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author | Ian Lance Taylor <iant@golang.org> | 2017-09-14 17:11:35 +0000 |
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committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2017-09-14 17:11:35 +0000 |
commit | bc998d034f45d1828a8663b2eed928faf22a7d01 (patch) | |
tree | 8d262a22ca7318f4bcd64269fe8fe9e45bcf8d0f /libgo/go/math/erf.go | |
parent | a41a6142df74219f596e612d3a7775f68ca6e96f (diff) | |
download | gcc-bc998d034f45d1828a8663b2eed928faf22a7d01.zip gcc-bc998d034f45d1828a8663b2eed928faf22a7d01.tar.gz gcc-bc998d034f45d1828a8663b2eed928faf22a7d01.tar.bz2 |
libgo: update to go1.9
Reviewed-on: https://go-review.googlesource.com/63753
From-SVN: r252767
Diffstat (limited to 'libgo/go/math/erf.go')
-rw-r--r-- | libgo/go/math/erf.go | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libgo/go/math/erf.go b/libgo/go/math/erf.go index 8ddd5f9..e2a0422 100644 --- a/libgo/go/math/erf.go +++ b/libgo/go/math/erf.go @@ -186,6 +186,13 @@ const ( // Erf(-Inf) = -1 // Erf(NaN) = NaN func Erf(x float64) float64 { + return libc_erf(x) +} + +//extern erf +func libc_erf(float64) float64 + +func erf(x float64) float64 { const ( VeryTiny = 2.848094538889218e-306 // 0x0080000000000000 Small = 1.0 / (1 << 28) // 2**-28 @@ -263,6 +270,13 @@ func Erf(x float64) float64 { // Erfc(-Inf) = 2 // Erfc(NaN) = NaN func Erfc(x float64) float64 { + return libc_erfc(x) +} + +//extern erfc +func libc_erfc(float64) float64 + +func erfc(x float64) float64 { const Tiny = 1.0 / (1 << 56) // 2**-56 // special cases switch { |