diff options
Diffstat (limited to 'libgo/go/math/erf.go')
| -rw-r--r-- | libgo/go/math/erf.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libgo/go/math/erf.go b/libgo/go/math/erf.go index 87c70c2512f..c6f32bdbe28 100644 --- a/libgo/go/math/erf.go +++ b/libgo/go/math/erf.go @@ -248,7 +248,7 @@ func Erf(x float64) float64 { R = rb0 + s*(rb1+s*(rb2+s*(rb3+s*(rb4+s*(rb5+s*rb6))))) S = 1 + s*(sb1+s*(sb2+s*(sb3+s*(sb4+s*(sb5+s*(sb6+s*sb7)))))) } - z := Float64frombits(Float64bits(x) & 0xffffffff00000000) // pseudo-single (20-bit) precison x + z := Float64frombits(Float64bits(x) & 0xffffffff00000000) // pseudo-single (20-bit) precision x r := Exp(-z*z-0.5625) * Exp((z-x)*(z+x)+R/S) if sign { return r/x - 1 @@ -321,7 +321,7 @@ func Erfc(x float64) float64 { R = rb0 + s*(rb1+s*(rb2+s*(rb3+s*(rb4+s*(rb5+s*rb6))))) S = 1 + s*(sb1+s*(sb2+s*(sb3+s*(sb4+s*(sb5+s*(sb6+s*sb7)))))) } - z := Float64frombits(Float64bits(x) & 0xffffffff00000000) // pseudo-single (20-bit) precison x + z := Float64frombits(Float64bits(x) & 0xffffffff00000000) // pseudo-single (20-bit) precision x r := Exp(-z*z-0.5625) * Exp((z-x)*(z+x)+R/S) if sign { return 2 - r/x |