math: tan cleanups

[musl] / src / math / __tandf.c

diff --git a/src/math/__tandf.c b/src/math/__tandf.c
index 3e632fd..25047ee 100644 (file)
--- a/src/math/__tandf.c
+++ b/src/math/__tandf.c
@@ -25,7 +25,7 @@ static const double T[] = {
   0x1362b9bf971bcd.0p-59, /* 0.00946564784943673166728 */
 };
 
-float __tandf(double x, int iy)
+float __tandf(double x, int odd)
 {
        double_t z,r,w,s,t,u;
 
@@ -50,6 +50,5 @@ float __tandf(double x, int iy)
        s = z*x;
        u = T[0] + z*T[1];
        r = (x + s*u) + (s*w)*(t + w*r);
-       if(iy==1) return r;
-       else return -1.0/r;
+       return odd ? -1.0/r : r;
 }