Hi guys
Can someone please help me out with this. when I try to compile the program below I get the following errors and I have no idea why.
LINKER ERRORS ----
cpu_cache_instructions.o:/exports/Simulations/opt/MIPS/bin/../lib/gcc/sde/3.4.4/../../../../include/c++/3.4.4/bits/locale_facets.tcc:2445: undefined reference to `std::string::size() const'
cpu_cache_instructions.o:/exports/Simulations/opt/MIPS/bin/../lib/gcc/sde/3.4.4/../../../../include/c++/3.4.4/bits/locale_facets.tcc:2454: undefined reference to `std::string:perator[](unsigned long) const'
cpu_cache_instructions.o:/exports/Simulations/opt/MIPS/bin/../lib/gcc/sde/3.4.4/../../../../include/c++/3.4.4/bits/locale_facets.tcc:2456: undefined reference to `std::string:
cpu_cache_instructions.o:/exports/Simulations/opt/MIPS/bin/../lib/gcc/sde/3.4.4/../../../../include/c++/3.4.4/bits/locale_facets.tcc:2459: undefined reference to `std::string:
cpu_cache_instructions.o: In function `main':
/home/vtwb73/usbdisk/Quik_Silva_Upc_FPII/test_bench/FP_Tests/fpchk_stddev.cpp:22: undefined reference to `rand'
/home/vtwb73/usbdisk/Quik_Silva_Upc_FPII/test_bench/FP_Tests/fpchk_stddev.cpp:32: undefined reference to `rand'
cpu_cache_instructions.o: In function `std_Dev(float*, int, float)':
/home/vtwb73/usbdisk/Quik_Silva_Upc_FPII/test_bench/FP_Tests/fpchk_stddev.cpp:110: undefined reference to `pow'
/home/vtwb73/usbdisk/Quik_Silva_Upc_FPII/test_bench/FP_Tests/fpchk_stddev.cpp:113: undefined reference to `sqrt'
cpu_cache_instructions.o: In function `__static_initialization_and_destruction_0':
/exports/Simulations/opt/MIPS/bin/../lib/gcc/sde/3.4.4/../../../../include/c++/3.4.4/iostream:77: undefined reference to `std::ios_base::Init::Init()'
/exports/Simulations/opt/MIPS/bin/../lib/gcc/sde/3.4.4/../../../../include/c++/3.4.4/iostream:77: undefined reference to `std::ios_base::Init::~Init()'
cpu_cache_instructions.o.eh_frame+0x11): undefined reference to `__gxx_personality_v0'
C++ CODE
Code:#include <iostream> #include <math.h> #include <cstdlib> using namespace std; //Display functions float calculateMean(float [], int); float std_Dev(float [], int, float); //enter main function int main() { //Declare variables int count, greater = 0, greater_eq = 0, less = 0, less_eq = 0, eq = 0, nt_eq = 0; float Nums[100], old_STDDev, new_STDDev; float score, totalScores = 0.0, mean = 0.0, STDDev; //ask user how many scores user wishes to enter ////cout << "How many scores do you wish to enter? "; count = rand(); old_STDDev = 0.0; //for loop statement to enter all the scores from the amount the user wishes to enter for (int i = 1; i <= 9; i++) { for (int num = 1; num <= 20; num++) { Nums[num] = rand(); //cout << "The Random Number is " << Nums[num] << ": \n"; } //Function to calculateMean() mean = calculateMean(Nums, 20); STDDev = std_Dev(Nums,20,mean); new_STDDev = STDDev; if ( new_STDDev > old_STDDev ) { greater++; } if ( new_STDDev < old_STDDev ) { less++; } if ( new_STDDev == old_STDDev ) { eq++; } if ( new_STDDev >= old_STDDev ) { greater_eq++; } if ( new_STDDev <= old_STDDev ) { less_eq++; } if ( new_STDDev != old_STDDev ) { nt_eq++; } old_STDDev = new_STDDev; } //cout <<"The Standard Deviation comparason was " << greater_eq <<" "<< less <<" "<< less_eq <<" "<< eq <<" "<< nt_eq <<" \n " << endl; //return a value return 0; } //calculate Mean function float calculateMean(float Nums[], int inSize) { //Declare variables float mean, sum, Standard_Deviation; //Calculate the mean for ( int i = 0; i < inSize; i++ ){ sum += Nums[i]; } mean = sum / inSize; //Display the mean //cout << "The mean is " << mean << "\n " << endl; return mean; } //calculateStandardDeviation() function float std_Dev ( float Nums[], int inSize, float avg ){ float sDev, sum2; for ( int i = 0; i < inSize; i++ ){ sum2 += pow( Nums[i] - avg, 2 ); } sDev = sqrt( sum2 / ( inSize - 1 ) ); //cout << "The STD Deviation is " << sDev << "\n " << endl; return sDev; }
