Source
pub const MacroArithmetic = struct {
pub fn div(a: anytype, b: anytype) ArithmeticConversion(@TypeOf(a), @TypeOf(b)) {
const ResType = ArithmeticConversion(@TypeOf(a), @TypeOf(b));
const a_casted = cast(ResType, a);
const b_casted = cast(ResType, b);
switch (@typeInfo(ResType)) {
.float => return a_casted / b_casted,
.int => return @divTrunc(a_casted, b_casted),
else => unreachable,
}
}
pub fn rem(a: anytype, b: anytype) ArithmeticConversion(@TypeOf(a), @TypeOf(b)) {
const ResType = ArithmeticConversion(@TypeOf(a), @TypeOf(b));
const a_casted = cast(ResType, a);
const b_casted = cast(ResType, b);
switch (@typeInfo(ResType)) {
.int => {
if (@typeInfo(ResType).int.signedness == .signed) {
return signedRemainder(a_casted, b_casted);
} else {
return a_casted % b_casted;
}
},
else => unreachable,
}
}
}