| /src/lib/libm/src/ |
| s_erfl.c | 68 return erf(x);
|
| s_erf.c | 18 /* double erf(double x)
22 * erf(x) = --------- | exp(-t*t)dt
26 * erfc(x) = 1-erf(x)
28 * erf(-x) = -erf(x)
33 * erf(x) = x + x*R(x^2)
34 * erfc(x) = 1 - erf(x) if x in [-.84375,0.25]
39 * | R - (erf(x)-x)/x | <= 2
43 * erf(x) = (2/sqrt(pi))*(x - x^3/3 + x^5/10 - x^7/42 + ....)
47 * point of erf(x) is near 0.6174 (i.e., erf(x)=x when x i
192 erf(double x) function in typeref:typename:double
[all...] |
| /src/tests/lib/libm/ |
| t_erf.c | 38 * erf(3)
43 atf_tc_set_md_var(tc, "descr", "Test erf(NaN) == NaN");
50 ATF_CHECK(isnan(erf(x)) != 0);
56 atf_tc_set_md_var(tc, "descr", "Test erf(-Inf) == -1.0");
63 if (erf(x) != -1.0)
64 atf_tc_fail_nonfatal("erf(-Inf) != -1.0");
70 atf_tc_set_md_var(tc, "descr", "Test erf(+Inf) == 1.0");
77 if (erf(x) != 1.0)
78 atf_tc_fail_nonfatal("erf(+Inf) != 1.0");
84 atf_tc_set_md_var(tc, "descr", "Test erf(-0.0) == -0.0")
[all...] |
| /src/usr.sbin/sysinst/arch/ofppc/ |
| msg.md.de | 89 gen�gend Partitionen um die Minimalanforderungen zu erf�llen.}
|
| /src/tests/lib/lua/libm/ |
| h_lualibm.c | 42 TEST(erf(M_SQRT1_2));
|
| lualibm.lua | 48 test("erf(M_SQRT1_2)", lm.erf(lm.M_SQRT1_2))
|
| /src/lib/libm/noieee_src/ |
| n_erf.c | 33 static char sccsid[] = "@(#)erf.c 8.1 (Berkeley) 6/4/93";
55 /* double erf(double x)
59 * erf(x) = --------- | exp(-t*t)dt
63 * erfc(x) = 1-erf(x)
66 * 1. Reduce x to |x| by erf(-x) = -erf(x)
68 * erf(x) = x + x*P(x^2)
69 * erfc(x) = 1 - erf(x) if x<=0.25
74 * is an approximation to (erf(x)-x)/x with precision
77 * | P - (erf(x)-x)/x | <=
266 erf(double x) function in typeref:typename:double
[all...] |
| /src/lib/libm/ |
| Makefile | 448 erf.3 exp.3 \
487 MLINKS+=erf.3 erff.3 \
488 erf.3 erfl.3 \
489 erf.3 erfc.3 \
490 erf.3 erfcf.3 \
491 erf.3 erfcl.3
|
| /src/include/ |
| tgmath.h | 153 #define erf(a) __TG_FN1(erf, (a)) macro
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| math.h | 268 double erf(double);
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| /src/lib/lua/libm/ |
| libm.c | 119 DFUNC_DBL(erf)
255 { "erf", libm_erf },
|
