OpenBLAS/interface/zdot.c

214 lines
5.7 KiB
C

/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin. */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* 1. Redistributions of source code must retain the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer. */
/* */
/* 2. Redistributions in binary form must reproduce the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer in the documentation and/or other materials */
/* provided with the distribution. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
/* POSSIBILITY OF SUCH DAMAGE. */
/* */
/* The views and conclusions contained in the software and */
/* documentation are those of the authors and should not be */
/* interpreted as representing official policies, either expressed */
/* or implied, of The University of Texas at Austin. */
/*********************************************************************/
#include <stdio.h>
#include "common.h"
#ifdef FUNCTION_PROFILE
#include "functable.h"
#endif
#ifdef RETURN_BY_STRUCT
#ifdef XDOUBLE
#define MYTYPE myxcomplex_t
#elif defined DOUBLE
#define MYTYPE myzcomplex_t
#else
#define MYTYPE myccomplex_t
#endif
#endif
#ifndef CBLAS
#ifdef RETURN_BY_STRUCT
MYTYPE NAME( blasint *N, FLOAT *x, blasint *INCX, FLOAT *y, blasint *INCY) {
#elif defined RETURN_BY_STACK
void NAME(OPENBLAS_COMPLEX_FLOAT *result, blasint *N, FLOAT *x, blasint *INCX, FLOAT *y, blasint *INCY) {
#else
OPENBLAS_COMPLEX_FLOAT NAME( blasint *N, FLOAT *x, blasint *INCX, FLOAT *y, blasint *INCY) {
#endif
BLASLONG n = *N;
BLASLONG incx = *INCX;
BLASLONG incy = *INCY;
#ifndef RETURN_BY_STACK
OPENBLAS_COMPLEX_FLOAT ret;
#endif
#ifdef RETURN_BY_STRUCT
MYTYPE myret;
#endif
#ifndef RETURN_BY_STRUCT
OPENBLAS_COMPLEX_FLOAT zero=OPENBLAS_MAKE_COMPLEX_FLOAT(0.0, 0.0);
#endif
PRINT_DEBUG_NAME;
if (n <= 0) {
#ifdef RETURN_BY_STRUCT
myret.r = 0.;
myret.i = 0.;
return myret;
#elif defined RETURN_BY_STACK
*result = zero;
return;
#else
return zero;
#endif
}
IDEBUG_START;
FUNCTION_PROFILE_START();
if (incx < 0) x -= (n - 1) * incx * 2;
if (incy < 0) y -= (n - 1) * incy * 2;
#ifdef RETURN_BY_STRUCT
#ifndef CONJ
ret = DOTU_K(n, x, incx, y, incy);
#else
ret = DOTC_K(n, x, incx, y, incy);
#endif
myret.r = CREAL ret;
myret.i = CIMAG ret;
FUNCTION_PROFILE_END(4, 2 * n, 2 * n);
IDEBUG_END;
return myret;
#elif defined RETURN_BY_STACK
#ifndef CONJ
*result = DOTU_K(n, x, incx, y, incy);
#else
*result = DOTC_K(n, x, incx, y, incy);
#endif
FUNCTION_PROFILE_END(4, 2 * n, 2 * n);
IDEBUG_END;
#else
#ifndef CONJ
ret = DOTU_K(n, x, incx, y, incy);
#else
ret = DOTC_K(n, x, incx, y, incy);
#endif
FUNCTION_PROFILE_END(4, 2 * n, 2 * n);
IDEBUG_END;
return ret;
#endif
}
#else
#ifdef FORCE_USE_STACK
void CNAME(blasint n, void *vx, blasint incx, void *vy, blasint incy, void* vresult){
OPENBLAS_COMPLEX_FLOAT *result= (OPENBLAS_COMPLEX_FLOAT*)vresult;
#else
OPENBLAS_COMPLEX_FLOAT CNAME(blasint n, void *vx, blasint incx, void *vy, blasint incy){
OPENBLAS_COMPLEX_FLOAT ret;
OPENBLAS_COMPLEX_FLOAT zero=OPENBLAS_MAKE_COMPLEX_FLOAT(0.0, 0.0);
#endif
FLOAT *x = (FLOAT*) vx;
FLOAT *y = (FLOAT*) vy;
PRINT_DEBUG_CNAME;
if (n <= 0) {
#ifdef FORCE_USE_STACK
OPENBLAS_COMPLEX_FLOAT zero=OPENBLAS_MAKE_COMPLEX_FLOAT(0.0, 0.0);
*result = zero;
// CREAL(*result) = 0.0;
// CIMAG(*result) = 0.0;
return;
#else
return zero;
#endif
}
if (incx < 0) x -= (n - 1) * incx * 2;
if (incy < 0) y -= (n - 1) * incy * 2;
IDEBUG_START;
FUNCTION_PROFILE_START();
#ifdef FORCE_USE_STACK
#ifndef CONJ
*result = DOTU_K(n, x, incx, y, incy);
#else
*result = DOTC_K(n, x, incx, y, incy);
#endif
FUNCTION_PROFILE_END(4, 2 * n, 2 * n);
IDEBUG_END;
#else
#ifndef CONJ
ret = DOTU_K(n, x, incx, y, incy);
#else
ret = DOTC_K(n, x, incx, y, incy);
#endif
FUNCTION_PROFILE_END(4, 2 * n, 2 * n);
IDEBUG_END;
return ret;
#endif
}
#endif