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zig libc: export floorl and ceill

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needed since self-hosted now contains calls to `@divFloor` and
`@divTrunc` for 128-bit floats.
This commit is contained in:
Andrew Kelley 2021-10-22 10:47:42 -07:00
parent d0dceae736
commit 86b9280963
3 changed files with 28 additions and 11 deletions
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4
lib/std/math/ceil.zig
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@ -20,6 +20,10 @@ pub fn ceil(x: anytype) @TypeOf(x) {
f32 => ceil32(x),
f64 => ceil64(x),
f128 => ceil128(x),
// TODO this is not correct for some targets
c_longdouble => @floatCast(c_longdouble, ceil128(x)),
else => @compileError("ceil not implemented for " ++ @typeName(T)),
};
}

4
lib/std/math/floor.zig
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@ -21,6 +21,10 @@ pub fn floor(x: anytype) @TypeOf(x) {
f32 => floor32(x),
f64 => floor64(x),
f128 => floor128(x),
// TODO this is not correct for some targets
c_longdouble => @floatCast(c_longdouble, floor128(x)),
else => @compileError("floor not implemented for " ++ @typeName(T)),
};
}

31
lib/std/special/c_stage1.zig
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@ -644,32 +644,41 @@ export fn fmod(x: f64, y: f64) f64 {
export fn floorf(x: f32) f32 {
return math.floor(x);
}
export fn floor(x: f64) f64 {
return math.floor(x);
}
export fn floorl(x: c_longdouble) c_longdouble {
if (!long_double_is_f128) {
@panic("TODO implement this");
}
return math.floor(x);
}
export fn ceilf(x: f32) f32 {
return math.ceil(x);
}
export fn floor(x: f64) f64 {
return math.floor(x);
}
export fn ceil(x: f64) f64 {
return math.ceil(x);
}
export fn fmal(a: c_longdouble, b: c_longdouble, c: c_longdouble) c_longdouble {
export fn ceill(x: c_longdouble) c_longdouble {
if (!long_double_is_f128) {
@panic("TODO implement this");
}
return math.fma(c_longdouble, a, b, c);
return math.ceil(x);
}
export fn fmaf(a: f32, b: f32, c: f32) f32 {
return math.fma(f32, a, b, c);
}
export fn fma(a: f64, b: f64, c: f64) f64 {
return math.fma(f64, a, b, c);
}
export fn fmaf(a: f32, b: f32, c: f32) f32 {
return math.fma(f32, a, b, c);
export fn fmal(a: c_longdouble, b: c_longdouble, c: c_longdouble) c_longdouble {
if (!long_double_is_f128) {
@panic("TODO implement this");
}
return math.fma(c_longdouble, a, b, c);
}
export fn sin(a: f64) f64 {