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/* FreeRDP: A Remote Desktop Protocol Client
* Sign operations.
* vi:ts=4 sw=4:
*
* (c) Copyright 2012 Hewlett-Packard Development Company, L.P.
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. You may obtain
* a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#include <freerdp/config.h>
#include <freerdp/types.h>
#include <freerdp/primitives.h>
#include "prim_internal.h"
/* ----------------------------------------------------------------------------
* Set pDst to the sign-value of the 16-bit values in pSrc (-1, 0, or 1).
*/
static pstatus_t general_sign_16s(const INT16* pSrc, INT16* pDst, UINT32 len)
{
while (len--)
{
INT16 src = *pSrc++;
*pDst++ = (src < 0) ? (-1) : ((src > 0) ? 1 : 0);
}
return PRIMITIVES_SUCCESS;
}
/* ------------------------------------------------------------------------- */
void primitives_init_sign(primitives_t* prims)
{
/* Start with the default. */
prims->sign_16s = general_sign_16s;
}
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