void cblas_cher2(const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo,
const int N, const void *alpha,
const void *X, const int incX,
const void *Y, const int incY, void *A, const int lda)
{
int info = 2000;
void *vx, *vy;
float *x0, *y0;
const float *x=X, *y=Y, *alp=alpha;
const float one[2]={ATL_rone, ATL_rzero};
#ifndef NoCblasErrorChecks
if (Order != CblasColMajor && Order != CblasRowMajor)
info = cblas_errprn(1, info, "Order must be %d or %d, but is set to %d",
CblasRowMajor, CblasColMajor, Order);
if (Uplo != CblasUpper && Uplo != CblasLower)
info = cblas_errprn(2, info, "UPLO must be %d or %d, but is set to %d",
CblasUpper, CblasLower, Uplo);
if (N < 0) info = cblas_errprn(3, info,
"N cannot be less than zero; is set to %d.", N);
if (!incX) info = cblas_errprn(6, info,
"incX cannot be zero; is set to %d.", incX);
if (!incY) info = cblas_errprn(8, info,
"incY cannot be zero; is set to %d.", incY);
if (lda < N || lda < 1)
info = cblas_errprn(10, info, "lda must be >= MAX(N,1): lda=%d N=%d",
lda, N);
if (info != 2000)
{
cblas_xerbla(info, "cblas_cher2", "");
return;
}
#endif
if (incX < 0) x += (1-N)*incX<<1;
if (incY < 0) y += (1-N)*incY<<1;
if (Order == CblasColMajor)
ATL_cher2(Uplo, N, alpha, x, incX, y, incY, A, lda);
else if (alp[0] != ATL_rzero || alp[1] != ATL_rzero)
{
vx = malloc(ATL_Cachelen + ATL_MulBySize(N));
vy = malloc(ATL_Cachelen + ATL_MulBySize(N));
ATL_assert(vx != NULL && vy != NULL);
x0 = ATL_AlignPtr(vx);
y0 = ATL_AlignPtr(vy);
ATL_cmoveConj(N, alpha, y, incY, y0, 1);
ATL_ccopyConj(N, x, incX, x0, 1);
ATL_cher2(( (Uplo == CblasUpper) ? CblasLower : CblasUpper ),
N, one, y0, 1, x0, 1, A, lda);
free(vx);
free(vy);
}
else ATL_cher2(( (Uplo == CblasUpper) ? CblasLower : CblasUpper ),
N, alpha, y, incY, x, incX, A, lda);
}
void cblas_cgerc(const enum CBLAS_ORDER Order, const int M, const int N,
const void *alpha, const void *X, const int incX,
const void *Y, const int incY, void *A, const int lda)
{
int info = 2000;
const float *x = X, *y = Y;
void *vy;
float *y0;
float one[2] = {ATL_rone, ATL_rzero};
#ifndef NoCblasErrorChecks
if (M < 0) info = cblas_errprn(2, info,
"M cannot be less than zero; is set to %d.", M);
if (N < 0) info = cblas_errprn(3, info,
"N cannot be less than zero; is set to %d.", N);
if (!incX) info = cblas_errprn(6, info,
"incX cannot be zero; is set to %d.", incX);
if (!incY) info = cblas_errprn(8, info,
"incY cannot be zero; is set to %d.", incY);
if (Order == CblasColMajor)
{
if (lda < M || lda < 1)
info = cblas_errprn(10, info, "lda must be >= MAX(M,1): lda=%d M=%d",
lda, M);
}
else if (Order == CblasRowMajor)
{
if (lda < N || lda < 1)
info = cblas_errprn(10, info, "lda must be >= MAX(N,1): lda=%d M=%d",
lda, N);
}
else
info = cblas_errprn(1, info, "Order must be %d or %d, but is set to %d",
CblasRowMajor, CblasColMajor, Order);
if (info != 2000)
{
cblas_xerbla(info, "cblas_cgerc", "");
return;
}
#endif
if (incX < 0) x += (1-M)*incX<<1;
if (incY < 0) y += (1-N)*incY<<1;
if (Order == CblasColMajor)
ATL_cgerc(M, N, alpha, x, incX, y, incY, A, lda);
else
{
vy = malloc(ATL_Cachelen + ATL_MulBySize(N));
ATL_assert(vy);
y0 = ATL_AlignPtr(vy);
ATL_cmoveConj(N, alpha, y, incY, y0, 1);
ATL_cgeru(N, M, one, y0, 1, x, incX, A, lda);
free(vy);
}
}
void cblas_chpr(const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo,
const int N, const float alpha,
const void *X, const int incX, void *A)
{
int info = 2000;
void *vx;
float one[2] = {ATL_rone, ATL_rzero};
float *x0;
const float *x=X;
#ifndef NoCblasErrorChecks
if (Order != CblasColMajor && Order != CblasRowMajor)
info = cblas_errprn(1, info, "Order must be %d or %d, but is set to %d",
CblasRowMajor, CblasColMajor, Order);
if (Uplo != CblasUpper && Uplo != CblasLower)
info = cblas_errprn(2, info, "UPLO must be %d or %d, but is set to %d",
CblasUpper, CblasLower, Uplo);
if (N < 0) info = cblas_errprn(3, info,
"N cannot be less than zero; is set to %d.", N);
if (!incX) info = cblas_errprn(6, info,
"incX cannot be zero; is set to %d.", incX);
if (info != 2000)
{
cblas_xerbla(info, "cblas_chpr", "");
return;
}
#endif
if (incX < 0) x += (1-N)*incX<<1;
if (Order == CblasColMajor)
ATL_chpr(Uplo, N, alpha, x, incX, A);
else if (alpha != ATL_rzero)
{
vx = malloc(ATL_Cachelen + ATL_MulBySize(N));
ATL_assert(vx);
x0 = ATL_AlignPtr(vx);
ATL_cmoveConj(N, one, x, incX, x0, 1);
ATL_chpr(( (Uplo == CblasUpper) ? CblasLower : CblasUpper ),
N, alpha, x0, 1, A);
free(vx);
}
else
ATL_chpr(( (Uplo == CblasUpper) ? CblasLower : CblasUpper ),
N, ATL_rzero, x, incX, A);
}
void cblas_chpmv(const enum CBLAS_ORDER Order, const enum CBLAS_UPLO Uplo,
const int N, const void *alpha, const void *A,
const void *X, const int incX,
const void *beta, void *Y, const int incY)
{
int info = 2000;
const enum CBLAS_UPLO ruplo = (Uplo == CblasUpper) ? CblasLower : CblasUpper;
void *vx;
float *X0, *x = (float*) X;
float *y = Y;
const float *alp=alpha;
const float *bet=beta;
float calpha[2], cbeta[2];
const float one[2] = {ATL_rone, ATL_rzero};
calpha[0] = *alp;
calpha[1] = -alp[1];
cbeta[0] = *bet;
cbeta[1] = -bet[1];
#ifndef NoCblasErrorChecks
if (Order != CblasColMajor && Order != CblasRowMajor)
info = cblas_errprn(1, info, "Order must be %d or %d, but is set to %d",
CblasRowMajor, CblasColMajor, Order);
if (Uplo != CblasUpper && Uplo != CblasLower)
info = cblas_errprn(2, info,
"Uplo must be %d or %d, but is set to %d",
CblasUpper, CblasLower, Uplo);
if (N < 0) info = cblas_errprn(3, info,
"N cannot be less than zero; is set to %d.", N);
if (!incX) info = cblas_errprn(7, info,
"incX cannot be zero; is set to %d.", incX);
if (!incY) info = cblas_errprn(10, info,
"incY cannot be zero; is set to %d.", incY);
if (info != 2000)
{
cblas_xerbla(info, "cblas_chpmv", "");
return;
}
#endif
if (incX < 0) x += (1-N)*incX<<1;
if (incY < 0) y += (1-N)*incY<<1;
if (Order == CblasColMajor)
ATL_chpmv(Uplo, N, alpha, A, x, incX, beta, y, incY);
else
{
vx = malloc(ATL_Cachelen + 2*N*sizeof(float));
ATL_assert(vx);
X0 = x;
x = ATL_AlignPtr(vx);
ATL_cmoveConj(N, calpha, X0, incX, x, 1);
if (*bet != ATL_rzero || bet[1] != ATL_rzero)
{
ATL_cscalConj(N, cbeta, y, incY);
ATL_chpmv(ruplo, N, one, A, x, 1, one, y, incY);
}
else ATL_chpmv(ruplo, N, one, A, x, 1, beta, y, incY);
free(vx);
ATL_cscalConj(N, one, y, incY);
}
}
