Searched defs:log1p (Results 1 - 4 of 4) sorted by relevance

/illumos-gate/usr/src/lib/libast/common/uwin/
H A Dlog1p.c39 static char sccsid[] = "@(#)log1p.c 8.1 (Berkeley) 6/4/93";
85 * log1p(x) is NaN with signal if x < -1; log1p(NaN) is NaN with no signal;
86 * log1p(INF) is +INF; log1p(-1) is -INF with signal;
87 * only log1p(0)=0 is exact for finite argument.
90 * log1p(x) returns the exact log(1+x) nearly rounded. In a test run
118 extern double log1p(x) function
/illumos-gate/usr/src/lib/libm/common/C/
H A Dlog1p.c29 #pragma weak __log1p = log1p
45 * 2. Approximation of log1p(f).
63 * log1p(f) = f - (hfsq - s*(hfsq+R)).
65 * 3. Finally, log1p(x) = k*ln2 + log1p(f).
72 * log1p(x) is NaN with signal if x < -1 (including -INF) ;
73 * log1p(+INF) is +INF; log1p(-1) is -INF with signal;
74 * log1p(NaN) is that NaN with no signal.
87 * algorithm can be used to compute log1p(
125 log1p(double x) { function
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/illumos-gate/usr/src/head/
H A Dtgmath.h122 #undef log1p macro
123 #define log1p(x) __tgmath_log1p(x) macro
/illumos-gate/usr/src/lib/libm1/common/
H A Dlibmv1.c62 #pragma weak log1p = __log1p macro

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