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| author | Andrew Kelley <superjoe30@gmail.com> | 2018-05-26 14:57:53 -0400 |
|---|---|---|
| committer | Andrew Kelley <superjoe30@gmail.com> | 2018-05-26 14:57:53 -0400 |
| commit | 7fa97b752e167de6df9a8a76999456d2c199b345 (patch) | |
| tree | d05c10a10132d99d402d3912d626f84cedb27ceb /std/math/log1p.zig | |
| parent | 8efb3f5e197edf2debebf0557c74fef2541cc117 (diff) | |
| download | zig-7fa97b752e167de6df9a8a76999456d2c199b345.tar.gz zig-7fa97b752e167de6df9a8a76999456d2c199b345.zip | |
add strict float mode to some math functions
fixes a test failure for acosh32
Diffstat (limited to 'std/math/log1p.zig')
| -rw-r--r-- | std/math/log1p.zig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/std/math/log1p.zig b/std/math/log1p.zig index 4616a2f2ba..0a43e121ab 100644 --- a/std/math/log1p.zig +++ b/std/math/log1p.zig @@ -6,6 +6,7 @@ // - log1p(x) = nan if x < -1 // - log1p(nan) = nan +const builtin = @import("builtin"); const std = @import("../index.zig"); const math = std.math; const assert = std.debug.assert; @@ -20,6 +21,8 @@ pub fn log1p(x: var) @typeOf(x) { } fn log1p_32(x: f32) f32 { + @setFloatMode(this, builtin.FloatMode.Strict); + const ln2_hi = 6.9313812256e-01; const ln2_lo = 9.0580006145e-06; const Lg1: f32 = 0xaaaaaa.0p-24; @@ -96,6 +99,8 @@ fn log1p_32(x: f32) f32 { } fn log1p_64(x: f64) f64 { + @setFloatMode(this, builtin.FloatMode.Strict); + const ln2_hi: f64 = 6.93147180369123816490e-01; const ln2_lo: f64 = 1.90821492927058770002e-10; const Lg1: f64 = 6.666666666666735130e-01; |