| /bionic/libm/src/ |
| s_nextafterf.c | 44 if(hx>hy) { /* x > y, x -= ulp */
46 } else { /* x < y, x += ulp */
50 if(hy>=0||hx>hy){ /* x < y, x -= ulp */
52 } else { /* x > y, x += ulp */
|
| e_sqrt.c | 72 * result is exact, bigger than 1/2ulp, or less than 1/2ulp
73 * (it will never equal to 1/2ulp).
248 sqrt(x) to within 1 ulp (Unit in the Last Place):
252 y := y-(y-x/y)/2 ... within 1 ulp
256 Another way to improve y to within 1 ulp is:
263 y := y + 2* ---------- ...within 1 ulp
281 use the expression y+-ulp for the next representable floating
282 numbers (up and down) of y. Note that y+-ulp = either fixed
295 z := z - ulp; ... special roundin
[all...] |
| s_nextafter.c | 52 if(hx>hy||((hx==hy)&&(lx>ly))) { /* x > y, x -= ulp */
55 } else { /* x < y, x += ulp */
60 if(hy>=0||hx>hy||((hx==hy)&&(lx>ly))){/* x < y, x -= ulp */
63 } else { /* x > y, x += ulp */
|
| s_nexttowardf.c | 45 if(hx>=0 ^ x < y) /* x -= ulp */
47 else /* x += ulp */
|
| s_nextafterl.c | 57 if(x>0.0 ^ x<y) { /* x -= ulp */
64 } else { /* x += ulp */
|
| s_nexttoward.c | 55 if(hx>0.0 ^ x < y) { /* x -= ulp */
58 } else { /* x += ulp */
|
| e_hypot.c | 22 * has error less than sqrt(2)/2 ulp, than
23 * sqrt(z) has error less than 1 ulp (exercise).
26 * follows to get the error below 1 ulp:
|
| s_log1p.c | 47 * In order to guarantee error in log below 1ulp, we compute log
64 * 1 ulp (unit in the last place).
73 * algorithm can be used to compute log1p(x) to within a few ULP:
|
| /external/fdlibm/ |
| e_sqrt.c | 67 * result is exact, bigger than 1/2ulp, or less than 1/2ulp
68 * (it will never equal to 1/2ulp).
252 sqrt(x) to within 1 ulp (Unit in the Last Place):
256 y := y-(y-x/y)/2 ... within 1 ulp
260 Another way to improve y to within 1 ulp is:
267 y := y + 2* ---------- ...within 1 ulp
285 use the expression y+-ulp for the next representable floating
286 numbers (up and down) of y. Note that y+-ulp = either fixed
299 z := z - ulp; ... special roundin
[all...] |
| changes | 64 2. k_tan.c error was > 1 ulp target for FDLIBM
65 5.2: Worst error at least 1.45 ulp at
67 5.3: Worst error 0.96 ulp
|
| s_nextafter.c | 51 if(hx>hy||((hx==hy)&&(lx>ly))) { /* x > y, x -= ulp */
54 } else { /* x < y, x += ulp */
59 if(hy>=0||hx>hy||((hx==hy)&&(lx>ly))){/* x < y, x -= ulp */
62 } else { /* x > y, x += ulp */
|
| e_hypot.c | 18 * has error less than ieee_sqrt(2)/2 ulp, than
19 * sqrt(z) has error less than 1 ulp (exercise).
22 * follows to get the error below 1 ulp:
|
| s_log1p.c | 44 * In order to guarantee error in log below 1ulp, we compute log
61 * 1 ulp (unit in the last place).
70 * algorithm can be used to compute ieee_log1p(x) to within a few ULP:
|
| /external/qemu/distrib/sdl-1.2.12/src/video/ |
| e_sqrt.h | 71 * result is exact, bigger than 1/2ulp, or less than 1/2ulp
72 * (it will never equal to 1/2ulp).
295 sqrt(x) to within 1 ulp (Unit in the Last Place):
299 y := y-(y-x/y)/2 ... within 1 ulp
303 Another way to improve y to within 1 ulp is:
310 y := y + 2* ---------- ...within 1 ulp
328 use the expression y+-ulp for the next representable floating
329 numbers (up and down) of y. Note that y+-ulp = either fixed
342 z := z - ulp; ... special roundin
[all...] |
| /frameworks/base/tests/CoreTests/android/core/ |
| MathTest.java | 38 Assert.assertEquals(message, expected, actual, Math.ulp(expected));
46 Assert.assertEquals(message, expected, actual, Math.ulp(expected));
759 * @tests java.lang.Math#ulp(double)
765 assertTrue("Should return NaN", Double.isNaN(Math.ulp(Double.NaN)));
767 .ulp(Double.POSITIVE_INFINITY), 0D);
769 .ulp(Double.NEGATIVE_INFINITY), 0D);
771 .ulp(0.0), 0D);
773 .ulp(+0.0), 0D);
775 .ulp(-0.0), 0D);
777 .ulp(Double.MAX_VALUE), 0D)
[all...] |
| StrictMathTest.java | 782 * @tests java.lang.StrictMath#ulp(double)
789 .isNaN(StrictMath.ulp(Double.NaN)));
791 StrictMath.ulp(Double.POSITIVE_INFINITY), 0D);
793 StrictMath.ulp(Double.NEGATIVE_INFINITY), 0D);
795 .ulp(0.0), 0D);
797 .ulp(+0.0), 0D);
799 .ulp(-0.0), 0D);
801 StrictMath.ulp(Double.MAX_VALUE), 0D);
803 StrictMath.ulp(-Double.MAX_VALUE), 0D);
[all...] |
| /dalvik/libcore/luni/src/main/java/java/lang/ |
| Math.java | 119 * 1 ulp (unit in the last place) of the real result.
137 * ulp (unit in the last place) of the real result.
155 * within 1 ulp (unit in the last place) of the real result.
253 * The returned result is within 1 ulp (unit in the last place) of the real
289 * of the argument. The returned result is within 1 ulp (unit in the last
309 * cancellation of significant digits). The returned result is within 1 ulp
313 * result is within 0.5 ulp of -1, -1.0 is returned.
354 * medium underflow or overflow. The returned result is within 1 ulp (unit
406 * argument. The returned result is within 1 ulp (unit in the last place) of
427 * argument. The returned result is within 1 ulp (unit in the last place) o
1007 public static double ulp(double d) { method in class:Math
1037 public static float ulp(float f) { method in class:Math
[all...] |
| StrictMath.java | 999 public static double ulp(double d) { method in class:StrictMath
1029 public static float ulp(float f) { method in class:StrictMath
[all...] |
| /dalvik/libcore/luni/src/test/java/org/apache/harmony/luni/tests/java/lang/ |
| MathTest.java | 38 junit.framework.Assert.assertEquals(message, expected, actual, Math.ulp(expected));
45 junit.framework.Assert.assertEquals(message, expected, actual, Math.ulp(expected));
[all...] |
| StrictMathTest.java | [all...] |
| /external/ipsec-tools/src/racoon/ |
| policy.h | 112 #define KEY_SETSECSPIDX(_dir, s, d, ps, pd, ulp, _priority, _created, idx) \
118 (idx)->ul_proto = (ulp); \
125 #define KEY_SETSECSPIDX(_dir, s, d, ps, pd, ulp, _created, idx) \
131 (idx)->ul_proto = (ulp); \
|
| /bionic/libm/bsdsrc/ |
| b_tgamma.c | 76 * x > 0: error provably < 0.9ulp.
77 * Maximum observed in 1,000,000 trials was .87ulp.
79 * Maximum observed error < 4ulp in 1,000,000 trials.
154 * Accurate to max(ulp(1/128) absolute, 2^-66 relative) error.
182 * Good to < 1 ulp. (provably .90 ulp; .87 ulp on 1,000,000 runs.)
217 * Good on (0, 1+x0+LEFT]. Accurate to 1ulp.
|
| /bionic/libm/man/ |
| ieee.3 | 104 .Em ulp ,
106 .Em ulp
110 .Em ulp
166 .Em ulp ) ,
201 .Em ulp ) ,
231 .Em ulp ) ,
261 .Em ulp ) ,
|
| /external/ipsec-tools/src/libipsec/ |
| pfkey_dump.c | 695 str_prefport(family, pref, port, ulp)
696 u_int family, pref, port, ulp;
719 if (ulp == IPPROTO_ICMPV6)
734 str_upperspec(ulp, p1, p2)
735 u_int ulp, p1, p2;
737 if (ulp == IPSEC_ULPROTO_ANY)
739 else if (ulp == IPPROTO_ICMPV6) {
746 switch (ulp) {
751 ent = getprotobynumber((int)ulp);
755 printf("%u", ulp);
[all...] |
| /hardware/msm7k/librpc/rpc/ |
| xdr.h | 90 extern bool_t xdr_long (XDR *xdr, long *ulp);
91 extern bool_t xdr_u_long (XDR *xdr, u_long *ulp);
|
