Remove ucore_ prefix from headers and source files

src/mersenne_twister.c

@@ -0,0 +1,76 @@
+/*Copyright (c) 2004 Nils O. Selåsdal <NOS {on} Utel {dot} no> */
+/*Straight forward attempt at a Mersenne Twister PRNG */
+
+#include "ucore/mersenne_twister.h"
+
+
+/*Beware , pollution. But the names are from the spec */
+enum {
+	N =  MT_RAND_N,
+	w =  32,
+	M =  387,
+	R =  19,
+	U =  0x80000000,
+	LL=  0x7FFFFFFF,
+	a =  0x9908B0DF,
+	s =  7,
+	t =  15,
+	b =  0x9D2C5680,
+	c =  0xEFC60000,
+	l =  18,
+	u =  11,
+};
+
+
+void mtsrand(int seed, MTRand *r)
+{
+	int j;
+	for (j = 0 ; j < N ; j++) {
+		r->x[j] = seed * ((j+1)<< 3)|0x1;
+	}
+    r->i = 0;
+
+}
+
+unsigned int mtrand(MTRand *r)
+{
+	unsigned int y;
+	unsigned int ch[] = {0, a};
+	
+	y = r->x[r->i] & U;
+	y |= r->x[r->i % N];
+	y &= LL;
+	
+	r->x[r->i] = r->x[(r->i + M ) %N];
+	r->x[r->i] ^= y >> 1;
+
+	r->x[r->i] ^= ch[y&0x1];
+	
+	y = r->x[r->i];
+	y ^= y >> u;
+	y ^= (y << s) & b;
+	y ^= (y << t) & c;
+	y ^= y >> l;
+
+	r->i = (r->i + 1) % N;
+
+	return y;
+}	
+#ifdef TEST_MT
+#include <stdio.h>
+#include <time.h>
+int main(int argc,char *argv[])
+{
+    MTRand r;
+	mtsrand(time(NULL),&r);
+	for (;;){
+		unsigned int _y = mtrand(&r);
+
+		if (_y < 100)
+		printf("%u \n",_y);
+	}
+
+	return 0;
+}
+
+#endif