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Add support for Num.abs to Dec type

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This commit is contained in:
Sekerez 2023-09-24 23:10:25 -04:00
parent 8f210241ab
commit fa65d89a3c
4 changed files with 56 additions and 47 deletions
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10
crates/compiler/builtins/bitcode/src/dec.zig
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@ -235,6 +235,11 @@ pub const RocDec = extern struct {
return if (negated) |n| .{ .num = n } else null;
}
pub fn abs(self: RocDec) !RocDec {
const absolute = try math.absInt(self.num);
return RocDec{ .num = absolute };
}
pub fn addWithOverflow(self: RocDec, other: RocDec) WithOverflow(RocDec) {
var answer: i128 = undefined;
const overflowed = @addWithOverflow(i128, self.num, other.num, &answer);
@ -1244,6 +1249,11 @@ pub fn negateC(arg: RocDec) callconv(.C) i128 {
return if (@call(.{ .modifier = always_inline }, RocDec.negate, .{arg})) |dec| dec.num else @panic("TODO overflow for negating RocDec");
}
pub fn absC(arg: RocDec) callconv(.C) i128 {
var result = @call(.{ .modifier = always_inline }, RocDec.abs, .{arg}) catch @panic("TODO overflow for calling absolute value on RocDec");
return result.num;
}
pub fn addC(arg1: RocDec, arg2: RocDec) callconv(.C) WithOverflow(RocDec) {
return @call(.{ .modifier = always_inline }, RocDec.addWithOverflow, .{ arg1, arg2 });
}