1 files changed, 21 insertions, 0 deletions
diff --git a/softfloat/i64_to_f64.c b/softfloat/i64_to_f64.c
new file mode 100755
index 0000000..1add960
--- /dev/null
+++ b/softfloat/i64_to_f64.c
@@ -0,0 +1,21 @@
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "platform.h"
+#include "internals.h"
+#include "softfloat.h"
+
+float64_t i64_to_f64( int_fast64_t a )
+{
+    bool sign;
+    union ui64_f64 uZ;
+
+    sign = ( a < 0 );
+    if ( ! ( a & UINT64_C( 0x7FFFFFFFFFFFFFFF ) ) ) {
+        uZ.ui = sign ? packToF64UI( 1, 0x43E, 0 ) : 0;
+        return uZ.f;
+    }
+    return softfloat_normRoundPackToF64( sign, 0x43C, sign ? - a : a );
+
+}
+