Add f64_to_bf16; fix f32_to_bf16fix-bf16

1 files changed, 1 insertions, 40 deletions

diff --git a/softfloat/f32_to_bf16.c b/softfloat/f32_to_bf16.c
index 615f858..929def7 100644
--- a/softfloat/f32_to_bf16.c
+++ b/softfloat/f32_to_bf16.c
@@ -43,45 +43,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 bfloat16_t f32_to_bf16( float32_t a )
 {
-    union ui32_f32 uA;
-    uint_fast32_t uiA;
-    bool sign;
-    int_fast16_t exp;
-    uint_fast32_t frac;
-    struct commonNaN commonNaN;
-    uint_fast16_t uiZ, frac16;
-    union ui16_f16 uZ;
-    /*------------------------------------------------------------------------
-    *------------------------------------------------------------------------*/
-    uA.f = a;
-    uiA = uA.ui;
-    sign = signF32UI( uiA );
-    exp  = expF32UI( uiA );
-    frac = fracF32UI( uiA );
-    /*------------------------------------------------------------------------
-    *------------------------------------------------------------------------*/
-    if ( exp == 0xFF ) {
-        if ( frac ) {
-            softfloat_f32UIToCommonNaN( uiA, &commonNaN );
-            uiZ = softfloat_commonNaNToBF16UI( &commonNaN );
-        } else {
-            uiZ = packToBF16UI( sign, 0xFF, 0 );
-        }
-        goto uiZ;
-    }
-    /*------------------------------------------------------------------------
-    *------------------------------------------------------------------------*/
-    frac16 = frac>>9 | ((frac & 0x1FF) != 0);
-    if ( ! (exp | frac16) ) {
-        uiZ = packToBF16UI( sign, 0, 0 );
-        goto uiZ;
-    }
-    /*------------------------------------------------------------------------
-    *------------------------------------------------------------------------*/
-    return softfloat_roundPackToBF16( sign, exp - 1, frac16 | 0x4000 );
- uiZ:
-    uZ.ui = uiZ;
-    return uZ.f;
-
+    return f64_to_bf16( f32_to_f64( a ) );
 }