diff options
Diffstat (limited to 'src/pkg/math/log.go')
| -rw-r--r-- | src/pkg/math/log.go | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/pkg/math/log.go b/src/pkg/math/log.go index bf8b49a7a..e92650131 100644 --- a/src/pkg/math/log.go +++ b/src/pkg/math/log.go @@ -103,18 +103,18 @@ func Log(x float64) float64 { f1 *= 2; ki--; } - f := f1-1; + f := f1 - 1; k := float64(ki); // compute - s := f/(2+f); - s2 := s*s; - s4 := s2*s2; - t1 := s2*(L1 + s4*(L3 + s4*(L5 + s4*L7))); - t2 := s4*(L2 + s4*(L4 + s4*L6)); - R := t1+t2; - hfsq := 0.5*f*f; - return k*Ln2Hi - ((hfsq-(s*(hfsq+R) + k*Ln2Lo))-f); + s := f / (2 + f); + s2 := s * s; + s4 := s2 * s2; + t1 := s2 * (L1 + s4*(L3+s4*(L5+s4*L7))); + t2 := s4 * (L2 + s4*(L4+s4*L6)); + R := t1 + t2; + hfsq := 0.5 * f * f; + return k*Ln2Hi - ((hfsq - (s*(hfsq+R) + k*Ln2Lo)) - f); } // Log10 returns the decimal logarithm of x. @@ -123,5 +123,5 @@ func Log10(x float64) float64 { if x <= 0 { return NaN() } - return Log(x)*(1/Ln10); + return Log(x) * (1 / Ln10); } |