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03c3bb5f84
go/src/math
History
Mark Pulford 03c3bb5f84 math: Add Round function (ties away from zero) 
This function avoids subtle faults found in many ad-hoc implementations,
and is simple enough to be inlined by the compiler.

Fixes #20100

Change-Id: Ib320254e9b1f1f798c6ef906b116f63bc29e8d08
Reviewed-on: https://go-review.googlesource.com/43652
Reviewed-by: Robert Griesemer <gri@golang.org>
2017-09-02 21:00:08 +00:00
..
big math/big: fix internal comment 2017-08-31 13:05:11 +00:00
bits math/bits: examples generator 2017-08-11 11:05:01 +00:00
cmplx math/cmplx: prevent infinite loop in tanSeries 2016-10-25 18:32:22 +00:00
rand math/rand: use t.Helper in tests 2017-08-08 23:49:31 +00:00
abs.go cmd/compile,math: improve code generation for math.Abs 2017-08-25 19:15:01 +00:00
acos_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
acosh_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
acosh.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
all_test.go math: Add Round function (ties away from zero) 2017-09-02 21:00:08 +00:00
arith_s390x_test.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
arith_s390x.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
asin_386.s
asin_amd64.s
asin_amd64p32.s
asin_arm.s
asin_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
asin.go
asinh_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
asinh_stub.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
asinh.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
atan2_386.s
atan2_amd64.s
atan2_amd64p32.s
atan2_arm.s
atan2_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
atan2.go
atan_386.s
atan_amd64.s
atan_amd64p32.s
atan_arm.s
atan_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
atan.go
atanh_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
atanh.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
bits.go
cbrt_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
cbrt_stub.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
cbrt.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
const.go math: change oeis.org urls to https 2017-08-08 08:56:40 +00:00
copysign.go
cosh_s390x.s cmd/asm, cmd/internal/obj/s390x, math: add LGDR and LDGR instructions 2017-04-17 16:33:51 +00:00
dim_386.s
dim_amd64.s
dim_amd64p32.s
dim_arm64.s math: add some assembly implementations on ARM64 2016-09-27 23:52:12 +00:00
dim_arm.s
dim_s390x.s
dim.go
erf_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
erf_stub.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
erf.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
erfc_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
erfinv.go math: implement the erfcinv function 2017-08-22 13:13:20 +00:00
example_test.go math: add examples for trig functions 2017-08-25 20:26:19 +00:00
exp2_386.s
exp2_amd64.s
exp2_amd64p32.s
exp2_arm.s
exp_386.s math: use portable Exp instead of 387 instructions on 386 2016-10-05 03:53:11 +00:00
exp_amd64.s math: check overflow in amd64 Exp implementation 2017-02-10 13:40:08 +00:00
exp_amd64p32.s
exp_arm.s
exp_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
exp.go math: fix inaccurate result of Exp(1) 2017-08-17 09:01:27 +00:00
expm1_386.s
expm1_amd64.s
expm1_amd64p32.s
expm1_arm.s
expm1_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
expm1.go all: unindent some big chunks of code 2017-08-18 06:59:48 +00:00
export_s390x_test.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
export_test.go
floor_386.s
floor_amd64.s internal/cpu: new package to detect cpu features 2017-05-10 17:02:21 +00:00
floor_amd64p32.s
floor_arm64.s math: add some assembly implementations on ARM64 2016-09-27 23:52:12 +00:00
floor_arm.s
floor_asm.go internal/cpu: new package to detect cpu features 2017-05-10 17:02:21 +00:00
floor_ppc64x.s math, cmd/internal/obj/ppc64: improve floor, ceil, trunc with asm 2016-09-23 13:03:08 +00:00
floor_s390x.s math: optimize Ceil, Floor and Trunc on s390x 2016-08-26 17:27:13 +00:00
floor.go math: Add Round function (ties away from zero) 2017-09-02 21:00:08 +00:00
frexp_386.s
frexp_amd64.s
frexp_amd64p32.s
frexp_arm.s
frexp.go
gamma.go math: speed up Gamma(+Inf) 2016-10-18 22:12:03 +00:00
hypot_386.s
hypot_amd64.s
hypot_amd64p32.s
hypot_arm.s
hypot.go
j0.go math: speed up bessel functions on AMD64 2016-08-31 14:45:29 +00:00
j1.go math: speed up bessel functions on AMD64 2016-08-31 14:45:29 +00:00
jn.go math: fix typos in Bessel function docs 2017-02-16 22:41:34 +00:00
ldexp_386.s
ldexp_amd64.s
ldexp_amd64p32.s
ldexp_arm.s
ldexp.go
lgamma.go
log1p_386.s
log1p_amd64.s
log1p_amd64p32.s
log1p_arm.s
log1p_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
log1p.go math,math/cmplx: fix linter issues 2016-10-24 23:25:46 +00:00
log10_386.s
log10_amd64.s
log10_amd64p32.s
log10_arm.s
log10_s390x.s cmd/asm, cmd/internal/obj/s390x, math: add LGDR and LDGR instructions 2017-04-17 16:33:51 +00:00
log10.go
log_386.s
log_amd64.s math: speed up Log on amd64 2017-03-29 20:36:29 +00:00
log_amd64p32.s
log_arm.s
log_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
log.go
logb.go
mod_386.s
mod_amd64.s
mod_amd64p32.s
mod_arm.s
mod.go
modf_386.s all: fix assembly vet issues 2016-08-25 18:52:31 +00:00
modf_amd64.s
modf_amd64p32.s
modf_arm64.s all: minor vet fixes 2016-10-24 17:27:37 +00:00
modf_arm.s
modf.go
nextafter.go
pow10.go math: speed up and improve accuracy of Pow10 2017-02-22 19:17:04 +00:00
pow_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
pow_stub.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
pow.go math: eliminate overflow in Pow(x,y) for large y 2017-08-16 09:10:10 +00:00
remainder_386.s
remainder_amd64.s
remainder_amd64p32.s
remainder_arm.s
remainder.go
signbit.go
sin_386.s
sin_amd64.s
sin_amd64p32.s
sin_arm.s
sin_s390x.s cmd/asm, cmd/internal/obj/s390x, math: add LGDR and LDGR instructions 2017-04-17 16:33:51 +00:00
sin.go math,math/cmplx: fix linter issues 2016-10-24 23:25:46 +00:00
sincos_386.go math: remove asm version of sincos everywhere, except 386 2017-04-24 15:09:18 +00:00
sincos_386.s
sincos.go math: remove asm version of sincos everywhere, except 386 2017-04-24 15:09:18 +00:00
sinh_s390x.s cmd/asm, cmd/internal/obj/s390x, math: add LGDR and LDGR instructions 2017-04-17 16:33:51 +00:00
sinh_stub.s math: use SIMD to accelerate some scalar math functions on s390x 2016-11-11 20:20:23 +00:00
sinh.go math: use SIMD to accelerate some scalar math functions on s390x 2016-11-11 20:20:23 +00:00
sqrt_386.s
sqrt_amd64.s math: make sqrt smaller on AMD64 2016-09-29 15:56:52 +00:00
sqrt_amd64p32.s
sqrt_arm64.s
sqrt_arm.s
sqrt_mipsx.s math, math/big: add support for GOARCH=mips{,le} 2016-11-03 22:55:06 +00:00
sqrt_ppc64x.s all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
sqrt_s390x.s
sqrt.go
stubs_arm64.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
stubs_mips64x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
stubs_mipsx.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
stubs_ppc64x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
stubs_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
tan_386.s
tan_amd64.s
tan_amd64p32.s
tan_arm.s
tan_s390x.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
tan.go math,math/cmplx: fix linter issues 2016-10-24 23:25:46 +00:00
tanh_s390x.s cmd/asm, cmd/internal/obj/s390x, math: add LGDR and LDGR instructions 2017-04-17 16:33:51 +00:00
tanh.go math: use SIMD to accelerate some scalar math functions on s390x 2016-11-11 20:20:23 +00:00
unsafe.go