[23/23] math: Use tanhf from CORE-MATH

Message ID	20241129132032.476978-24-adhemerval.zanella@linaro.org
State	New
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: domain of libc-alpha-bounces~patch=linaro.org@sourceware.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) client-ip=2620:52:3:1:0:246e:9693:128c; DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org AAB46385840B From: Adhemerval Zanella <adhemerval.zanella@linaro.org> To: libc-alpha@sourceware.org Cc: DJ Delorie <dj@redhat.com>, Alexei Sibidanov <sibid@uvic.ca>, Paul Zimmermann <Paul.Zimmermann@inria.fr> Subject: [PATCH 23/23] math: Use tanhf from CORE-MATH Date: Fri, 29 Nov 2024 10:17:47 -0300 Message-ID: <20241129132032.476978-24-adhemerval.zanella@linaro.org> In-Reply-To: <20241129132032.476978-1-adhemerval.zanella@linaro.org> References: <20241129132032.476978-1-adhemerval.zanella@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: list Errors-To: libc-alpha-bounces~patch=linaro.org@sourceware.org
Series	Add remaining CORE-MATH binary32 implementations to libm \| expand [00/23] Add remaining CORE-MATH binary32 implementations to libm [01/23] benchtests: Add acosf benchmark [02/23] benchtests: Add acoshf benchmark [03/23] benchtests: Add asinf benchmark [04/23] benchtests: Add asinhf benchmark [05/23] benchtests: Add atanf benchmark [06/23] benchtests: Add atan2f benchmark [07/23] benchtests: Add atanhf benchmark [08/23] benchtests: Add coshf benchmark [09/23] benchtests: Add sinhf benchmark [10/23] benchtests: Add tanhf benchmark [11/23] math: Add inf support on gen-auto-libm-tests.c [12/23] math: Fix the expected atanf (inf) results [13/23] math: Fix the expected atan2f (inf) results [14/23] math: Use acosf from CORE-MATH [15/23] math: Use acoshf from CORE-MATH [16/23] math: Use asinf from CORE-MATH [18/23] math: Use atanf from CORE-MATH [19/23] math: Use atan2f from CORE-MATH [20/23] math: Use atanhf from CORE-MATH [21/23] math: Use coshf from CORE-MATH [22/23] math: Use sinhf from CORE-MATH [23/23] math: Use tanhf from CORE-MATH

diff --git a/SHARED-FILES b/SHARED-FILES index 3bd4e7fb4a..032c407881 100644 --- a/SHARED-FILES +++ b/SHARED-FILES @@ -330,3 +330,7 @@ sysdeps/ieee754/flt-32/e_sinhf.c: (src/binary32/sinh/sinhf.c in CORE-MATH) - the code was adapted to use glibc code style and internal functions to handle errno, overflow, and underflow. +sysdeps/ieee754/flt-32/s_tanhf.c: + (src/binary32/tanh/tanhf.c in CORE-MATH) + - the code was adapted to use glibc code style and internal + functions to handle errno, overflow, and underflow. diff --git a/sysdeps/aarch64/libm-test-ulps b/sysdeps/aarch64/libm-test-ulps index 4545d8236b..ab8f7e830e 100644 --- a/sysdeps/aarch64/libm-test-ulps +++ b/sysdeps/aarch64/libm-test-ulps @@ -1549,7 +1549,6 @@ ldouble: 1 Function: "tanh": double: 2 -float: 2 ldouble: 2 Function: "tanh_advsimd": @@ -1558,7 +1557,6 @@ float: 2 Function: "tanh_downward": double: 3 -float: 3 ldouble: 4 Function: "tanh_sve": @@ -1567,12 +1565,10 @@ float: 2 Function: "tanh_towardzero": double: 2 -float: 2 ldouble: 3 Function: "tanh_upward": double: 3 -float: 3 ldouble: 3 Function: "tgamma": diff --git a/sysdeps/alpha/fpu/libm-test-ulps b/sysdeps/alpha/fpu/libm-test-ulps index d4329e060d..59ae18c412 100644 --- a/sysdeps/alpha/fpu/libm-test-ulps +++ b/sysdeps/alpha/fpu/libm-test-ulps @@ -1322,22 +1322,18 @@ ldouble: 1 Function: "tanh": double: 2 -float: 2 ldouble: 2 Function: "tanh_downward": double: 3 -float: 3 ldouble: 4 Function: "tanh_towardzero": double: 2 -float: 2 ldouble: 3 Function: "tanh_upward": double: 3 -float: 3 ldouble: 3 Function: "tgamma": diff --git a/sysdeps/arc/fpu/libm-test-ulps b/sysdeps/arc/fpu/libm-test-ulps index eb8296d736..f11dc58686 100644 --- a/sysdeps/arc/fpu/libm-test-ulps +++ b/sysdeps/arc/fpu/libm-test-ulps @@ -1057,19 +1057,15 @@ double: 1 Function: "tanh": double: 3 -float: 2 Function: "tanh_downward": double: 3 -float: 3 Function: "tanh_towardzero": double: 3 -float: 3 Function: "tanh_upward": double: 3 -float: 3 Function: "tgamma": double: 9 diff --git a/sysdeps/arc/nofpu/libm-test-ulps b/sysdeps/arc/nofpu/libm-test-ulps index 519a174f7a..f549db1801 100644 --- a/sysdeps/arc/nofpu/libm-test-ulps +++ b/sysdeps/arc/nofpu/libm-test-ulps @@ -252,7 +252,6 @@ double: 2 Function: "tanh": double: 2 -float: 2 Function: "tgamma": double: 9 diff --git a/sysdeps/arm/libm-test-ulps b/sysdeps/arm/libm-test-ulps index 7be1a7c75b..705b0641f5 100644 --- a/sysdeps/arm/libm-test-ulps +++ b/sysdeps/arm/libm-test-ulps @@ -1051,19 +1051,15 @@ double: 1 Function: "tanh": double: 2 -float: 2 Function: "tanh_downward": double: 3 -float: 3 Function: "tanh_towardzero": double: 2 -float: 2 Function: "tanh_upward": double: 3 -float: 3 Function: "tgamma": double: 9 diff --git a/sysdeps/csky/fpu/libm-test-ulps b/sysdeps/csky/fpu/libm-test-ulps index ffc0676765..0e0cc63f07 100644 --- a/sysdeps/csky/fpu/libm-test-ulps +++ b/sysdeps/csky/fpu/libm-test-ulps @@ -975,19 +975,15 @@ double: 1 Function: "tanh": double: 2 -float: 2 Function: "tanh_downward": double: 3 -float: 3 Function: "tanh_towardzero": double: 2 -float: 2 Function: "tanh_upward": double: 3 -float: 3 Function: "tgamma": double: 9 diff --git a/sysdeps/csky/nofpu/libm-test-ulps b/sysdeps/csky/nofpu/libm-test-ulps index a7c85db00d..a9f6566e2c 100644 --- a/sysdeps/csky/nofpu/libm-test-ulps +++ b/sysdeps/csky/nofpu/libm-test-ulps @@ -1006,19 +1006,15 @@ double: 1 Function: "tanh": double: 2 -float: 2 Function: "tanh_downward": double: 3 -float: 3 Function: "tanh_towardzero": double: 2 -float: 2 Function: "tanh_upward": double: 3 -float: 3 Function: "tgamma": double: 9 diff --git a/sysdeps/hppa/fpu/libm-test-ulps b/sysdeps/hppa/fpu/libm-test-ulps index 0fbb2f81bb..ea344c2f6c 100644 --- a/sysdeps/hppa/fpu/libm-test-ulps +++ b/sysdeps/hppa/fpu/libm-test-ulps @@ -1084,19 +1084,15 @@ double: 1 Function: "tanh": double: 2 -float: 2 Function: "tanh_downward": double: 3 -float: 3 Function: "tanh_towardzero": double: 2 -float: 2 Function: "tanh_upward": double: 3 -float: 3 Function: "tgamma": double: 9 diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps index 26101c933e..3f00faf29f 100644 --- a/sysdeps/i386/fpu/libm-test-ulps +++ b/sysdeps/i386/fpu/libm-test-ulps @@ -1613,25 +1613,21 @@ ldouble: 2 Function: "tanh": double: 2 -float: 2 float128: 2 ldouble: 3 Function: "tanh_downward": double: 3 -float: 3 float128: 4 ldouble: 4 Function: "tanh_towardzero": double: 2 -float: 2 float128: 3 ldouble: 3 Function: "tanh_upward": double: 3 -float: 3 float128: 3 ldouble: 4 diff --git a/sysdeps/i386/i686/fpu/multiarch/libm-test-ulps b/sysdeps/i386/i686/fpu/multiarch/libm-test-ulps index 92e821d609..af9ac1cf1c 100644 --- a/sysdeps/i386/i686/fpu/multiarch/libm-test-ulps +++ b/sysdeps/i386/i686/fpu/multiarch/libm-test-ulps @@ -1618,25 +1618,21 @@ ldouble: 2 Function: "tanh": double: 2 -float: 2 float128: 2 ldouble: 3 Function: "tanh_downward": double: 3 -float: 3 float128: 4 ldouble: 4 Function: "tanh_towardzero": double: 2 -float: 2 float128: 3 ldouble: 3 Function: "tanh_upward": double: 3 -float: 3 float128: 3 ldouble: 4 diff --git a/sysdeps/ieee754/flt-32/s_tanhf.c b/sysdeps/ieee754/flt-32/s_tanhf.c index 2c12f04569..b7273d9724 100644 --- a/sysdeps/ieee754/flt-32/s_tanhf.c +++ b/sysdeps/ieee754/flt-32/s_tanhf.c @@ -1,63 +1,88 @@ -/* s_tanhf.c -- float version of s_tanh.c. - */ +/* Correctly-rounded hyperbolic tangent function for binary32 value. -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunPro, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ +Copyright (c) 2022-2024 Alexei Sibidanov. -#if defined(LIBM_SCCS) && !defined(lint) -static char rcsid[] = "$NetBSD: s_tanhf.c,v 1.4 1995/05/10 20:48:24 jtc Exp $"; -#endif +The original version of this file was copied from the CORE-MATH +project (file src/binary32/tanh/tanhf.c, revision bc385c2). -#include <float.h> -#include <math.h> -#include <math_private.h> -#include <math-underflow.h> -#include <libm-alias-float.h> +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: -static const float one=1.0, two=2.0, tiny = 1.0e-30; - -float __tanhf(float x) -{ - float t,z; - int32_t jx,ix; +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. - GET_FLOAT_WORD(jx,x); - ix = jx&0x7fffffff; +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ - /* x is INF or NaN */ - if(ix>=0x7f800000) { - if (jx>=0) return one/x+one; /* tanh(+-inf)=+-1 */ - else return one/x-one; /* tanh(NaN) = NaN */ - } +#include <math.h> +#include <stdint.h> +#include <libm-alias-float.h> +#include "math_config.h" - /* |x| < 22 */ - if (ix < 0x41b00000) { /* |x|<22 */ - if (ix == 0) - return x; /* x == +-0 */ - if (ix<0x24000000) /* |x|<2**-55 */ - { - math_check_force_underflow (x); - return x*(one+x); /* tanh(small) = small */ - } - if (ix>=0x3f800000) { /* |x|>=1 */ - t = __expm1f(two*fabsf(x)); - z = one - two/(t+two); - } else { - t = __expm1f(-two*fabsf(x)); - z= -t/(t+two); - } - /* |x| > 22, return +-1 */ - } else { - z = one - tiny; /* raised inexact flag */ +float +__tanhf (float x) +{ + double z = x; + uint32_t ux = asuint (x); + int e = (ux >> 23) & 0xff; + if (__glibc_unlikely (e == 0xff)) + { + if (ux << 9) + return x + x; /* nan */ + static const float ir[] = { 1.0f, -1.0f }; + return ir[ux >> 31]; /* +-inf */ + } + if (__glibc_unlikely (e < 115)) + { + if (__glibc_unlikely (e < 102)) + { + if (__glibc_unlikely ((ux << 1) == 0)) + return x; + return fmaf (-x, fabsf (x), x); } - return (jx>=0)? z: -z; + float x2 = x * x; + return fmaf (x, -0x1.555556p-2f * x2, x); + } + if ((ux << 1) > (0x41102cb3u << 1)) + return copysignf (1.0f, x) - copysignf (0x1p-25f, x); + double z2 = z * z, z4 = z2 * z2, z8 = z4 * z4; + static const double cn[] = + { + 0x1p+0, 0x1.30877b8b72d33p-3, 0x1.694aa09ae9e5ep-8, + 0x1.4101377abb729p-14, 0x1.e0392b1db0018p-22, 0x1.2533756e546f7p-30, + 0x1.d62e5abe6ae8ap-41, 0x1.b06be534182dep-54 + }; + static const double cd[] = + { + 0x1p+0, 0x1.ed99131b0ebeap-2, 0x1.0d27ed6c95a69p-5, + 0x1.7cbdaca0e9fccp-11, 0x1.b4e60b892578ep-18, 0x1.a6f707c5c71abp-26, + 0x1.35a8b6e2cd94cp-35, 0x1.ca8230677aa01p-47 + }; + double n0 = cn[0] + z2 * cn[1]; + double n2 = cn[2] + z2 * cn[3]; + double n4 = cn[4] + z2 * cn[5]; + double n6 = cn[6] + z2 * cn[7]; + n0 += z4 * n2; + n4 += z4 * n6; + n0 += z8 * n4; + double d0 = cd[0] + z2 * cd[1]; + double d2 = cd[2] + z2 * cd[3]; + double d4 = cd[4] + z2 * cd[5]; + double d6 = cd[6] + z2 * cd[7]; + d0 += z4 * d2; + d4 += z4 * d6; + d0 += z8 * d4; + double r = z * n0 / d0; + return r; } libm_alias_float (__tanh, tanh) diff --git a/sysdeps/loongarch/lp64/libm-test-ulps b/sysdeps/loongarch/lp64/libm-test-ulps index 1a9ef3c217..a5a8850929 100644 --- a/sysdeps/loongarch/lp64/libm-test-ulps +++ b/sysdeps/loongarch/lp64/libm-test-ulps @@ -1329,22 +1329,18 @@ ldouble: 1 Function: "tanh": double: 2 -float: 2 ldouble: 2 Function: "tanh_downward": double: 3 -float: 3 ldouble: 4 Function: "tanh_towardzero": double: 2 -float: 2 ldouble: 3 Function: "tanh_upward": double: 3 -float: 3 ldouble: 3 Function: "tgamma": diff --git a/sysdeps/m68k/m680x0/fpu/libm-test-ulps b/sysdeps/m68k/m680x0/fpu/libm-test-ulps index 7b3e67efaf..573cfdd45a 100644 --- a/sysdeps/m68k/m680x0/fpu/libm-test-ulps +++ b/sysdeps/m68k/m680x0/fpu/libm-test-ulps @@ -1160,15 +1160,12 @@ double: 1 Function: "tanh_downward": double: 1 -float: 1 Function: "tanh_towardzero": double: 1 -float: 1 Function: "tanh_upward": double: 1 -float: 1 Function: "tgamma": double: 3 diff --git a/sysdeps/microblaze/libm-test-ulps b/sysdeps/microblaze/libm-test-ulps index c9fc2aa5aa..f7eac16221 100644 --- a/sysdeps/microblaze/libm-test-ulps +++ b/sysdeps/microblaze/libm-test-ulps @@ -234,7 +234,6 @@ double: 2 Function: "tanh": double: 2 -float: 2 Function: "tgamma": double: 5 diff --git a/sysdeps/mips/mips32/libm-test-ulps b/sysdeps/mips/mips32/libm-test-ulps index 2155853acf..418887d215 100644 --- a/sysdeps/mips/mips32/libm-test-ulps +++ b/sysdeps/mips/mips32/libm-test-ulps @@ -1054,19 +1054,15 @@ double: 1 Function: "tanh": double: 2 -float: 2 Function: "tanh_downward": double: 3 -float: 3 Function: "tanh_towardzero": double: 2 -float: 2 Function: "tanh_upward": double: 3 -float: 3 Function: "tgamma": double: 9 diff --git a/sysdeps/mips/mips64/libm-test-ulps b/sysdeps/mips/mips64/libm-test-ulps index c4dfef0b23..fb2689efb7 100644 --- a/sysdeps/mips/mips64/libm-test-ulps +++ b/sysdeps/mips/mips64/libm-test-ulps @@ -1340,22 +1340,18 @@ ldouble: 1 Function: "tanh": double: 2 -float: 2 ldouble: 2 Function: "tanh_downward": double: 3 -float: 3 ldouble: 4 Function: "tanh_towardzero": double: 2 -float: 2 ldouble: 3 Function: "tanh_upward": double: 3 -float: 3 ldouble: 3 Function: "tgamma": diff --git a/sysdeps/or1k/fpu/libm-test-ulps b/sysdeps/or1k/fpu/libm-test-ulps index f352f71c7d..1acfd0fcaf 100644 --- a/sysdeps/or1k/fpu/libm-test-ulps +++ b/sysdeps/or1k/fpu/libm-test-ulps @@ -988,19 +988,15 @@ double: 1 Function: "tanh": double: 2 -float: 2 Function: "tanh_downward": double: 3 -float: 3 Function: "tanh_towardzero": double: 2 -float: 2 Function: "tanh_upward": double: 3 -float: 3 Function: "tgamma": double: 9 diff --git a/sysdeps/or1k/nofpu/libm-test-ulps b/sysdeps/or1k/nofpu/libm-test-ulps index a69026e9ee..d0a00f9de1 100644 --- a/sysdeps/or1k/nofpu/libm-test-ulps +++ b/sysdeps/or1k/nofpu/libm-test-ulps @@ -978,19 +978,15 @@ double: 1 Function: "tanh": double: 2 -float: 2 Function: "tanh_downward": double: 3 -float: 3 Function: "tanh_towardzero": double: 2 -float: 2 Function: "tanh_upward": double: 3 -float: 3 Function: "tgamma": double: 9 diff --git a/sysdeps/powerpc/fpu/libm-test-ulps b/sysdeps/powerpc/fpu/libm-test-ulps index 210ea0a26b..4d22d956cd 100644 --- a/sysdeps/powerpc/fpu/libm-test-ulps +++ b/sysdeps/powerpc/fpu/libm-test-ulps @@ -1721,25 +1721,21 @@ ldouble: 3 Function: "tanh": double: 2 -float: 2 float128: 2 ldouble: 1 Function: "tanh_downward": double: 3 -float: 3 float128: 4 ldouble: 4 Function: "tanh_towardzero": double: 2 -float: 2 float128: 3 ldouble: 4 Function: "tanh_upward": double: 3 -float: 3 float128: 3 ldouble: 6 diff --git a/sysdeps/powerpc/nofpu/libm-test-ulps b/sysdeps/powerpc/nofpu/libm-test-ulps index c2a0a64d50..244345f934 100644 --- a/sysdeps/powerpc/nofpu/libm-test-ulps +++ b/sysdeps/powerpc/nofpu/libm-test-ulps @@ -1456,22 +1456,18 @@ ldouble: 3 Function: "tanh": double: 2 -float: 2 ldouble: 1 Function: "tanh_downward": double: 3 -float: 3 ldouble: 4 Function: "tanh_towardzero": double: 2 -float: 2 ldouble: 4 Function: "tanh_upward": double: 3 -float: 3 ldouble: 6 Function: "tgamma": diff --git a/sysdeps/riscv/nofpu/libm-test-ulps b/sysdeps/riscv/nofpu/libm-test-ulps index b29beefdba..22041cf093 100644 --- a/sysdeps/riscv/nofpu/libm-test-ulps +++ b/sysdeps/riscv/nofpu/libm-test-ulps @@ -1269,22 +1269,18 @@ ldouble: 1 Function: "tanh": double: 2 -float: 2 ldouble: 2 Function: "tanh_downward": double: 3 -float: 3 ldouble: 4 Function: "tanh_towardzero": double: 2 -float: 2 ldouble: 3 Function: "tanh_upward": double: 3 -float: 3 ldouble: 3 Function: "tgamma": diff --git a/sysdeps/riscv/rvd/libm-test-ulps b/sysdeps/riscv/rvd/libm-test-ulps index b78c11ec09..511d6a3b90 100644 --- a/sysdeps/riscv/rvd/libm-test-ulps +++ b/sysdeps/riscv/rvd/libm-test-ulps @@ -1327,22 +1327,18 @@ ldouble: 1 Function: "tanh": double: 2 -float: 2 ldouble: 2 Function: "tanh_downward": double: 3 -float: 3 ldouble: 4 Function: "tanh_towardzero": double: 2 -float: 2 ldouble: 3 Function: "tanh_upward": double: 3 -float: 3 ldouble: 3 Function: "tgamma": diff --git a/sysdeps/s390/fpu/libm-test-ulps b/sysdeps/s390/fpu/libm-test-ulps index 2beaf10dc4..528d1ade6e 100644 --- a/sysdeps/s390/fpu/libm-test-ulps +++ b/sysdeps/s390/fpu/libm-test-ulps @@ -1326,22 +1326,18 @@ ldouble: 1 Function: "tanh": double: 2 -float: 2 ldouble: 2 Function: "tanh_downward": double: 3 -float: 3 ldouble: 4 Function: "tanh_towardzero": double: 2 -float: 2 ldouble: 3 Function: "tanh_upward": double: 3 -float: 3 ldouble: 3 Function: "tgamma": diff --git a/sysdeps/sh/libm-test-ulps b/sysdeps/sh/libm-test-ulps index 002218c7fa..783ee44a7b 100644 --- a/sysdeps/sh/libm-test-ulps +++ b/sysdeps/sh/libm-test-ulps @@ -488,11 +488,9 @@ double: 1 Function: "tanh": double: 2 -float: 2 Function: "tanh_towardzero": double: 2 -float: 2 Function: "tgamma": double: 9 diff --git a/sysdeps/sparc/fpu/libm-test-ulps b/sysdeps/sparc/fpu/libm-test-ulps index 72ecefff12..dbafba668e 100644 --- a/sysdeps/sparc/fpu/libm-test-ulps +++ b/sysdeps/sparc/fpu/libm-test-ulps @@ -1340,22 +1340,18 @@ ldouble: 1 Function: "tanh": double: 2 -float: 2 ldouble: 2 Function: "tanh_downward": double: 3 -float: 3 ldouble: 4 Function: "tanh_towardzero": double: 2 -float: 2 ldouble: 3 Function: "tanh_upward": double: 3 -float: 3 ldouble: 3 Function: "tgamma": diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index 038622d624..7df7b51a3f 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -2140,25 +2140,21 @@ float: 2 Function: "tanh": double: 2 -float: 2 float128: 2 ldouble: 3 Function: "tanh_downward": double: 3 -float: 3 float128: 4 ldouble: 4 Function: "tanh_towardzero": double: 2 -float: 2 float128: 3 ldouble: 3 Function: "tanh_upward": double: 3 -float: 3 float128: 3 ldouble: 4

[23/23] math: Use tanhf from CORE-MATH

Commit Message

Patch