diff options
Diffstat (limited to 'libc/math/s_clog10f.c')
-rw-r--r-- | libc/math/s_clog10f.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libc/math/s_clog10f.c b/libc/math/s_clog10f.c index eb1b895ae..c61e8af8c 100644 --- a/libc/math/s_clog10f.c +++ b/libc/math/s_clog10f.c @@ -83,6 +83,13 @@ __clog10f (__complex__ float x) else __real__ result = __log1pf (absy2) * ((float) M_LOG10E / 2.0f); } + else if (absx > 1.0f && absx < 2.0f && absy < 1.0f && scale == 0) + { + float d2m1 = (absx - 1.0f) * (absx + 1.0f); + if (absy >= FLT_EPSILON) + d2m1 += absy * absy; + __real__ result = __log1pf (d2m1) * ((float) M_LOG10E / 2.0f); + } else { float d = __ieee754_hypotf (absx, absy); |