diff options
Diffstat (limited to 'CBLAS/src/cblas_ztpmv.c')
-rw-r--r-- | CBLAS/src/cblas_ztpmv.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/CBLAS/src/cblas_ztpmv.c b/CBLAS/src/cblas_ztpmv.c new file mode 100644 index 00000000..db099d7c --- /dev/null +++ b/CBLAS/src/cblas_ztpmv.c @@ -0,0 +1,152 @@ +/* + * cblas_ztpmv.c + * The program is a C interface to ztpmv. + * + * Keita Teranishi 5/20/98 + * + */ +#include "cblas.h" +#include "cblas_f77.h" +void cblas_ztpmv(const CBLAS_LAYOUT layout, const CBLAS_UPLO Uplo, + const CBLAS_TRANSPOSE TransA, const CBLAS_DIAG Diag, + const int N, const void *Ap, void *X, const int incX) +{ + char TA; + char UL; + char DI; +#ifdef F77_CHAR + F77_CHAR F77_TA, F77_UL, F77_DI; +#else + #define F77_TA &TA + #define F77_UL &UL + #define F77_DI &DI +#endif +#ifdef F77_INT + F77_INT F77_N=N, F77_incX=incX; +#else + #define F77_N N + #define F77_incX incX +#endif + int n, i=0, tincX; + double *st=0,*x=(double *)X; + extern int CBLAS_CallFromC; + extern int RowMajorStrg; + RowMajorStrg = 0; + + CBLAS_CallFromC = 1; + if (layout == CblasColMajor) + { + if (Uplo == CblasUpper) UL = 'U'; + else if (Uplo == CblasLower) UL = 'L'; + else + { + cblas_xerbla(2, "cblas_ztpmv","Illegal Uplo setting, %d\n", Uplo); + CBLAS_CallFromC = 0; + RowMajorStrg = 0; + return; + } + if (TransA == CblasNoTrans) TA = 'N'; + else if (TransA == CblasTrans) TA = 'T'; + else if (TransA == CblasConjTrans) TA = 'C'; + else + { + cblas_xerbla(3, "cblas_ztpmv","Illegal TransA setting, %d\n", TransA); + CBLAS_CallFromC = 0; + RowMajorStrg = 0; + return; + } + if (Diag == CblasUnit) DI = 'U'; + else if (Diag == CblasNonUnit) DI = 'N'; + else + { + cblas_xerbla(4, "cblas_ztpmv","Illegal Diag setting, %d\n", Diag); + CBLAS_CallFromC = 0; + RowMajorStrg = 0; + return; + } + #ifdef F77_CHAR + F77_UL = C2F_CHAR(&UL); + F77_TA = C2F_CHAR(&TA); + F77_DI = C2F_CHAR(&DI); + #endif + F77_ztpmv( F77_UL, F77_TA, F77_DI, &F77_N, Ap, X, &F77_incX); + } + else if (layout == CblasRowMajor) + { + RowMajorStrg = 1; + if (Uplo == CblasUpper) UL = 'L'; + else if (Uplo == CblasLower) UL = 'U'; + else + { + cblas_xerbla(2, "cblas_ztpmv","Illegal Uplo setting, %d\n", Uplo); + CBLAS_CallFromC = 0; + RowMajorStrg = 0; + return; + } + + if (TransA == CblasNoTrans) TA = 'T'; + else if (TransA == CblasTrans) TA = 'N'; + else if (TransA == CblasConjTrans) + { + TA = 'N'; + if ( N > 0) + { + if(incX > 0) + tincX = incX; + else + tincX = -incX; + i = tincX << 1; + n = i * N; + x++; + st = x + n; + do + { + *x = -(*x); + x += i; + } + while (x != st); + x -= n; + } + } + else + { + cblas_xerbla(3, "cblas_ztpmv","Illegal TransA setting, %d\n", TransA); + CBLAS_CallFromC = 0; + RowMajorStrg = 0; + return; + } + + if (Diag == CblasUnit) DI = 'U'; + else if (Diag == CblasNonUnit) DI = 'N'; + else + { + cblas_xerbla(4, "cblas_ztpmv","Illegal Diag setting, %d\n", Diag); + CBLAS_CallFromC = 0; + RowMajorStrg = 0; + return; + } + #ifdef F77_CHAR + F77_UL = C2F_CHAR(&UL); + F77_TA = C2F_CHAR(&TA); + F77_DI = C2F_CHAR(&DI); + #endif + + F77_ztpmv( F77_UL, F77_TA, F77_DI, &F77_N, Ap, X,&F77_incX); + if (TransA == CblasConjTrans) + { + if (N > 0) + { + do + { + *x = -(*x); + x += i; + } + while (x != st); + } + } + } + else cblas_xerbla(1, "cblas_ztpmv", "Illegal layout setting, %d\n", layout); + CBLAS_CallFromC = 0; + RowMajorStrg = 0; + return; +} |