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Diffstat (limited to 'softfloat/SoftFloat-3/source/ui64_to_f64.c')
-rwxr-xr-xsoftfloat/SoftFloat-3/source/ui64_to_f64.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/softfloat/SoftFloat-3/source/ui64_to_f64.c b/softfloat/SoftFloat-3/source/ui64_to_f64.c
new file mode 100755
index 0000000..52c158b
--- /dev/null
+++ b/softfloat/SoftFloat-3/source/ui64_to_f64.c
@@ -0,0 +1,25 @@
+
+#include <stdint.h>
+#include "platform.h"
+#include "primitives.h"
+#include "internals.h"
+#include "softfloat.h"
+
+float64_t ui64_to_f64( uint_fast64_t a )
+{
+ union ui64_f64 uZ;
+
+ if ( ! a ) {
+ uZ.ui = 0;
+ return uZ.f;
+ }
+ if ( a & UINT64_C( 0x8000000000000000 ) ) {
+ return
+ softfloat_roundPackToF64(
+ 0, 0x43D, softfloat_shortShift64RightJam( a, 1 ) );
+ } else {
+ return softfloat_normRoundPackToF64( 0, 0x43C, a );
+ }
+
+}
+