summaryrefslogtreecommitdiff
path: root/libs/ode-0.16.1/OPCODE/Ice/IceRandom.h
diff options
context:
space:
mode:
authorsanine <sanine.not@pm.me>2022-10-01 20:59:36 -0500
committersanine <sanine.not@pm.me>2022-10-01 20:59:36 -0500
commitc5fc66ee58f2c60f2d226868bb1cf5b91badaf53 (patch)
tree277dd280daf10bf77013236b8edfa5f88708c7e0 /libs/ode-0.16.1/OPCODE/Ice/IceRandom.h
parent1cf9cc3408af7008451f9133fb95af66a9697d15 (diff)
add ode
Diffstat (limited to 'libs/ode-0.16.1/OPCODE/Ice/IceRandom.h')
-rw-r--r--libs/ode-0.16.1/OPCODE/Ice/IceRandom.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/libs/ode-0.16.1/OPCODE/Ice/IceRandom.h b/libs/ode-0.16.1/OPCODE/Ice/IceRandom.h
new file mode 100644
index 0000000..3170b33
--- /dev/null
+++ b/libs/ode-0.16.1/OPCODE/Ice/IceRandom.h
@@ -0,0 +1,42 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+/**
+ * Contains code for random generators.
+ * \file IceRandom.h
+ * \author Pierre Terdiman
+ * \date August, 9, 2001
+ */
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// Include Guard
+#ifndef __ICERANDOM_H__
+#define __ICERANDOM_H__
+
+ FUNCTION ICECORE_API void SRand(udword seed);
+ FUNCTION ICECORE_API udword Rand();
+
+ //! Returns a unit random floating-point value
+ inline_ float UnitRandomFloat() { return float(Rand()) * ONE_OVER_RAND_MAX; }
+
+ //! Returns a random index so that 0<= index < max_index
+ ICECORE_API udword GetRandomIndex(udword max_index);
+
+ class ICECORE_API BasicRandom
+ {
+ public:
+
+ //! Constructor
+ inline_ BasicRandom(udword seed=0) : mRnd(seed) {}
+ //! Destructor
+ inline_ ~BasicRandom() {}
+
+ inline_ void SetSeed(udword seed) { mRnd = seed; }
+ inline_ udword GetCurrentValue() const { return mRnd; }
+ inline_ udword Randomize() { mRnd = mRnd * 2147001325 + 715136305; return mRnd; }
+
+ private:
+ udword mRnd;
+ };
+
+#endif // __ICERANDOM_H__
+