Follow-up Comment #1, bug #57071 (project avr-libc):
* include/math.h
(cos, sin, tan, fmod, modf, sqrt, cbrt, hypot, square, floor, ceil)
(frexp, ldexp, exp, cosh, sinh, tanh, asin, acos, atan, atan2)
(log, log10, pow, isnan, isinf, signbit, fdim, fma, fmax, fmin)
(trunc, round, lround, lrint) [double=64-bit]: Provide double
prototypes.
[double=32-bit]: Provide protos with assembler names which are
the corresponding float function name.
(cosf, sinf, tanf, fmodf, modff, sqrtf, cbrtf, hypotf, squaref)
(floorf, ceilf, frexpf, ldexpf, expf, coshf, sinhf, tanhf, asinf)
(acosf, atanf, atan2f, logf, log10f, powf, isnanf, isinff)
(signbitf, fdimf, fmaf, fmaxf, fmin, truncf, roundf, lroundf)
(lrintf):
Turn from macro to proper prototype.
(fabs, fabsf, isfinite, isfinitef, copysign, copysignf): Implement.
libm/fplib/
* libm/fplib/acos.S: Use correct names for functions that deal
with float, e.g. acosf instead of acos. Adjust comments.
* libm/fplib/asin.S: Same.
* libm/fplib/atan.S: Same.
* libm/fplib/atan2.S: Same.
* libm/fplib/cbrt.S: Same.
* libm/fplib/ceil.S: Same.
* libm/fplib/copysign.S: Same.
* libm/fplib/cos.S: Same.
* libm/fplib/cosh.S: Same.
* libm/fplib/exp.S: Same.
* libm/fplib/fdim.S: Same.
* libm/fplib/floor.S: Same.
* libm/fplib/fma.S: Same.
* libm/fplib/fmax.S: Same.
* libm/fplib/fmin.S: Same.
* libm/fplib/fmod.S: Same.
* libm/fplib/fp_arccos.S: Same.
* libm/fplib/frexp.S: Same.
* libm/fplib/hypot.S: Same.
* libm/fplib/isfinite.S: Same.
* libm/fplib/isinf.S: Same.
* libm/fplib/isnan.S: Same.
* libm/fplib/ldexp.S: Same.
* libm/fplib/log.S: Same.
* libm/fplib/log10.S: Same.
* libm/fplib/lrint.S: Same.
* libm/fplib/lround.S: Same.
* libm/fplib/modf.S: Same.
* libm/fplib/pow.S: Same.
* libm/fplib/round.S: Same.
* libm/fplib/signbit.S: Same.
* libm/fplib/sin.S: Same.
* libm/fplib/sinh.S: Same.
* libm/fplib/sqrt.S: Same.
* libm/fplib/square.S: Same.
* libm/fplib/tan.S: Same.
* libm/fplib/tanh.S: Same.
* libm/fplib/trunc.S: Same.
(file #47705)
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