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-rw-r--r--ext/standard/math.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/ext/standard/math.c b/ext/standard/math.c
index 5671c9426a..c78ff5633c 100644
--- a/ext/standard/math.c
+++ b/ext/standard/math.c
@@ -132,7 +132,8 @@ PHP_FUNCTION(round)
/* break omitted intentionally */
case IS_DOUBLE:
- return_val = (Z_TYPE_PP(value) == IS_LONG) ? Z_LVAL_PP(value) : Z_DVAL_PP(value);
+ return_val = (Z_TYPE_PP(value) == IS_LONG) ?
+ (double)Z_LVAL_PP(value) : Z_DVAL_PP(value);
f = pow(10.0, places);