| author |  Andrew Kelley <andrew@ziglang.org> 2022-03-14 00:08:31-07:00 |
| committer | Andrew Kelley <andrew@ziglang.org> 2022-03-14 00:11:46-07:00 |
| log | 2a50a4629b19af1e72f55a41f45398be61bb7db1 |
| tree | 4f55ec26c93bf5dd887ae6261d41c4212f025456 |
| parent | 547e6f6ee1c789fbcedd54ba28a69c1626e1465d |
freestanding libc: include roundl
2 files changed, 13 insertions(+), 1 deletions(-)
lib/std/math/round.zig+4
| ... | ... | @@ -20,6 +20,10 @@ pub fn round(x: anytype) @TypeOf(x) { |
| 20 | 20 | f32 => round32(x), |
| 21 | 21 | f64 => round64(x), |
| 22 | 22 | f128 => round128(x), |
| 23 | ||
| 24 | // TODO this is not correct for some targets | |
| 25 | c_longdouble => @floatCast(c_longdouble, round128(x)), | |
| 26 | ||
| 23 | 27 | else => @compileError("round not implemented for " ++ @typeName(T)), |
| 24 | 28 | }; |
| 25 | 29 | } |
lib/std/special/c.zig+9-1
| ... | ... | @@ -98,6 +98,7 @@ comptime { |
| 98 | 98 | |
| 99 | 99 | @export(round, .{ .name = "round", .linkage = .Strong }); |
| 100 | 100 | @export(roundf, .{ .name = "roundf", .linkage = .Strong }); |
| 101 | @export(roundl, .{ .name = "roundl", .linkage = .Strong }); | |
| 101 | 102 | |
| 102 | 103 | @export(fmin, .{ .name = "fmin", .linkage = .Strong }); |
| 103 | 104 | @export(fminf, .{ .name = "fminf", .linkage = .Strong }); |
| ... | ... | @@ -575,11 +576,18 @@ fn fabsf(a: f32) callconv(.C) f32 { |
| 575 | 576 | return math.fabs(a); |
| 576 | 577 | } |
| 577 | 578 | |
| 579 | fn roundf(a: f32) callconv(.C) f32 { | |
| 580 | return math.round(a); | |
| 581 | } | |
| 582 | ||
| 578 | 583 | fn round(a: f64) callconv(.C) f64 { |
| 579 | 584 | return math.round(a); |
| 580 | 585 | } |
| 581 | 586 | |
| 582 | fn roundf(a: f32) callconv(.C) f32 { | |
| 587 | fn roundl(a: c_longdouble) callconv(.C) c_longdouble { | |
| 588 | if (!long_double_is_f128) { | |
| 589 | @panic("TODO implement this"); | |
| 590 | } | |
| 583 | 591 | return math.round(a); |
| 584 | 592 | } |
| 585 | 593 |