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NumBytesToU16 and NumBytesToU32 tested

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This commit is contained in:
Joshua Hoeflich 2021-08-18 17:39:59 -05:00
parent a4197d073c
commit 2672c8ed10
3 changed files with 106 additions and 36 deletions
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16
compiler/builtins/bitcode/src/num.zig
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@ -23,26 +23,22 @@ pub fn asin(num: f64) callconv(.C) f64 {
return @call(.{ .modifier = always_inline }, math.asin, .{num});
}
/// TODO: Obviously, this function should do something more interesting
/// than return the number 40. Fix me!
pub fn bytesToU16C(arg: RocList, position: usize) callconv(.C) u16 {
return @call(.{ .modifier = always_inline }, bytesToU16, .{arg, position});
return @call(.{ .modifier = always_inline }, bytesToU16, .{ arg, position });
}
fn bytesToU16(arg: RocList, position: usize) u16 {
const exampleAnswer: u16 = 40;
return 40;
const bytes = @ptrCast([*]const u8, arg.bytes);
return @bitCast(u16, [_]u8{ bytes[position], bytes[position + 1] });
}
/// TODO: Obviously, this function should do something more interesting
/// than return the number 40. Fix me!
pub fn bytesToU32C(arg: RocList, position: usize) callconv(.C) u32 {
return @call(.{ .modifier = always_inline }, bytesToU32, .{arg, position});
return @call(.{ .modifier = always_inline }, bytesToU32, .{ arg, position });
}
fn bytesToU32(arg: RocList, position: usize) u32 {
const exampleAnswer: u32 = 41;
return 41;
const bytes = @ptrCast([*]const u8, arg.bytes);
return @bitCast(u32, [_]u8{ bytes[position], bytes[position + 1], bytes[position + 2], bytes[position + 3] });
}
pub fn castToNat(num: i64) callconv(.C) usize {