float.c: correct the exponent

We would accidentally produce an exponent which was exactly +1 from
the correct one.

1 files changed, 1 insertions, 1 deletions

diff --git a/float.c b/float.c
index 64a77b86..c6126890 100644
--- a/float.c
+++ b/float.c
@@ -376,7 +376,7 @@ static int to_float(char *str, int32_t sign, uint8_t *result,
 		/*
 		 * Normalised.
 		 */
-		exponent += expmax;
+		exponent += expmax-1;
 		ieee_shr(mant, fmt->exponent);
 		ieee_round(mant, fmt->words);
 		/* did we scale up by one? */