Searched defs:pi (Results 1 - 16 of 16) sorted by relevance

/bionic/libm/upstream-freebsd/lib/msun/src/
H A De_atan2f.c28 pi = 3.1415927410e+00; /* 0x40490fdb */ variable
53 case 2: return pi+tiny;/* atan(+0,-anything) = pi */
54 case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */
73 case 2: return pi+tiny ; /* atan(+...,-INF) */
74 case 3: return -pi-tiny ; /* atan(-...,-INF) */
92 case 2: return pi-(z-pi_lo);/* atan(+,-) */
94 return (z-pi_lo)-pi;/* atan(-,-) */
H A De_acosl.c37 #define pi ((long double)pi1 + pi2) macro
40 pi = 3.14159265358979323846264338327950280e+00L; variable
55 else return pi+2.0*pio2_lo; /* acos(-1)= pi */
60 if(expt<ACOS_CONST) return pio2_hi+pio2_lo;/*x tiny: acosl=pi/2*/
73 return pi - 2.0*(s+w);
H A De_atan2.c23 * ARG (x+iy) = pi - arctan[y/(-x)] ... if x < 0,
30 * ATAN2(+-0, -(anything but NaN)) is +-pi ;
31 * ATAN2(+-(anything but 0 and NaN), 0) is +-pi/2;
33 * ATAN2(+-(anything but INF and NaN), -INF) is +-pi;
34 * ATAN2(+-INF,+INF ) is +-pi/4 ;
35 * ATAN2(+-INF,-INF ) is +-3pi/4;
36 * ATAN2(+-INF, (anything but,0,NaN, and INF)) is +-pi/2;
56 pi = 3.1415926535897931160E+00; /* 0x400921FB, 0x54442D18 */ variable
82 case 2: return pi+tiny;/* atan(+0,-anything) = pi */
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H A De_atan2l.c40 #define pi ((long double)pi1 + pi2) macro
43 pi = 3.14159265358979323846264338327950280e+00L; variable
75 case 2: return pi+tiny;/* atan(+0,-anything) = pi */
76 case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */
96 case 2: return pi+tiny ; /* atan(+...,-INF) */
97 case 3: return -pi-tiny ; /* atan(-...,-INF) */
116 case 2: return pi-(z-pi_lo);/* atan(+,-) */
118 return (z-pi_lo)-pi;/* ata
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H A De_acos.c19 * acos(x) = pi/2 - asin(x)
20 * acos(-x) = pi/2 + asin(x)
22 * acos(x) = pi/2 - (x + x*x^2*R(x^2)) (see asin.c)
24 * acos(x) = pi/2 - (pi/2 - 2asin(sqrt((1-x)/2)))
31 * acos(x) = pi - 2asin(sqrt((1-|x|)/2))
32 * = pi - 0.5*(s+s*z*R(z)), where z=(1-|x|)/2,s=sqrt(z)
48 pi = 3.14159265358979311600e+00, /* 0x400921FB, 0x54442D18 */ variable
76 else return pi+2.0*pio2_lo; /* acos(-1)= pi */
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H A De_acosf.c24 pi = 3.1415925026e+00, /* 0x40490fda */ variable
44 else return pi+(float)2.0*pio2_lo; /* acos(-1)= pi */
62 return pi - (float)2.0*(s+w);
H A De_lgammaf_r.c29 pi = 3.1415927410e+00, /* 0x40490fdb */ variable
109 case 0: y = __kernel_sindf(pi*y); break;
111 case 2: y = __kernel_cosdf(pi*((float)0.5-y)); break;
113 case 4: y = __kernel_sindf(pi*(one-y)); break;
115 case 6: y = -__kernel_cosdf(pi*(y-(float)1.5)); break;
116 default: y = __kernel_sindf(pi*(y-(float)2.0)); break;
151 nadj = __ieee754_logf(pi/fabsf(t*x));
H A De_lgamma_r.c52 * lgamma(x)~(x-0.5)log(x)-x+0.5*log(2pi)+1/(12x)-1/(360x**3)+....
54 * lgamma(x)~(x-0.5)*(log(x)-1)-.5*(log(2pi)-1) + ...)
64 * -x*G(-x)*G(x) = pi/sin(pi*x),
66 * G(x) = pi/(sin(pi*x)*(-x)*G(-x))
67 * since G(-x) is positive, sign(G(x)) = sign(sin(pi*x)) for x<0
68 * Hence, for x<0, signgam = sign(sin(pi*x)) and
70 * = log(pi/(|x*sin(pi*
94 pi = 3.14159265358979311600e+00, /* 0x400921FB, 0x54442D18 */ variable
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/bionic/tests/
H A Dsystem_properties_test2.cpp89 const prop_info* pi = __system_property_find(property_name.c_str()); local
90 ASSERT_TRUE(pi != nullptr);
93 __system_property_read_callback(pi,
100 pi = __system_property_find(long_property_name.c_str());
101 ASSERT_TRUE(pi != nullptr);
104 __system_property_read_callback(pi,
112 pi = __system_property_find(property_name.c_str());
113 ASSERT_TRUE(pi != nullptr);
116 ASSERT_EQ(8, __system_property_read(pi, &legacy_name[0], propvalue));
121 ASSERT_TRUE(pi !
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H A Dsystem_properties_test.cpp58 static void foreach_test_callback(const prop_info *pi, void* cookie) { argument
61 ASSERT_TRUE(pi != nullptr);
65 static void hierarchical_test_callback(const prop_info *pi, void *cookie) { argument
71 __system_property_read(pi, name, value);
137 const prop_info* pi = system_properties.Find("property"); local
138 ASSERT_TRUE(pi != nullptr);
139 system_properties.Update(const_cast<prop_info*>(pi), "value4", 6);
141 pi = system_properties.Find("other_property");
142 ASSERT_TRUE(pi != nullptr);
143 system_properties.Update(const_cast<prop_info*>(pi), "newvalue
341 const prop_info* pi = system_properties.Find("property"); local
359 prop_info* pi = const_cast<prop_info*>(system_properties.Find("property")); local
389 prop_info* pi = const_cast<prop_info*>(system_properties.Find("property")); local
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/bionic/libc/system_properties/
H A Dcontexts_serialized.cpp147 void ContextsSerialized::ForEach(void (*propfn)(const prop_info* pi, void* cookie), void* cookie) { argument
H A Dcontexts_split.cpp347 void ContextsSplit::ForEach(void (*propfn)(const prop_info* pi, void* cookie), void* cookie) { argument
H A Dsystem_properties.cpp143 int SystemProperties::Read(const prop_info* pi, char* name, char* value) { argument
145 uint32_t serial = Serial(pi); // acquire semantics
147 memcpy(value, pi->value, len + 1);
151 // updates to pi, and the data being accessed is not atomic.
157 if (serial == load_const_atomic(&(pi->serial), memory_order_relaxed)) {
159 size_t namelen = strlcpy(name, pi->name, PROP_NAME_MAX);
165 pi->name, PROP_NAME_MAX - 1, name);
168 if (is_read_only(pi->name) && pi->is_long()) {
174 pi
181 ReadCallback(const prop_info* pi, void (*callback)(void* cookie, const char* name, const char* value, uint32_t serial), void* cookie) argument
215 const prop_info* pi = Find(name); local
225 Update(prop_info* pi, const char* value, unsigned int len) argument
298 Serial(const prop_info* pi) argument
313 Wait(const prop_info* pi, uint32_t old_serial, uint32_t* new_serial_ptr, const timespec* relative_timeout) argument
353 fn(const prop_info* pi, void* ptr) argument
362 Foreach(void (*propfn)(const prop_info* pi, void* cookie), void* cookie) argument
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H A Dprop_area.cpp334 void (*propfn)(const prop_info* pi, void* cookie), void* cookie) {
371 bool prop_area::foreach (void (*propfn)(const prop_info* pi, void* cookie), void* cookie) { argument
333 foreach_property(prop_bt* const trie, void (*propfn)(const prop_info* pi, void* cookie), void* cookie) argument
/bionic/libc/bionic/
H A Dsystem_property_api.cpp75 int __system_property_read(const prop_info* pi, char* name, char* value) { argument
76 return system_properties.Read(pi, name, value);
80 void __system_property_read_callback(const prop_info* pi, argument
84 return system_properties.ReadCallback(pi, callback, cookie);
93 int __system_property_update(prop_info* pi, const char* value, unsigned int len) { argument
94 return system_properties.Update(pi, value, len);
104 uint32_t __system_property_serial(const prop_info* pi) { argument
105 return system_properties.Serial(pi);
114 bool __system_property_wait(const prop_info* pi, uint32_t old_serial, uint32_t* new_serial_ptr, argument
116 return system_properties.Wait(pi, old_seria
125 __system_property_foreach(void (*propfn)(const prop_info* pi, void* cookie), void* cookie) argument
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/bionic/libm/upstream-freebsd/lib/msun/ld128/
H A De_lgammal_r.c34 pi = 3.14159265358979323846264338327950288e+00L; variable
212 case 0: y = __kernel_sinl(pi*y,zero,0); break;
214 case 2: y = __kernel_cosl(pi*(0.5-y),zero); break;
216 case 4: y = __kernel_sinl(pi*(one-y),zero,0); break;
218 case 6: y = -__kernel_cosl(pi*(y-1.5),zero); break;
219 default: y = __kernel_sinl(pi*(y-2.0),zero,0); break;
254 nadj = logl(pi/fabsl(t*x));

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