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| author | rsc <devnull@localhost> | 2005-01-14 17:37:50 +0000 |
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| committer | rsc <devnull@localhost> | 2005-01-14 17:37:50 +0000 |
| commit | adc93f6097615f16d57e8a24a256302f2144ec4e (patch) | |
| tree | e190b0616aa060c646d62de835babf8396d36ccd /man/man1/hoc.html | |
| parent | 1ac1981659ba7abcc1c76436e4b4dfc2bc616d2a (diff) | |
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cut out the html - they're going to cause diffing problems.
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| -rw-r--r-- | man/man1/hoc.html | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/man/man1/hoc.html b/man/man1/hoc.html deleted file mode 100644 index 21107e8e..00000000 --- a/man/man1/hoc.html +++ /dev/null @@ -1,136 +0,0 @@ -<head> -<title>hoc(1) - Plan 9 from User Space</title> -<meta content="text/html; charset=utf-8" http-equiv=Content-Type> -</head> -<body bgcolor=#ffffff> -<table border=0 cellpadding=0 cellspacing=0 width=100%> -<tr height=10><td> -<tr><td width=20><td> -<tr><td width=20><td><b>HOC(1)</b><td align=right><b>HOC(1)</b> -<tr><td width=20><td colspan=2> - <br> -<p><font size=+1><b>NAME </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - hoc – interactive floating point language<br> - -</table> -<p><font size=+1><b>SYNOPSIS </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <tt><font size=+1>hoc</font></tt> [ <i>file ...</i> ] [ <tt><font size=+1>−e</font></tt> <i>expression</i> ]<br> - -</table> -<p><font size=+1><b>DESCRIPTION </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <i>Hoc</i> interprets a simple language for floating point arithmetic, - at about the level of BASIC, with C-like syntax and functions. - - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - The named <i>files</i> are read and interpreted in order. If no <i>file</i> - is given or if <i>file</i> is <tt><font size=+1>−</font></tt> <i>hoc</i> interprets the standard input. The - <tt><font size=+1>−e</font></tt> option allows input to <i>hoc</i> to be specified on the command line, - to be treated as if it appeared in a file. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - <i>Hoc</i> input consists of <i>expressions</i> and <i>statements</i>. Expressions - are evaluated and their results printed. Statements, typically - assignments and function or procedure definitions, produce no - output unless they explicitly call <i>print</i>. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - Variable names have the usual syntax, including <tt><font size=+1>_</font></tt>; the name <tt><font size=+1>_</font></tt> - by itself contains the value of the last expression evaluated. - The variables <tt><font size=+1>E</font></tt>, <tt><font size=+1>PI</font></tt>, <tt><font size=+1>PHI</font></tt>, <tt><font size=+1>GAMMA</font></tt> and <tt><font size=+1>DEG</font></tt> are predefined; the last - is 59.25..., degrees per radian. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - Expressions are formed with these C-like operators, listed by - decreasing precedence.<br> - <tt><font size=+1>^</font></tt> exponentiation<br> - <tt><font size=+1>! − ++ −−<br> - * / %<br> - + −<br> - > >= < <= == !=<br> - &&<br> - ||<br> - = += −= *= /= %=<br> - - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - </font></tt> - Built in functions are <tt><font size=+1>abs</font></tt>, <tt><font size=+1>acos</font></tt>, <tt><font size=+1>asin</font></tt>, <tt><font size=+1>atan</font></tt> (one argument), <tt><font size=+1>cos</font></tt>, - <tt><font size=+1>cosh</font></tt>, <tt><font size=+1>exp</font></tt>, <tt><font size=+1>int</font></tt>, <tt><font size=+1>log</font></tt>, <tt><font size=+1>log10</font></tt>, <tt><font size=+1>sin</font></tt>, <tt><font size=+1>sinh</font></tt>, <tt><font size=+1>sqrt</font></tt>, <tt><font size=+1>tan</font></tt>, and <tt><font size=+1>tanh</font></tt>. The - function <tt><font size=+1>read(x)</font></tt> reads a value into the variable <tt><font size=+1>x</font></tt> and returns - 0 at EOF; the statement <tt><font size=+1>print</font></tt> prints a list of expressions that - may include string constants such as - <tt><font size=+1>"hello\n"</font></tt>. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - <tt><font size=+1> - </font></tt>Control flow statements are <tt><font size=+1>if</font></tt>-<tt><font size=+1>else</font></tt>, <tt><font size=+1>while</font></tt>, and <tt><font size=+1>for</font></tt>, with braces - for grouping. Newline ends a statement. Backslash-newline is equivalent - to a space. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - Functions and procedures are introduced by the words <tt><font size=+1>func</font></tt> and - <tt><font size=+1>proc</font></tt>; <tt><font size=+1>return</font></tt> is used to return with a value from a function.<br> - -</table> -<p><font size=+1><b>EXAMPLES </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <tt><font size=+1>func gcd(a, b) {<br> - - <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - temp = abs(a) % abs(b)<br> - if(temp == 0) return abs(b)<br> - return gcd(b, temp)<br> - - </table> - }<br> - for(i=1; i<12; i++) print gcd(i,12)<br> - </font></tt> -</table> -<p><font size=+1><b>SOURCE </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <tt><font size=+1>/usr/local/plan9/src/cmd/hoc<br> - </font></tt> -</table> -<p><font size=+1><b>SEE ALSO </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <a href="../man1/bc.html"><i>bc</i>(1)</a>, <a href="../man1/dc.html"><i>dc</i>(1)</a><br> - B. W. Kernighan and R. Pike, <i>The Unix Programming Environment,</i> - Prentice-Hall, 1984<br> - -</table> -<p><font size=+1><b>BUGS </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - Error recovery is imperfect within function and procedure definitions.<br> - -</table> - -<td width=20> -<tr height=20><td> -</table> -<!-- TRAILER --> -<table border=0 cellpadding=0 cellspacing=0 width=100%> -<tr height=15><td width=10><td><td width=10> -<tr><td><td> -<center> -<a href="../../"><img src="../../dist/spaceglenda100.png" alt="Space Glenda" border=1></a> -</center> -</table> -<!-- TRAILER --> -</body></html> |