math cleanup: use 1.0f instead of (float)1.0

[musl] / src / math / log2f.c

diff --git a/src/math/log2f.c b/src/math/log2f.c
index a968984..c9b9282 100644 (file)
--- a/src/math/log2f.c
+++ b/src/math/log2f.c
@@ -51,8 +51,8 @@ float log2f(float x)
        SET_FLOAT_WORD(x, hx|(i^0x3f800000));  /* normalize x or x/2 */
        k += i>>23;
        y = (float)k;
-       f = x - (float)1.0;
-       hfsq = (float)0.5*f*f;
+       f = x - 1.0f;
+       hfsq = 0.5f * f * f;
        r = __log1pf(f);
 
        /*