Range and Interval Operations

include/math/range.h View source View on GitHub

Structs

range

struct range (2 fields) source

§ uint64_t low

§ uint64_t hi

Macros

IN_RANGE

#define IN_RANGE(x, min, max)

source

Expansion

#define IN_RANGE(x, min, max) \
    ({ \
        __auto_type __ir_x = (x); \
        __auto_type __ir_lo = (min); \
        __auto_type __ir_hi = (max); \
        typedef ct_common_type_2(__ir_x, __ir_lo) __ir_t1; \
        typedef ct_common_type_2((__ir_t1) 0, __ir_hi) __ir_t; \
        ct_typecheck_widenable_to((__ir_t) 0, x); \
        ct_typecheck_widenable_to((__ir_t) 0, min); \
        ct_typecheck_widenable_to((__ir_t) 0, max); \
        __ir_t __ir_v = (__ir_t) __ir_x; \
        __ir_t __ir_l = (__ir_t) __ir_lo; \
        __ir_t __ir_h = (__ir_t) __ir_hi; \
        (void) enforce(__ir_l <= __ir_h); \
        (__ir_v >= __ir_l) && (__ir_v <= __ir_h); \
    })

RANGE

#define RANGE(min, max)

source

Expansion

#define RANGE(min, max) \
    ((struct range) {.low = (uint64_t) (min), .hi = (uint64_t) (max)})

RANGE_DEFINE

#define RANGE_DEFINE(type, name)

source

Expansion

#define RANGE_DEFINE(type, name) \
    struct { \
        type low; \
        type hi; \
    } name

RANGE_CONTAINS

#define RANGE_CONTAINS(r, val)

source

Expansion

#define RANGE_CONTAINS(r, val) \
    ({ \
        __auto_type __rc_r = (r); \
        __auto_type __rc_val = (val); \
        (__rc_val >= __rc_r.low && __rc_val <= __rc_r.hi); \
    })

RANGE_VALID

#define RANGE_VALID(r)

source

Expansion

#define RANGE_VALID(r) \
    ({ \
        __auto_type __rv_r = (r); \
        (__rv_r.low <= __rv_r.hi); \
    })