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

/openjdk7/jdk/src/share/native/java/lang/fdlibm/src/
H A Ds_log1p.c27 /* double log1p(double x)
41 * 2. Approximation of log1p(f).
59 * log1p(f) = f - (hfsq - s*(hfsq+R)).
61 * 3. Finally, log1p(x) = k*ln2 + log1p(f).
68 * log1p(x) is NaN with signal if x < -1 (including -INF) ;
69 * log1p(+INF) is +INF; log1p(-1) is -INF with signal;
70 * log1p(NaN) is that NaN with no signal.
83 * algorithm can be used to compute log1p(
113 double log1p(double x) function
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/openjdk7/jdk/src/share/classes/java/lang/
H A DMath.java1205 * {@code log1p(x)} is much closer to the true result of ln(1
1235 public static double log1p(double x) { method in class:Math
1236 return StrictMath.log1p(x);
H A DStrictMath.java58 * {@code hypot}, {@code expm1}, and {@code log1p}.
1164 * {@code log1p(x)} is much closer to the true result of ln(1
1190 public static native double log1p(double x); method in class:StrictMath
/openjdk7/jdk/src/share/native/java/lang/fdlibm/include/
H A Djfdlibm.h61 #define log1p jlog1p macro

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