int STdec1double (const char String[], double *Dval)
Purpose
Decode a double value
Description
This routine decodes a string containing a numeric value. The decoded datum
is stored as a double value. If a decoding error is detected, a warning
message is printed and error status is set. A warning messages is printed
if extra data follows the requested value (this data is ignored).
Parameters
<- int STdec1double
Error status,
0 - no error
1 - error, too few values or data format error
2 - warning, data values too large or too small
-> const char String[]
Input string
<- double *Dval
Returned value. This value is not changed if an error status is
returned.