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e_lgammal_r.c
(11.43 KB)
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e_powl.c
(11.71 KB)
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e_rem_pio2l.h
(3.92 KB)
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invtrig.c
(4.09 KB)
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invtrig.h
(3.54 KB)
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k_cosl.c
(1.87 KB)
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k_expl.h
(14.87 KB)
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k_sinl.c
(1.89 KB)
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k_tanl.c
(3.61 KB)
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s_erfl.c
(18.61 KB)
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s_exp2l.c
(12.46 KB)
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s_expl.c
(10.1 KB)
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s_logl.c
(29.6 KB)
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s_nanl.c
(1.68 KB)
Editing: k_cosl.c
/* From: @(#)k_cos.c 1.3 95/01/18 */ /* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * Copyright (c) 2008 Steven G. Kargl, David Schultz, Bruce D. Evans. * * Developed at SunSoft, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); /* * ld128 version of k_cos.c. See ../src/k_cos.c for most comments. */ #include "math_private.h" /* * Domain [-0.7854, 0.7854], range ~[-1.80e-37, 1.79e-37]: * |cos(x) - c(x))| < 2**-122.0 * * 113-bit precision requires more care than 64-bit precision, since * simple methods give a minimax polynomial with coefficient for x^2 * that is 1 ulp below 0.5, but we want it to be precisely 0.5. See * ../ld80/k_cosl.c for more details. */ static const double one = 1.0; static const long double C1 = 0.04166666666666666666666666666666658424671L, C2 = -0.001388888888888888888888888888863490893732L, C3 = 0.00002480158730158730158730158600795304914210L, C4 = -0.2755731922398589065255474947078934284324e-6L, C5 = 0.2087675698786809897659225313136400793948e-8L, C6 = -0.1147074559772972315817149986812031204775e-10L, C7 = 0.4779477332386808976875457937252120293400e-13L; static const double C8 = -0.1561920696721507929516718307820958119868e-15, C9 = 0.4110317413744594971475941557607804508039e-18, C10 = -0.8896592467191938803288521958313920156409e-21, C11 = 0.1601061435794535138244346256065192782581e-23; long double __kernel_cosl(long double x, long double y) { long double hz,z,r,w; z = x*x; r = z*(C1+z*(C2+z*(C3+z*(C4+z*(C5+z*(C6+z*(C7+ z*(C8+z*(C9+z*(C10+z*C11)))))))))); hz = 0.5*z; w = one-hz; return w + (((one-w)-hz) + (z*r-x*y)); }
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