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Side by Side Diff: fusl/src/math/cosl.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 cosl(long double x) { 4 long double cosl(long double x) {
5 » return cos(x); 5 return cos(x);
6 } 6 }
7 #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384 7 #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
8 long double cosl(long double x) 8 long double cosl(long double x) {
9 { 9 union ldshape u = {x};
10 » union ldshape u = {x}; 10 unsigned n;
11 » unsigned n; 11 long double y[2], hi, lo;
12 » long double y[2], hi, lo;
13 12
14 » u.i.se &= 0x7fff; 13 u.i.se &= 0x7fff;
15 » if (u.i.se == 0x7fff) 14 if (u.i.se == 0x7fff)
16 » » return x - x; 15 return x - x;
17 » x = u.f; 16 x = u.f;
18 » if (x < M_PI_4) { 17 if (x < M_PI_4) {
19 » » if (u.i.se < 0x3fff - LDBL_MANT_DIG) 18 if (u.i.se < 0x3fff - LDBL_MANT_DIG)
20 » » » /* raise inexact if x!=0 */ 19 /* raise inexact if x!=0 */
21 » » » return 1.0 + x; 20 return 1.0 + x;
22 » » return __cosl(x, 0); 21 return __cosl(x, 0);
23 » } 22 }
24 » n = __rem_pio2l(x, y); 23 n = __rem_pio2l(x, y);
25 » hi = y[0]; 24 hi = y[0];
26 » lo = y[1]; 25 lo = y[1];
27 » switch (n & 3) { 26 switch (n & 3) {
28 » case 0: 27 case 0:
29 » » return __cosl(hi, lo); 28 return __cosl(hi, lo);
30 » case 1: 29 case 1:
31 » » return -__sinl(hi, lo, 1); 30 return -__sinl(hi, lo, 1);
32 » case 2: 31 case 2:
33 » » return -__cosl(hi, lo); 32 return -__cosl(hi, lo);
34 » case 3: 33 case 3:
35 » default: 34 default:
36 » » return __sinl(hi, lo, 1); 35 return __sinl(hi, lo, 1);
37 » } 36 }
38 } 37 }
39 #endif 38 #endif
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