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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-13 12:02:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-13 12:02:29 +0000
commit751ac5be401fcb4b633a5ea3116de2f9d7452bbb (patch)
tree442d9b37f3c5f5d306a9eef7b35363b78ac1c5a3 /src/mt19937ar-cok/mt19937ar-cok.h
parentAdding upstream version 0.36. (diff)
downloadnwipe-upstream/0.37.tar.xz
nwipe-upstream/0.37.zip
Adding upstream version 0.37.upstream/0.37upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/mt19937ar-cok/mt19937ar-cok.h25
1 files changed, 12 insertions, 13 deletions
diff --git a/src/mt19937ar-cok/mt19937ar-cok.h b/src/mt19937ar-cok/mt19937ar-cok.h
index afcc873..202a0f5 100644
--- a/src/mt19937ar-cok/mt19937ar-cok.h
+++ b/src/mt19937ar-cok/mt19937ar-cok.h
@@ -1,30 +1,29 @@
/*
- * mt19937ar-cok.h: The Mersenne Twister PRNG implementation for nwipe.
- *
+ * mt19937ar-cok.h: The Mersenne Twister PRNG implementation for nwipe.
*/
#ifndef MT19937AR_H_
#define MT19937AR_H_
/* Period parameters */
-#define N 624
-#define M 397
-#define MATRIX_A 0x9908b0dfUL /* constant vector a */
+#define MT_STATE_SIZE 624
+#define MT_MIDDLE_WORD 397
+#define MATRIX_A 0x9908b0dfUL /* constant vector a */
#define UMASK 0x80000000UL /* most significant w-r bits */
#define LMASK 0x7fffffffUL /* least significant r bits */
-#define MIXBITS(u,v) ( ((u) & UMASK) | ((v) & LMASK) )
-#define TWIST(u,v) ((MIXBITS(u,v) >> 1) ^ ((v)&1UL ? MATRIX_A : 0UL))
+#define MIXBITS( u, v ) ( ( (u) &UMASK ) | ( (v) &LMASK ) )
+#define TWIST( u, v ) ( ( MIXBITS( u, v ) >> 1 ) ^ ( (v) &1UL ? MATRIX_A : 0UL ) )
typedef struct twister_state_t_
{
- unsigned long array[N];
- int left;
- int initf;
- unsigned long *next;
-} twister_state_t;
+ unsigned long array[MT_STATE_SIZE]; // Updated to use MT_STATE_SIZE
+ int left;
+ int initf;
+ unsigned long* next;
+} twister_state_t;
/* Initialize the MT state. ( 0 < key_length <= 624 ). */
-void twister_init( twister_state_t* state, unsigned long init_key[], unsigned long key_length);
+void twister_init( twister_state_t* state, unsigned long init_key[], unsigned long key_length );
/* Generate a random integer on the [0,0xffffffff] interval. */
unsigned long twister_genrand_int32( twister_state_t* state );