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Teensy 4.1 core updated for C++20
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teensy-core-4.1/teensy3/arm_common_tables.h

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  1. /* ----------------------------------------------------------------------

  2. * Copyright (C) 2010 ARM Limited. All rights reserved.

  3. *

  4. * $Date:        11. November 2010

  5. * $Revision: 	V1.0.2

  6. *

  7. * Project: 	    CMSIS DSP Library

  8. * Title:	    arm_common_tables.h

  9. *

  10. * Description:	This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions

  11. *

  12. * Target Processor: Cortex-M4/Cortex-M3

  13. *

  14. * Version 1.0.2 2010/11/11

  15. *    Documentation updated.

  16. *

  17. * Version 1.0.1 2010/10/05

  18. *    Production release and review comments incorporated.

  19. * 

  20. * Version 1.0.0 2010/09/20

  21. *    Production release and review comments incorporated.

  22. * -------------------------------------------------------------------- */

  23. 

  24. #ifndef _ARM_COMMON_TABLES_H

  25. #define _ARM_COMMON_TABLES_H

  26. 

  27. #include "arm_math.h"

  28. 

  29. extern const uint16_t armBitRevTable[1024];

  30. extern const q15_t armRecipTableQ15[64];

  31. extern const q31_t armRecipTableQ31[64];

  32. extern const q31_t realCoefAQ31[1024];

  33. extern const q31_t realCoefBQ31[1024];

  34. extern const float32_t twiddleCoef[6144];

  35. extern const q31_t twiddleCoefQ31[6144];

  36. extern const q15_t twiddleCoefQ15[6144];

  37. 

  38. #endif /*  ARM_COMMON_TABLES_H */