diff options
| author | Andrew Kelley <andrew@ziglang.org> | 2020-01-13 16:51:58 -0500 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2020-01-16 21:58:52 -0500 |
| commit | 8bf425957b253d0ab2e4902d57340b19b7436698 (patch) | |
| tree | 3a62b6c16a64313195c5b01154bf8ee631aec97f /src/softfloat.hpp | |
| parent | e48157c3cb817ff1551f74fc1da9f420e38ccbd5 (diff) | |
| download | zig-8bf425957b253d0ab2e4902d57340b19b7436698.tar.gz zig-8bf425957b253d0ab2e4902d57340b19b7436698.zip | |
fix regressions double implicit casting return ptr
Diffstat (limited to 'src/softfloat.hpp')
| -rw-r--r-- | src/softfloat.hpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/softfloat.hpp b/src/softfloat.hpp index 4b227e9d7c..a1173690b5 100644 --- a/src/softfloat.hpp +++ b/src/softfloat.hpp @@ -12,4 +12,21 @@ extern "C" { #include "softfloat.h" } +static inline float16_t zig_double_to_f16(double x) { + float64_t y; + static_assert(sizeof(x) == sizeof(y), ""); + memcpy(&y, &x, sizeof(x)); + return f64_to_f16(y); +} + + +// Return value is safe to coerce to float even when |x| is NaN or Infinity. +static inline double zig_f16_to_double(float16_t x) { + float64_t y = f16_to_f64(x); + double z; + static_assert(sizeof(y) == sizeof(z), ""); + memcpy(&z, &y, sizeof(y)); + return z; +} + #endif |