C++ :: Linear Interpolation Code For X And Y Axis - Compile Errors
Oct 15, 2012
When trying to compile, I am receiving errors which I am assuming are pretty generic and common:
lin_interp.c:21: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
lin_interp.c:100: error: expected '{' at end of input
I am just trying to get the code to work for now. I have created a program similar to this which worked in C++, but the code isn't jiving in C.
Code:
// Lin_Interp.c : Defines the entry point for the console application.
//
#include "PACRXPlc.h" /* Include file applicable for all targets */
#include "ctkInitCBlock.h"
#include "string.h"
#include "math.h"
#include "stdlib.h"
#include <time.h>
#include <ctype.h>
#include <stdio.h>
/* Constants / #defines */
// Print-Out on console "XY LIMIT ARRAY" XYlim
[Code] .....
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Jul 7, 2013
I'm learning OpenGL 3.2+ with GLFW and GLEW.
I'm learning it through this series of tutorials [URL] but when I run the first code:
#include <iostream>
#include <cstdlib>
#include <GL/glfw.h>
#define GLEW_STATIC
#include <GL/glew.h>
int main() {
glfwInit();
glewExperimental = GL_TRUE;
[code]....
(Then i have the glew.h that is about 17000 lines of code)
I get this errors:
c:archivos de programacodeblocksmingwin..libgccmingw324.7.1........includeGLglew.h|84|error: #error gl.h included before glew.h|
c:archivos de programacodeblocksmingwin..libgccmingw324.7.1........includeGLglew.h|1793|error: 'GLchar' does not name a type|
c:archivos de programacodeblocksmingwin..libgccmingw324.7.1........includeGLglew.h|1804|error: 'GLchar' has not been declared|
[code]....
What I'm doing wrong?
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Oct 23, 2013
I'm working on a Hash Table implementation and after fixing all the errors and finally getting it to compile and link correctly, I am met with a black screen upon execute.
main.cpp
#include <stdio.h>
#include <string.h>
[Code]....
I tried inserting a debug statement in the main() function to see, and it wouldn't even print out the message "debug me" on the screen.
I am using Code::Blocks on Windows with the mingw32-g++.exe compiler. Here is my build log:
mingw32-g++.exe -Wall -g -c D:MediaDesktopHashElement.cpp -o objDebugElement.o
mingw32-g++.exe -Wall -g -c D:MediaDesktopHashHashTab.cpp -o objDebugHashTab.o
mingw32-g++.exe -Wall -g -c D:MediaDesktopHashmain.cpp -o objDebugmain.o
mingw32-g++.exe -Wall -g -c D:MediaDesktopHashStudent.cpp -o objDebugStudent.o
mingw32-g++.exe -o binDebugHash.exe objDebugElement.o
objDebugHashTab.o objDebugmain.o objDebugStudent.o -mwindows
Output size is 1.06 MB
Process terminated with status 0 (0 minutes, 2 seconds)
0 errors, 0 warnings (0 minutes, 2 seconds)
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Aug 4, 2014
Here's the source code from "battle.h" (which should probably be renamed to "animal.h")
Do you think I made my errors here or in one of the many other headers or cpp?
#include "Identity.h"
#include "stdafx.h"
#ifndef battle_h
#define battle_h
int numbers1 = rand() % 5;
int numbers2 = rand() % 7;
int numbers3 = rand() % 9;
int numbers4 = rand() % 11;
[code].....
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Feb 4, 2014
I am trying to build a VC++ project in Visual Studio 2010. [URL] ....
This project has a dependency on openssl libraries. How can I successfully build this project? How to add third party libs/dlls in a project.
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Oct 14, 2014
I want to start developing Android apps in C++, but I do not know what I could use to compile the source code into an apk. I know that C++ is probably not the best choice for Android development, but I already know it and I do not want to learn Java.
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Mar 23, 2013
I recently downloaded the ' code:blocks ' file. After I tried some code the compiler stated there was an error with
' #include<iostream> '.
Since I'm not a C++ programmer, right now, I'm confused. This was copied directly from the e-book I downloaded. After I uninstalled this program, I re downloaded it and now it comes up with a new error while opening Code-blocks.
This new error states ' Can't find compiler executable in your configured search path's for GNU GCC compiler '
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Dec 17, 2014
i use cygwin and i have a program that was returning an error saying "undefined reference" and i figured out that i misspelled a word. how can i search for the misspelling in the input mode, if ive just completed a very large program and dont want to scroll through possibly 300+ lines of input? im not totally out the loop, but i know i can "vim program.cpp" to open the program, but before clicking "i" to actually edit, there must be a way to search a word
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May 22, 2014
I'm currently just trying C++ with SFML. So I've installe SFML 2.0 for Visual C++ 2010 Express 64 bit, and I get an error while trying to run the debug of my code.
//Libraries
#include <SFML/Graphics.hpp>
#include <iostream>
int main() {
sf::RenderWindow window(sf::VideoMode(1280, 720),"SFML Game1");
return 0;
}
And this is the result I'm getting when trying to run it
1
1>LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
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Mar 28, 2013
I've written a simple program that output's my name, course, and a time date stamp.
Having researched the code to do so, I've used the includes for both the ctime and time.h libraries.
I leveraged localtime_s and asctime_s to actually convert to string etc., and the program runs fine when I step through it in Visual Studio.
However, we're working with CGI and this program will ultimately be called up from the cgi-bin directory of a web server. The first thing that needs to be done after copying it to the webserver is to compile it. That's where my problem occurs.
Using the console command: g++ lab5a.cpp -o lab5a.exe the file is supposed to compile and be converted to a .exe.
However, instead I receive errors:
localtime_s was not declared in this scope
asctime_s was not declared in this scope
I "believe" it's because of the included libraries, but not sure.
They are:
HTML Code:
#include <iostream>
#include <ctime>
#include <time.h>
Here's the actual timestamp block of code:
HTML Code:
//Begin date and time instructions
time_t curTime;
struct tm locTime;
const int TimeStrLen = 26;
[Code] ....
Of course, I go on to error check and complete the block, but you get the picture.
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Jun 8, 2013
I'm using Code:Blocks 12.11 on windows 7, with the built-in MinGW compiler. When I try and compile a program that has an error in it (misnamed variable, missing include, extra semi-colon somewhere, anything) instead of saying something about what went wrong it just has this:
Process terminated with status 1 (0 minutes, 0 seconds)
0 errors, 0 warnings (0 minutes, 0 seconds)
Which is not particularly useful for debugging.
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Mar 6, 2015
Code:
typedef struct token
{
int tokenType; // what token is that
int tokenCode; // the code of a function if applicable
char *tokenString; // Source token
double tokenValue; // if token is a number
[Code] .....
I got several warnings and erros, is it possible to declare a table like that ? What's the correct way to declare it ?
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Jan 23, 2013
this is my C# code
System.IO.Directory.SetCurrentDirectory
("C:/Users/fahime/Documents/Visual Studio 2010/WebSites/MyWebSite/UserFiles/ProblemAnswers/");
Process.Start("cmd.exe", @"/k ""C:Program Files (x86)Microsoft Visual Studio 10.0VCvcvarsall.bat"" x86");
[Code] .....
I want to compile my cpp code file with visual studio cmd
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May 7, 2013
I did a function for lagrange interpolation formula. However i`m stuck on how do i substitute values into the power. Here is my code snippet :
for(int i=1;i<getSecretShare+1;i++) {
//calculateValue=getSecret+(10*p)+(2 * pow(p,2));
int storeThreshold=getThreshold;
calculateValue=getSecret+(10*i)+(2 * pow(i,2));
calculateFinalValue=calculateValue % 17 ;
cout<<"the calculated value is "<<calculateFinalValue<<endl;
}
The formula that i want to implement is that a + a1x^1 + a2x^2 + a(t-1) ^t-1
I have gotten the substitution of the x value out. However, i am stuck on how do i calculate the values according to the threshold which the user keys in. For example if the user keys in 3.
It will into account the no. of shares to generate which is for example 5 in this case, then it will then take into account the threshold keyed in , which is 3, i will then calculate using the formula using the no. of shares and also threshold.
if the threshold is 3 and the number of shares to generate is 5. I should have the following:
y(1) = 13 + a1(1)^1 +a2(1)^2
y(2) = 13 + a2(2)^1 +a2(2)^2
the power depends on the threshold which is t-1, 3-1 =2
So I will have to generate two a values based on that and also calculate them according to the power that is dependent on the threshold the first value being to the power of 1 and the 2nd being to the power of 2 if the threshold is 4.
Then I will generate 3 a values and then calculate them :
y(1) = 13 + a1(1)^1 + a2(1)^1 + a3(1)^3
and so on..
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Aug 13, 2013
I have been coding this 2D physic engine for quite some time, I work on the many part of these 2 axis ( x and y ) in the same manner is just that one is an x and one is y
So there is a lot of duplicate code
If there is a bug in one part I have to fix the other axis too which becomes a hazzle because I have to fix the duplicates too. The sample code from my program
for( auto it =bodies.begin(); it != bodies.end(); ++ it ){
sf::Vector2f velocity = it->getVelocity();
if( velocity.x != 0 ){
// do some friction force calculation
[Code] ...
It is even more of a hazzle when I work with 4 quadrant, I have 4 duplicate code each ... How do I write a function for both axis ?
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Nov 28, 2011
I made a working version using absolute vextors being rotated by matrices and keeping relative vecotrs for translations. What I didnt like is that I HAVE TO use the standard XYZ axis for rotation.What I decided to do was use quanternions to store current rotation,cthen buffer rotations each time some were done and add it up.The way I see it, it should look somewhat like this:
(in the UpdateRotation part, plz dont mind any typos i make, this isnt the actual current code. Also on a small note I use dictionaries, so dont be surprised xD) Code: RelativeVectors["Up"] = Vector3.Transform(AbsoluteVectors["Up"], (Quanterion)CurrentRotation);
//repeat for Look and Right relative vectors
Quanternion Yaw = Quanternion.CreateFromAxisAngle(RelativeVectors["Up"], RotationBuffer["Yaw"]);
//repeat for roll and pitch
CurrentRotation = Quanternion.Contancate(CurrentRotation,(Yaw*Pitch*Roll));
//
clear the rotation buffer Whats happening right now tho, is that doing this exactly doesnt actually do anything, so I have to use standard axis anyway.
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Nov 30, 2014
how to do the mirror function? I have my other two working 100% but for some reason i cannot figure out how to do the mirror part. I want it to be like my flip function(lower code) where I can print the image through the for statement
Code:
int main (int argc, char *argv[]) {
// declarations here
// open input file
FILE *input;
[Code].....
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Mar 6, 2015
Scaling the yaxis on my histogram for one of my class projects. I've gotten mostly everything but stuck on scaling. I'm pretty sure it's something simple to do, but I'm having trouble, and I've tried everything to my knowledge to get it scaled from 0.1 - 1, like this:
Here is my code:
#include<stdio.h> //include all preprocessor directives
#include<Windows.h>
int main(void) {
int MAX = 0; //initialize and declare variables
int allcounts [10] = {0}; //store an array of integers for
int yaxis, xaxis = 0;
[Code] ....
I'm close, but every time I try and change my y axis in the for loop from 1 going down to 0.1, it doesn't give me a right output.
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Oct 31, 2014
I am working on a computer program where I need to generate points on a circle. I am familiar with this kind of algorithm:
for(d=0; d<=2*pi; d+=0.01)
{
x = cos(d)*radius;
y = sin(d)*radius;
}
However, due to the specifics of the program I am writing, I need to iterate through a fixed number of points one at a time, like so:
for ( int x = 0; x < blockSize; x++ )
{
y = ???
}
This essentially "fixes" one axis of the circle, since I can't do: x=rx+sin(d)*r.
I have tried simply: "y = sin(d)*radius;" and I get a curved shape, but it's not a circle.
My question then is, how do I get the value of y in this situation, where the x axis is incrementing by 1 through a range of values? Is it mathematically possible?
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Apr 10, 2013
I am having trouble of exactly how "class" works. I dont know what the difference between set and get is. I have this code:
#include <iostream>
#include <cmath>
using namespace std;
class Point {
private:
double px;
double py;
[Code] .....
How to get void Triangle::setBottomLeftX(const double x) to work.
Implement the get and set member functions for the class Triangle. Use the appropriate class attributes of the class Triangle.
a. The location of the bottom left vertex is stored in the member attribute blPoint.
b. The top left vertex can be computed from blPoint and the height.
c. The bottom right vertex can be computed from blPoint and the length.
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Feb 6, 2015
I am trying to write a program that will output the contents of an array A into a sum hence title.
Here is my code so far...
#include <iostream>
using namespace std;
int LinearSum(int A[], int);
[Code]....
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Jan 4, 2014
I am trying to do single axis solar tracker with linear actuator /rtc/ UNO. I have already done with feedback sensor.
Now Here I am trying to without feedback. Linear actuator specification: 24v , 3.2mm/sec as speed , 600mm stoke.
Desired angle calculation:
tracking start from 7am to 18PM, 11hours
Assumed degree: 7AM as -45 deg , 12.30 as 0 degree and 18 pm as 45 degree.
static float slope= 0.00227272727273;
static float intercept=- 102.272727273;
[Code] ....
How can i put time here. Coding for calculating Ton time and solve above equation. below i posted my code . I need it has to be modified little bit. i need to implement ton time actuator here.
I need function takes desired and actual angle , where actuator try to move to its actual desired position.
Code below in arduino version
Code:
double Desire_Degree;
unsigned int TS;
static float slope= 0.00227272727273;
static float intercept=- 102.272727273;
static int length;
double Actual_Degree;
[Code] .....
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Jan 5, 2014
I have two std::sets S1 and S2 which I need to merge.
I know that the largest element of S1 is less than the smallest element of S2.
the additional information about S1 and S2 should enable me to do the insertion of each element in costant time instead of log(N).
what is the fastest way to calculate the union of the two sets?
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Mar 30, 2014
// ***This program uses a binary search and a linear search to see if a 3-digit lottery number matches the number on any of the player's tickets.***//
#include <iostream>
using namespace std;
[Code].....
bunch of errors and completely lost. what it's supposed to look like.
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Feb 11, 2015
I'm trying to write a continuous linear linked list. But whenever I run my program and enter an option from my list, my switch statement gets highlighted in green and says "Thread 1: breakpoint 3.1. And then my program just stops. I'm wondering what part of the switch statement I've gotten wrong.
Here's my code.
#include <iostream>
using namespace std;
struct node
{
int key; node *next; };
node *l;
void print(node*list)
[Code] .....
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Jul 3, 2014
How to return a message saying that the value searched for is not found. We had to pull the data in from a .dat, i won't let me attach it as a .dat so I attached it as .txt. I know my it's sloppy. I usually clean up what I can once it is working properly.
#include <iostream>
#include <iomanip>
#include <fstream>
#include <string>
using namespace std;
int ccnt;
int size = 10;
[Code] ....
Attached File(s) : dat45.txt (273bytes)
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