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-rw-r--r--src/math/__log1pf.h35
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diff --git a/src/math/__log1pf.h b/src/math/__log1pf.h
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--- a/src/math/__log1pf.h
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-/* origin: FreeBSD /usr/src/lib/msun/src/k_logf.h */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-/*
- * See comments in __log1p.h.
- */
-
-/* |(log(1+s)-log(1-s))/s - Lg(s)| < 2**-34.24 (~[-4.95e-11, 4.97e-11]). */
-static const float
-Lg1 = 0xaaaaaa.0p-24, /* 0.66666662693 */
-Lg2 = 0xccce13.0p-25, /* 0.40000972152 */
-Lg3 = 0x91e9ee.0p-25, /* 0.28498786688 */
-Lg4 = 0xf89e26.0p-26; /* 0.24279078841 */
-
-static inline float __log1pf(float f)
-{
- float_t hfsq,s,z,R,w,t1,t2;
-
- s = f/(2.0f + f);
- z = s*s;
- w = z*z;
- t1 = w*(Lg2+w*Lg4);
- t2 = z*(Lg1+w*Lg3);
- R = t2+t1;
- hfsq = 0.5f * f * f;
- return s*(hfsq+R);
-}