From 1e163c715550e20e239976a22e00869884713e54 Mon Sep 17 00:00:00 2001
From: Andrew Waterman <waterman@s141.Millennium.Berkeley.EDU>
Date: Sun, 19 Jun 2011 21:45:58 -0700
Subject: fixed build after repo split

---
 softfloat/f32_to_f64.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100755 softfloat/f32_to_f64.c

(limited to 'softfloat/f32_to_f64.c')

diff --git a/softfloat/f32_to_f64.c b/softfloat/f32_to_f64.c
new file mode 100755
index 0000000..9f0ae5c
--- /dev/null
+++ b/softfloat/f32_to_f64.c
@@ -0,0 +1,47 @@
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "platform.h"
+#include "internals.h"
+#include "specialize.h"
+#include "softfloat.h"
+
+float64_t f32_to_f64( float32_t a )
+{
+    union ui32_f32 uA;
+    uint_fast32_t uiA;
+    bool sign;
+    int_fast16_t exp;
+    uint_fast32_t sig;
+    uint_fast64_t uiZ;
+    struct exp16_sig32 normExpSig;
+    union ui64_f64 uZ;
+
+    uA.f = a;
+    uiA = uA.ui;
+    sign = signF32UI( uiA );
+    exp = expF32UI( uiA );
+    sig = fracF32UI( uiA );
+    if ( exp == 0xFF ) {
+        uiZ =
+            sig ? softfloat_commonNaNToF64UI(
+                      softfloat_f32UIToCommonNaN( uiA ) )
+                : packToF64UI( sign, 0x7FF, 0 );
+        goto uiZ;
+    }
+    if ( ! exp ) {
+        if ( ! sig ) {
+            uiZ = packToF64UI( sign, 0, 0 );
+            goto uiZ;
+        }
+        normExpSig = softfloat_normSubnormalF32Sig( sig );
+        exp = normExpSig.exp - 1;
+        sig = normExpSig.sig;
+    }
+    uiZ = packToF64UI( sign, exp + 0x380, (uint_fast64_t) sig<<29 );
+ uiZ:
+    uZ.ui = uiZ;
+    return uZ.f;
+
+}
+
-- 
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