| Tim Murray | 81253e9 | 2015-02-17 11:29:36 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * cblas_sgemm.c |
| 4 | * This program is a C interface to sgemm. |
| 5 | * Written by Keita Teranishi |
| 6 | * 4/8/1998 |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | #include "cblas.h" |
| 11 | #include "cblas_f77.h" |
| 12 | void cblas_sgemm(const enum CBLAS_ORDER Order, const enum CBLAS_TRANSPOSE TransA, |
| 13 | const enum CBLAS_TRANSPOSE TransB, const int M, const int N, |
| 14 | const int K, const float alpha, const float *A, |
| 15 | const int lda, const float *B, const int ldb, |
| 16 | const float beta, float *C, const int ldc) |
| 17 | { |
| 18 | char TA, TB; |
| 19 | #ifdef F77_CHAR |
| 20 | F77_CHAR F77_TA, F77_TB; |
| 21 | #else |
| 22 | #define F77_TA &TA |
| 23 | #define F77_TB &TB |
| 24 | #endif |
| 25 | |
| 26 | #ifdef F77_INT |
| 27 | F77_INT F77_M=M, F77_N=N, F77_K=K, F77_lda=lda, F77_ldb=ldb; |
| 28 | F77_INT F77_ldc=ldc; |
| 29 | #else |
| 30 | #define F77_M M |
| 31 | #define F77_N N |
| 32 | #define F77_K K |
| 33 | #define F77_lda lda |
| 34 | #define F77_ldb ldb |
| 35 | #define F77_ldc ldc |
| 36 | #endif |
| 37 | |
| 38 | extern int CBLAS_CallFromC; |
| 39 | extern int RowMajorStrg; |
| 40 | RowMajorStrg = 0; |
| 41 | CBLAS_CallFromC = 1; |
| 42 | if( Order == CblasColMajor ) |
| 43 | { |
| 44 | if(TransA == CblasTrans) TA='T'; |
| 45 | else if ( TransA == CblasConjTrans ) TA='C'; |
| 46 | else if ( TransA == CblasNoTrans ) TA='N'; |
| 47 | else |
| 48 | { |
| 49 | cblas_xerbla(2, "cblas_sgemm", |
| 50 | "Illegal TransA setting, %d\n", TransA); |
| 51 | CBLAS_CallFromC = 0; |
| 52 | RowMajorStrg = 0; |
| 53 | return; |
| 54 | } |
| 55 | |
| 56 | if(TransB == CblasTrans) TB='T'; |
| 57 | else if ( TransB == CblasConjTrans ) TB='C'; |
| 58 | else if ( TransB == CblasNoTrans ) TB='N'; |
| 59 | else |
| 60 | { |
| 61 | cblas_xerbla(3, "cblas_sgemm", |
| 62 | "Illegal TransB setting, %d\n", TransB); |
| 63 | CBLAS_CallFromC = 0; |
| 64 | RowMajorStrg = 0; |
| 65 | return; |
| 66 | } |
| 67 | |
| 68 | #ifdef F77_CHAR |
| 69 | F77_TA = C2F_CHAR(&TA); |
| 70 | F77_TB = C2F_CHAR(&TB); |
| 71 | #endif |
| 72 | |
| 73 | F77_sgemm(F77_TA, F77_TB, &F77_M, &F77_N, &F77_K, &alpha, A, &F77_lda, B, &F77_ldb, &beta, C, &F77_ldc); |
| 74 | } else if (Order == CblasRowMajor) |
| 75 | { |
| 76 | RowMajorStrg = 1; |
| 77 | if(TransA == CblasTrans) TB='T'; |
| 78 | else if ( TransA == CblasConjTrans ) TB='C'; |
| 79 | else if ( TransA == CblasNoTrans ) TB='N'; |
| 80 | else |
| 81 | { |
| 82 | cblas_xerbla(2, "cblas_sgemm", |
| 83 | "Illegal TransA setting, %d\n", TransA); |
| 84 | CBLAS_CallFromC = 0; |
| 85 | RowMajorStrg = 0; |
| 86 | return; |
| 87 | } |
| 88 | if(TransB == CblasTrans) TA='T'; |
| 89 | else if ( TransB == CblasConjTrans ) TA='C'; |
| 90 | else if ( TransB == CblasNoTrans ) TA='N'; |
| 91 | else |
| 92 | { |
| 93 | cblas_xerbla(2, "cblas_sgemm", |
| 94 | "Illegal TransA setting, %d\n", TransA); |
| 95 | CBLAS_CallFromC = 0; |
| 96 | RowMajorStrg = 0; |
| 97 | return; |
| 98 | } |
| 99 | #ifdef F77_CHAR |
| 100 | F77_TA = C2F_CHAR(&TA); |
| 101 | F77_TB = C2F_CHAR(&TB); |
| 102 | #endif |
| 103 | |
| 104 | F77_sgemm(F77_TA, F77_TB, &F77_N, &F77_M, &F77_K, &alpha, B, &F77_ldb, A, &F77_lda, &beta, C, &F77_ldc); |
| 105 | } else |
| 106 | cblas_xerbla(1, "cblas_sgemm", |
| 107 | "Illegal Order setting, %d\n", Order); |
| 108 | CBLAS_CallFromC = 0; |
| 109 | RowMajorStrg = 0; |
| 110 | } |