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-rw-r--r--src/pkg/math/log1p.go3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/pkg/math/log1p.go b/src/pkg/math/log1p.go
index c25d73b66..e8914a1d0 100644
--- a/src/pkg/math/log1p.go
+++ b/src/pkg/math/log1p.go
@@ -44,7 +44,7 @@ package math
// 2 4 6 8 10 12 14
// R(z) ~ Lp1*s +Lp2*s +Lp3*s +Lp4*s +Lp5*s +Lp6*s +Lp7*s
// (the values of Lp1 to Lp7 are listed in the program)
-// a-0.2929nd
+// and
// | 2 14 | -58.45
// | Lp1*s +...+Lp7*s - R(z) | <= 2
// | |
@@ -88,6 +88,7 @@ package math
//
// Special cases are:
// Log1p(+Inf) = +Inf
+// Log1p(±0) = ±0
// Log1p(-1) = -Inf
// Log1p(x < -1) = NaN
// Log1p(NaN) = NaN