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Electric monk. Studies physics at TU Munich. Likes computer languages, -graphics and general systems programming.

gruebite / main.zig

Last active April 26, 2021 22:04

Zig dynamic dispatch with @fieldParentPtr


	const print = @import("std").debug.print;

	const Animal = struct {
	const Self = @This();

	speakFn: fn(*const Animal) void,

	pub fn speak(self: *const Self) void {
	self.speakFn(self);

misyltoad / terrible lerp.cpp

Last active June 10, 2024 10:31

	template <class _Ty>
	_NODISCARD /* constexpr */ _Ty _Common_lerp(const _Ty _ArgA, const _Ty _ArgB, const _Ty _ArgT) noexcept {
	// on a line intersecting {(0.0, _ArgA), (1.0, _ArgB)}, return the Y value for X == _ArgT

	const int _Finite_mask = (int{isfinite(_ArgA)} << 2) \| (int{isfinite(_ArgB)} << 1) \| int{isfinite(_ArgT)};
	if (_Finite_mask == 0b111) {
	// 99% case, put it first; this block comes from P0811R3
	if ((_ArgA <= 0 && _ArgB >= 0) \|\| (_ArgA >= 0 && _ArgB <= 0)) {
	// exact, monotonic, bounded, determinate, and (for _ArgA == _ArgB == 0) consistent:
	return _ArgT * _ArgB + (1 - _ArgT) * _ArgA;