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Stage definitions to be integrated

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Justin Ethier 2022-06-04 14:52:48 -04:00
parent bbc345cc9b
commit c68c60f007
1 changed files with 45 additions and 0 deletions
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45
include/cyclone/types.h
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@ -851,6 +851,51 @@ typedef struct {
// TODO: digits (implicit, after object??) // TODO: digits (implicit, after object??)
} bignum2_type; } bignum2_type;
// TODO: covert applicable definitions below -
// #ifdef C_SIXTY_FOUR
// # define C_MOST_POSITIVE_FIXNUM 0x3fffffffffffffffL
// # define C_WORD_SIZE 64
// # define C_HALF_WORD_SIZE 32
// #else
// # define C_MOST_POSITIVE_FIXNUM 0x3fffffff
// # define C_WORD_SIZE 32
// # define C_HALF_WORD_SIZE 16
// #endif
//
// /* Tunable performance-related constants */
// #ifndef C_KARATSUBA_THRESHOLD
// /* This defines when we'll switch from schoolbook to Karatsuba
// * multiplication. The smallest of the two numbers determines the
// * switch. It is pretty high right now because it generates a bit
// * more garbage and GC overhead dominates the algorithmic performance
// * gains. If the GC is improved, this can be readjusted.
// */
// # define C_KARATSUBA_THRESHOLD 70
// #endif
// #ifndef C_BURNIKEL_ZIEGLER_THRESHOLD
// /* This defines when to switch from schoolbook to Burnikel-Ziegler
// * division. It creates even more garbage than Karatsuba :(
// */
// # define C_BURNIKEL_ZIEGLER_THRESHOLD 300
// #endif
// #ifndef C_RECURSIVE_TO_STRING_THRESHOLD
// /* This threshold is in terms of the expected string length. */
// # define C_RECURSIVE_TO_STRING_THRESHOLD 750
// #endif
//
// /* These might fit better in runtime.c? */
// #define C_fitsinbignumhalfdigitp(n) (C_BIGNUM_DIGIT_HI_HALF(n) == 0)
// #define C_BIGNUM_DIGIT_LENGTH C_WORD_SIZE
// #define C_BIGNUM_HALF_DIGIT_LENGTH C_HALF_WORD_SIZE
// #define C_BIGNUM_BITS_TO_DIGITS(n) \
// (((n) + (C_BIGNUM_DIGIT_LENGTH - 1)) / C_BIGNUM_DIGIT_LENGTH)
// #define C_BIGNUM_DIGIT_LO_HALF(d) (C_uhword)(d)
// #define C_BIGNUM_DIGIT_HI_HALF(d) (C_uhword)((d) >> C_BIGNUM_HALF_DIGIT_LENGTH)
// #define C_BIGNUM_DIGIT_COMBINE(h,l) ((C_uword)(h) << C_BIGNUM_HALF_DIGIT_LENGTH|(C_uhword)(l))
//
// #define C_MOST_POSITIVE_32_BIT_FIXNUM 0x3fffffff
// #define C_MOST_NEGATIVE_FIXNUM (-C_MOST_POSITIVE_FIXNUM - 1)
/** /**
* @brief Complex number * @brief Complex number
*/ */