diff options
Diffstat (limited to 'libgo/go/math/exp.go')
| -rw-r--r-- | libgo/go/math/exp.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libgo/go/math/exp.go b/libgo/go/math/exp.go index cbc955d..f3d3cb6 100644 --- a/libgo/go/math/exp.go +++ b/libgo/go/math/exp.go @@ -50,7 +50,7 @@ func Exp(x float64) float64 { // the interval [0,0.34658]: // Write // R(r**2) = r*(exp(r)+1)/(exp(r)-1) = 2 + r*r/6 - r**4/360 + ... -// We use a special Remes algorithm on [0,0.34658] to generate +// We use a special Remez algorithm on [0,0.34658] to generate // a polynomial of degree 5 to approximate R. The maximum error // of this polynomial approximation is bounded by 2**-59. In // other words, @@ -183,7 +183,7 @@ func exp2(x float64) float64 { // exp1 returns e**r × 2**k where r = hi - lo and |r| ≤ ln(2)/2. func expmulti(hi, lo float64, k int) float64 { const ( - P1 = 1.66666666666666019037e-01 /* 0x3FC55555; 0x5555553E */ + P1 = 1.66666666666666657415e-01 /* 0x3FC55555; 0x55555555 */ P2 = -2.77777777770155933842e-03 /* 0xBF66C16C; 0x16BEBD93 */ P3 = 6.61375632143793436117e-05 /* 0x3F11566A; 0xAF25DE2C */ P4 = -1.65339022054652515390e-06 /* 0xBEBBBD41; 0xC5D26BF1 */ |