math: make function documentation more regular
R=rsc, golang-dev
CC=golang-dev
https://golang.org/cl/5994043
diff --git a/src/pkg/math/acosh.go b/src/pkg/math/acosh.go
index c6c8645..e394008 100644
--- a/src/pkg/math/acosh.go
+++ b/src/pkg/math/acosh.go
@@ -33,7 +33,7 @@
// acosh(NaN) is NaN without signal.
//
-// Acosh(x) calculates the inverse hyperbolic cosine of x.
+// Acosh returns the inverse hyperbolic cosine of x.
//
// Special cases are:
// Acosh(+Inf) = +Inf
diff --git a/src/pkg/math/asinh.go b/src/pkg/math/asinh.go
index 0defbb9..ff2de02 100644
--- a/src/pkg/math/asinh.go
+++ b/src/pkg/math/asinh.go
@@ -30,7 +30,7 @@
// := sign(x)*log1p(|x| + x**2/(1 + sqrt(1+x**2)))
//
-// Asinh(x) calculates the inverse hyperbolic sine of x.
+// Asinh returns the inverse hyperbolic sine of x.
//
// Special cases are:
// Asinh(±0) = ±0
diff --git a/src/pkg/math/atanh.go b/src/pkg/math/atanh.go
index 5b5d468..113d5c1 100644
--- a/src/pkg/math/atanh.go
+++ b/src/pkg/math/atanh.go
@@ -36,7 +36,7 @@
// atanh(+-1) is +-INF with signal.
//
-// Atanh(x) calculates the inverse hyperbolic tangent of x.
+// Atanh returns the inverse hyperbolic tangent of x.
//
// Special cases are:
// Atanh(1) = +Inf
diff --git a/src/pkg/math/cbrt.go b/src/pkg/math/cbrt.go
index 8c43f0a..272e309 100644
--- a/src/pkg/math/cbrt.go
+++ b/src/pkg/math/cbrt.go
@@ -12,7 +12,7 @@
(http://www.jstor.org/stable/2006387?seq=9, accessed 11-Feb-2010)
*/
-// Cbrt returns the cube root of its argument.
+// Cbrt returns the cube root of x.
//
// Special cases are:
// Cbrt(±0) = ±0
diff --git a/src/pkg/math/copysign.go b/src/pkg/math/copysign.go
index ee65456..719c64b 100644
--- a/src/pkg/math/copysign.go
+++ b/src/pkg/math/copysign.go
@@ -4,7 +4,7 @@
package math
-// Copysign(x, y) returns a value with the magnitude
+// Copysign returns a value with the magnitude
// of x and the sign of y.
func Copysign(x, y float64) float64 {
const sign = 1 << 63
diff --git a/src/pkg/math/erf.go b/src/pkg/math/erf.go
index c6f32bd..4cd80f8 100644
--- a/src/pkg/math/erf.go
+++ b/src/pkg/math/erf.go
@@ -179,7 +179,7 @@
sb7 = -2.24409524465858183362e+01 // 0xC03670E242712D62
)
-// Erf(x) returns the error function of x.
+// Erf returns the error function of x.
//
// Special cases are:
// Erf(+Inf) = 1
@@ -256,7 +256,7 @@
return 1 - r/x
}
-// Erfc(x) returns the complementary error function of x.
+// Erfc returns the complementary error function of x.
//
// Special cases are:
// Erfc(+Inf) = 0
diff --git a/src/pkg/math/gamma.go b/src/pkg/math/gamma.go
index 8b053cb..164f54f 100644
--- a/src/pkg/math/gamma.go
+++ b/src/pkg/math/gamma.go
@@ -110,7 +110,7 @@
return y
}
-// Gamma(x) returns the Gamma function of x.
+// Gamma returns the Gamma function of x.
//
// Special cases are:
// Gamma(+Inf) = +Inf
diff --git a/src/pkg/math/hypot.go b/src/pkg/math/hypot.go
index df4d3eb..3846e6d 100644
--- a/src/pkg/math/hypot.go
+++ b/src/pkg/math/hypot.go
@@ -8,7 +8,7 @@
Hypot -- sqrt(p*p + q*q), but overflows only if the result does.
*/
-// Hypot computes Sqrt(p*p + q*q), taking care to avoid
+// Hypot returns Sqrt(p*p + q*q), taking care to avoid
// unnecessary overflow and underflow.
//
// Special cases are:
diff --git a/src/pkg/math/logb.go b/src/pkg/math/logb.go
index d32f9f1..f2769d4 100644
--- a/src/pkg/math/logb.go
+++ b/src/pkg/math/logb.go
@@ -4,7 +4,7 @@
package math
-// Logb(x) returns the binary exponent of x.
+// Logb returns the binary exponent of x.
//
// Special cases are:
// Logb(±Inf) = +Inf
@@ -23,7 +23,7 @@
return float64(ilogb(x))
}
-// Ilogb(x) returns the binary exponent of x as an integer.
+// Ilogb returns the binary exponent of x as an integer.
//
// Special cases are:
// Ilogb(±Inf) = MaxInt32
diff --git a/src/pkg/math/sincos.go b/src/pkg/math/sincos.go
index 7300429..7180303 100644
--- a/src/pkg/math/sincos.go
+++ b/src/pkg/math/sincos.go
@@ -6,7 +6,7 @@
// Coefficients _sin[] and _cos[] are found in pkg/math/sin.go.
-// Sincos(x) returns Sin(x), Cos(x).
+// Sincos returns Sin(x), Cos(x).
//
// Special cases are:
// Sincos(±0) = ±0, 1