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Side by Side Diff: fusl/src/math/acoshl.c

Issue 1714623002: [fusl] clang-format fusl (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: headers too Created 4 years, 10 months ago
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1 #include "libm.h" 1 #include "libm.h"
2 2
3 #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024 3 #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
4 long double acoshl(long double x) 4 long double acoshl(long double x) {
5 { 5 return acosh(x);
6 » return acosh(x);
7 } 6 }
8 #elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 7 #elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
9 /* acosh(x) = log(x + sqrt(x*x-1)) */ 8 /* acosh(x) = log(x + sqrt(x*x-1)) */
10 long double acoshl(long double x) 9 long double acoshl(long double x) {
11 { 10 union ldshape u = {x};
12 » union ldshape u = {x}; 11 int e = u.i.se & 0x7fff;
13 » int e = u.i.se & 0x7fff;
14 12
15 » if (e < 0x3fff + 1) 13 if (e < 0x3fff + 1)
16 » » /* |x| < 2, invalid if x < 1 or nan */ 14 /* |x| < 2, invalid if x < 1 or nan */
17 » » return log1pl(x-1 + sqrtl((x-1)*(x-1)+2*(x-1))); 15 return log1pl(x - 1 + sqrtl((x - 1) * (x - 1) + 2 * (x - 1)));
18 » if (e < 0x3fff + 32) 16 if (e < 0x3fff + 32)
19 » » /* |x| < 0x1p32 */ 17 /* |x| < 0x1p32 */
20 » » return logl(2*x - 1/(x+sqrtl(x*x-1))); 18 return logl(2 * x - 1 / (x + sqrtl(x * x - 1)));
21 » return logl(x) + 0.693147180559945309417232121458176568L; 19 return logl(x) + 0.693147180559945309417232121458176568L;
22 } 20 }
23 #elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384 21 #elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
24 // TODO: broken implementation to make things compile 22 // TODO: broken implementation to make things compile
25 long double acoshl(long double x) 23 long double acoshl(long double x) {
26 { 24 return acosh(x);
27 » return acosh(x);
28 } 25 }
29 #endif 26 #endif
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