65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
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/*
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*========================================================================================
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* (C) Copyright 2019 <EFBFBD><EFBFBD> "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>"
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* <EFBFBD>. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>: iqmath.h
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> iq
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*
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*========================================================================================
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*/
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#ifndef IQMATH_H_
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#define IQMATH_H_
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/*
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*----------------------------------------------------------------------------------------
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*<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*----------------------------------------------------------------------------------------
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*/
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/*
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*----------------------------------------------------------------------------------------
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*<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*----------------------------------------------------------------------------------------
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*/
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#define _IQsat(A, Pos, Neg) (__fmax(((__fmin((A),(Pos)))),(Neg)))
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#define _IQ(A) (A)
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#define _IQmpy(A, B) ((A) * (B))
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#define _IQdiv2(A) ((A) * 0.5f)
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#define _IQmpy2(A) ((A) * 2.0f)
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#define IQtoQ5(A) (long) ((A) * 32.0f)
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#define IQtoQ6(A) (long) ((A) * 64.0f)
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#define IQtoQ8(A) (long) ((A) * 256.0f)
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#define IQtoQ12(A) (long) ((A) * 4096.0f)
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#define Q5toIQ(A) (((float) (A)) * 0.031250f)
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#define Q6toIQ(A) (((float) (A)) * 0.015625f)
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#define ONEbySQRT3 0.57735026918963 /* 1/sqrt(3) */
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#define ABS(x) ( ((x) >= 0) ? (x) : -(x) )
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#define FABS(x) ( ((x) >= 0.0f) ? (x) : -(x) )
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/*
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*----------------------------------------------------------------------------------------
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*<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*----------------------------------------------------------------------------------------
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*/
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typedef float _iq;
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/*
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*----------------------------------------------------------------------------------------
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*<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*----------------------------------------------------------------------------------------
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*/
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/*
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*----------------------------------------------------------------------------------------
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*<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*----------------------------------------------------------------------------------------
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*/
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#endif /* IQMATH_H_ */
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