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bsd_source/lib/libc/src_bsd/math/s_asinhf.c - 1.4KB - 45 lines

38:             t = fabsf(x);
39:             w = logf((float)2.0*t+one/(sqrtf(x*x+one)+t));
40:         } else {               /* 2.0 > |x| > 2**-28 */
41:             t = x*x;
42:             w =log1pf(fabsf(x)+t/(one+sqrtf(one+t)));
43:         }