| /src/lib/libm/src/ |
| w_acos.c | 34 __weak_alias(acos, _acos)
37 acos(double x) /* wrapper acos */
46 return __kernel_standard(x,x,1); /* acos(|x|>1) */
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| namespace.h | 3 #define acos _acos macro
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| /src/tests/lib/libm/ |
| t_acos.c | 37 * acos(3) and acosf(3)
40 ATF_LIBM_TEST(acos_is_nan, "Test acos/acosf(x) == NaN, x = NaN, +/-Inf, ![-1..1]")
54 T_LIBM_CHECK_NAN(i, acos, x[i]);
62 ATF_LIBM_TEST(acos_inrange, "Test acos/acosf(x) for some valid values")
80 * Note that acos(x) might be calculated as atan2(sqrt(1-x*x),x).
81 * This means that acos(-1) is atan2(+0,-1), if the sign is wrong
86 T_LIBM_CHECK(i, acos, values[i].x, values[i].y, 1.0e-15);
93 T_LIBM_CHECK_PLUS_ZERO(0, acos, 1.0);
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| /src/lib/libm/noieee_src/ |
| n_asincos.c | 95 __weak_alias(acos, _acos)
121 /* ACOS(X)
136 * acos(x) = 2*atan2( / -------- , 1 ) .
146 * acos(x) returns (PI/pi) * (the exact arc cosine of x) nearly rounded;
162 * 2.07 ulps. (comparing against (PI/pi)*(exact acos(x)));
166 * acos(x) returns the exact acos(x) with error below about 2 ulps.
174 acos(double x) function in typeref:typename:double
190 return (float)acos(x);
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| /src/tests/lib/lua/libm/ |
| h_lualibm.c | 25 TEST(acos(cos(M_PI_2)));
|
| lualibm.lua | 31 test("acos(cos(M_PI_2))", lm.acos(lm.cos(lm.M_PI_2)))
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| /src/include/ |
| tgmath.h | 131 #define acos(a) __TG_COMPLEX((a), acos) macro
|
| math.h | 238 double acos(double);
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| /src/lib/libm/complex/ |
| catrig.c | 434 rx = acos(B);
436 rx = acos(-B);
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| /src/lib/lua/libm/ |
| libm.c | 107 DFUNC_DBL(acos)
243 { "acos", libm_acos },
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| /src/usr.bin/xlint/llib/ |
| llib-lstdc | 96 double (acos)(double x);
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| llib-lposix | 69 double (acos)(double x);
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| /src/lib/libm/ |
| Makefile | 446 MAN+= acos.3 acosh.3 asin.3 asinh.3 atan.3 atan2.3 atanh.3 \
469 MLINKS+=acos.3 acosf.3
|
