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    Searched defs:erfc (Results 1 - 3 of 3) sorted by relevancy

  /src/lib/libm/src/
s_erf.c 19 * double erfc(double x)
26 * erfc(x) = 1-erf(x)
29 * erfc(-x) = 2 - erfc(x)
34 * erfc(x) = 1 - erf(x) if x in [-.84375,0.25]
54 * erfc(x) = (1-c) - P1(s)/Q1(s) if x > 0
68 * erfc(x) = (1/x)*exp(-x*x-0.5625+R1/S1)
69 * erf(x) = 1 - erfc(x)
75 * erfc(x) = (1/x)*exp(-x*x-0.5625+R2/S2) if x > 0
78 * erf(x) = sign(x)*(1.0 - erfc(x)) if x < 6, els
244 erfc(double x) function in typeref:typename:double
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  /src/include/
tgmath.h 154 #define erfc(a) __TG_FN1(erfc, (a)) macro
  /src/lib/libm/noieee_src/
n_erf.c 44 * Performance of erfc(x):
56 * double erfc(double x)
63 * erfc(x) = 1-erf(x)
69 * erfc(x) = 1 - erf(x) if x<=0.25
92 * erfc(x) = (1-c) - P1(s)/Q1(s)
106 * erfc(x) = (1/x)exp(-x*x-(.5*log(pi) -.5z + R(z)/S(z))
112 * erfc(x) = (1/x)exp(-x*x-(.5*log(pi)+eps + zP(z))
119 * erfc(x) ~ ---------- * ( 1 + Poly(1/x^2) );
126 * erfc*x*exp(x*x) ~ 1/sqrt(pi);
139 * erfc(x) = tiny*tiny (raise underflow
330 erfc(double x) function in typeref:typename:double
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