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34 lines
1.0 KiB
C++
34 lines
1.0 KiB
C++
Random.h - Header file for random number class
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#ifndef RANDOM_H_
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#define RANDOM_H_
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// Random class
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// This code assumes 32-bit ints,
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// which are standard on modern compilers.
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//
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// CONSTRUCTION: with (a) no initializer or (b) an integer
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// that specifies the initial state of the generator
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//
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// ******************PUBLIC OPERATIONS*********************
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// Return a random number according to some distribution:
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// int randomInt( ) --> Uniform, 1 to 2^31-1
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// int random0_1( ) --> Uniform, 0 to 1
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// int randomInt( int low, int high ) --> Uniform low..high
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class Random
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{
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public:
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explicit Random( int initialValue = 1 );
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int randomInt( );
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int randomIntWRONG( );
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double random0_1( );
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int randomInt( int low, int high );
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private:
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int state;
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};
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#endif
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