C :: Calculate Distance Between Two Latitude And Longitude Points - Conflicting Types For Function
Mar 6, 2015
In my project i need to calculate the distance between two lattitude and longitude points. After compiling the code I am getting an error that "conflicting types for deg2rad". How to solve this? Seems the code looks ok. but...
Code:
#include <math.h>
#define pi 3.14159265358979323846
double distance(double lat1, double lon1, double lat2, double lon2, char unit) {
double theta, dist;
[Code] .....
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Mar 9, 2015
I have code for conversion of longitude and latitude and I need to reverse the function so it will work in opposite direction:
Code:
float LongitudeDeg = argv[1]; // some longitude
float LatitudeDeg = argv[2]; // some latitude
uint32_t u,v,l,n;
l=15; // l range is 2-29
[Code] .....
On start of the code we know longitude,latitude and l. And the result is u and v. And I need function when I will know the u and v, possibly l too, to calculate longitude, latitude.
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May 15, 2014
It ougth to calculate the distance between two point (p1,p2)
"main.cpp"
#include "distancia.h"
void main () {
Point p1,p2;
[code]....
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Sep 25, 2013
I'm creating a quick program to calculate midpoint and distance between two points. I'm having a little trouble. This is the program:
//This program is a start to solve basic coordinatre plane distances and midpoints
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cmath>
using namespace std;
int main(int nNumberofArgs, char* pszArgs[]){
cout << "This is a calculator to find distance and the midpoint between two points. " ;
[Code]...
the problem is that the output for both equations is wrong, it doesn't do the math properly and I assume it has to do with the variable types I'm using but am not sure. P.S. I am using the latest version of DEV-C++
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Dec 17, 2012
Any application or open source software (vc++ or vb.net or c#.net) that can display a high resolution map and i can input real time latitude and longitude of points through an external file and those points can be displayed on map in real time..... I am all new to this plotting on map stuff....
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Jul 4, 2012
I have a list of latitude and longitude coordinates which are supposed to trace the outline of a city. Somehow they got scrambled so that they are now out of order. I'd like to write a program to arrange them such that one could follow from one coordinate to the next and trace the perimeter. However, I've run out of ideas for algorithms. What I did so far was a simple search for the nearest coordinate, starting from the first coordinate pair in the array. This produced local regions which worked rather well, but globally there were large jumps as the algorithm ran out of nearby coordinates and was forced to jump across the map.
Is there already a developed algorithm to perform this function?
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Jan 22, 2014
I have this
Code:
#include<stdio.h>
#include<ctype.h>
#include<string.h>
int check_up(char string[]);
int check_low(char string[]);
void to_up(char string[]);
void to_low(char string[]);
[Code] .....
When I compile this I have the following problems: warning: data definition has no type or storage class [enabled by default] in 'to_up(word)'conflicting types in 'to_up' function and to_low function warning: data definition has no type or storage class [enabled by default] into_up function error: unknown type name "word" in line 'printf("All uppercase %s. ", word):;'warning: parameter names (without types) in function declaration [enabled by default] in 'to_up(word)'and 'to_low(word)' 'note: previous declaration of "to_up" was here in function declaration of to_up function
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Feb 24, 2015
I am trying to write a function that calculates the Euclidean distance between two points described by
πππ π‘ππππ = β(π₯1 β π₯2)2 + (π¦1 β π¦2)2
Input Prompt
Enter x1, y1, and x2, y2:
Output Prompt
The distance is XXXX.XXX
Replace XXXX.XXX with the calculated distance precise to three decimal points.
Will this be a smilier input to the same forum that wasted posted a few years ago on this site?
Here is the link... [URL]..
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Dec 24, 2014
I'm trying to compile a library for use with PoLabs Pokeys 56U USB device (PoKeys56U) on Linux Mint 17 64-bit.
I'm using the information from here - New cross-platform library for all PoKeys devices - MyPokeys
When I run
sudo make -f Makefile.noqmake install
I get the following errors;In file included from PoKeysLibCore.c:22:0:
PoKeysLib.h:38:28: error: conflicting types for "int64_t"
typedef long long int64_t;
^
In file included from /usr/include/stdlib.h:314:0,
from PoKeysLibCore.c:21:
[Code] ....
Here is the offending code from the header file;
Code:
#ifndef __POKEYSLIB
#define __POKEYSLIB
#define USE_STD_INT
#ifdef USE_STD_INT
#include "stdint.h"
[Code] ....
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Apr 14, 2013
Write a program that creates the output shown in the Output Layout section below. The program should create 2 points with x and y coordinates as integers, prompt the user to input the x and y values for one of the points and randomly set the other (-99 to 99 range) and output the length of the radius line segment and the area of the circle that radius defines. The program should then end. Include an SDM for the program and any other appropriate documentation.
Special Calculations:
Distance between 2 points equation:
β((p0x β p1x)2 + (p0y β p1y)2) (This requires use of the math library)
Output Layout: (bold text represents user input)
Please enter the location of your first point.
Enter a value from -99 to 99 for your x coordinate: -2
Enter a value from -99 to 99 for your y coordinate: 17
The location of your second randomly set point.
Your x coordinate: 45
Your y coordinate: -89
The length of the radius line segment from point one to point two is 115.
The area of the circle with a radius of 115 is 41546.33.
Other:
int pAx;
int pAy;
int pBx;
int pBy;
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Oct 29, 2014
In the following code I don't understand why am I splitting the y left and y right.
(closest distance between 2 points in 2D)
Am I splitting the y left and y right so that I can concatenate them afterwards and then build the strip,only according to these concatenated halves ?
PS : Finding the min. distance between sorted x right and x left works fine , only problem is with the strip.
#ifndef CLOSESTPAIR_H_
#define CLOSESTPAIR_H_
#include <float.h>
#include <math.h>
typedef struct Point2D {
double x;
double y;
[code].....
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Feb 23, 2013
As homework we were assigned to enter the following code to calculate the distance between two points on the x and y plane. The program should ask the user to enter two points then should calculate the distance between two points and print the distance on the screen.
My program will compile correctly but when attempting to run the actual program it doesnt do anything and some how completely skips over my main function...
Code:
#include <stdio.h>
#include <math.h>
struct point {
float x;
float y;
[Code] ....
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Jul 3, 2013
Currently I am working on a program that will find the actual distance between two points on a grid. It also determines the angle of the line segment in degrees. Now, i need it to be able to find any other points on or near the line. It will be running in a loop to find each additional point sequentially until all the points have been plotted. Unfortunately, I am not entirely sure how this is done. So far, I think that I could develop an algorithm that converts the angle into a ratio of vertical movements to horizontal ones.
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Apr 21, 2014
Calculate the Euclidean distance to the origin for each point in parallel on GPU.Assume that for each point i, its coordinate is X[i],Y[i] and given 1000000 points on 2d plane
[//
#include <iostream>
#include <stdio.h>
#include <cuda.h>
#include <assert.h>
[Code].....
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Nov 13, 2013
It is supposed to calculate and graph time vs. distance. The problem I have is graphing, if I put too small values for Vi, which is the initial velocity, it just graphs one or two points, because t is too small. I already tried to adjust t with 'if(t<10) t=t*10; if (t>100) t=t/10;', But it seems not to solve my problem.
Other truble I have is that, as the graph is parabola, core values ββare very close together, and when plotted, these values ββare in the same line on the screen.
Here is my code:
#include<stdio.h>
#include<conio.h>
#include<math.h>
void main() {
float x, y, hmax, t, amax, vi, v, a, b, g, ang; /*x= x coordinate, y= y coordinate, hmax= maximum height,
[Code] .....
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Jan 26, 2015
How to calculate steepness or incline from 3 to 4 points in a 3D(xyz) point?
I'm trying to calculate steepness to determine if i can or cannot place objects on a super steep elevation in a 3D game?
My initial thinking was to add up all angles then divide by 4? I'm not a match major and I am not finding any information online.
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Mar 28, 2013
My question is, I have been tasked to draw this shape,
![Crescent Moon][URL] ....
This is to be done using C++ to write code that will calculate the points on this shape.
Important details.
User Input - Centre Point (X, Y), number of points to be shown, Font Size (influences radius)
Output - List of co-ordinates on the shape.
The overall aim once I have the points is to put them into a graph on Excel and it will hopefully draw it for me, at the user inputted size!
I know that the maximum Radius is 165mm and the minimum is 35mm. I have decided that my base [Font Size][1] shall be 20. I then did some thinking and came up with the equation.
Radius = (Chosen Font Size/20)*130. This is just an estimation, I realise it probably not right, but I thought it could work at least as a template.
I then decided that I should create two different circles, with two different centre points, then link them together to create the shape. I thought that the INSIDE line will have to have a larger Radius and a centre point further along the X-Axis (Y staying constant), as then it could cut into the outside line.*
*(I know this is not what it looks like on the picture, just my chain of thought as it will still give the same shape)
So I defined 2nd Centre point as (X+4, Y). (Again, just estimation, thought it doesn't really matter how far apart they are).
I then decided Radius 2 = (Chosen Font Size/20)*165 (max radius)
So, I have my 2 Radii, and two centre points.
This is my code so far (it works, and everything is declared/inputted above)
for(int i=0; i<=n; i++) //output displayed to user {
Xnew = -i*(Y+R1)/n; //calculate x coordinate
Ynew = pow((((Y+R1)*(Y+R1)) - (Xnew*Xnew)), 0.5); //calculate y coordinate
[Code] ....
I am having the problem drawing the crescent moon that I cannot get the two circles to have the same starting point?
I have managed to get the results to Excel. Everything in that regard works. But when i plot the points on a graph on Excel, they do not have the same starting points. Its essentially just two half circles, one smaller than the other (Stops at the Y axis, giving the half doughnut shape).
If this makes sense, I am trying to get two parts of circles to draw the shape as such that they have the same start and end points. Currently all I am getting more a 'half doughnut' shape, due to the circles not being connected.
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Mar 30, 2014
I know that the issue is around the array distance being of type double in the function get distance of type double. My question is how do i get around using the values from the distance array in the function to be used for calculations.
#include <stdio.h>/* initialization of preprocessor directives*/
#include <stdlib.h>
#include <math.h> /*preprocessor directive in order to use sqrt function*/
int calcSecondsvar(int,int,int ,double);
double getdistance(double,double,int,int,int);
[Code] ....
I forgot to mention that it keeps giving me the error cannot convert from 'double[8] to 'double' ....
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Nov 3, 2014
Example: In a 2-D space, point A=(a1,a2) is bigger than point B=(b1,b2), if a1>b1 and a2>b2.
How do I write a presudo code to find all the maximal points among the given n points?
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Mar 7, 2013
Sem is a pointer to semantic which is a struct type variable. I pass the sem into function yylex so i can fill the semantic.i and semantic.s(s points to an array). The problem is that when sem->i = a; is used inside yylex function, sem->s stops showing to the array.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <iostream>
using namespace std;
union SEMANTIC_INFO
[Code] ...
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Jan 22, 2013
The Light and Fan are two different vendor classes and they are not derived from any base class. I am trying to implement the Command design pattern but with generic implementation, so it should work in future with any new vendor class like Door, Window etc without much change in client code. I have thought about a Factory method but it will not work because it needs a Base class. I am trying to learn the design patterns.
Light *myobj;
Fan *myobj;
int choice;
cout<<"Select Light (1): ";
cout<<"Select Fan (2): ";
[Code] ....
Error:conflicting declaration 'Fan*myobj'
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Jun 12, 2013
I was wondering if one could write a function that could accept one or the other variable type.
Ex: I have 2 arrays, int** and double**, and a function
Code: void PGMWrite(double** Matrix, int Matrix_dimension){.....}
Is there any way to change the function to
Code: void PGMWrite(int** Matrix || double** Matrix, int Matrix_dimension){.....}
And then have some sort of type identifier in the function that picks the correct section via an if loop? If so how, and how would I identify in the function if the input it type double or int?
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Dec 10, 2014
I have a function, int teleport_to_game(int,float,float); in my class. My question is should I change the int to define a function to a different type?
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Feb 25, 2013
I'm looking for a way to enter an unlimited amount of types in the <> part of a template function, I found Variadic templates but I'm not sure if it can do it, all the examples I've found are similar to the C argument list and don't use the <> part of the template at all.
I tried this, but the overload is ambiguous?
#include <iostream>
#include <typeinfo>
template<typename T>
void stuff() {
std::cout << typeid(T).name() << "
[Code] ....
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Jan 3, 2013
calculate the factorial with function
The program should then calculate the factorial of the number n, where n!= nΓ(n β1)...Γ 2Γ1
the output like this:
Enter number: 4
Factorial of 4! = 24
Enter number: 6
Factorial of 6! = 720
Enter number: 3
Factorial of 3! = 6
Enter number: 0
Factorial of 0! = 1
Enter number: -5
Factorial of -5! = -1
Press any key to continue . ....
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Aug 19, 2013
i'm trying building my how Write() function:
template <typename T>
....
Write(T Argument1[,T ArgumentX])
how can i calculate the numeber of Arguments added? (in C we used an argument for tells how many we putted in a function, but not in these case)
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