From 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 Mon Sep 17 00:00:00 2001 From: Joe Hunkeler Date: Tue, 11 Aug 2015 16:51:37 -0400 Subject: Repatch (from linux) of OSX IRAF --- sys/fmtio/ctor.x | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 sys/fmtio/ctor.x (limited to 'sys/fmtio/ctor.x') diff --git a/sys/fmtio/ctor.x b/sys/fmtio/ctor.x new file mode 100644 index 00000000..a8fd16f1 --- /dev/null +++ b/sys/fmtio/ctor.x @@ -0,0 +1,34 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +include + +# CTOR -- Character to real. The number of characters converted to produce +# the output number is returned as the function value (0 is returned if the +# input cannot be interpreted as a number). + +int procedure ctor (str, ip, rval) + +char str[ARB] # input string to be decoded +int ip # first character to be used in string +real rval # decoded real value (output) + +double dval +int nchars, expon +int ctod() + +begin + nchars = ctod (str, ip, dval) + if (abs(dval) > EPSILOND) + expon = int (log10 (abs(dval))) + else + expon = 0 + + if (IS_INDEFD(dval)) + rval = INDEFR + else if (expon > MAX_EXPONENTR) + return (0) + else + rval = dval + + return (nchars) +end -- cgit