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| author | Andrea Orru <andrea@orru.io> | 2018-08-06 01:43:19 -0400 |
|---|---|---|
| committer | Andrea Orru <andrea@orru.io> | 2018-08-06 01:43:19 -0400 |
| commit | d2f5e57b68da0b16e5789ca19045ccbcb4ecfa8d (patch) | |
| tree | e9fa3caec533a0d1e2b434868b2fde1f9240e5c8 /std/math/isfinite.zig | |
| parent | 06614b3fa09954464c2e2f32756cacedc178a282 (diff) | |
| parent | 63a23e848a62d5f167f8d5478de9766cb24aa6eb (diff) | |
| download | zig-d2f5e57b68da0b16e5789ca19045ccbcb4ecfa8d.tar.gz zig-d2f5e57b68da0b16e5789ca19045ccbcb4ecfa8d.zip | |
Merge branch 'master' into zen_stdlib
Diffstat (limited to 'std/math/isfinite.zig')
| -rw-r--r-- | std/math/isfinite.zig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/std/math/isfinite.zig b/std/math/isfinite.zig index 37ead03bba..3a5d4f01bb 100644 --- a/std/math/isfinite.zig +++ b/std/math/isfinite.zig @@ -5,6 +5,10 @@ const assert = std.debug.assert; pub fn isFinite(x: var) bool { const T = @typeOf(x); switch (T) { + f16 => { + const bits = @bitCast(u16, x); + return bits & 0x7FFF < 0x7C00; + }, f32 => { const bits = @bitCast(u32, x); return bits & 0x7FFFFFFF < 0x7F800000; @@ -20,10 +24,14 @@ pub fn isFinite(x: var) bool { } test "math.isFinite" { + assert(isFinite(f16(0.0))); + assert(isFinite(f16(-0.0))); assert(isFinite(f32(0.0))); assert(isFinite(f32(-0.0))); assert(isFinite(f64(0.0))); assert(isFinite(f64(-0.0))); + assert(!isFinite(math.inf(f16))); + assert(!isFinite(-math.inf(f16))); assert(!isFinite(math.inf(f32))); assert(!isFinite(-math.inf(f32))); assert(!isFinite(math.inf(f64))); |