/*********************************************************************/
/* 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

#undef MAX_K

#ifdef USE_ABS

#if defined(DOUBLE)
#define ABS fabs
#else
#define ABS fabsf
#endif

#ifndef USE_MIN

/* ABS & MAX */
#ifndef COMPLEX
#ifdef XDOUBLE
#define MAX_K	QAMAX_K
#elif defined(DOUBLE)
#define MAX_K	DAMAX_K
#else
#define MAX_K	SAMAX_K
#endif
#else
#ifdef XDOUBLE
#define MAX_K	XAMAX_K
#elif defined(DOUBLE)
#define MAX_K	ZAMAX_K
#else
#define MAX_K	CAMAX_K
#endif
#endif

#else

/* ABS & MIN */
#ifndef COMPLEX
#ifdef XDOUBLE
#define MAX_K	QAMIN_K
#elif defined(DOUBLE)
#define MAX_K	DAMIN_K
#else
#define MAX_K	SAMIN_K
#endif
#else
#ifdef XDOUBLE
#define MAX_K	XAMIN_K
#elif defined(DOUBLE)
#define MAX_K	ZAMIN_K
#else
#define MAX_K	CAMIN_K
#endif
#endif

#endif

#else

#define ABS

#ifndef USE_MIN

/* MAX */
#ifdef XDOUBLE
#define MAX_K	QMAX_K
#elif defined(DOUBLE)
#define MAX_K	DMAX_K
#else
#define MAX_K	SMAX_K
#endif

#else

/* MIN */
#ifdef XDOUBLE
#define MAX_K	QMIN_K
#elif defined(DOUBLE)
#define MAX_K	DMIN_K
#else
#define MAX_K	SMIN_K
#endif

#endif

#endif

#ifndef CBLAS

FLOATRET NAME(blasint *N, FLOAT *x, blasint *INCX){

 BLASLONG n = *N;
 BLASLONG incx = *INCX;
 FLOATRET ret;

 PRINT_DEBUG_NAME;

 if (n <= 0) return 0;

#ifndef COMPLEX
 if (incx == 0) return (ABS(*x));
#else
 if (incx == 0) return (ABS(*x) + ABS(*(x+1)));
#endif

 IDEBUG_START;

 FUNCTION_PROFILE_START();

 ret = (FLOATRET)MAX_K(n, x, incx);

 FUNCTION_PROFILE_END(COMPSIZE, n, 0);

 IDEBUG_END;

 return ret;
}

#else

#ifdef COMPLEX
FLOAT CNAME(blasint n, void *vx, blasint incx){
 FLOAT *x = (FLOAT*) vx;
#else
FLOAT CNAME(blasint n, FLOAT *x, blasint incx){
#endif
 
 FLOAT ret;

 PRINT_DEBUG_CNAME;

 if (n <= 0) return 0;

#ifndef COMPLEX
 if (incx == 0) return (ABS(*x));
#else
 if (incx == 0) return (ABS(*x) + ABS(*(x+1)));
#endif

 IDEBUG_START;

 FUNCTION_PROFILE_START();

 ret = MAX_K(n, x, incx);

 FUNCTION_PROFILE_END(COMPSIZE, n, 0);

 IDEBUG_END;

 return ret;
}

#endif