diff options
Diffstat (limited to 'metapost')
-rw-r--r-- | metapost/context/base/mpiv/mp-tool.mpiv | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/metapost/context/base/mpiv/mp-tool.mpiv b/metapost/context/base/mpiv/mp-tool.mpiv index ae2ce3435..e57c703eb 100644 --- a/metapost/context/base/mpiv/mp-tool.mpiv +++ b/metapost/context/base/mpiv/mp-tool.mpiv @@ -375,6 +375,7 @@ vardef asinh primary x = ln(x+(x++1)) enddef ; vardef sinh primary x = save xx ; xx = exp x ; (xx-1/xx)/2 enddef ; vardef cosh primary x = save xx ; xx = exp x ; (xx+1/xx)/2 enddef ; +vardef tanh primary x = save xx ; xx = exp x ; (xx-1/xx)/(xx+1/xx) enddef ; %D Like mod, but useful for anglesl it returns (-.5d,+.5d] and is used %D in for instance mp-chem. |