prefer (uint)-1>>1 to ~((uint)1<<n), remove some unnecessary ()

[libm] / src / math / modf.c

diff --git a/src/math/modf.c b/src/math/modf.c
index 362733e..ff85b2a 100644 (file)
--- a/src/math/modf.c
+++ b/src/math/modf.c
@@ -43,7 +43,7 @@ double modf(double x, double *iptr)
                        INSERT_WORDS(x, high & 0x80000000, 0);  /* return +-0 */
                        return x;
                }
-               INSERT_WORDS(*iptr, i0&(~i), 0);
+               INSERT_WORDS(*iptr, i0&~i, 0);
                return x - *iptr;
        } else if (j0 > 51) {  /* no fraction part */
                uint32_t high;
@@ -64,7 +64,7 @@ double modf(double x, double *iptr)
                        INSERT_WORDS(x, high & 0x80000000, 0);  /* return +-0 */
                        return x;
                }
-               INSERT_WORDS(*iptr, i0, i1&(~i));
+               INSERT_WORDS(*iptr, i0, i1&~i);
                return x - *iptr;
        }
 }