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Unified Diff: fusl/src/math/acosl.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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Index: fusl/src/math/acosl.c
diff --git a/fusl/src/math/acosl.c b/fusl/src/math/acosl.c
index c03bdf0235ccffd08ca26b603531a9defe11070a..cfabb37f343f1261fadabc74a0436a01f6015b84 100644
--- a/fusl/src/math/acosl.c
+++ b/fusl/src/math/acosl.c
@@ -17,9 +17,8 @@
#include "libm.h"
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
-long double acosl(long double x)
-{
- return acos(x);
+long double acosl(long double x) {
+ return acos(x);
}
#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
#include "__invtrigl.h"
@@ -29,39 +28,38 @@ long double acosl(long double x)
#define CLEARBOTTOM(u) (u.i.lo = 0)
#endif
-long double acosl(long double x)
-{
- union ldshape u = {x};
- long double z, s, c, f;
- uint16_t e = u.i.se & 0x7fff;
+long double acosl(long double x) {
+ union ldshape u = {x};
+ long double z, s, c, f;
+ uint16_t e = u.i.se & 0x7fff;
- /* |x| >= 1 or nan */
- if (e >= 0x3fff) {
- if (x == 1)
- return 0;
- if (x == -1)
- return 2*pio2_hi + 0x1p-120f;
- return 0/(x-x);
- }
- /* |x| < 0.5 */
- if (e < 0x3fff - 1) {
- if (e < 0x3fff - LDBL_MANT_DIG - 1)
- return pio2_hi + 0x1p-120f;
- return pio2_hi - (__invtrigl_R(x*x)*x - pio2_lo + x);
- }
- /* x < -0.5 */
- if (u.i.se >> 15) {
- z = (1 + x)*0.5;
- s = sqrtl(z);
- return 2*(pio2_hi - (__invtrigl_R(z)*s - pio2_lo + s));
- }
- /* x > 0.5 */
- z = (1 - x)*0.5;
- s = sqrtl(z);
- u.f = s;
- CLEARBOTTOM(u);
- f = u.f;
- c = (z - f*f)/(s + f);
- return 2*(__invtrigl_R(z)*s + c + f);
+ /* |x| >= 1 or nan */
+ if (e >= 0x3fff) {
+ if (x == 1)
+ return 0;
+ if (x == -1)
+ return 2 * pio2_hi + 0x1p-120f;
+ return 0 / (x - x);
+ }
+ /* |x| < 0.5 */
+ if (e < 0x3fff - 1) {
+ if (e < 0x3fff - LDBL_MANT_DIG - 1)
+ return pio2_hi + 0x1p-120f;
+ return pio2_hi - (__invtrigl_R(x * x) * x - pio2_lo + x);
+ }
+ /* x < -0.5 */
+ if (u.i.se >> 15) {
+ z = (1 + x) * 0.5;
+ s = sqrtl(z);
+ return 2 * (pio2_hi - (__invtrigl_R(z) * s - pio2_lo + s));
+ }
+ /* x > 0.5 */
+ z = (1 - x) * 0.5;
+ s = sqrtl(z);
+ u.f = s;
+ CLEARBOTTOM(u);
+ f = u.f;
+ c = (z - f * f) / (s + f);
+ return 2 * (__invtrigl_R(z) * s + c + f);
}
#endif

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