| /bionic/libm/src/ |
| e_atanh.c | 24 * atanh(x) = --- * log(1 + -------) = 0.5 * log1p(2 * --------)
28 * atanh(x) = 0.5*log1p(2x+2x*x/(1-x))
59 t = 0.5*log1p(t+t*x/(one-x));
61 t = 0.5*log1p((x+x)/(one-x));
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| e_acosh.c | 26 * acosh(x) := log1p(t+sqrt(2.0*t+t*t)); where t=x-1.
61 return log1p(t+sqrt(2.0*t+t*t));
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| s_asinh.c | 25 * := sign(x)*log1p(|x| + x^2/(1 + sqrt(1+x^2)))
54 w =log1p(fabs(x)+t/(one+__ieee754_sqrt(one+t)));
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| s_log1p.c | 17 /* double log1p(double x)
31 * 2. Approximation of log1p(f).
49 * log1p(f) = f - (hfsq - s*(hfsq+R)).
51 * 3. Finally, log1p(x) = k*ln2 + log1p(f).
58 * log1p(x) is NaN with signal if x < -1 (including -INF) ;
59 * log1p(+INF) is +INF; log1p(-1) is -INF with signal;
60 * log1p(NaN) is that NaN with no signal.
73 * algorithm can be used to compute log1p(x) to within a few ULP
100 log1p(double x) function
[all...] |
| /libcore/luni/src/main/native/ |
| java_lang_Math.cpp | 103 return log1p(a);
125 NATIVE_METHOD(Math, log1p, "!(D)D"),
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| java_lang_StrictMath.cpp | 137 NATIVE_METHOD(StrictMath, log1p, "!(D)D"),
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| /libcore/luni/src/test/java/libcore/java/lang/ |
| OldAndroidMathTest.java | 305 assertTrue("Should return NaN", Double.isNaN(Math.log1p(Double.NaN)));
306 assertTrue("Should return NaN", Double.isNaN(Math.log1p(-32.0482175)));
308 Double.POSITIVE_INFINITY, Math.log1p(Double.POSITIVE_INFINITY), 0D);
310 .log1p(0.0)));
312 .doubleToLongBits(Math.log1p(+0.0)));
314 .doubleToLongBits(Math.log1p(-0.0)));
317 Math.log1p(-0.254856327), 0D);
319 .log1p(1583.542), 0D);
321 Math.log1p(0.5894227), 0D);
323 .log1p(Double.MAX_VALUE), 0D)
[all...] |
| OldAndroidStrictMathTest.java | 318 .log1p(Double.NaN)));
320 .log1p(-32.0482175)));
323 .log1p(Double.POSITIVE_INFINITY));
325 .doubleToLongBits(StrictMath.log1p(0.0)));
327 .doubleToLongBits(StrictMath.log1p(+0.0)));
329 .doubleToLongBits(StrictMath.log1p(-0.0)));
332 StrictMath.log1p(-0.254856327));
334 StrictMath.log1p(1583.542));
336 StrictMath.log1p(0.5894227));
338 StrictMath.log1p(Double.MAX_VALUE))
[all...] |
| /external/apache-harmony/luni/src/test/api/common/org/apache/harmony/luni/tests/java/lang/ |
| StrictMathTest.java | 550 * @tests java.lang.StrictMath#log1p(double)
556 .log1p(Double.NaN)));
558 .log1p(-32.0482175)));
561 .log1p(Double.POSITIVE_INFINITY));
563 .doubleToLongBits(StrictMath.log1p(0.0)));
565 .doubleToLongBits(StrictMath.log1p(+0.0)));
567 .doubleToLongBits(StrictMath.log1p(-0.0)));
570 StrictMath.log1p(-0.254856327));
572 StrictMath.log1p(1583.542));
574 StrictMath.log1p(0.5894227))
[all...] |
| MathTest.java | 592 * @tests java.lang.Math#log1p(double)
596 assertTrue("Should return NaN", Double.isNaN(Math.log1p(Double.NaN)));
597 assertTrue("Should return NaN", Double.isNaN(Math.log1p(-32.0482175)));
599 Double.POSITIVE_INFINITY, Math.log1p(Double.POSITIVE_INFINITY), 0D);
601 .log1p(0.0)));
603 .doubleToLongBits(Math.log1p(+0.0)));
605 .doubleToLongBits(Math.log1p(-0.0)));
608 Math.log1p(-0.254856327), 0D);
610 .log1p(1583.542), 0D);
612 Math.log1p(0.5894227), 0D)
[all...] |
| /prebuilt/darwin-x86/toolchain/arm-eabi-4.3.1/lib/gcc/arm-eabi/4.3.1/include/ |
| tgmath.h | 149 #define log1p(x) __TGMATH_REAL(x, log1p) macro
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| /prebuilt/darwin-x86/toolchain/arm-eabi-4.4.0/lib/gcc/arm-eabi/4.4.0/include/ |
| tgmath.h | 146 #define log1p(x) __TGMATH_REAL(x, log1p) macro
|
| /prebuilt/darwin-x86/toolchain/arm-eabi-4.4.3/lib/gcc/arm-eabi/4.4.3/include/ |
| tgmath.h | 146 #define log1p(x) __TGMATH_REAL(x, log1p) macro
|
| /prebuilt/linux-x86/toolchain/arm-eabi-4.3.1/lib/gcc/arm-eabi/4.3.1/include/ |
| tgmath.h | 149 #define log1p(x) __TGMATH_REAL(x, log1p) macro
|
| /prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/lib/gcc/arm-eabi/4.4.0/include/ |
| tgmath.h | 146 #define log1p(x) __TGMATH_REAL(x, log1p) macro
|
| /prebuilt/linux-x86/toolchain/arm-eabi-4.4.3/lib/gcc/arm-eabi/4.4.3/include/ |
| tgmath.h | 146 #define log1p(x) __TGMATH_REAL(x, log1p) macro
|
| /prebuilt/linux-x86/toolchain/i686-linux-glibc2.7-4.4.3/sysroot/usr/include/bits/ |
| mathcalls.h | 132 __MATHCALL (log1p,, (_Mdouble_ __x));
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| /prebuilt/linux-x86/toolchain/i686-linux-glibc2.7-4.4.3/sysroot/usr/include/ |
| tgmath.h | 306 #define log1p(Val) __TGMATH_UNARY_REAL_ONLY (Val, log1p) macro
|
| /bionic/libm/include/ |
| math.h | 250 double log1p(double);
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| /development/ndk/platforms/android-3/include/ |
| math.h | 250 double log1p(double);
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| /development/ndk/platforms/android-9/include/ |
| math.h | 250 double log1p(double);
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| /prebuilt/linux-x86/toolchain/i686-linux-glibc2.7-4.4.3/i686-linux/include/c++/4.4.3/tr1/ |
| math.h | 69 using std::tr1::log1p;
|
| /prebuilt/ndk/android-ndk-r4/platforms/android-3/arch-arm/usr/include/ |
| math.h | 250 double log1p(double);
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| /prebuilt/ndk/android-ndk-r4/platforms/android-4/arch-arm/usr/include/ |
| math.h | 250 double log1p(double);
|
| /prebuilt/ndk/android-ndk-r4/platforms/android-5/arch-arm/usr/include/ |
| math.h | 250 double log1p(double);
|
