ona/source/coral/math.zig

34 lines
817 B
Zig

const std = @import("std");
pub fn max(a: anytype, b: anytype) @TypeOf(a, b) {
return @max(a, b);
}
pub fn max_int(comptime int: std.builtin.Type.Int) comptime_int {
const bit_count = int.bits;
if (bit_count == 0) return 0;
return (1 << (bit_count - @intFromBool(int.signedness == .signed))) - 1;
}
pub fn min(a: anytype, b: anytype) @TypeOf(a, b) {
return @min(a, b);
}
pub fn min_int(comptime int: std.builtin.Type.Int) comptime_int {
if (int.signedness == .unsigned) return 0;
const bit_count = int.bits;
if (bit_count == 0) return 0;
return -(1 << (bit_count - 1));
}
pub fn wrap(value: anytype, lower: anytype, upper: anytype) @TypeOf(value, lower, upper) {
const range = upper - lower;
return if (range == 0) lower else lower + @mod((@mod((value - lower), range) + range), range);
}