Merge remote-tracking branch 'origin/master' into llvm10

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