1 files changed, 55 insertions, 0 deletions
diff --git a/pkg/utilities/nttools/tjoin/readtol.x b/pkg/utilities/nttools/tjoin/readtol.x
new file mode 100644
index 00000000..4b35f522
--- /dev/null
+++ b/pkg/utilities/nttools/tjoin/readtol.x
@@ -0,0 +1,55 @@
+include	"tjoin.h"
+define	SZ_VALUE	30
+
+# B.Simon	16-Apr-99	first code
+
+# READ_TOL -- Parse the string containing the vector of tolerance values
+
+pointer procedure read_tol (tolerance)
+
+char	tolerance[ARB]	# i: Comma separated string of tolerance values
+#--
+int	ic, jc, nc, ival
+pointer	sp, value, errtxt, tol
+
+string	badvalue  "Invalid value in tolerance (%s)"
+string	negvalue  "Negative value in tolerance (%g)"
+
+bool	is_number()
+int	word_count(), word_fetch(), ctod()
+
+begin
+	call smark (sp)
+	call salloc (value, SZ_VALUE, TY_CHAR)
+	call salloc (errtxt, SZ_LINE, TY_CHAR)
+
+	call malloc (tol, LEN_TOLSTRUCT, TY_INT)
+
+	TOL_NUM(tol) = word_count (tolerance)
+	call malloc (TOL_PTR(tol), TOL_NUM(tol), TY_DOUBLE)
+
+	ic = 1
+	ival = 1
+	while (word_fetch (tolerance, ic, Memc[value], SZ_VALUE) > 0) {
+	    if (! is_number (Memc[value])) {
+		call sprintf (Memc[errtxt], SZ_LINE, badvalue)
+		call pargstr (Memc[value])
+		call error (1, Memc[errtxt])
+	    }
+
+	    jc = 1
+	    nc = ctod (Memc[value], jc, TOL_VAL(tol,ival))
+
+	    if (TOL_VAL(tol,ival) < 0.0) {
+		call sprintf (Memc[errtxt], SZ_LINE, negvalue)
+		call pargd (TOL_VAL(tol,ival))
+		call error (1, Memc[errtxt])
+	    }
+
+	    ival = ival + 1
+	}
+
+	call sfree (sp)
+	return (tol)
+end
+