1 files changed, 31 insertions, 0 deletions
diff --git a/softfloat/i32_to_f64.c b/softfloat/i32_to_f64.c
new file mode 100755
index 0000000..d42cbe8
--- /dev/null
+++ b/softfloat/i32_to_f64.c
@@ -0,0 +1,31 @@
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "platform.h"
+#include "primitives.h"
+#include "internals.h"
+#include "softfloat.h"
+
+float64_t i32_to_f64( int_fast32_t a )
+{
+    uint_fast64_t uiZ;
+    bool sign;
+    uint_fast32_t absA;
+    int shiftCount;
+    union ui64_f64 uZ;
+
+    if ( ! a ) {
+        uiZ = 0;
+    } else {
+        sign = ( a < 0 );
+        absA = sign ? - a : a;
+        shiftCount = softfloat_countLeadingZeros32( absA ) + 21;
+        uiZ =
+            packToF64UI(
+                sign, 0x432 - shiftCount, (uint_fast64_t) absA<<shiftCount );
+    }
+    uZ.ui = uiZ;
+    return uZ.f;
+
+}
+