Singular Manual: mdouble

| #### 3.8.7.1 mdouble Procedure from library `template.lib` (see template_lib). Usage: mdouble(i); i int Return: int: i+i Note: Help string is in pure ASCII. This line starts on a new line since previous line is short. No new line here. Example:
    LIB "template.lib";
    mdouble(0);
    ==> 0
    mdouble(-1);
    ==> -2
See also: Typesetting of help and info strings; msum; mtriple.

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