| Index: fusl/src/math/asinhf.c
|
| diff --git a/fusl/src/math/asinhf.c b/fusl/src/math/asinhf.c
|
| index fc9f0911bf67fa1515234eeb4137142fadafab6e..5d79d1c45d69212d2a605f1fc0fbfd168730aed1 100644
|
| --- a/fusl/src/math/asinhf.c
|
| +++ b/fusl/src/math/asinhf.c
|
| @@ -1,28 +1,30 @@
|
| #include "libm.h"
|
|
|
| /* asinh(x) = sign(x)*log(|x|+sqrt(x*x+1)) ~= x - x^3/6 + o(x^5) */
|
| -float asinhf(float x)
|
| -{
|
| - union {float f; uint32_t i;} u = {.f = x};
|
| - uint32_t i = u.i & 0x7fffffff;
|
| - unsigned s = u.i >> 31;
|
| +float asinhf(float x) {
|
| + union {
|
| + float f;
|
| + uint32_t i;
|
| + } u = {.f = x};
|
| + uint32_t i = u.i & 0x7fffffff;
|
| + unsigned s = u.i >> 31;
|
|
|
| - /* |x| */
|
| - u.i = i;
|
| - x = u.f;
|
| + /* |x| */
|
| + u.i = i;
|
| + x = u.f;
|
|
|
| - if (i >= 0x3f800000 + (12<<23)) {
|
| - /* |x| >= 0x1p12 or inf or nan */
|
| - x = logf(x) + 0.693147180559945309417232121458176568f;
|
| - } else if (i >= 0x3f800000 + (1<<23)) {
|
| - /* |x| >= 2 */
|
| - x = logf(2*x + 1/(sqrtf(x*x+1)+x));
|
| - } else if (i >= 0x3f800000 - (12<<23)) {
|
| - /* |x| >= 0x1p-12, up to 1.6ulp error in [0.125,0.5] */
|
| - x = log1pf(x + x*x/(sqrtf(x*x+1)+1));
|
| - } else {
|
| - /* |x| < 0x1p-12, raise inexact if x!=0 */
|
| - FORCE_EVAL(x + 0x1p120f);
|
| - }
|
| - return s ? -x : x;
|
| + if (i >= 0x3f800000 + (12 << 23)) {
|
| + /* |x| >= 0x1p12 or inf or nan */
|
| + x = logf(x) + 0.693147180559945309417232121458176568f;
|
| + } else if (i >= 0x3f800000 + (1 << 23)) {
|
| + /* |x| >= 2 */
|
| + x = logf(2 * x + 1 / (sqrtf(x * x + 1) + x));
|
| + } else if (i >= 0x3f800000 - (12 << 23)) {
|
| + /* |x| >= 0x1p-12, up to 1.6ulp error in [0.125,0.5] */
|
| + x = log1pf(x + x * x / (sqrtf(x * x + 1) + 1));
|
| + } else {
|
| + /* |x| < 0x1p-12, raise inexact if x!=0 */
|
| + FORCE_EVAL(x + 0x1p120f);
|
| + }
|
| + return s ? -x : x;
|
| }
|
|
|