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; |
} |