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math: s/MinFloat/SmallestNonzeroFloat/

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R=r, gri
CC=golang-dev
https://golang.org/cl/3547042
This commit is contained in:
Russ Cox 2010-12-10 11:39:09 -08:00
parent e454af4d64
commit 9282a768cf
2 changed files with 7 additions and 7 deletions
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4
src/pkg/math/all_test.go
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@ -2263,9 +2263,9 @@ type floatTest struct {
var floatTests = []floatTest{
{float64(MaxFloat64), "MaxFloat64", "1.7976931348623157e+308"},
{float64(MinFloat64), "MinFloat64", "5e-324"},
{float64(SmallestNonzeroFloat64), "SmallestNonzeroFloat64", "5e-324"},
{float32(MaxFloat32), "MaxFloat32", "3.4028235e+38"},
{float32(MinFloat32), "MinFloat32", "1e-45"},
{float32(SmallestNonzeroFloat32), "SmallestNonzeroFloat32", "1e-45"},
}
func TestFloatMinMax(t *testing.T) {

10
src/pkg/math/const.go
View File

@ -25,13 +25,13 @@ const (
// Floating-point limit values.
// Max is the largest finite value representable by the type.
// Min is the smallest nonzero value representable by the type.
// SmallestNonzero is the smallest positive, non-zero value representable by the type.
const (
MaxFloat32 = 3.40282346638528859811704183484516925440e+38 /* 2**127 * (2**24 - 1) / 2**23 */
MinFloat32 = 1.401298464324817070923729583289916131280e-45 /* 1 / 2**(127 - 1 + 23) */
MaxFloat32 = 3.40282346638528859811704183484516925440e+38 /* 2**127 * (2**24 - 1) / 2**23 */
SmallestNonzeroFloat32 = 1.401298464324817070923729583289916131280e-45 /* 1 / 2**(127 - 1 + 23) */
MaxFloat64 = 1.797693134862315708145274237317043567981e+308 /* 2**1023 * (2**53 - 1) / 2**52 */
MinFloat64 = 4.940656458412465441765687928682213723651e-324 /* 1 / 2**(1023 - 1 + 52) */
MaxFloat64 = 1.797693134862315708145274237317043567981e+308 /* 2**1023 * (2**53 - 1) / 2**52 */
SmallestNonzeroFloat64 = 4.940656458412465441765687928682213723651e-324 /* 1 / 2**(1023 - 1 + 52) */
)
// Integer limit values.