Mercurial > hg > beaglert
diff include/ne10/NE10_macros.h @ 379:24c3a0663d54 prerelease
Added Ne10 headers within include directory
author | andrewm |
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date | Sun, 12 Jun 2016 18:16:20 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/include/ne10/NE10_macros.h Sun Jun 12 18:16:20 2016 +0100 @@ -0,0 +1,95 @@ +/* + * Copyright 2013-15 ARM Limited and Contributors. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of ARM Limited nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY ARM LIMITED AND CONTRIBUTORS "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 ARM LIMITED AND 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. + */ + +/* + * NE10 Library : inc/NE10_macros.h + */ + +/** NE10 defines a number of macros for use in its function signatures. + * The macros are defined within this header file. + */ + +#ifndef NE10_MACROS_H +#define NE10_MACROS_H + +#ifdef __cplusplus +extern "C" { +#endif + +///////////////////////////////////////////////////////// +// constant values that are used across the library +///////////////////////////////////////////////////////// + +#define NE10_PI (ne10_float32_t)(3.1415926535897932384626433832795) + +///////////////////////////////////////////////////////// +// some external macro definitions to be exposed to the users +///////////////////////////////////////////////////////// + +#define NE10_MALLOC malloc +#define NE10_FREE(p) \ + do { \ + free(p); \ + p = NULL; \ + }while(0) + +#define NE10_MIN(a,b) ((a)>(b)?(b):(a)) +#define NE10_MAX(a,b) ((a)<(b)?(b):(a)) + +#define NE10_BYTE_ALIGNMENT(address, alignment) \ + do { \ + (address) = (((address) + ((alignment) - 1)) & ~ ((alignment) - 1)); \ + }while (0) + +///////////////////////////////////////////////////////// +// macro definitions for float to fixed point +///////////////////////////////////////////////////////// +#define NE10_F2I16_MAX 32767 +#define NE10_F2I16_SHIFT 15 +#define NE10_F2I16_SAMPPROD ne10_int32_t +#define NE10_F2I16_OP(x) (ne10_int16_t)((x)*NE10_F2I16_MAX + 0.5f) +#define NE10_F2I16_SROUND(x) (ne10_int16_t)((((x)<<1)+(1<<NE10_F2I16_SHIFT))>>16) +#define NE10_F2I16_SMUL(a,b) ((NE10_F2I16_SAMPPROD)(a)*(b)) +#define NE10_F2I16_FIXDIV(c,div) \ + do { ((c).r) = ( ( ((c).r)/div) ); \ + ((c).i) = ( ( ((c).i)/div) ); }while (0) + +#define NE10_F2I32_MAX 2147483647 +#define NE10_F2I32_SHIFT 31 +#define NE10_F2I32_SAMPPROD ne10_int64_t +#define NE10_F2I32_OP(x) (ne10_int32_t)((x)*NE10_F2I32_MAX + 0.5f) +#define NE10_F2I32_SROUND(x) (ne10_int32_t) ((x)>>NE10_F2I32_SHIFT) +#define NE10_F2I32_SMUL(a,b) ((NE10_F2I32_SAMPPROD)(a)*(b)) +#define NE10_F2I32_FIXDIV(c,div) \ + do { ((c).r) = ( ( ((c).r)/div) ); \ + ((c).i) = ( ( ((c).i)/div) ); }while (0) + +#ifdef __cplusplus +} +#endif + +#endif