556b091940
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@27 bbd45198-f89e-11dd-88c7-29a3b14d5316
40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/********************************************************************
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* *
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* THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
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* *
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* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
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* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
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* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
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* *
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* THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
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* BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
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* *
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********************************************************************
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function: arm7 and later wide math functions
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********************************************************************/
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#ifndef __ASM_ARM_H__
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#define __ASM_ARM_H__
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int32_t MULT32(int32_t x, int32_t y);
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int32_t MULT31(int32_t x, int32_t y);
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int32_t MULT31_SHIFT15(int32_t x, int32_t y);
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#define MB()
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void XPROD32(int32_t a, int32_t b,
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int32_t t, int32_t v,
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int32_t *x, int32_t *y);
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void XPROD31(int32_t a, int32_t b,
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int32_t t, int32_t v,
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int32_t *x, int32_t *y);
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void XNPROD31(int32_t a, int32_t b,
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int32_t t, int32_t v,
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int32_t *x, int32_t *y);
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int32_t CLIP_TO_15(int32_t x);
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#endif
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