50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
typedef uintptr_t value_t;
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typedef uintptr_t ufixnum_t;
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typedef intptr_t fixnum_t;
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#ifdef BITS64
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#define T_FIXNUM T_INT64
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#else
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#define T_FIXNUM T_INT32
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#endif
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void DivideByZeroError(void) __attribute__((__noreturn__));
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void lerrorf(value_t e, const char *format, ...)
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__attribute__((__noreturn__));
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void lerror(value_t e, const char *msg) __attribute__((__noreturn__));
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void fl_raise(value_t e) __attribute__((__noreturn__));
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void type_error(const char *fname, const char *expected, value_t got)
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__attribute__((__noreturn__));
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void bounds_error(const char *fname, value_t arr, value_t ind)
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__attribute__((__noreturn__));
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// branch prediction annotations
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#ifdef __GNUC__
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#define __unlikely(x) __builtin_expect(!!(x), 0)
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#define __likely(x) __builtin_expect(!!(x), 1)
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#else
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#define __unlikely(x) (x)
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#define __likely(x) (x)
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#endif
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#define DBL_MAXINT 9007199254740992LL
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#define FLT_MAXINT 16777216
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#define U64_MAX 18446744073709551615ULL
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#define S64_MAX 9223372036854775807LL
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#define S64_MIN (-S64_MAX - 1LL)
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#define BIT63 0x8000000000000000LL
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#define BIT31 0x80000000
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#define LOG2_10 3.3219280948873626
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#define sign_bit(r) ((*(int64_t *)&(r)) & BIT63)
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#define LABS(n) (((n) ^ ((n) >> (NBITS - 1))) - ((n) >> (NBITS - 1)))
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#define NBABS(n, nb) (((n) ^ ((n) >> ((nb)-1))) - ((n) >> ((nb)-1)))
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#define DFINITE(d) \
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(((*(int64_t *)&(d)) & 0x7ff0000000000000LL) != 0x7ff0000000000000LL)
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#define DNAN(d) ((d) != (d))
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