return 0.0; /* acosh(1) = 0 */
} else if (hx > 0x40000000) { /* 2**28 > x > 2 */
t = x*x;
- return logf((float)2.0*x - one/(x+sqrtf(t-one)));
+ return logf(2.0f*x - one/(x+sqrtf(t-one)));
} else { /* 1 < x < 2 */
t = x-one;
- return log1pf(t + sqrtf((float)2.0*t+t*t));
+ return log1pf(t + sqrtf(2.0f*t+t*t));
}
}