[glibc/release/2.41/master] math: Fix sinhf for some inputs (BZ 32627)

[Adhemerval Zanella]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d85a7719536f4892f2b53d4594e18f6d096c2882

commit d85a7719536f4892f2b53d4594e18f6d096c2882
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Fri Jan 31 10:34:32 2025 -0300

    math: Fix sinhf for some inputs (BZ 32627)
    
    The logic was copied wrong from CORE-MATH.

Diff:
---
 math/auto-libm-test-in           |  1 +
 math/auto-libm-test-out-sinh     | 25 +++++++++++++++++++++++++
 sysdeps/ieee754/flt-32/e_sinhf.c |  2 +-
 3 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/math/auto-libm-test-in b/math/auto-libm-test-in
index c0627dc7eb..5f465b31f1 100644
--- a/math/auto-libm-test-in
+++ b/math/auto-libm-test-in
@@ -8300,6 +8300,7 @@ sinh -0x1.3dda8ap+0
 sinh -0x5.ee9218p-4
 sinh -0x1.bcfc98p+0
 sinh -0x6.9bbb6df7c5d08p-4
+sinh 0x1.250bfep-11
 # the next value generates larger error bounds on x86_64 (ldbl-96)
 sinh 0x2.c5d376167f4052f4p+12
 sinh max
diff --git a/math/auto-libm-test-out-sinh b/math/auto-libm-test-out-sinh
index 0b77a77eeb..3924e19d86 100644
--- a/math/auto-libm-test-out-sinh
+++ b/math/auto-libm-test-out-sinh
@@ -2115,6 +2115,31 @@ sinh -0x6.9bbb6df7c5d08p-4
 = sinh tonearest ibm128 -0x6.9bbb6df7c5d08p-4 : -0x6.cc3ddf003dcda77f8f9e892e36p-4 : inexact-ok
 = sinh towardzero ibm128 -0x6.9bbb6df7c5d08p-4 : -0x6.cc3ddf003dcda77f8f9e892e36p-4 : inexact-ok
 = sinh upward ibm128 -0x6.9bbb6df7c5d08p-4 : -0x6.cc3ddf003dcda77f8f9e892e36p-4 : inexact-ok
+sinh 0x1.250bfep-11
+= sinh downward binary32 0x2.4a17fcp-12 : 0x2.4a17fcp-12 : inexact-ok
+= sinh tonearest binary32 0x2.4a17fcp-12 : 0x2.4a17fcp-12 : inexact-ok
+= sinh towardzero binary32 0x2.4a17fcp-12 : 0x2.4a17fcp-12 : inexact-ok
+= sinh upward binary32 0x2.4a17fcp-12 : 0x2.4a18p-12 : inexact-ok
+= sinh downward binary64 0x2.4a17fcp-12 : 0x2.4a17fdffffffep-12 : inexact-ok
+= sinh tonearest binary64 0x2.4a17fcp-12 : 0x2.4a17fep-12 : inexact-ok
+= sinh towardzero binary64 0x2.4a17fcp-12 : 0x2.4a17fdffffffep-12 : inexact-ok
+= sinh upward binary64 0x2.4a17fcp-12 : 0x2.4a17fep-12 : inexact-ok
+= sinh downward intel96 0x2.4a17fcp-12 : 0x2.4a17fdfffffff87cp-12 : inexact-ok
+= sinh tonearest intel96 0x2.4a17fcp-12 : 0x2.4a17fdfffffff88p-12 : inexact-ok
+= sinh towardzero intel96 0x2.4a17fcp-12 : 0x2.4a17fdfffffff87cp-12 : inexact-ok
+= sinh upward intel96 0x2.4a17fcp-12 : 0x2.4a17fdfffffff88p-12 : inexact-ok
+= sinh downward m68k96 0x2.4a17fcp-12 : 0x2.4a17fdfffffff87cp-12 : inexact-ok
+= sinh tonearest m68k96 0x2.4a17fcp-12 : 0x2.4a17fdfffffff88p-12 : inexact-ok
+= sinh towardzero m68k96 0x2.4a17fcp-12 : 0x2.4a17fdfffffff87cp-12 : inexact-ok
+= sinh upward m68k96 0x2.4a17fcp-12 : 0x2.4a17fdfffffff88p-12 : inexact-ok
+= sinh downward binary128 0x2.4a17fcp-12 : 0x2.4a17fdfffffff87e8d322786ec88p-12 : inexact-ok
+= sinh tonearest binary128 0x2.4a17fcp-12 : 0x2.4a17fdfffffff87e8d322786ec8ap-12 : inexact-ok
+= sinh towardzero binary128 0x2.4a17fcp-12 : 0x2.4a17fdfffffff87e8d322786ec88p-12 : inexact-ok
+= sinh upward binary128 0x2.4a17fcp-12 : 0x2.4a17fdfffffff87e8d322786ec8ap-12 : inexact-ok
+= sinh downward ibm128 0x2.4a17fcp-12 : 0x2.4a17fdfffffff87e8d322786ecp-12 : inexact-ok
+= sinh tonearest ibm128 0x2.4a17fcp-12 : 0x2.4a17fdfffffff87e8d322786edp-12 : inexact-ok
+= sinh towardzero ibm128 0x2.4a17fcp-12 : 0x2.4a17fdfffffff87e8d322786ecp-12 : inexact-ok
+= sinh upward ibm128 0x2.4a17fcp-12 : 0x2.4a17fdfffffff87e8d322786edp-12 : inexact-ok
 sinh 0x2.c5d376167f4052f4p+12
 = sinh downward binary32 0x2.c5d378p+12 : 0xf.fffffp+124 : inexact-ok overflow errno-erange-ok
 = sinh tonearest binary32 0x2.c5d378p+12 : plus_infty : inexact-ok overflow errno-erange
diff --git a/sysdeps/ieee754/flt-32/e_sinhf.c b/sysdeps/ieee754/flt-32/e_sinhf.c
index c007c7d174..dee96fc7cb 100644
--- a/sysdeps/ieee754/flt-32/e_sinhf.c
+++ b/sysdeps/ieee754/flt-32/e_sinhf.c
@@ -83,7 +83,7 @@ __ieee754_sinhf (float x)
 	{					   /* |x| <= 0x1.250bfep-11 */
 	  if (__glibc_unlikely (ux < 0x66000000u)) /* |x| < 0x1p-24 */
 	    return fmaf (x, fabsf (x), x);
-	  if (__glibc_unlikely (st.uarg == asuint (ux)))
+	  if (__glibc_unlikely (st.uarg == ux))
 	    {
 	      float sgn = copysignf (1.0f, x);
 	      return sgn * st.rh + sgn * st.rl;