aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

Data commit

Browse source
This commit is contained in:
Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

20
Task/Approximate-equality/D/approximate-equality.d Normal file
View file

@ -0,0 +1,20 @@
import std.math;
import std.stdio;
auto approxEquals = (double a, double b, double epsilon) => abs(a - b) < epsilon;
void main() {
void test(double a, double b) {
double epsilon = 1e-18;
writefln("%.18f, %.18f => %s", a, b, a.approxEquals(b, epsilon));
}
test(100000000000000.01, 100000000000000.011);
test(100.01, 100.011);
test(10000000000000.001 / 10000.0, 1000000000.0000001000);
test(0.001, 0.0010000001);
test(0.000000000000000000000101, 0.0);
test(sqrt(2.0) * sqrt(2.0), 2.0);
test(-sqrt(2.0) * sqrt(2.0), -2.0);
test(3.14159265358979323846, 3.14159265358979324);
}