181253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray/* 281253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray * 381253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray * cblas_ssbmv.c 481253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray * This program is a C interface to ssbmv. 581253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray * Written by Keita Teranishi 681253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray * 4/6/1998 781253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray * 881253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray */ 981253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray#include "cblas.h" 1081253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray#include "cblas_f77.h" 1181253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murrayvoid cblas_ssbmv(const enum CBLAS_ORDER order, const enum CBLAS_UPLO Uplo, 1281253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray const int N, const int K, const float alpha, const float *A, 1381253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray const int lda, const float *X, const int incX, 1481253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray const float beta, float *Y, const int incY) 1581253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray{ 1681253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray char UL; 1781253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray#ifdef F77_CHAR 1881253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray F77_CHAR F77_UL; 1981253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray#else 2081253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray #define F77_UL &UL 2181253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray#endif 2281253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray 2381253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray#ifdef F77_INT 2481253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_incX=incX, F77_incY=incY; 2581253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray#else 2681253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray #define F77_N N 2781253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray #define F77_K K 2881253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray #define F77_lda lda 2981253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray #define F77_incX incX 3081253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray #define F77_incY incY 3181253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray#endif 3281253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray extern int CBLAS_CallFromC; 3381253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray extern int RowMajorStrg; 3481253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray RowMajorStrg = 0; 3581253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray 3681253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray CBLAS_CallFromC = 1; 3781253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray if (order == CblasColMajor) 3881253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray { 3981253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray 4081253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray if (Uplo == CblasUpper) UL = 'U'; 4181253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray else if (Uplo == CblasLower) UL = 'L'; 4281253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray else 4381253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray { 4481253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray cblas_xerbla(2, "cblas_ssbmv","Illegal Uplo setting, %d\n",Uplo ); 4581253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray CBLAS_CallFromC = 0; 4681253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray RowMajorStrg = 0; 4781253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray return; 4881253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray } 4981253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray #ifdef F77_CHAR 5081253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray F77_UL = C2F_CHAR(&UL); 5181253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray #endif 5281253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray F77_ssbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X, 5381253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray &F77_incX, &beta, Y, &F77_incY); 5481253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray }else if (order == CblasRowMajor) 5581253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray { 5681253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray RowMajorStrg = 1; 5781253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray if (Uplo == CblasUpper) UL = 'L'; 5881253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray else if (Uplo == CblasLower) UL = 'U'; 5981253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray else 6081253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray { 6181253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray cblas_xerbla(2, "cblas_ssbmv","Illegal Uplo setting, %d\n", Uplo); 6281253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray CBLAS_CallFromC = 0; 6381253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray RowMajorStrg = 0; 6481253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray return; 6581253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray } 6681253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray #ifdef F77_CHAR 6781253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray F77_UL = C2F_CHAR(&UL); 6881253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray #endif 6981253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray F77_ssbmv(F77_UL, &F77_N, &F77_K, &alpha, A, &F77_lda, X, 7081253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray &F77_incX, &beta, Y, &F77_incY); 7181253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray } 7281253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray else cblas_xerbla(1, "cblas_ssbmv", "Illegal Order setting, %d\n", order); 7381253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray CBLAS_CallFromC = 0; 7481253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray RowMajorStrg = 0; 7581253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray return; 7681253e9afbc34b99e9adc22ddf33a1bfac56c697Tim Murray} 77