_xerbla(3, "cblas_dsyr2k","Illegal Uplo setting, %d\n", Uplo);
00082 CBLAS_CallFromC = 0;
00083 RowMajorStrg = 0;
00084 return;
00085 }
00086 if( Trans == CblasTrans) TR ='N';
00087 else if ( Trans == CblasConjTrans ) TR='N';
00088 else if ( Trans == CblasNoTrans ) TR='T';
00089 else
00090 {
00091 cblas_xerbla(3, "cblas_dsyr2k","Illegal Trans setting, %d\n", Trans);
00092 CBLAS_CallFromC = 0;
00093 RowMajorStrg = 0;
00094 return;
00095 }
00096
00097 #ifdef F77_CHAR
00098 F77_UL = C2F_CHAR(&UL);
00099 F77_TR = C2F_CHAR(&TR);
00100 #endif
00101
00102 F77_dsyr2k(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda, B,
00103 &F77_ldb, &beta, C, &F77_ldc);
00104 }
00105 else cblas_xerbla(1, "cblas_dsyr2k","Illegal Order setting, %d\n", Order);
00106 CBLAS_CallFromC = 0;
00107 RowMajorStrg = 0;
00108 return;
00109 }