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author | Szabolcs Nagy <szabolcs.nagy@arm.com> | 2019-08-09 15:39:09 +0100 |
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committer | Szabolcs Nagy <szabolcs.nagy@arm.com> | 2019-10-14 11:58:53 +0100 |
commit | c5cba8528da13fe0d647dbd0f80d0cf21434b224 (patch) | |
tree | fe2dfbc6732ee358a011073e39adf4d36c71a86a /math/test | |
parent | c280e49d7b1d1987e75de0e0e57a63ee7167ad5f (diff) | |
download | arm-optimized-routines-c5cba8528da13fe0d647dbd0f80d0cf21434b224.tar.gz |
Add vector sinf and cosf
The polynomials were produced by searching the coefficient space using
heuristics and ideas from https://arxiv.org/abs/1508.03211
The worst-case error is 1.886 ulp, large inputs (> 2^20) and other
special cases use scalar sinf and cosf.
Diffstat (limited to 'math/test')
-rw-r--r-- | math/test/mathbench.c | 8 | ||||
-rwxr-xr-x | math/test/runulp.sh | 19 | ||||
-rw-r--r-- | math/test/ulp.c | 14 |
3 files changed, 41 insertions, 0 deletions
diff --git a/math/test/mathbench.c b/math/test/mathbench.c index e4d4a8b..7544a7e 100644 --- a/math/test/mathbench.c +++ b/math/test/mathbench.c @@ -216,12 +216,14 @@ F (sinf, -3.1, 3.1) F (sinf, 3.3, 33.3) F (sinf, 100, 1000) F (sinf, 1e6, 1e32) +F (__s_sinf, -3.1, 3.1) F (cosf, 0.1, 0.7) F (cosf, 0.8, 3.1) F (cosf, -3.1, 3.1) F (cosf, 3.3, 33.3) F (cosf, 100, 1000) F (cosf, 1e6, 1e32) +F (__s_cosf, -3.1, 3.1) #if __aarch64__ VD (__v_dummy, 1.0, 2.0) VD (__v_exp, -9.9, 9.9) @@ -229,6 +231,8 @@ VF (__v_dummyf, 1.0, 2.0) VF (__v_expf, -9.9, 9.9) VF (__v_expf_1u, -9.9, 9.9) VF (__v_logf, 0.01, 11.1) +VF (__v_sinf, -3.1, 3.1) +VF (__v_cosf, -3.1, 3.1) #ifdef __vpcs VND (__vn_dummy, 1.0, 2.0) VND (__vn_exp, -9.9, 9.9) @@ -239,6 +243,10 @@ VNF (_ZGVnN4v_expf, -9.9, 9.9) VNF (__vn_expf_1u, -9.9, 9.9) VNF (__vn_logf, 0.01, 11.1) VNF (_ZGVnN4v_logf, 0.01, 11.1) +VNF (__vn_sinf, -3.1, 3.1) +VNF (_ZGVnN4v_sinf, -3.1, 3.1) +VNF (__vn_cosf, -3.1, 3.1) +VNF (_ZGVnN4v_cosf, -3.1, 3.1) #endif #endif {0}, diff --git a/math/test/runulp.sh b/math/test/runulp.sh index 81716fa..efa9269 100755 --- a/math/test/runulp.sh +++ b/math/test/runulp.sh @@ -121,11 +121,20 @@ range_logf=' 0x1p-4 0x1p4 500000 ' +range_sinf=' + 0 0xffff0000 10000 + 0x1p-4 0x1p4 300000 +-0x1p-9 -0x1p9 300000 +' +range_cosf="$range_sinf" + # error limits L_exp=1.9 L_expf=1.49 L_expf_1u=0.4 L_logf=2.9 +L_sinf=1.4 +L_cosf=1.4 # group symbol run echo " @@ -148,6 +157,16 @@ logf __v_logf $runv logf __vn_logf $runvn logf _ZGVnN4v_logf $runvn +sinf __s_sinf 1 +sinf __v_sinf $runv +sinf __vn_sinf $runvn +sinf _ZGVnN4v_sinf $runvn + +cosf __s_cosf 1 +cosf __v_cosf $runv +cosf __vn_cosf $runvn +cosf _ZGVnN4v_cosf $runvn + " | while read G F R do [ "$R" = 1 ] || continue diff --git a/math/test/ulp.c b/math/test/ulp.c index 2ffba9b..4eb9d85 100644 --- a/math/test/ulp.c +++ b/math/test/ulp.c @@ -223,15 +223,21 @@ static const double dv[2] = {1.0, -INFINITY}; static inline v_float argf(float x) { return (v_float){x,x,x,fv[secondcall]}; } static inline v_double argd(double x) { return (v_double){x,dv[secondcall]}; } +static float v_sinf(float x) { return __v_sinf(argf(x))[0]; } +static float v_cosf(float x) { return __v_cosf(argf(x))[0]; } static float v_expf_1u(float x) { return __v_expf_1u(argf(x))[0]; } static float v_expf(float x) { return __v_expf(argf(x))[0]; } static float v_logf(float x) { return __v_logf(argf(x))[0]; } static double v_exp(double x) { return __v_exp(argd(x))[0]; } #ifdef __vpcs +static float vn_sinf(float x) { return __vn_sinf(argf(x))[0]; } +static float vn_cosf(float x) { return __vn_cosf(argf(x))[0]; } static float vn_expf_1u(float x) { return __vn_expf_1u(argf(x))[0]; } static float vn_expf(float x) { return __vn_expf(argf(x))[0]; } static float vn_logf(float x) { return __vn_logf(argf(x))[0]; } static double vn_exp(double x) { return __vn_exp(argd(x))[0]; } +static float Z_sinf(float x) { return _ZGVnN4v_sinf(argf(x))[0]; } +static float Z_cosf(float x) { return _ZGVnN4v_cosf(argf(x))[0]; } static float Z_expf(float x) { return _ZGVnN4v_expf(argf(x))[0]; } static float Z_logf(float x) { return _ZGVnN4v_logf(argf(x))[0]; } static double Z_exp(double x) { return _ZGVnN2v_exp(argd(x))[0]; } @@ -293,20 +299,28 @@ static const struct fun fun[] = { D1 (log) D1 (log2) D2 (pow) + F (__s_sinf, __s_sinf, sin, mpfr_sin, 1, 1, f1, 0) + F (__s_cosf, __s_cosf, cos, mpfr_cos, 1, 1, f1, 0) F (__s_expf_1u, __s_expf_1u, exp, mpfr_exp, 1, 1, f1, 0) F (__s_expf, __s_expf, exp, mpfr_exp, 1, 1, f1, 0) F (__s_logf, __s_logf, log, mpfr_log, 1, 1, f1, 0) F (__s_exp, __s_exp, expl, mpfr_exp, 1, 0, d1, 0) #if __aarch64__ + F (__v_sinf, v_sinf, sin, mpfr_sin, 1, 1, f1, 1) + F (__v_cosf, v_cosf, cos, mpfr_cos, 1, 1, f1, 1) F (__v_expf_1u, v_expf_1u, exp, mpfr_exp, 1, 1, f1, 1) F (__v_expf, v_expf, exp, mpfr_exp, 1, 1, f1, 1) F (__v_logf, v_logf, log, mpfr_log, 1, 1, f1, 1) F (__v_exp, v_exp, expl, mpfr_exp, 1, 0, d1, 1) #ifdef __vpcs + F (__vn_sinf, vn_sinf, sin, mpfr_sin, 1, 1, f1, 1) + F (__vn_cosf, vn_cosf, cos, mpfr_cos, 1, 1, f1, 1) F (__vn_expf_1u, vn_expf_1u, exp, mpfr_exp, 1, 1, f1, 1) F (__vn_expf, vn_expf, exp, mpfr_exp, 1, 1, f1, 1) F (__vn_logf, vn_logf, log, mpfr_log, 1, 1, f1, 1) F (__vn_exp, vn_exp, expl, mpfr_exp, 1, 0, d1, 1) + F (_ZGVnN4v_sinf, Z_sinf, sin, mpfr_sin, 1, 1, f1, 1) + F (_ZGVnN4v_cosf, Z_cosf, cos, mpfr_cos, 1, 1, f1, 1) F (_ZGVnN4v_expf, Z_expf, exp, mpfr_exp, 1, 1, f1, 1) F (_ZGVnN4v_logf, Z_logf, log, mpfr_log, 1, 1, f1, 1) F (_ZGVnN2v_exp, Z_exp, expl, mpfr_exp, 1, 0, d1, 1) |