diff options
Diffstat (limited to 'Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx')
| -rw-r--r-- | Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx index c207d30abf5..c7c07218480 100644 --- a/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx +++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx @@ -1,6 +1,6 @@ % \iffalse meta-comment %% -%% File: l3fp-assign.dtx Copyright (C) 2011-2012 The LaTeX3 project +%% File: l3fp-assign.dtx Copyright (C) 2011-2013 The LaTeX3 project %% %% It may be distributed and/or modified under the conditions of the %% LaTeX Project Public License (LPPL), either version 1.3c of this @@ -36,7 +36,7 @@ % %<*driver> \RequirePackage{l3bootstrap} -\GetIdInfo$Id: l3fp-assign.dtx 4212 2012-09-09 12:24:04Z bruno $ +\GetIdInfo$Id: l3fp-assign.dtx 4605 2013-11-19 03:05:27Z bruno $ {L3 Floating-point assignments} \documentclass[full]{l3doc} \begin{document} @@ -93,15 +93,15 @@ % \fp_gset:Nn, \fp_gset:cn, % \fp_const:Nn, \fp_const:cn % } -% Simply use \cs{@@_parse:n} within various \texttt{x}-expanding +% Simply use \cs{@@_parse:n} within various \texttt{f}-expanding % assignments. % \begin{macrocode} \cs_new_protected:Npn \fp_set:Nn #1#2 - { \tl_set:Nx #1 { \@@_parse:n {#2} } } + { \tl_set:Nx #1 { \exp_not:f { \@@_parse:n {#2} } } } \cs_new_protected:Npn \fp_gset:Nn #1#2 - { \tl_gset:Nx #1 { \@@_parse:n {#2} } } + { \tl_gset:Nx #1 { \exp_not:f { \@@_parse:n {#2} } } } \cs_new_protected:Npn \fp_const:Nn #1#2 - { \tl_const:Nx #1 { \@@_parse:n {#2} } } + { \tl_const:Nx #1 { \exp_not:f { \@@_parse:n {#2} } } } \cs_generate_variant:Nn \fp_set:Nn {c} \cs_generate_variant:Nn \fp_gset:Nn {c} \cs_generate_variant:Nn \fp_const:Nn {c} @@ -212,16 +212,9 @@ % \end{variable} % % \begin{variable}{\c_pi_fp, \c_one_degree_fp} -% We do not round $\pi$ to the closest multiple of $10^{-15}$, which -% would underestimate it by roughly $2.4\cdot 10^{-16}$, but instead -% round it up to the next nearest multiple, which is an overestimate -% by roughly $7.7\cdot 10^{-16}$. This particular choice of rounding -% has very nice properties: it is exactly divisible by $4$ and by -% $180$ as a $16$-digit precision floating point number, hence -% ensuring that $\sin(180\mathrm{deg}) = \sin(\pi) = 0$ exactly, with -% no rounding artifact. +% We simply round $\pi$ to the closest multiple of $10^{-15}$. % \begin{macrocode} -\fp_const:Nn \c_pi_fp { 3.141 5926 5358 9794 } +\fp_const:Nn \c_pi_fp { 3.141 5926 5358 9793 } \fp_const:Nn \c_one_degree_fp { 0.0 1745 3292 5199 4330 } % \end{macrocode} % \end{variable} |