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authorMatthew Strapp <msattr@gmail.com>2019-02-20 16:00:41 -0600
committerMatthew Strapp <msattr@gmail.com>2019-02-20 16:00:41 -0600
commit93ff5f30e854390dc6bb790414e13986144514fa (patch)
tree3ae048da5dfafaa05f6573fd8a29a402a38a0470 /ee1301/wk3/lab3
parent(Screams internally) (diff)
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Finish Lab 3
Diffstat (limited to '')
-rw-r--r--ee1301/wk3/lab3/RootBabylon2.cpp40
-rw-r--r--ee1301/wk3/lab3/RootBabylonOG.cpp (renamed from ee1301/wk3/lab3/RtBab.cpp)10
-rw-r--r--ee1301/wk3/lab3/fib.cpp2
-rw-r--r--ee1301/wk3/lab3/mysteryBox.cpp2
-rw-r--r--ee1301/wk3/lab3/strap012_lab3_decimal_roman_conv.cpp41
5 files changed, 86 insertions, 9 deletions
diff --git a/ee1301/wk3/lab3/RootBabylon2.cpp b/ee1301/wk3/lab3/RootBabylon2.cpp
new file mode 100644
index 0000000..c6daa37
--- /dev/null
+++ b/ee1301/wk3/lab3/RootBabylon2.cpp
@@ -0,0 +1,40 @@
+#include <iostream>
+#include <iomanip>
+#include <cmath>
+using namespace std;
+
+double gennewGuess(double n, double old_guess) {
+ double real, old;
+ real=sqrt(n);
+ double new_guess = ( old_guess + n / old_guess ) / 2;
+ old=new_guess;
+ if (((new_guess-real)/real)>0.01) { //This will be true if the difference between the real root and guess is more than 1%.
+ // cout << old << endl;
+ return gennewGuess(n, old);
+ } else {
+ // cout << old << endl;
+ return new_guess;
+ }
+}
+int main () {
+ double temp;
+ char cont;
+ do {
+ cout << "enter a value: ";
+ cin >> temp;
+ int n=temp;
+ if (temp<=0) {
+ cout << "Please enter a valid input(Positive Integer)." << endl;
+ return sqrt(-1);
+ }
+ //cout << "Guessing..." << endl;
+ temp = gennewGuess(temp, 1.0);
+ cout << fixed << setprecision(0) << "square root of " << n << " is " << temp << endl
+ << "continue? (y/n): ";
+ cin >> cont;
+ if (cont!='n'&&cont!='y') {
+ return -1;
+ }
+} while (cont!='n');
+ // << "Actual Value: " << real << endl;
+}
diff --git a/ee1301/wk3/lab3/RtBab.cpp b/ee1301/wk3/lab3/RootBabylonOG.cpp
index d75bd9e..07c1951 100644
--- a/ee1301/wk3/lab3/RtBab.cpp
+++ b/ee1301/wk3/lab3/RootBabylonOG.cpp
@@ -3,15 +3,11 @@
using namespace std;
double gennewGuess(double n, double old_guess) {
- bool WA=true;
double real, old;
- //if (WA) {
- real=sqrt(n);
- WA=false;
- //}
+ real=sqrt(n);
double new_guess = ( old_guess + n / old_guess ) / 2;
old=new_guess;
- if (((new_guess-real)/real)>0.01) {
+ if (((new_guess-real)/real)>0.01) { //This will be true if the difference between the real root and guess is more than 1%.
cout << old << endl;
return gennewGuess(n, old);
} else {
@@ -25,7 +21,7 @@ int main () {
cin >> temp;
if (temp<=0) {
cout << "Please enter a valid input(Positive Integer)." << endl;
- return -1;
+ return sqrt(-1);
}
cout << "Guessing..." << endl;
double real=sqrt(temp);
diff --git a/ee1301/wk3/lab3/fib.cpp b/ee1301/wk3/lab3/fib.cpp
index 7508637..cd3a048 100644
--- a/ee1301/wk3/lab3/fib.cpp
+++ b/ee1301/wk3/lab3/fib.cpp
@@ -14,4 +14,4 @@ int main()
cout << endl;
}
cout << endl;
-} \ No newline at end of file
+}
diff --git a/ee1301/wk3/lab3/mysteryBox.cpp b/ee1301/wk3/lab3/mysteryBox.cpp
index c1a85a4..c409b7c 100644
--- a/ee1301/wk3/lab3/mysteryBox.cpp
+++ b/ee1301/wk3/lab3/mysteryBox.cpp
@@ -9,4 +9,4 @@ int main () {
sum++;
}
cout << sum;
-} \ No newline at end of file
+}
diff --git a/ee1301/wk3/lab3/strap012_lab3_decimal_roman_conv.cpp b/ee1301/wk3/lab3/strap012_lab3_decimal_roman_conv.cpp
new file mode 100644
index 0000000..6dbd3bc
--- /dev/null
+++ b/ee1301/wk3/lab3/strap012_lab3_decimal_roman_conv.cpp
@@ -0,0 +1,41 @@
+#include <iostream>
+#include <string>
+using namespace std;
+int main () {
+ int decimal;
+ cout << "Enter an integer value from 1 to 999: ";
+ cin >> decimal;
+ if (decimal<1||decimal>999) {
+ cout << " Invalid Input. Program terminated." << endl;
+ return 1453;
+ } else {
+ cout << "Roman numeral equivalent: ";
+ while (decimal!=0) {
+ if (decimal>900 && decimal<1000) {
+ cout << "CM"; decimal-=900; }
+ if (decimal>500 && decimal<900) {
+ cout << "D"; decimal-=500; }
+ if (decimal>400 && decimal<500) {
+ cout << "CD"; decimal-=400; }
+ if (decimal>100 && decimal<400) {
+ cout << "C"; decimal-=100; }
+ if (decimal>90 && decimal<100) {
+ cout << "XC"; decimal-=90; }
+ if (decimal>50 && decimal<90) {
+ cout << "L"; decimal-=50; }
+ if (decimal>40 && decimal<50) {
+ cout << "XL"; decimal-=40; }
+ if (decimal>10 && decimal<40) {
+ cout << "X"; decimal-=10; }
+ if (decimal==9) {
+ cout << "IX"; decimal-=9; }
+ if (decimal>5 && decimal<9) {
+ cout << "V"; decimal-=5; }
+ if (decimal==4) {
+ cout << "IV"; decimal-=4; }
+ if (decimal>=1 && decimal<4) {
+ cout << "I"; decimal-= 1; }
+ }}
+ cout << endl;
+ return 0;
+}