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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Safe-addition/D/safe-addition.d Normal file
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@ -0,0 +1,16 @@
import std.traits;
auto safeAdd(T)(T a, T b)
if (isFloatingPoint!T) {
import std.math; // nexDown, nextUp
import std.typecons; // tuple
return tuple!("d", "u")(nextDown(a+b), nextUp(a+b));
}
import std.stdio;
void main() {
auto a = 1.2;
auto b = 0.03;
auto r = safeAdd(a, b);
writefln("(%s + %s) is in the range %0.16f .. %0.16f", a, b, r.d, r.u);
}