Revert 7ec903e for now

linux-ia64 · Jun 27, 2024 · e0d8fba · e0d8fba
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diff --git a/NEWS b/NEWS
@@ -26,8 +26,6 @@ Major new features:
   functions for float, double, long double, _FloatN and _FloatNx, and a
   type-generic macro in <tgmath.h>.
 
-  - Exponential functions: exp2m1, exp10m1.
-
   - Logarithmic functions: log2p1, log10p1, logp1.
 
 * A new tunable, glibc.rtld.enable_secure, used to run a program

diff --git a/manual/math.texi b/manual/math.texi
@@ -740,36 +740,6 @@ near zero---a case where @code{exp (@var{x}) - 1} would be inaccurate owing
 to subtraction of two numbers that are nearly equal.
 @end deftypefun
 
-@deftypefun double exp2m1 (double @var{x})
-@deftypefunx float exp2m1f (float @var{x})
-@deftypefunx {long double} exp2m1l (long double @var{x})
-@deftypefunx _FloatN exp2m1fN (_Float@var{N} @var{x})
-@deftypefunx _FloatNx exp2m1fNx (_Float@var{N}x @var{x})
-@standards{TS 18661-4:2015, math.h}
-@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
-These functions return a value equivalent to @code{exp2 (@var{x}) - 1}.
-They are computed in a way that is accurate even if @var{x} is
-near zero---a case where @code{exp2 (@var{x}) - 1} would be inaccurate owing
-to subtraction of two numbers that are nearly equal.
-
-The @code{exp2m1} functions are from TS 18661-4:2015.
-@end deftypefun
-
-@deftypefun double exp10m1 (double @var{x})
-@deftypefunx float exp10m1f (float @var{x})
-@deftypefunx {long double} exp10m1l (long double @var{x})
-@deftypefunx _FloatN exp10m1fN (_Float@var{N} @var{x})
-@deftypefunx _FloatNx exp10m1fNx (_Float@var{N}x @var{x})
-@standards{TS 18661-4:2015, math.h}
-@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
-These functions return a value equivalent to @code{exp10 (@var{x}) - 1}.
-They are computed in a way that is accurate even if @var{x} is
-near zero---a case where @code{exp10 (@var{x}) - 1} would be inaccurate owing
-to subtraction of two numbers that are nearly equal.
-
-The @code{exp10m1} functions are from TS 18661-4:2015.
-@end deftypefun
-
 @deftypefun double log1p (double @var{x})
 @deftypefunx float log1pf (float @var{x})
 @deftypefunx {long double} log1pl (long double @var{x})

diff --git a/math/Makefile b/math/Makefile
@@ -113,8 +113,6 @@ gen-libm-calls = \
   s_csqrtF \
   s_ctanF \
   s_ctanhF \
-  s_exp10m1F \
-  s_exp2m1F \
   s_fdimF \
   s_fmaxF \
   s_fmaximumF \
@@ -645,8 +643,6 @@ libm-test-funcs-auto = \
   exp \
   exp2 \
   exp10 \
-  exp10m1 \
-  exp2m1 \
   expm1 \
   fma \
   hypot \
@@ -655,10 +651,10 @@ libm-test-funcs-auto = \
   jn \
   lgamma \
   log \
-  log2 \
   log10 \
   log10p1 \
   log1p \
+  log2 \
   log2p1 \
   pow \
   sin \
@@ -936,10 +932,8 @@ tgmath3-macros = \
   erf \
   erfc \
   exp \
-  exp10m1 \
   exp2 \
   exp10 \
-  exp2m1 \
   expm1 \
   fabs \
   fdim \
@@ -1334,9 +1328,7 @@ CFLAGS-s_erf.c += -fno-builtin-erfl
 CFLAGS-s_erfc.c += -fno-builtin-erfcl
 CFLAGS-e_exp.c += -fno-builtin-expl
 CFLAGS-w_exp10.c += -fno-builtin-exp10l
-CFLAGS-s_exp10m1.c += -fno-builtin-exp10m1l
 CFLAGS-e_exp2.c += -fno-builtin-exp2l
-CFLAGS-s_exp2m1.c += -fno-builtin-exp2m1l
 CFLAGS-s_expm1.c += -fno-builtin-expm1l
 CFLAGS-s_f32xaddf64.c += -fno-builtin-daddl
 CFLAGS-s_f32xdivf64.c += -fno-builtin-ddivl
@@ -1472,9 +1464,7 @@ CFLAGS-s_erf.c += -fno-builtin-erff32x -fno-builtin-erff64
 CFLAGS-s_erfc.c += -fno-builtin-erfcf32x -fno-builtin-erfcf64
 CFLAGS-e_exp.c += -fno-builtin-expf32x -fno-builtin-expf64
 CFLAGS-w_exp10.c += -fno-builtin-exp10f32x -fno-builtin-exp10f64
-CFLAGS-s_exp10m1.c += -fno-builtin-exp10m1f32x -fno-builtin-exp10m1f64
 CFLAGS-e_exp2.c += -fno-builtin-exp2f32x -fno-builtin-exp2f64
-CFLAGS-s_exp2m1.c += -fno-builtin-exp2m1f32x -fno-builtin-exp2m1f64
 CFLAGS-s_expm1.c += -fno-builtin-expm1f32x -fno-builtin-expm1f64
 CFLAGS-s_fabs.c += -fno-builtin-fabsf32x -fno-builtin-fabsf64
 CFLAGS-s_fadd.c += -fno-builtin-f32addf32x -fno-builtin-f32addf64
@@ -1596,9 +1586,7 @@ CFLAGS-s_erff.c += -fno-builtin-erff32
 CFLAGS-s_erfcf.c += -fno-builtin-erfcf32
 CFLAGS-e_expf.c += -fno-builtin-expf32
 CFLAGS-w_exp10f.c += -fno-builtin-exp10f32
-CFLAGS-s_exp10m1f.c += -fno-builtin-exp10m1f32
 CFLAGS-e_exp2f.c += -fno-builtin-exp2f32
-CFLAGS-s_exp2m1f.c += -fno-builtin-exp2m1f32
 CFLAGS-s_expm1f.c += -fno-builtin-expm1f32
 CFLAGS-s_fabsf.c += -fno-builtin-fabsf32
 CFLAGS-s_fdimf.c += -fno-builtin-fdimf32

diff --git a/math/Versions b/math/Versions
@@ -641,14 +641,10 @@ libm {
   }
   GLIBC_2.40 {
     # Functions not involving _Float64x or _Float128, for all configurations.
-    exp2m1; exp2m1f; exp2m1l; exp2m1f32; exp2m1f64; exp2m1f32x;
-    exp10m1; exp10m1f; exp10m1l; exp10m1f32; exp10m1f64; exp10m1f32x;
     log2p1; log2p1f; log2p1l; log2p1f32; log2p1f64; log2p1f32x;
     log10p1; log10p1f; log10p1l; log10p1f32; log10p1f64; log10p1f32x;
     logp1; logp1f; logp1l; logp1f32; logp1f64; logp1f32x;
     # Functions involving _Float64x or _Float128, for some configurations.
-    exp2m1f64x; exp2m1f128;
-    exp10m1f64x; exp10m1f128;
     log2p1f64x; log2p1f128;
     log10p1f64x; log10p1f128;
     logp1f64x; logp1f128;

diff --git a/math/auto-libm-test-in b/math/auto-libm-test-in
@@ -5249,106 +5249,6 @@ exp10 0xe.8b349p+4
 exp10 0x3.495c78p+0
 exp10 0xf.f33f6p+0
 
-exp10m1 0
-exp10m1 -0
-exp10m1 1
-exp10m1 0.75
-exp10m1 2
-exp10m1 3
-exp10m1 4
-exp10m1 5
-exp10m1 10
-exp10m1 15
-exp10m1 20
-exp10m1 25
-exp10m1 30
-exp10m1 35
-exp10m1 40
-exp10m1 50.0
-exp10m1 60
-exp10m1 70
-exp10m1 80
-exp10m1 90
-exp10m1 100
-exp10m1 127.0
-exp10m1 500.0
-exp10m1 11356.25
-exp10m1 -10.0
-exp10m1 -16.0
-exp10m1 -17.0
-exp10m1 -18.0
-exp10m1 -36.0
-exp10m1 -37.0
-exp10m1 -38.0
-exp10m1 -44.0
-exp10m1 -45.0
-exp10m1 -46.0
-exp10m1 -73.0
-exp10m1 -74.0
-exp10m1 -75.0
-exp10m1 -78.0
-exp10m1 -79.0
-exp10m1 -80.0
-exp10m1 -100.0
-exp10m1 -1000.0
-exp10m1 -10000.0
-exp10m1 -100000.0
-exp10m1 100000.0
-exp10m1 max
-exp10m1 -max
-exp10m1 0x1p-2
-exp10m1 -0x1p-2
-exp10m1 0x1p-10
-exp10m1 -0x1p-10
-exp10m1 0x1p-20
-exp10m1 -0x1p-20
-exp10m1 0x1p-29
-exp10m1 -0x1p-29
-exp10m1 0x1p-32
-exp10m1 -0x1p-32
-exp10m1 0x1p-50
-exp10m1 -0x1p-50
-exp10m1 0x1p-64
-exp10m1 -0x1p-64
-exp10m1 0x1p-100
-exp10m1 -0x1p-100
-exp10m1 0x1p-600
-exp10m1 -0x1p-600
-exp10m1 0x1p-10000
-exp10m1 -0x1p-10000
-exp10m1 0xe.4152ac57cd1ea7ap-60
-exp10m1 0x6.660247486aed8p-4
-exp10m1 0x6.289a78p-4
-exp10m1 0x6.1b4d318238d4a2a8p-4
-exp10m1 0x5.fb8dc64e91a74p-4
-exp10m1 0x3.735f497c4e67535cp-4
-exp10m1 -0x7.d6c50b469d404p+0
-exp10m1 0x4.857de8p+4
-exp10m1 0x5.dfeb68p-4
-exp10m1 0x4.0000000000000028p-16384
-exp10m1 0x5.8b911eb6733469c8p-4
-exp10m1 0x5.a343df0d680099a7a1a873a751a8p-4
-exp10m1 min
-exp10m1 -min
-exp10m1 min_subnorm
-exp10m1 -min_subnorm
-exp10m1 0x2.688268p+4
-exp10m1 0x2.68826cp+4
-exp10m1 0x1.34413509f79fep+8
-exp10m1 0x1.34413509f79ffp+8
-exp10m1 0x1.34413509f79fef2f625b0205a88p+8 xfail:ibm128-libgcc
-exp10m1 0x1.34413509f79fef2f625b0205a9p+8 xfail:ibm128-libgcc
-exp10m1 0x1.34413509f79fef3p+12
-exp10m1 0x1.34413509f79fef32p+12
-exp10m1 0x1.34413509f79fef311f12b35816f9p+12
-exp10m1 0x1.34413509f79fef311f12b35816fap+12
-exp10m1 0x1p-128
-exp10m1 0x1p-1024
-exp10m1 0x1p-16384
-exp10m1 -0x1p-128
-exp10m1 -0x1p-1024
-exp10m1 -0x1p-16384
-
 exp2 0
 exp2 -0
 exp2 10
@@ -5453,107 +5353,6 @@ exp2 -0xc.1bf12p-16
 exp2 -0x4.8ce878p-4
 exp2 0xf.93d18bf7be8d272p-4
 
-exp2m1 0
-exp2m1 -0
-exp2m1 1
-exp2m1 0.75
-exp2m1 2
-exp2m1 3
-exp2m1 4
-exp2m1 5
-exp2m1 10
-exp2m1 15
-exp2m1 20
-exp2m1 25
-exp2m1 30
-exp2m1 35
-exp2m1 40
-exp2m1 50.0
-exp2m1 60
-exp2m1 70
-exp2m1 80
-exp2m1 90
-exp2m1 100
-exp2m1 127.0
-exp2m1 500.0
-exp2m1 11356.25
-exp2m1 -10.0
-exp2m1 -16.0
-exp2m1 -17.0
-exp2m1 -18.0
-exp2m1 -36.0
-exp2m1 -37.0
-exp2m1 -38.0
-exp2m1 -44.0
-exp2m1 -45.0
-exp2m1 -46.0
-exp2m1 -73.0
-exp2m1 -74.0
-exp2m1 -75.0
-exp2m1 -78.0
-exp2m1 -79.0
-exp2m1 -80.0
-exp2m1 -100.0
-exp2m1 -1000.0
-exp2m1 -10000.0
-exp2m1 -100000.0
-exp2m1 100000.0
-exp2m1 max
-exp2m1 -max
-exp2m1 0x1p-2
-exp2m1 -0x1p-2
-exp2m1 0x1p-10
-exp2m1 -0x1p-10
-exp2m1 0x1p-20
-exp2m1 -0x1p-20
-exp2m1 0x1p-29
-exp2m1 -0x1p-29
-exp2m1 0x1p-32
-exp2m1 -0x1p-32
-exp2m1 0x1p-50
-exp2m1 -0x1p-50
-exp2m1 0x1p-64
-exp2m1 -0x1p-64
-exp2m1 0x1p-100
-exp2m1 -0x1p-100
-exp2m1 0x1p-600
-exp2m1 -0x1p-600
-exp2m1 0x1p-10000
-exp2m1 -0x1p-10000
-exp2m1 0xe.4152ac57cd1ea7ap-60
-exp2m1 0x6.660247486aed8p-4
-exp2m1 0x6.289a78p-4
-exp2m1 0x6.1b4d318238d4a2a8p-4
-exp2m1 0x5.fb8dc64e91a74p-4
-exp2m1 0x3.735f497c4e67535cp-4
-exp2m1 -0x7.d6c50b469d404p+0
-exp2m1 0x4.857de8p+4
-exp2m1 0x5.dfeb68p-4
-exp2m1 0x4.0000000000000028p-16384
-exp2m1 0x5.8b911eb6733469c8p-4
-exp2m1 0x5.a343df0d680099a7a1a873a751a8p-4
-exp2m1 min
-exp2m1 -min
-exp2m1 min_subnorm
-exp2m1 -min_subnorm
-exp2m1 128
-exp2m1 0x7.fffff8p+4
-exp2m1 0x8.00001p+4
-exp2m1 0x3.ffffffffffffep+8
-exp2m1 0x4.0000000000004p+8
-exp2m1 0x3.fffffffffffffffa3aae26b51fp+8 xfail-rounding:ibm128-libgcc
-exp2m1 0x3.fffffffffffffffa3aae26b52p+8 xfail-rounding:ibm128-libgcc
-exp2m1 0x3.fffffffffffffffcp+12
-exp2m1 0x4.0000000000000008p+12
-exp2m1 0x3.fffffffffffffffffffffffffffep+12
-exp2m1 0x4.0000000000000000000000000004p+12
-exp2m1 0x1p-125
-exp2m1 0x1p-1021
-exp2m1 0x1p-16381
-exp2m1 -0x1p-125
-exp2m1 -0x1p-1021
-exp2m1 -0x1p-16381
-
 expm1 0
 expm1 -0 no-mathvec
 expm1 1