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Add floor and ceiling rounding functions to `UInt32p64`

This commit is contained in:
Elias Batek 2025-01-12 02:06:36 +01:00
parent 9c5a341bce
commit a024404330
1 changed files with 30 additions and 0 deletions
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30
pixmappaint.d
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@ -414,6 +414,25 @@ struct UInt32p64 {
return UInt32p64.make(rounded);
}
///
public UInt32p64 floor() const {
const truncated = (_value & 0xFFFF_FFFF_0000_0000);
return UInt32p64.make(truncated);
}
///
public UInt32p64 ceil() const {
const truncated = (_value & 0xFFFF_FFFF_0000_0000);
// dfmt off
const ceiling = (truncated != _value)
? truncated + 0x1_0000_0000
: truncated;
// dfmt on
return UInt32p64.make(ceiling);
}
public {
///
UInt32p64 opBinary(string op : "+")(const uint rhs) const {
@ -504,6 +523,17 @@ struct UInt32p64 {
assert((UInt32p64(uint.max) / 2).castTo!uint == 2_147_483_647);
assert((UInt32p64(uint.max) / 2).round().castTo!uint == 2_147_483_648);
assert((UInt32p64(10) / 8).round().castTo!uint == 1);
assert((UInt32p64(10) / 8).floor().castTo!uint == 1);
assert((UInt32p64(10) / 8).ceil().castTo!uint == 2);
assert((UInt32p64(10) / 4).round().castTo!uint == 3);
assert((UInt32p64(10) / 4).floor().castTo!uint == 2);
assert((UInt32p64(10) / 4).ceil().castTo!uint == 3);
assert((UInt32p64(10) / 5).round().castTo!uint == 2);
assert((UInt32p64(10) / 5).floor().castTo!uint == 2);
assert((UInt32p64(10) / 5).ceil().castTo!uint == 2);
}
@safe unittest {