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| author | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
|---|---|---|
| committer | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
| commit | fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch) | |
| tree | bdda434976bc09c864f2e4fa6f16ba1952b1e555 /sys/fmtio/ctor.x | |
| download | iraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz | |
Initial commit
Diffstat (limited to 'sys/fmtio/ctor.x')
| -rw-r--r-- | sys/fmtio/ctor.x | 34 |
1 files changed, 34 insertions, 0 deletions
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 <mach.h> + +# 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 |