From: Francois-Xavier Coudert Date: Sun, 9 Aug 2015 08:46:52 +0000 (+0000) Subject: Makefile.am (libquadmath_la_SOURCES): Add math/logbq.c. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=03c02a42c59949e6ae0fdb0892fb3e751932d17b;p=gcc.git Makefile.am (libquadmath_la_SOURCES): Add math/logbq.c. * Makefile.am (libquadmath_la_SOURCES): Add math/logbq.c. * Makefile.in: Regenerate. * libquadmath.texi: Document logbq. * quadmath.h: Add logbq prototype. * quadmath.map: Add logbq. * quadmath_weak.h: Add logbq prototype. * math/logbq.c: New file From-SVN: r226748 --- diff --git a/libquadmath/ChangeLog b/libquadmath/ChangeLog index 2eee6f286c1..a47355aa236 100644 --- a/libquadmath/ChangeLog +++ b/libquadmath/ChangeLog @@ -1,3 +1,13 @@ +2015-08-09 Francois-Xavier Coudert + + * Makefile.am (libquadmath_la_SOURCES): Add math/logbq.c. + * Makefile.in: Regenerate. + * libquadmath.texi: Document logbq. + * quadmath.h: Add logbq prototype. + * quadmath.map: Add logbq. + * quadmath_weak.h: Add logbq prototype. + * math/logbq.c: New file + 2015-05-13 Michael Haubenwallner * Makefile.in: Regenerated with automake-1.11.6. diff --git a/libquadmath/Makefile.am b/libquadmath/Makefile.am index 145fb38fc24..5c4d3e2ece1 100644 --- a/libquadmath/Makefile.am +++ b/libquadmath/Makefile.am @@ -57,7 +57,7 @@ libquadmath_la_SOURCES = \ math/erfq.c math/logq.c math/sqrtq.c math/expm1q.c math/lroundq.c \ math/tanhq.c math/expq.c math/modfq.c math/tanq.c math/fabsq.c \ math/nanq.c math/tgammaq.c math/finiteq.c math/nextafterq.c \ - math/truncq.c math/floorq.c math/powq.c math/fmaq.c \ + math/truncq.c math/floorq.c math/powq.c math/fmaq.c math/logbq.c \ math/cacoshq.c math/cacosq.c math/casinhq.c math/casinq.c \ math/catanhq.c math/catanq.c math/cimagq.c math/conjq.c math/cprojq.c \ math/crealq.c math/fdimq.c math/fmaxq.c math/fminq.c math/ilogbq.c \ diff --git a/libquadmath/Makefile.in b/libquadmath/Makefile.in index aad6b71bf9c..94e8014d175 100644 --- a/libquadmath/Makefile.in +++ b/libquadmath/Makefile.in @@ -140,23 +140,24 @@ am__dirstamp = $(am__leading_dot)dirstamp @BUILD_LIBQUADMATH_TRUE@ math/tgammaq.lo math/finiteq.lo \ @BUILD_LIBQUADMATH_TRUE@ math/nextafterq.lo math/truncq.lo \ @BUILD_LIBQUADMATH_TRUE@ math/floorq.lo math/powq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/fmaq.lo math/cacoshq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/cacosq.lo math/casinhq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/casinq.lo math/catanhq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/catanq.lo math/cimagq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/conjq.lo math/cprojq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/crealq.lo math/fdimq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/fmaxq.lo math/fminq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/ilogbq.lo math/llrintq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/log2q.lo math/lrintq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/nearbyintq.lo math/remquoq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/ccoshq.lo math/cexpq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/clog10q.lo math/clogq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/csinq.lo math/csinhq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/csqrtq.lo math/ctanq.lo \ -@BUILD_LIBQUADMATH_TRUE@ math/ctanhq.lo printf/addmul_1.lo \ -@BUILD_LIBQUADMATH_TRUE@ printf/add_n.lo printf/cmp.lo \ -@BUILD_LIBQUADMATH_TRUE@ printf/divrem.lo printf/flt1282mpn.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/fmaq.lo math/logbq.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/cacoshq.lo math/cacosq.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/casinhq.lo math/casinq.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/catanhq.lo math/catanq.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/cimagq.lo math/conjq.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/cprojq.lo math/crealq.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/fdimq.lo math/fmaxq.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/fminq.lo math/ilogbq.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/llrintq.lo math/log2q.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/lrintq.lo math/nearbyintq.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/remquoq.lo math/ccoshq.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/cexpq.lo math/clog10q.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/clogq.lo math/csinq.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/csinhq.lo math/csqrtq.lo \ +@BUILD_LIBQUADMATH_TRUE@ math/ctanq.lo math/ctanhq.lo \ +@BUILD_LIBQUADMATH_TRUE@ printf/addmul_1.lo printf/add_n.lo \ +@BUILD_LIBQUADMATH_TRUE@ printf/cmp.lo printf/divrem.lo \ +@BUILD_LIBQUADMATH_TRUE@ printf/flt1282mpn.lo \ @BUILD_LIBQUADMATH_TRUE@ printf/fpioconst.lo printf/lshift.lo \ @BUILD_LIBQUADMATH_TRUE@ printf/mul_1.lo printf/mul_n.lo \ @BUILD_LIBQUADMATH_TRUE@ printf/mul.lo printf/printf_fphex.lo \ @@ -368,7 +369,7 @@ AUTOMAKE_OPTIONS = 1.8 foreign @BUILD_LIBQUADMATH_TRUE@ math/erfq.c math/logq.c math/sqrtq.c math/expm1q.c math/lroundq.c \ @BUILD_LIBQUADMATH_TRUE@ math/tanhq.c math/expq.c math/modfq.c math/tanq.c math/fabsq.c \ @BUILD_LIBQUADMATH_TRUE@ math/nanq.c math/tgammaq.c math/finiteq.c math/nextafterq.c \ -@BUILD_LIBQUADMATH_TRUE@ math/truncq.c math/floorq.c math/powq.c math/fmaq.c \ +@BUILD_LIBQUADMATH_TRUE@ math/truncq.c math/floorq.c math/powq.c math/fmaq.c math/logbq.c \ @BUILD_LIBQUADMATH_TRUE@ math/cacoshq.c math/cacosq.c math/casinhq.c math/casinq.c \ @BUILD_LIBQUADMATH_TRUE@ math/catanhq.c math/catanq.c math/cimagq.c math/conjq.c math/cprojq.c \ @BUILD_LIBQUADMATH_TRUE@ math/crealq.c math/fdimq.c math/fmaxq.c math/fminq.c math/ilogbq.c \ @@ -607,6 +608,7 @@ math/truncq.lo: math/$(am__dirstamp) math/$(DEPDIR)/$(am__dirstamp) math/floorq.lo: math/$(am__dirstamp) math/$(DEPDIR)/$(am__dirstamp) math/powq.lo: math/$(am__dirstamp) math/$(DEPDIR)/$(am__dirstamp) math/fmaq.lo: math/$(am__dirstamp) math/$(DEPDIR)/$(am__dirstamp) +math/logbq.lo: math/$(am__dirstamp) math/$(DEPDIR)/$(am__dirstamp) math/cacoshq.lo: math/$(am__dirstamp) math/$(DEPDIR)/$(am__dirstamp) math/cacosq.lo: math/$(am__dirstamp) math/$(DEPDIR)/$(am__dirstamp) math/casinhq.lo: math/$(am__dirstamp) math/$(DEPDIR)/$(am__dirstamp) @@ -809,6 +811,8 @@ mostlyclean-compile: -rm -f math/log1pq.lo -rm -f math/log2q.$(OBJEXT) -rm -f math/log2q.lo + -rm -f math/logbq.$(OBJEXT) + -rm -f math/logbq.lo -rm -f math/logq.$(OBJEXT) -rm -f math/logq.lo -rm -f math/lrintq.$(OBJEXT) @@ -967,6 +971,7 @@ distclean-compile: @AMDEP_TRUE@@am__include@ @am__quote@math/$(DEPDIR)/log10q.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@math/$(DEPDIR)/log1pq.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@math/$(DEPDIR)/log2q.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@math/$(DEPDIR)/logbq.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@math/$(DEPDIR)/logq.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@math/$(DEPDIR)/lrintq.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@math/$(DEPDIR)/lroundq.Plo@am__quote@ diff --git a/libquadmath/libquadmath.texi b/libquadmath/libquadmath.texi index 4b8e6983cc0..c25b094feec 100644 --- a/libquadmath/libquadmath.texi +++ b/libquadmath/libquadmath.texi @@ -180,6 +180,7 @@ The following mathematical functions are available: @item @code{lgammaq}: logarithmic gamma function @item @code{llrintq}: round to nearest integer value @item @code{llroundq}: round to nearest integer value away from zero +@item @code{logbq}: get exponent of the value @item @code{logq}: natural logarithm function @item @code{log10q}: base 10 logarithm function @item @code{log1pq}: compute natural logarithm of the value plus one diff --git a/libquadmath/math/logbq.c b/libquadmath/math/logbq.c new file mode 100644 index 00000000000..2e47a4b434a --- /dev/null +++ b/libquadmath/math/logbq.c @@ -0,0 +1,47 @@ +/* s_logbl.c -- long double version of s_logb.c. + * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz. + */ + +/* + * ==================================================== + * 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. + * ==================================================== + */ + +/* + * long double logbl(x) + * IEEE 754 logb. Included to pass IEEE test suite. Not recommend. + * Use ilogb instead. + */ + +#include "quadmath-imp.h" + +__float128 +logbq (__float128 x) +{ + int64_t lx, hx, ex; + + GET_FLT128_WORDS64 (hx, lx, x); + hx &= 0x7fffffffffffffffLL; /* high |x| */ + if ((hx | lx) == 0) + return -1.0 / fabsq (x); + if (hx >= 0x7fff000000000000LL) + return x * x; + if ((ex = hx >> 48) == 0) /* IEEE 754 logb */ + { + /* POSIX specifies that denormal number is treated as + though it were normalized. */ + int ma; + if (hx == 0) + ma = __builtin_clzll (lx) + 64; + else + ma = __builtin_clzll (hx); + ex -= ma - 16; + } + return (__float128) (ex - 16383); +} diff --git a/libquadmath/quadmath.h b/libquadmath/quadmath.h index aa9ef51b391..1555304c7f9 100644 --- a/libquadmath/quadmath.h +++ b/libquadmath/quadmath.h @@ -76,6 +76,7 @@ extern __float128 ldexpq (__float128, int) __quadmath_throw; extern __float128 lgammaq (__float128) __quadmath_throw; extern long long int llrintq (__float128) __quadmath_throw; extern long long int llroundq (__float128) __quadmath_throw; +extern __float128 logbq (__float128) __quadmath_throw; extern __float128 logq (__float128) __quadmath_throw; extern __float128 log10q (__float128) __quadmath_throw; extern __float128 log2q (__float128) __quadmath_throw; diff --git a/libquadmath/quadmath.map b/libquadmath/quadmath.map index 2d20280229e..fe816e3215d 100644 --- a/libquadmath/quadmath.map +++ b/libquadmath/quadmath.map @@ -96,3 +96,8 @@ QUADMATH_1.0 { local: *; }; + +QUADMATH_1.1 { + global: + logbq; +} QUADMATH_1.0; diff --git a/libquadmath/quadmath_weak.h b/libquadmath/quadmath_weak.h index 986079abc40..db5d529612a 100644 --- a/libquadmath/quadmath_weak.h +++ b/libquadmath/quadmath_weak.h @@ -72,6 +72,7 @@ __qmath3 (ldexpq) __qmath3 (lgammaq) __qmath3 (llrintq) __qmath3 (llroundq) +__qmath3 (logbq) __qmath3 (logq) __qmath3 (log10q) __qmath3 (log1pq)