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authorJoseph Myers <josmyers@redhat.com>2025-03-07 19:15:26 +0000
committerJoseph Myers <josmyers@redhat.com>2025-03-07 19:15:26 +0000
commit77261698b4e938020a1b2032709a54d942ba330f (patch)
tree6d7b1dd547ad3ed168503f308f627327a4f69b89 /math/Makefile
parentee3b1d15da412be19583085f81c220653b270c1f (diff)
downloadglibc-77261698b4e938020a1b2032709a54d942ba330f.tar.xz
glibc-77261698b4e938020a1b2032709a54d942ba330f.zip
Implement C23 rsqrt
C23 adds various <math.h> function families originally defined in TS 18661-4. Add the rsqrt functions (1/sqrt(x)). The test inputs are taken from those for sqrt. Tested for x86_64 and x86, and with build-many-glibcs.py.
Diffstat (limited to 'math/Makefile')
-rw-r--r--math/Makefile6
1 files changed, 6 insertions, 0 deletions
diff --git a/math/Makefile b/math/Makefile
index 6dab60095b..7aabf355b4 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -139,6 +139,7 @@ gen-libm-calls = \
s_log2p1F \
s_nanF \
s_nextdownF \
+ s_rsqrtF \
s_significandF \
s_sinpiF \
s_tanpiF \
@@ -682,6 +683,7 @@ libm-test-funcs-auto = \
log1p \
log2p1 \
pow \
+ rsqrt \
sin \
sincos \
sinh \
@@ -1017,6 +1019,7 @@ tgmath3-macros = \
rint \
round \
roundeven \
+ rsqrt \
scalb \
scalbln \
scalbn \
@@ -1462,6 +1465,7 @@ CFLAGS-s_remquo.c += -fno-builtin-remquol
CFLAGS-s_rint.c += -fno-builtin-rintl
CFLAGS-s_round.c += -fno-builtin-roundl
CFLAGS-s_roundeven.c += -fno-builtin-roundevenl
+CFLAGS-s_rsqrt.c += -fno-builtin-rsqrtl
CFLAGS-w_scalb.c += -fno-builtin-scalbl
CFLAGS-w_scalbln.c += -fno-builtin-scalblnl
CFLAGS-s_scalbn.c += -fno-builtin-scalbnl
@@ -1596,6 +1600,7 @@ CFLAGS-s_remquo.c += -fno-builtin-remquof32x -fno-builtin-remquof64
CFLAGS-s_rint.c += -fno-builtin-rintf32x -fno-builtin-rintf64
CFLAGS-s_round.c += -fno-builtin-roundf32x -fno-builtin-roundf64
CFLAGS-s_roundeven.c += -fno-builtin-roundevenf32x -fno-builtin-roundevenf64
+CFLAGS-s_rsqrt.c += -fno-builtin-rsqrtf32x -fno-builtin-rsqrtf64
CFLAGS-w_scalbln.c += -fno-builtin-scalblnf32x -fno-builtin-scalblnf64
CFLAGS-s_scalbn.c += -fno-builtin-scalbnf32x -fno-builtin-scalbnf64
CFLAGS-s_setpayload.c += -fno-builtin-setpayloadf32x -fno-builtin-setpayloadf64
@@ -1721,6 +1726,7 @@ CFLAGS-s_remquof.c += -fno-builtin-remquof32
CFLAGS-s_rintf.c += -fno-builtin-rintf32
CFLAGS-s_roundf.c += -fno-builtin-roundf32
CFLAGS-s_roundevenf.c += -fno-builtin-roundevenf32
+CFLAGS-s_rsqrtf.c += -fno-builtin-rsqrtf32
CFLAGS-w_scalblnf.c += -fno-builtin-scalblnf32
CFLAGS-s_scalbnf.c += -fno-builtin-scalbnf32
CFLAGS-s_setpayloadf.c += -fno-builtin-setpayloadf32