/usr/include/pari/paritune.h is in libpari-dev 2.5.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | #define PARI_TUNE
#ifdef PARI_TUNE
extern long SQRI_KARATSUBA_LIMIT;
extern long MULII_KARATSUBA_LIMIT;
extern long MULRR_MULII_LIMIT;
extern long SQRI_FFT_LIMIT;
extern long MULII_FFT_LIMIT;
extern long Fp_POW_REDC_LIMIT;
extern long Fp_POW_BARRETT_LIMIT;
extern long INVMOD_GMP_LIMIT;
extern long DIVRR_GMP_LIMIT;
extern long Flx_MUL_KARATSUBA_LIMIT;
extern long Flx_SQR_KARATSUBA_LIMIT;
extern long Flx_MUL_HALFMULII_LIMIT;
extern long Flx_SQR_HALFSQRI_LIMIT;
extern long Flx_MUL_MULII_LIMIT;
extern long Flx_SQR_SQRI_LIMIT;
extern long Flx_MUL_MULII2_LIMIT;
extern long Flx_SQR_SQRI2_LIMIT;
extern long Flx_INVMONTGOMERY_LIMIT;
extern long Flx_REM_MONTGOMERY_LIMIT;
extern long Flx_POW_MONTGOMERY_LIMIT;
extern long Flx_HALFGCD_LIMIT;
extern long Flx_GCD_LIMIT;
extern long Flx_EXTGCD_LIMIT;
extern long FpX_INVMONTGOMERY_LIMIT;
extern long FpX_REM_MONTGOMERY_LIMIT;
extern long FpX_POW_MONTGOMERY_LIMIT;
extern long FpX_HALFGCD_LIMIT;
extern long FpX_GCD_LIMIT;
extern long FpX_EXTGCD_LIMIT;
extern long EXPNEWTON_LIMIT;
extern long INVNEWTON_LIMIT;
extern long LOGAGM_LIMIT;
extern long LOGAGMCX_LIMIT;
extern long AGM_ATAN_LIMIT;
extern long RgX_SQR_LIMIT;
extern long RgX_MUL_LIMIT;
#else
# define SQRI_KARATSUBA_LIMIT __SQRI_KARATSUBA_LIMIT
# define MULII_KARATSUBA_LIMIT __MULII_KARATSUBA_LIMIT
# define MULRR_MULII_LIMIT __MULRR_MULII_LIMIT
# define SQRI_FFT_LIMIT __SQRI_FFT_LIMIT
# define MULII_FFT_LIMIT __MULII_FFT_LIMIT
# define Fp_POW_REDC_LIMIT __Fp_POW_REDC_LIMIT
# define Fp_POW_BARRETT_LIMIT __Fp_POW_BARRETT_LIMIT
# define INVMOD_GMP_LIMIT __INVMOD_GMP_LIMIT
# define DIVRR_GMP_LIMIT __DIVRR_GMP_LIMIT
# define EXPNEWTON_LIMIT __EXPNEWTON_LIMIT
# define INVNEWTON_LIMIT __INVNEWTON_LIMIT
# define LOGAGM_LIMIT __LOGAGM_LIMIT
# define LOGAGMCX_LIMIT __LOGAGMCX_LIMIT
# define AGM_ATAN_LIMIT __AGM_ATAN_LIMIT
# define Flx_MUL_KARATSUBA_LIMIT __Flx_MUL_KARATSUBA_LIMIT
# define Flx_SQR_KARATSUBA_LIMIT __Flx_SQR_KARATSUBA_LIMIT
# define Flx_MUL_HALFMULII_LIMIT __Flx_MUL_HALFMULII_LIMIT
# define Flx_SQR_HALFSQRI_LIMIT __Flx_SQR_HALFSQRI_LIMIT
# define Flx_MUL_MULII_LIMIT __Flx_MUL_MULII_LIMIT
# define Flx_SQR_SQRI_LIMIT __Flx_SQR_SQRI_LIMIT
# define Flx_MUL_MULII2_LIMIT __Flx_MUL_MULII2_LIMIT
# define Flx_SQR_SQRI2_LIMIT __Flx_SQR_SQRI2_LIMIT
# define Flx_INVMONTGOMERY_LIMIT __Flx_INVMONTGOMERY_LIMIT
# define Flx_REM_MONTGOMERY_LIMIT __Flx_REM_MONTGOMERY_LIMIT
# define Flx_POW_MONTGOMERY_LIMIT __Flx_POW_MONTGOMERY_LIMIT
# define Flx_HALFGCD_LIMIT __Flx_HALFGCD_LIMIT
# define Flx_GCD_LIMIT __Flx_GCD_LIMIT
# define Flx_EXTGCD_LIMIT __Flx_EXTGCD_LIMIT
# define FpX_INVMONTGOMERY_LIMIT __FpX_INVMONTGOMERY_LIMIT
# define FpX_REM_MONTGOMERY_LIMIT __FpX_REM_MONTGOMERY_LIMIT
# define FpX_POW_MONTGOMERY_LIMIT __FpX_POW_MONTGOMERY_LIMIT
# define FpX_HALFGCD_LIMIT __FpX_HALFGCD_LIMIT
# define FpX_GCD_LIMIT __FpX_GCD_LIMIT
# define FpX_EXTGCD_LIMIT __FpX_EXTGCD_LIMIT
# define RgX_SQR_LIMIT __RgX_SQR_LIMIT
# define RgX_MUL_LIMIT __RgX_MUL_LIMIT
#endif
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