mirror of https://github.com/FreeRDP/FreeRDP
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/* FreeRDP: A Remote Desktop Protocol Client
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* Sign operations.
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* vi:ts=4 sw=4:
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*
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* (c) Copyright 2012 Hewlett-Packard Development Company, L.P.
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License. You may obtain
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* a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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#include <freerdp/config.h>
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#include <freerdp/types.h>
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#include <freerdp/primitives.h>
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#include "prim_internal.h"
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#include "prim_sign.h"
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/* ----------------------------------------------------------------------------
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* Set pDst to the sign-value of the 16-bit values in pSrc (-1, 0, or 1).
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*/
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static pstatus_t general_sign_16s(const INT16* pSrc, INT16* pDst, UINT32 len)
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{
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while (len--)
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{
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INT16 src = *pSrc++;
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*pDst++ = (src < 0) ? (-1) : ((src > 0) ? 1 : 0);
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}
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return PRIMITIVES_SUCCESS;
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}
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/* ------------------------------------------------------------------------- */
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void primitives_init_sign(primitives_t* WINPR_RESTRICT prims)
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{
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/* Start with the default. */
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prims->sign_16s = general_sign_16s;
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}
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void primitives_init_sign_opt(primitives_t* WINPR_RESTRICT prims)
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{
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primitives_init_sign_ssse3(prims);
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}
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