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

[musl] / src / math / logf.c

diff --git a/src/math/logf.c b/src/math/logf.c
index 285ee61..a4ed697 100644 (file)
--- a/src/math/logf.c
+++ b/src/math/logf.c
@@ -52,7 +52,7 @@ float logf(float x)
        i = (ix + (0x95f64<<3)) & 0x800000;
        SET_FLOAT_WORD(x, ix|(i^0x3f800000));  /* normalize x or x/2 */
        k += i>>23;
-       f = x - (float)1.0;
+       f = x - 1.0f;
        if ((0x007fffff & (0x8000 + ix)) < 0xc000) {  /* -2**-9 <= f < 2**-9 */
                if (f == zero) {
                        if (k == 0)
@@ -60,13 +60,13 @@ float logf(float x)
                        dk = (float)k;
                        return dk*ln2_hi + dk*ln2_lo;
                }
-               R = f*f*((float)0.5 - (float)0.33333333333333333*f);
+               R = f*f*(0.5f - 0.33333333333333333f*f);
                if (k == 0)
                        return f-R;
                dk = (float)k;
                return dk*ln2_hi - ((R-dk*ln2_lo)-f);
        }
-       s = f/((float)2.0+f);
+       s = f/(2.0f + f);
        dk = (float)k;
        z = s*s;
        i = ix-(0x6147a<<3);
@@ -77,7 +77,7 @@ float logf(float x)
        i |= j;
        R = t2 + t1;
        if (i > 0) {
-               hfsq = (float)0.5*f*f;
+               hfsq = 0.5f * f * f;
                if (k == 0)
                        return f - (hfsq-s*(hfsq+R));
                return dk*ln2_hi - ((hfsq-(s*(hfsq+R)+dk*ln2_lo))-f);