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Ingy döt Net 2023-09-16 17:28:03 -07:00
parent 5af6d93694
commit 796d366b97
455 changed files with 7413 additions and 1900 deletions
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24
Task/Box-the-compass/Zig/box-the-compass-2.zig
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@ -1,20 +1,20 @@
/// Degrees are not constrained to the range 0 to 360
/// Degrees is not constrained to the range 0 to 360
fn degreesToCompassPoint(degrees: f32) []const u8 {
var d = degrees + comptime (11.25 / 2.0);
while (d < 0) d += 360;
while (d >= 360) d -= 360;
const index: usize = @floatToInt(usize, @divFloor(d, 11.25));
const index: usize = @intFromFloat(@divFloor(d, 11.25));
// Concatenation to overcome the inability of "zig fmt" to nicely format long arrays.
const points: [32][]const u8 = comptime .{} ++
.{ "North", "North by east", "North-northeast", "Northeast by north" } ++
.{ "Northeast", "Northeast by east", "East-northeast", "East by north" } ++
.{ "East", "East by south", "East-southeast", "Southeast by east" } ++
.{ "Southeast", "Southeast by south", "South-southeast", "South by east" } ++
.{ "South", "South by west", "South-southwest", "Southwest by south" } ++
.{ "Southwest", "Southwest by west", "West-southwest", "West by south" } ++
.{ "West", "West by north", "West-northwest", "Northwest by west" } ++
.{ "Northwest", "Northwest by north", "North-northwest", "North by west" };
const points: [32][]const u8 = comptime .{
"North", "North by east", "North-northeast", "Northeast by north",
"Northeast", "Northeast by east", "East-northeast", "East by north",
"East", "East by south", "East-southeast", "Southeast by east",
"Southeast", "Southeast by south", "South-southeast", "South by east",
"South", "South by west", "South-southwest", "Southwest by south",
"Southwest", "Southwest by west", "West-southwest", "West by south",
"West", "West by north", "West-northwest", "Northwest by west",
"Northwest", "Northwest by north", "North-northwest", "North by west",
};
return points[index];
}

6
Task/Box-the-compass/Zig/box-the-compass-3.zig
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@ -1,16 +1,16 @@
pub fn main() anyerror!void {
const stdout = std.io.getStdOut().writer();
_ = try stdout.print("Index Heading Compass point\n", .{});
try stdout.print("Index Heading Compass point\n", .{});
for (0..33) |i| {
var heading = @intToFloat(f32, i) * 11.25;
var heading = @as(f32, @floatFromInt(i)) * 11.25;
heading += switch (i % 3) {
1 => 5.62,
2 => -5.62,
else => 0,
};
const index = i % 32 + 1;
_ = try stdout.print(" {d:2} {d:>6.2}° {s}\n", .{ index, heading, degreesToCompassPoint(heading) });
try stdout.print(" {d:2} {d:>6.2}° {s}\n", .{ index, heading, degreesToCompassPoint(heading) });
}
}