Merge remote-tracking branch 'nsz/math'
[musl] / src / math / scalbnf.c
index 243dafd..f94b5d5 100644 (file)
@@ -10,8 +10,10 @@ float scalbnf(float x, int n)
                if (n > 127) {
                        x *= 0x1p127f;
                        n -= 127;
-                       if (n > 127)
-                               return x * 0x1p127f;
+                       if (n > 127) {
+                               STRICT_ASSIGN(float, x, x * 0x1p127f);
+                               return x;
+                       }
                }
        } else if (n < -126) {
                x *= 0x1p-126f;
@@ -19,10 +21,13 @@ float scalbnf(float x, int n)
                if (n < -126) {
                        x *= 0x1p-126f;
                        n += 126;
-                       if (n < -126)
-                               return x * 0x1p-126f;
+                       if (n < -126) {
+                               STRICT_ASSIGN(float, x, x * 0x1p-126f);
+                               return x;
+                       }
                }
        }
        SET_FLOAT_WORD(scale, (uint32_t)(0x7f+n)<<23);
-       return x * scale;
+       STRICT_ASSIGN(float, x, x * scale);
+       return x;
 }