func PointSlope() {
fmt.Print(c.CL)
strx1, err := i.Prompt(c.G + "Enter x1 point\n" + c.B + ">" + c.M)
u.QuitAtError(err)
stry1, err := i.Prompt(c.G + "Enter y1 point\n" + c.B + ">" + c.M)
u.QuitAtError(err)
strm, err := i.Prompt(c.G + "Enter slope\n" + c.B + ">" + c.M)
u.QuitAtError(err)
//all inputs now provided, to be converted.
x1, err := strconv.ParseFloat(strx1, 64)
u.QuitAtError(err)
y1, err := strconv.ParseFloat(stry1, 64)
u.QuitAtError(err)
m, err := strconv.ParseFloat(strm, 64)
u.QuitAtError(err)
//all data points provided and converted, now to math-a-tise.
fmt.Println(c.CL, c.G+"The formula is")
fmt.Println("y = m(x) + b")
u.Spacer(3)
//to find "b"
fmt.Println(y1, " = ", m, "(", x1, ") + b")
filler := x1 * m
//multiplies x1 and m to filler.
u.Spacer(1)
fmt.Println(y1, " = ", filler, " + b")
fmt.Println("-", filler, "---------------|")
//Shows subtraction
u.Spacer(1)
b := y1 - filler
fmt.Println(c.B2+"b = ", b)
u.Spacer(3)
fmt.Println(c.B3+"y = ", m, "(x) + ", b)
u.Go(1)
//prints out completed statment, ends function
}
func main() {
done := false
for done == false {
fmt.Println(c.CL+c.B3+"Welcome to Solvr ", c.V, "α 1.0.0")
fmt.Println(c.B2 + "Select a mode by typing the assosiated key in red")
u.Spacer(2)
fmt.Println(c.R+"{add}", c.G, "Basic mathmatics (add, subtract, multiply, devide)")
fmt.Println(c.R+"{mxb}", c.G, "Slope solver (y=m(x)+b)")
fmt.Println(c.R+"{soe}", c.G, "Systems of equations (y=m(x)+b, y=m(x)+b)")
//fmt.Println(c.R+"{alg}", c.G, "Simple algebra (10 + 5x = 6x)")
//fmt.Println(c.R+"{src}", c.G, "See the github source code (this will launch a webpage in your browser)")
fmt.Println(c.R+"{fin}", c.G, "Exit program")
mode, err := i.Prompt(c.M + ">" + c.B)
u.QuitAtError(err)
use := strings.ToLower(mode)
switch use {
case "add":
simple.Function()
case "mxb":
slope.Function()
case "soe":
equ.Function()
case "alg":
fmt.Println(c.G + "Not a feature yet")
case "src":
fmt.Println(c.G + "Not a feature yet")
case "fin":
fmt.Println(c.G + "Ok! Bye!")
done = true
default:
fmt.Println(c.G + "Not a valid statement")
}
}
}
func Function() {
fmt.Println(c.CL+c.B3+"Welcome to the System of Equations module", c.V, "β 1.0.0")
fmt.Println(c.B2 + "Make sure you have a slope and y-intercept for all of the lines.")
fmt.Println(c.B2 + "If you don't know your decimals, here's a key:")
fmt.Println(c.G + "1/2 = .5, 1/3 = .333, 1/4 = .25, 1/5 = .2, 1/6 = .167, 1/7 = .143, 1/8 = .125, 1/9 = .111, 1/10 = .1")
fmt.Println(c.B2+"If you do not have all equation's slope and y-intercept, type", c.R, "no"+c.B2+".")
fmt.Println(c.G+"If you do, type", c.R, "yes"+c.G+".")
fmt.Println()
check, err := i.Prompt(c.M + "> " + c.B)
u.QuitAtError(err)
if check == "no" {
form.Function()
}
//defines the first slope
fmt.Println(c.CL + c.G + "Enter first slope.")
filler, err := i.Prompt(c.M + "> " + c.B)
u.QuitAtError(err)
m1, err := strconv.ParseFloat(filler, 64)
u.QuitAtError(err)
//defines the first intercept
fmt.Println(c.CL + c.G + "Enter first y-intercept.")
filler, err = i.Prompt(c.M + "> " + c.B)
u.QuitAtError(err)
b1, err := strconv.ParseFloat(filler, 64)
u.QuitAtError(err)
/*
* Now to define the second set
*/
//defines the second slope
fmt.Println(c.CL + c.G + "Enter second slope.")
filler, err = i.Prompt(c.M + "> " + c.B)
u.QuitAtError(err)
m2, err := strconv.ParseFloat(filler, 64)
u.QuitAtError(err)
//defines the second intercept
fmt.Println(c.CL + c.G + "Enter second y-intercept.")
filler, err = i.Prompt(c.M + "> " + c.B)
u.QuitAtError(err)
b2, err := strconv.ParseFloat(filler, 64)
/*
* At this point, we break and check for paralell & exact same lines
*/
if m1 == m2 && b1 != b2 {
fmt.Println(c.CL + c.G + "The answer is...")
fmt.Println(c.Y + "No solution, the lines are paralell")
} else if m1 == m2 && b1 == b2 {
fmt.Println(c.CL + c.G + "The answer is...")
fmt.Println(c.Y + "All numbers on either line, they are the same.")
} else {
//Now that there isn't a chance of the program running forever or not at all,
//We put in some user-defined braces for decimals, then guess we shall!
fmt.Println(c.CL + c.B2 + "up to how many decimal places should we look for the answer?")
fmt.Println(c.B3 + "WARNING! MORE DECIMAL PLACES WILL MAKE YOUR COMPUTER WORK EXPONENTIALLY HARDER AND TAKE MORE TIME!\nMORE THAN 3 POINTS IS AT YOUR OWN RISK!")
filler, err = i.Prompt(c.M + "> " + c.B)
//Now to change this into a .00X format...
anotherBsFiller, err := strconv.ParseFloat(filler, 64)
u.QuitAtError(err)
someBsFiller := anotherBsFiller * -1.0
const decimalPlace float64 = math.Pow(10, someBsFiller)
fmt.Println("LINE 118")
fmt.Println(decimalPlace)
//The superguess function above is used
x, y := guessForever(decimalPlace, m1, b1, m2, b2)
//
fmt.Println(c.CL + c.G + "The point of interseption is...")
x32 := strconv.FormatFloat(x, 'E', -1, 32)
y32 := strconv.FormatFloat(y, 'E', -1, 32)
fmt.Println(c.Y + "(" + x32 + "," + y32 + ")")
u.Go(1)
}
}
func TwoPoints() {
fmt.Print(c.CL)
strx1, err := i.Prompt(c.G + "Enter x1 point\n" + c.B + ">" + c.M)
//assigns a command-line input to strx1.
//i.Prompt returns a string "strx1" and an error "err"
u.QuitAtError(err)
//Tests if there is an error in the input, and halts the program before it crashes
stry1, err := i.Prompt(c.G + "Enter y1 point\n" + c.B + ">" + c.M)
u.QuitAtError(err)
strx2, err := i.Prompt(c.G + "Enter x2 point\n" + c.B + ">" + c.M)
u.QuitAtError(err)
stry2, err := i.Prompt(c.G + "Enter y2 point\n" + c.B + ">" + c.M)
u.QuitAtError(err)
//provides the data values. will be converted next 4 lines. "i" pulls from my input function
//variable err will be processed on-site w/ the input function next version.
x1, err := strconv.ParseFloat(strx1, 64)
//Converts strx1 in to a 64-bit float.
u.QuitAtError(err)
y1, err := strconv.ParseFloat(stry1, 64)
u.QuitAtError(err)
x2, err := strconv.ParseFloat(strx2, 64)
u.QuitAtError(err)
y2, err := strconv.ParseFloat(stry2, 64)
u.QuitAtError(err)
/*
*Now for something to actually happen! all variables have been declared!
*/
fmt.Println(c.CL + c.G + "The Formula is:" + c.R)
fmt.Println(c.B1, "y2 - y1")
fmt.Println(c.B1, "-------")
fmt.Println(c.B1, "x2 - x1")
u.Spacer(3)
//adds three lines blank diffrence.
fmt.Println(c.R, y2, "-", y1)
fmt.Println(c.G + "-----------")
fmt.Println(c.R, x2, "-", x1)
//Prints out an incomplete equation
u.Spacer(2)
num := y2 - y1
den := x2 - x1
//the numerator and denominator of the equation.
fmt.Print(c.R)
fmt.Println(num)
fmt.Println(c.G + "-----")
fmt.Print(c.R)
fmt.Println(den)
u.Spacer(2)
if den == 0 {
fmt.Println(c.B2, "The slope is undefined")
} else {
m := num / den
fmt.Println(c.B3, "The slope is ", m, ".")
u.Go(1)
/////////////////////////////////////
//adds a break and clears the page.//
/////////////////////////////////////
fmt.Println(c.G + "Our y-intercept equation is:")
fmt.Println(c.B1, "y = m(x) + b"+c.G)
//all data points provided and converted, now to math-a-tise
u.Spacer(3)
//to find "b"
fmt.Println(y1, " = ", m, "(", x1, ") + b")
filler := x1 * m
//multiplies x1 and m to filler
fmt.Println(y1, " = ", filler, " + b")
fmt.Println("-(", filler, ")---------------|")
//Shows subtraction
u.Spacer(1)
b := y1 - filler
fmt.Println(c.B2, "b = ", b)
u.Spacer(3)
fmt.Println(c.B3+"y = ", m, "(x) + ", b)
u.Go(1)
//prints out completed statment, ends function
}
}
