Programming Megathread

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ZSNO:

--- Quote from: DrHitius on October 30, 2015, 05:44:58 PM ---why does everyone forget HLSL

--- End quote ---
So casual, doesn't even mention GLSL. You know, the language Blockland's shaders run on.

devildogelite:

--- Quote from: Otis Da HousKat on October 30, 2015, 04:38:57 PM ---The standard Arduino IDE is awful for a lot of reasons. It exists as a first timer's tool to compiling and flashing hardware. It works but it is very limiting once you're ready to explore deeper, and customization of the environment is nonexistent.

I know there is some Eclipse plugins for Arduino if that's up your alley. I don't have much experience with Arduino development as an Arduino. I've used the boards before because they were available and easy, but I was flashing my own programs to them and not using the Arduino libraries, which once again have a lot of problems for people looking to go beyond the hobbyist level.

--- End quote ---

I mean I'm still only doing hobbyist stuff and fun little projects but I just really hate the Arduino IDE. I've never used eclipse that much except recently for a networking project in Java and I found eclipse to be pretty nice. I'll take a look at the eclipse one. I found an Arduino IDE plugin for Visual Studio which is what I have the most experience in but it seems like it's just cobbled together.

Kochieboy:

--- Code: ---/*

A program that adds up the sum of fractions from 2 to 30 and compares it to 1, using nested loops.
Written by Silico Deoxy on October 31, 2015
Version: 1.0
Language: C (gcc target)

*/

#include <stdio.h>

int main(void){

int itsum; /* Used to mark the iteration at which the sum loop is at */
double sum, /* The sum of the fractions */
d; /* The denominator */
for (d=2;d<31;d++){

sum = 0;
itsum = 1;
while (itsum <= d){

sum = sum + (1 / d);
itsum++;

}
if (sum == 1)
printf("Adding %lf 1/%lf 's gives a result equal to 1\n", d, d);
else if (sum < 1)
printf("Adding %lf 1/%lf 's gives a result less than 1\n", d, d);
else
printf("Adding %lf 1/%lf 's gives a result greater than 1\n", d, d);

}
return 0;

}

--- End code ---

So we are doing nested loops in our class and I wrote the code above.

For some odd reason, I get some weird results for numbers that do not add up evenly into 1.

Compile it and look for yourself, it's the craziest stuff.

ZSNO:
Yeah, precision of numbers is finite. If you replace your == with

--- Code: ---if (sum - 1 < 0.000000000000001 && sum - 1 > -0.000000000000001)
--- End code ---
it gives the expected result.

Kochieboy:

--- Quote from: ZSNO on October 31, 2015, 11:08:56 PM ---Yeah, precision of numbers is finite. If you replace your == with

--- Code: ---if (sum - 1 < 0.000000000000001 && sum - 1 > -0.000000000000001)
--- End code ---
it gives the expected result.

--- End quote ---

Heh, yeah, kinda wished our prof taught us that now.

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