Package mars.mips.instructions.syscalls

Class SyscallRandDouble

java.lang.Object

mars.mips.instructions.syscalls.AbstractSyscall

mars.mips.instructions.syscalls.SyscallRandDouble

All Implemented Interfaces:

Syscall

public class SyscallRandDouble
extends AbstractSyscall

Service to return a random floating point value.

Constructor Summary

Constructors

Constructor	Description
SyscallRandDouble()	Build an instance of the syscall with its default service number and name.

Method Summary

Modifier and Type	Method	Description
void	simulate(BasicStatement statement)	System call to the random number generator.

Methods inherited from class mars.mips.instructions.syscalls.AbstractSyscall

getName, getNumber, setNumber

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SyscallRandDouble

public SyscallRandDouble()

Build an instance of the syscall with its default service number and name.

Method Details

simulate

public void simulate(BasicStatement statement)
              throws SimulatorException

System call to the random number generator. Return in $f0 the next pseudorandom, uniformly distributed double value between 0.0 and 1.0 from this random number generator's sequence.

Specified by:

simulate in interface Syscall

Specified by:

simulate in class AbstractSyscall

Parameters:

statement - BasicStatement object for this syscall instruction.

Throws:

SimulatorException