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[buddy]

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Remove more sanity checks when NDEBUG is set.

* src/kernel.h (CHECKnc): New macro.
* src/kernel.c (bdd_var, bdd_low, bdd_high, bdd_ithvar,
bdd_nithvar): Use it.
This commit is contained in:
Alexandre Duret-Lutz 2011-04-04 19:10:06 +02:00
parent c44b60f08f
commit 61d9e721a0
3 changed files with 26 additions and 13 deletions
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8
buddy/ChangeLog
View file

@ -1,3 +1,11 @@
2011-04-04 Alexandre Duret-Lutz <adl@lrde.epita.fr>
Remove more sanity checks when NDEBUG is set.
* src/kernel.h (CHECKnc): New macro.
* src/kernel.c (bdd_var, bdd_low, bdd_high, bdd_ithvar,
bdd_nithvar): Use it.
2011-04-03 Alexandre Duret-Lutz <adl@lrde.epita.fr> 2011-04-03 Alexandre Duret-Lutz <adl@lrde.epita.fr>
* src/kernel.h (CHECK, CHECKa, CHECKn): Disable if NDEBUG is set. * src/kernel.h (CHECK, CHECKa, CHECKn): Disable if NDEBUG is set.

22
buddy/src/kernel.c
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@ -874,11 +874,13 @@ RETURN {* The I'th variable on succes, otherwise the constant false bdd *}
ALSO {* bdd\_setvarnum, bdd\_nithvar, bddtrue, bddfalse *} */ ALSO {* bdd\_setvarnum, bdd\_nithvar, bddtrue, bddfalse *} */
BDD bdd_ithvar(int var) BDD bdd_ithvar(int var)
{ {
#ifndef NDEBUG
if (var < 0 || var >= bddvarnum) if (var < 0 || var >= bddvarnum)
{ {
bdd_error(BDD_VAR); bdd_error(BDD_VAR);
return bddfalse; return bddfalse;
} }
#endif
return bddvarset[var*2]; return bddvarset[var*2];
} }
@ -900,11 +902,13 @@ ALSO {* bdd\_setvarnum, bdd\_ithvar, bddtrue, bddfalse *}
*/ */
BDD bdd_nithvar(int var) BDD bdd_nithvar(int var)
{ {
#ifndef NDEBUG
if (var < 0 || var >= bddvarnum) if (var < 0 || var >= bddvarnum)
{ {
bdd_error(BDD_VAR); bdd_error(BDD_VAR);
return bddfalse; return bddfalse;
} }
#endif
return bddvarset[var*2+1]; return bddvarset[var*2+1];
} }
@ -937,10 +941,8 @@ RETURN {* The variable number. *}
int bdd_var(BDD root) int bdd_var(BDD root)
{ {
CHECK(root); CHECK(root);
if (root < 2) CHECKnc(root);
return bdd_error(BDD_ILLBDD); return bddlevel2var[LEVEL(root)];
return (bddlevel2var[LEVEL(root)]);
} }
@ -956,10 +958,8 @@ ALSO {* bdd\_high *}
BDD bdd_low(BDD root) BDD bdd_low(BDD root)
{ {
CHECK(root); CHECK(root);
if (root < 2) CHECKnc(root);
return bdd_error(BDD_ILLBDD); return LOW(root);
return (LOW(root));
} }
@ -975,10 +975,8 @@ ALSO {* bdd\_low *}
BDD bdd_high(BDD root) BDD bdd_high(BDD root)
{ {
CHECK(root); CHECK(root);
if (root < 2) CHECKnc(root);
return bdd_error(BDD_ILLBDD); return HIGH(root);
return (HIGH(root));
} }

9
buddy/src/kernel.h
View file

@ -58,6 +58,7 @@
#define CHECK(r) (void)(r); #define CHECK(r) (void)(r);
#define CHECKa(r,a) (void)(r); (void)(a); #define CHECKa(r,a) (void)(r); (void)(a);
#define CHECKn(r) (void)(r); #define CHECKn(r) (void)(r);
#define CHECKnc(r) (void)(r);
#else #else
/* Sanity check argument and return eventual error code */ /* Sanity check argument and return eventual error code */
#define CHECK(r)\ #define CHECK(r)\
@ -79,6 +80,12 @@
{ bdd_error(BDD_ILLBDD); return; }\ { bdd_error(BDD_ILLBDD); return; }\
else if (r >= 2 && LOW(r) == -1)\ else if (r >= 2 && LOW(r) == -1)\
{ bdd_error(BDD_ILLBDD); return; } { bdd_error(BDD_ILLBDD); return; }
/* r is non-constant */
#define CHECKnc(r)\
if (root < 2) \
return bdd_error(BDD_ILLBDD)
#endif #endif
/*=== SEMI-INTERNAL TYPES ==============================================*/ /*=== SEMI-INTERNAL TYPES ==============================================*/
@ -220,7 +227,7 @@ extern void bdd_fdd_done(void);
extern void bdd_reorder_init(void); extern void bdd_reorder_init(void);
extern void bdd_reorder_done(void); extern void bdd_reorder_done(void);
extern int bdd_reorder_ready(void); extern int bdd_reorder_ready(void) __purefn;
extern void bdd_reorder_auto(void); extern void bdd_reorder_auto(void);
extern int bdd_reorder_vardown(int); extern int bdd_reorder_vardown(int);
extern int bdd_reorder_varup(int); extern int bdd_reorder_varup(int);