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| author | Andrew Kelley <andrew@ziglang.org> | 2019-04-06 01:03:30 -0400 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2019-04-06 01:03:30 -0400 |
| commit | f00adb47f5c2b70496dac1c48f03236271b9bd57 (patch) | |
| tree | feec3e2bebd850b6a56c329031fff5403da62657 /src/ir.cpp | |
| parent | 974977f12f06726d96e751106cc06eb02f6b0147 (diff) | |
| download | zig-f00adb47f5c2b70496dac1c48f03236271b9bd57.tar.gz zig-f00adb47f5c2b70496dac1c48f03236271b9bd57.zip | |
ir: avoid dependency on isnan
there's a simple way to check for nan that does not need this header.
hryx on IRC reported that Linux Mint based on ubuntu 16.04, kernel
4.15.0, x86_64 did not have the isnan function.
Diffstat (limited to 'src/ir.cpp')
| -rw-r--r-- | src/ir.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/ir.cpp b/src/ir.cpp index 1e9cc5d18c..b602df29ad 100644 --- a/src/ir.cpp +++ b/src/ir.cpp @@ -17,7 +17,6 @@ #include "util.hpp" #include <errno.h> -#include <math.h> struct IrExecContext { ZigList<ConstExprValue *> mem_slot_list; @@ -8251,9 +8250,9 @@ static bool float_is_nan(ConstExprValue *op) { case 16: return f16_isSignalingNaN(op->data.x_f16); case 32: - return isnan(op->data.x_f32); + return op->data.x_f32 != op->data.x_f32; case 64: - return isnan(op->data.x_f64); + return op->data.x_f64 != op->data.x_f64; case 128: return f128M_isSignalingNaN(&op->data.x_f128); default: |