diff options
Diffstat (limited to 'include/rand.h')
| -rw-r--r-- | include/rand.h | 48 |
1 files changed, 30 insertions, 18 deletions
diff --git a/include/rand.h b/include/rand.h index 58eb2cf0e320..7546891dbd64 100644 --- a/include/rand.h +++ b/include/rand.h @@ -65,7 +65,7 @@ * @param ptr A void ptr to some data that will help generate the random ulong. * @return The random ulong. */ -typedef ulong (*BcRandUlong)(void *ptr); +typedef ulong (*BcRandUlong)(void* ptr); #if BC_LONG_BIT >= 64 @@ -178,8 +178,8 @@ typedef __uint128_t BcRandState; #else // BC_RAND_BUILTIN /// A typedef for the PCG state. -typedef struct BcRandState { - +typedef struct BcRandState +{ /// The low bits. uint_fast64_t lo; @@ -241,7 +241,10 @@ typedef struct BcRandState { * @param l The low 64 bits. * @return The constant built from @a h and @a l. */ -#define BC_RAND_CONSTANT(h, l) { .lo = (l), .hi = (h) } +#define BC_RAND_CONSTANT(h, l) \ + { \ + .lo = (l), .hi = (h) \ + } /** * Truncates a PCG state to the number of bits in a random integer. @@ -272,7 +275,7 @@ typedef struct BcRandState { * @param n The integer to truncate. * @return The bottom 32 bits of @a n. */ -#define BC_RAND_TRUNC32(n) ((n) & BC_RAND_BOTTOM32) +#define BC_RAND_TRUNC32(n) ((n) & (BC_RAND_BOTTOM32)) /** * Returns the second 32 bits of @a n. @@ -419,8 +422,8 @@ typedef uint_fast64_t BcRandState; #define BC_RAND_SRAND_BITS ((1 << CHAR_BIT) - 1) /// The actual RNG data. These are the actual PRNG's. -typedef struct BcRNGData { - +typedef struct BcRNGData +{ /// The state. BcRandState state; @@ -431,8 +434,8 @@ typedef struct BcRNGData { /// The public PRNG. This is just a stack of PRNG's to maintain the globals /// stack illusion. -typedef struct BcRNG { - +typedef struct BcRNG +{ /// The stack of PRNG's. BcVec v; @@ -442,7 +445,8 @@ typedef struct BcRNG { * Initializes a BcRNG. * @param r The BcRNG to initialize. */ -void bc_rand_init(BcRNG *r); +void +bc_rand_init(BcRNG* r); #if BC_RAND_USE_FREE @@ -451,7 +455,8 @@ void bc_rand_init(BcRNG *r); * exit. * @param r The BcRNG to free. */ -void bc_rand_free(BcRNG *r); +void +bc_rand_free(BcRNG* r); #endif // BC_RAND_USE_FREE @@ -460,7 +465,8 @@ void bc_rand_free(BcRNG *r); * @param r The PRNG. * @return A random integer. */ -BcRand bc_rand_int(BcRNG *r); +BcRand +bc_rand_int(BcRNG* r); /** * Returns a random integer from the PRNG bounded by @a bound. Bias is @@ -469,7 +475,8 @@ BcRand bc_rand_int(BcRNG *r); * @param bound The bound for the random integer. * @return A bounded random integer. */ -BcRand bc_rand_bounded(BcRNG *r, BcRand bound); +BcRand +bc_rand_bounded(BcRNG* r, BcRand bound); /** * Seed the PRNG with the state in two parts and the increment in two parts. @@ -479,13 +486,15 @@ BcRand bc_rand_bounded(BcRNG *r, BcRand bound); * @param inc1 The first part of the increment. * @param inc2 The second part of the increment. */ -void bc_rand_seed(BcRNG *r, ulong state1, ulong state2, ulong inc1, ulong inc2); +void +bc_rand_seed(BcRNG* r, ulong state1, ulong state2, ulong inc1, ulong inc2); /** * Pushes a new PRNG onto the PRNG stack. * @param r The PRNG. */ -void bc_rand_push(BcRNG *r); +void +bc_rand_push(BcRNG* r); /** * Pops one or all but one items off of the PRNG stack. @@ -493,7 +502,8 @@ void bc_rand_push(BcRNG *r); * @param reset True if all but one PRNG should be popped off the stack, false * if only one should be popped. */ -void bc_rand_pop(BcRNG *r, bool reset); +void +bc_rand_pop(BcRNG* r, bool reset); /** * Returns, via pointers, the state of the PRNG in pieces. @@ -503,13 +513,15 @@ void bc_rand_pop(BcRNG *r, bool reset); * @param i1 The return value for the first part of the increment. * @param i2 The return value for the second part of the increment. */ -void bc_rand_getRands(BcRNG *r, BcRand *s1, BcRand *s2, BcRand *i1, BcRand *i2); +void +bc_rand_getRands(BcRNG* r, BcRand* s1, BcRand* s2, BcRand* i1, BcRand* i2); /** * Seed the PRNG with random data. * @param rng The PRNG. */ -void bc_rand_srand(BcRNGData *rng); +void +bc_rand_srand(BcRNGData* rng); /// A reference to a constant multiplier. extern const BcRandState bc_rand_multiplier; |