cosmopolitan/tool/plinko/lib/cons.h
2022-04-07 20:30:22 -07:00

67 lines
1.5 KiB
C

#ifndef COSMOPOLITAN_TOOL_PLINKO_LIB_CONS_H_
#define COSMOPOLITAN_TOOL_PLINKO_LIB_CONS_H_
#include "tool/plinko/lib/error.h"
#include "tool/plinko/lib/plinko.h"
#include "tool/plinko/lib/types.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
forceinline void Set(int i, dword t) {
#ifndef NDEBUG
DCHECK_NE(0, i);
DCHECK_LT(i, TERM);
DCHECK_LT(LO(t), TERM);
DCHECK_LE(HI(t), TERM);
if (i < 0) {
DCHECK_LT(i, LO(t), "topology compromised");
DCHECK_LT(i, HI(t), "topology compromised");
} else {
DCHECK_GE(LO(t), 0);
DCHECK_GE(HI(t), 0);
}
#endif
g_mem[i & (BANE | MASK(BANE))] = t;
++cSets;
}
forceinline int Alloc(dword t) {
int c = cx;
if (!__builtin_sub_overflow(c, 1, &c)) {
Set(c, t);
return cx = c;
}
OutOfMemory();
}
forceinline void SetShadow(int i, dword t) {
#ifndef NDEBUG
DCHECK_GE(i, cx);
DCHECK_LT(i, TERM);
DCHECK_GE(LO(t), 0);
/* if (i < 0) DCHECK_GE(HI(t), i, "topology compromised"); */
#endif
((__seg_fs dword *)((uintptr_t)g_mem))[i & (BANE | MASK(BANE))] = t;
}
forceinline int Cons(int x, int y) {
int c;
c = Alloc(MAKE(x, y));
SetShadow(c, DF(DispatchPlan));
return c;
}
forceinline int Alist(int x, int y, int z) {
return Cons(Cons(x, y), z);
}
int List(int, int);
int List3(int, int, int);
int List4(int, int, int, int);
int Shadow(int, int);
int GetCommonCons(int, int);
int ShareCons(int, int);
int ShareList(int, int);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_TOOL_PLINKO_LIB_CONS_H_ */