| author |  Andrew Kelley <andrew@ziglang.org> 2021-10-22 10:47:42-07:00 |
| committer | Andrew Kelley <andrew@ziglang.org> 2021-10-22 10:48:45-07:00 |
| log | 86b92809635607ff357ce96902e2aaf83c3fd029 |
| tree | 5179c5f046618c054b2778cbb97a945e5e07f642 |
| parent | d0dceae736edb43d4c217306a2b0445277f184ce |
zig libc: export floorl and ceill
needed since self-hosted now contains calls to `@divFloor` and
`@divTrunc` for 128-bit floats.3 files changed, 28 insertions(+), 11 deletions(-)
lib- std
- special
lib/std/math/ceil.zig+4
| ... | ... | @@ -20,6 +20,10 @@ pub fn ceil(x: anytype) @TypeOf(x) { |
| 20 | 20 | f32 => ceil32(x), |
| 21 | 21 | f64 => ceil64(x), |
| 22 | 22 | f128 => ceil128(x), |
| 23 | ||
| 24 | // TODO this is not correct for some targets | |
| 25 | c_longdouble => @floatCast(c_longdouble, ceil128(x)), | |
| 26 | ||
| 23 | 27 | else => @compileError("ceil not implemented for " ++ @typeName(T)), |
| 24 | 28 | }; |
| 25 | 29 | } |
lib/std/math/floor.zig+4
| ... | ... | @@ -21,6 +21,10 @@ pub fn floor(x: anytype) @TypeOf(x) { |
| 21 | 21 | f32 => floor32(x), |
| 22 | 22 | f64 => floor64(x), |
| 23 | 23 | f128 => floor128(x), |
| 24 | ||
| 25 | // TODO this is not correct for some targets | |
| 26 | c_longdouble => @floatCast(c_longdouble, floor128(x)), | |
| 27 | ||
| 24 | 28 | else => @compileError("floor not implemented for " ++ @typeName(T)), |
| 25 | 29 | }; |
| 26 | 30 | } |
lib/std/special/c_stage1.zig+20-11
| ... | ... | @@ -644,32 +644,41 @@ export fn fmod(x: f64, y: f64) f64 { |
| 644 | 644 | export fn floorf(x: f32) f32 { |
| 645 | 645 | return math.floor(x); |
| 646 | 646 | } |
| 647 | ||
| 648 | export fn ceilf(x: f32) f32 { | |
| 649 | return math.ceil(x); | |
| 650 | } | |
| 651 | ||
| 652 | 647 | export fn floor(x: f64) f64 { |
| 653 | 648 | return math.floor(x); |
| 654 | 649 | } |
| 650 | export fn floorl(x: c_longdouble) c_longdouble { | |
| 651 | if (!long_double_is_f128) { | |
| 652 | @panic("TODO implement this"); | |
| 653 | } | |
| 654 | return math.floor(x); | |
| 655 | } | |
| 655 | 656 | |
| 657 | export fn ceilf(x: f32) f32 { | |
| 658 | return math.ceil(x); | |
| 659 | } | |
| 656 | 660 | export fn ceil(x: f64) f64 { |
| 657 | 661 | return math.ceil(x); |
| 658 | 662 | } |
| 659 | ||
| 660 | export fn fmal(a: c_longdouble, b: c_longdouble, c: c_longdouble) c_longdouble { | |
| 663 | export fn ceill(x: c_longdouble) c_longdouble { | |
| 661 | 664 | if (!long_double_is_f128) { |
| 662 | 665 | @panic("TODO implement this"); |
| 663 | 666 | } |
| 664 | return math.fma(c_longdouble, a, b, c); | |
| 667 | return math.ceil(x); | |
| 668 | } | |
| 669 | ||
| 670 | export fn fmaf(a: f32, b: f32, c: f32) f32 { | |
| 671 | return math.fma(f32, a, b, c); | |
| 665 | 672 | } |
| 666 | 673 | |
| 667 | 674 | export fn fma(a: f64, b: f64, c: f64) f64 { |
| 668 | 675 | return math.fma(f64, a, b, c); |
| 669 | 676 | } |
| 670 | ||
| 671 | export fn fmaf(a: f32, b: f32, c: f32) f32 { | |
| 672 | return math.fma(f32, a, b, c); | |
| 677 | export fn fmal(a: c_longdouble, b: c_longdouble, c: c_longdouble) c_longdouble { | |
| 678 | if (!long_double_is_f128) { | |
| 679 | @panic("TODO implement this"); | |
| 680 | } | |
| 681 | return math.fma(c_longdouble, a, b, c); | |
| 673 | 682 | } |
| 674 | 683 | |
| 675 | 684 | export fn sin(a: f64) f64 { |