12188b77a2
exp(x) scaled down by some factor, and the challenge is doing this accurately when exp(x) would overflow. This change replaces all of the tricks we've been using with common __ldexp_exp() and __ldexp_cexp() routines that handle all the scaling. bde plans to improve on this further by moving the guts of exp() into k_exp.c and handling the scaling in a more direct manner. But the current approach is simple and adequate for now.
213 lines
8.0 KiB
Makefile
213 lines
8.0 KiB
Makefile
# @(#)Makefile 5.1beta 93/09/24
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# $FreeBSD$
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#
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# ====================================================
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# Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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#
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# Developed at SunPro, a Sun Microsystems, Inc. business.
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# Permission to use, copy, modify, and distribute this
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# software is freely granted, provided that this notice
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# is preserved.
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# ====================================================
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#
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#
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.if ${MACHINE_CPUARCH} == "i386"
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ARCH_SUBDIR= i387
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.else
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ARCH_SUBDIR= ${MACHINE_CPUARCH}
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.endif
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.include "${ARCH_SUBDIR}/Makefile.inc"
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.PATH: ${.CURDIR}/${ARCH_SUBDIR}
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# long double format
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.if ${LDBL_PREC} == 64
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.PATH: ${.CURDIR}/ld80
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CFLAGS+= -I${.CURDIR}/ld80
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.elif ${LDBL_PREC} == 113
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.PATH: ${.CURDIR}/ld128
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CFLAGS+= -I${.CURDIR}/ld128
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.endif
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.PATH: ${.CURDIR}/bsdsrc
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.PATH: ${.CURDIR}/src
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.PATH: ${.CURDIR}/man
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LIB= m
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SHLIBDIR?= /lib
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SHLIB_MAJOR= 5
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WARNS?= 1
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COMMON_SRCS= b_exp.c b_log.c b_tgamma.c \
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e_acos.c e_acosf.c e_acosh.c e_acoshf.c e_asin.c e_asinf.c \
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e_atan2.c e_atan2f.c e_atanh.c e_atanhf.c e_cosh.c e_coshf.c e_exp.c \
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e_expf.c e_fmod.c e_fmodf.c e_gamma.c e_gamma_r.c e_gammaf.c \
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e_gammaf_r.c e_hypot.c e_hypotf.c e_j0.c e_j0f.c e_j1.c e_j1f.c \
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e_jn.c e_jnf.c e_lgamma.c e_lgamma_r.c e_lgammaf.c e_lgammaf_r.c \
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e_log.c e_log10.c e_log10f.c e_log2.c e_log2f.c e_logf.c \
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e_pow.c e_powf.c e_rem_pio2.c \
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e_rem_pio2f.c e_remainder.c e_remainderf.c e_scalb.c e_scalbf.c \
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e_sinh.c e_sinhf.c e_sqrt.c e_sqrtf.c fenv.c \
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k_cos.c k_cosf.c k_exp.c k_expf.c k_rem_pio2.c k_sin.c k_sinf.c \
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k_tan.c k_tanf.c \
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s_asinh.c s_asinhf.c s_atan.c s_atanf.c s_carg.c s_cargf.c s_cargl.c \
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s_cbrt.c s_cbrtf.c s_ceil.c s_ceilf.c \
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s_copysign.c s_copysignf.c s_cos.c s_cosf.c \
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s_csqrt.c s_csqrtf.c s_erf.c s_erff.c \
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s_exp2.c s_exp2f.c s_expm1.c s_expm1f.c s_fabsf.c s_fdim.c \
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s_finite.c s_finitef.c \
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s_floor.c s_floorf.c s_fma.c s_fmaf.c \
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s_fmax.c s_fmaxf.c s_fmaxl.c s_fmin.c \
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s_fminf.c s_fminl.c s_frexp.c s_frexpf.c s_ilogb.c s_ilogbf.c \
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s_ilogbl.c s_isfinite.c s_isnan.c s_isnormal.c \
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s_llrint.c s_llrintf.c s_llround.c s_llroundf.c s_llroundl.c \
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s_log1p.c s_log1pf.c s_logb.c s_logbf.c s_lrint.c s_lrintf.c \
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s_lround.c s_lroundf.c s_lroundl.c s_modff.c \
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s_nan.c s_nearbyint.c s_nextafter.c s_nextafterf.c \
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s_nexttowardf.c s_remquo.c s_remquof.c \
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s_rint.c s_rintf.c s_round.c s_roundf.c s_roundl.c \
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s_scalbln.c s_scalbn.c s_scalbnf.c s_signbit.c \
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s_signgam.c s_significand.c s_significandf.c s_sin.c s_sinf.c \
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s_tan.c s_tanf.c s_tanh.c s_tanhf.c s_tgammaf.c s_trunc.c s_truncf.c \
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w_cabs.c w_cabsf.c w_drem.c w_dremf.c
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# Location of fpmath.h and _fpmath.h
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LIBCDIR= ${.CURDIR}/../libc
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.if exists(${LIBCDIR}/${MACHINE_ARCH})
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LIBC_ARCH=${MACHINE_ARCH}
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.else
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LIBC_ARCH=${MACHINE_CPUARCH}
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.endif
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CFLAGS+= -I${.CURDIR}/src -I${LIBCDIR}/include \
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-I${LIBCDIR}/${LIBC_ARCH}
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SYM_MAPS+= ${.CURDIR}/Symbol.map
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VERSION_DEF= ${LIBCDIR}/Versions.def
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SYMBOL_MAPS= ${SYM_MAPS}
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# C99 long double functions
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COMMON_SRCS+= s_copysignl.c s_fabsl.c s_llrintl.c s_lrintl.c s_modfl.c
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.if ${LDBL_PREC} != 53
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# If long double != double use these; otherwise, we alias the double versions.
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COMMON_SRCS+= e_acosl.c e_asinl.c e_atan2l.c e_fmodl.c \
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e_hypotl.c e_remainderl.c e_sqrtl.c \
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invtrig.c k_cosl.c k_sinl.c k_tanl.c \
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s_atanl.c s_cbrtl.c s_ceill.c s_cosl.c s_cprojl.c \
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s_csqrtl.c s_exp2l.c s_floorl.c s_fmal.c \
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s_frexpl.c s_logbl.c s_nanl.c s_nextafterl.c s_nexttoward.c \
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s_remquol.c s_rintl.c s_scalbnl.c \
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s_sinl.c s_tanl.c s_truncl.c w_cabsl.c
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.endif
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# C99 complex functions
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COMMON_SRCS+= s_ccosh.c s_ccoshf.c s_cexp.c s_cexpf.c \
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s_cimag.c s_cimagf.c s_cimagl.c \
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s_conj.c s_conjf.c s_conjl.c \
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s_cproj.c s_cprojf.c s_creal.c s_crealf.c s_creall.c \
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s_csinh.c s_csinhf.c s_ctanh.c s_ctanhf.c
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# FreeBSD's C library supplies these functions:
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#COMMON_SRCS+= s_fabs.c s_frexp.c s_isnan.c s_ldexp.c s_modf.c
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# Exclude the generic versions of what we provide in the MD area.
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.if defined(ARCH_SRCS)
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.for i in ${ARCH_SRCS}
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COMMON_SRCS:= ${COMMON_SRCS:N${i:R}.c}
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.endfor
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.endif
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# Some files need certain gcc built-in functions to be disabled, since gcc's
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# model of the functions bogusly assumes -fno-trapping-math.
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XRINT_CFLAGS= -fno-builtin-rint -fno-builtin-rintf -fno-builtin-rintl
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CFLAGS+= ${XRINT_CFLAGS}
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XRINT_CFLAGS:= ${.IMPSRC:M*/s_nearbyint.c:C/^.+$/${XRINT_CFLAGS}/:C/^$//}
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SRCS= ${COMMON_SRCS} ${ARCH_SRCS}
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INCS= fenv.h math.h
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MAN= acos.3 acosh.3 asin.3 asinh.3 atan.3 atan2.3 atanh.3 \
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ceil.3 ccos.3 ccosh.3 cexp.3 \
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cimag.3 copysign.3 cos.3 cosh.3 csqrt.3 erf.3 exp.3 fabs.3 fdim.3 \
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feclearexcept.3 feenableexcept.3 fegetenv.3 \
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fegetround.3 fenv.3 floor.3 \
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fma.3 fmax.3 fmod.3 hypot.3 ieee.3 ieee_test.3 ilogb.3 j0.3 \
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lgamma.3 log.3 lrint.3 lround.3 math.3 nan.3 \
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nextafter.3 remainder.3 rint.3 \
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round.3 scalbn.3 signbit.3 sin.3 sinh.3 sqrt.3 tan.3 tanh.3 trunc.3 \
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complex.3
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MLINKS+=acos.3 acosf.3 acos.3 acosl.3
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MLINKS+=acosh.3 acoshf.3
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MLINKS+=asin.3 asinf.3 asin.3 asinl.3
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MLINKS+=asinh.3 asinhf.3
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MLINKS+=atan.3 atanf.3 atan.3 atanl.3
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MLINKS+=atanh.3 atanhf.3
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MLINKS+=atan2.3 atan2f.3 atan2.3 atan2l.3 \
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atan2.3 carg.3 atan2.3 cargf.3 atan2.3 cargl.3
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MLINKS+=ccos.3 ccosf.3 ccos.3 csin.3 ccos.3 csinf.3 ccos.3 ctan.3 ccos.3 ctanf.3
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MLINKS+=ccosh.3 ccoshf.3 ccosh.3 csinh.3 ccosh.3 csinhf.3 \
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ccosh.3 ctanh.3 ccosh.3 ctanhf.3
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MLINKS+=ceil.3 ceilf.3 ceil.3 ceill.3
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MLINKS+=cexp.3 cexpf.3
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MLINKS+=cimag.3 cimagf.3 cimag.3 cimagl.3 \
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cimag.3 conj.3 cimag.3 conjf.3 cimag.3 conjl.3 \
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cimag.3 cproj.3 cimag.3 cprojf.3 cimag.3 cprojl.3 \
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cimag.3 creal.3 cimag.3 crealf.3 cimag.3 creall.3
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MLINKS+=copysign.3 copysignf.3 copysign.3 copysignl.3
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MLINKS+=cos.3 cosf.3 cos.3 cosl.3
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MLINKS+=cosh.3 coshf.3
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MLINKS+=csqrt.3 csqrtf.3 csqrt.3 csqrtl.3
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MLINKS+=erf.3 erfc.3 erf.3 erff.3 erf.3 erfcf.3
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MLINKS+=exp.3 expm1.3 exp.3 expm1f.3 exp.3 pow.3 exp.3 powf.3 \
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exp.3 exp2.3 exp.3 exp2f.3 exp.3 exp2l.3 exp.3 expf.3
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MLINKS+=fabs.3 fabsf.3 fabs.3 fabsl.3
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MLINKS+=fdim.3 fdimf.3 fdim.3 fdiml.3
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MLINKS+=feclearexcept.3 fegetexceptflag.3 feclearexcept.3 feraiseexcept.3 \
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feclearexcept.3 fesetexceptflag.3 feclearexcept.3 fetestexcept.3
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MLINKS+=feenableexcept.3 fedisableexcept.3 feenableexcept.3 fegetexcept.3
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MLINKS+=fegetenv.3 feholdexcept.3 fegetenv.3 fesetenv.3 \
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fegetenv.3 feupdateenv.3
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MLINKS+=fegetround.3 fesetround.3
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MLINKS+=floor.3 floorf.3 floor.3 floorl.3
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MLINKS+=fma.3 fmaf.3 fma.3 fmal.3
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MLINKS+=fmax.3 fmaxf.3 fmax.3 fmaxl.3 \
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fmax.3 fmin.3 fmax.3 fminf.3 fmax.3 fminl.3
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MLINKS+=fmod.3 fmodf.3 fmod.3 fmodl.3
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MLINKS+=hypot.3 cabs.3 hypot.3 cabsf.3 hypot.3 cabsl.3 \
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hypot.3 hypotf.3 hypot.3 hypotl.3
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MLINKS+=ieee_test.3 scalb.3 ieee_test.3 scalbf.3
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MLINKS+=ieee_test.3 significand.3 ieee_test.3 significandf.3
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MLINKS+=ilogb.3 ilogbf.3 ilogb.3 ilogbl.3 \
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ilogb.3 logb.3 ilogb.3 logbf.3 ilogb.3 logbl.3
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MLINKS+=j0.3 j1.3 j0.3 jn.3 j0.3 y0.3 j0.3 y1.3 j0.3 y1f.3 j0.3 yn.3
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MLINKS+=j0.3 j0f.3 j0.3 j1f.3 j0.3 jnf.3 j0.3 y0f.3 j0.3 ynf.3
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MLINKS+=lgamma.3 gamma.3 lgamma.3 gammaf.3 lgamma.3 lgammaf.3 \
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lgamma.3 tgamma.3 lgamma.3 tgammaf.3
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MLINKS+=log.3 log10.3 log.3 log10f.3 log.3 log1p.3 log.3 log1pf.3 log.3 logf.3 log.3 log2.3 log.3 log2f.3
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MLINKS+=lrint.3 llrint.3 lrint.3 llrintf.3 lrint.3 llrintl.3 \
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lrint.3 lrintf.3 lrint.3 lrintl.3
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MLINKS+=lround.3 llround.3 lround.3 llroundf.3 lround.3 llroundl.3 \
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lround.3 lroundf.3 lround.3 lroundl.3
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MLINKS+=nan.3 nanf.3 nan.3 nanl.3
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MLINKS+=nextafter.3 nextafterf.3 nextafter.3 nextafterl.3
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MLINKS+=nextafter.3 nexttoward.3 nextafter.3 nexttowardf.3
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MLINKS+=nextafter.3 nexttowardl.3
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MLINKS+=remainder.3 remainderf.3 remainder.3 remainderl.3 \
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remainder.3 remquo.3 remainder.3 remquof.3 remainder.3 remquol.3
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MLINKS+=rint.3 rintf.3 rint.3 rintl.3 \
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rint.3 nearbyint.3 rint.3 nearbyintf.3 rint.3 nearbyintl.3
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MLINKS+=round.3 roundf.3 round.3 roundl.3
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MLINKS+=scalbn.3 scalbln.3 scalbn.3 scalblnf.3 scalbn.3 scalblnl.3
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MLINKS+=scalbn.3 scalbnf.3 scalbn.3 scalbnl.3
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MLINKS+=sin.3 sinf.3 sin.3 sinl.3
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MLINKS+=sinh.3 sinhf.3
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MLINKS+=sqrt.3 cbrt.3 sqrt.3 cbrtf.3 sqrt.3 cbrtl.3 sqrt.3 sqrtf.3 \
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sqrt.3 sqrtl.3
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MLINKS+=tan.3 tanf.3 tan.3 tanl.3
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MLINKS+=tanh.3 tanhf.3
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MLINKS+=trunc.3 truncf.3 trunc.3 truncl.3
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.include <bsd.lib.mk>
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