Disable libm-test test name beautification for M_* constants.

math/gen-libm-test.pl has code to beautify names of various constants,
transforming the source form in libm-test.inc into the version
appearing in test names in libm-test-ulps files.

This has become decreasingly relevant over time for the M_* constants,
first as I changed the test names so only the arguments and not the
expected results appeared in them, then as tests have moved to
auto-libm-test-* so that automatically generated hex float constants
get used instead of M_* in test inputs.

This patch removes the beautification for all M_* constants.  Tested
x86_64 and x86 and ulps updated accordingly.  Even the one case where
this affected the name in the ulps files will disappear once complex
function tests are moved to auto-libm-test-*.

	* math/gen-libm-test.pl (%beautify): Remove M_* constants.
	* sysdeps/i386/fpu/libm-test-ulps: Update.
	* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.

1 files changed, 3 insertions, 0 deletions

diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps
index bb3adcbd67..6b154bc0b8 100644
--- a/sysdeps/i386/fpu/libm-test-ulps
+++ b/sysdeps/i386/fpu/libm-test-ulps
@@ -5807,6 +5807,9 @@ ldouble: 1
 Test "Imaginary part of: ctanh (0 + 0x3.243f6cp-1 i)":
 float: 1
 ifloat: 1
+Test "Imaginary part of: ctanh (0 + M_PI_4l i)":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: ctanh (0 + pi/4 i)":
 ildouble: 1
 ldouble: 1