fixed bug in float point decoding. previously failed when exponent<0.

2012-07-24 23:59:20 +09:00
parent 989fdbd7ee
commit ed61932579
1 changed files with 1 additions and 1 deletions
--- a/mbus/mbus-protocol.c
+++ b/mbus/mbus-protocol.c
@@ -601,7 +601,7 @@ mbus_data_float_decode(u_char *float_data)
        }
  
        // calculate float value
-        val = (float) sign * fraction * pow(2.0f, -23.0f) * (1 << exponent);
+        val = (float) sign * fraction * pow(2.0f, -23.0f + exponent);

        return val;    
    }