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Changed error handling a bit. te_interp returns NaN for bad expressions.

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Lewis Van Winkle
2016-01-23 12:09:38 -06:00
parent b7af2e3751
commit 1ee637afef
5 changed files with 63 additions and 31 deletions
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README.md
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@@ -86,7 +86,7 @@ line. It also does error checking and binds the variables *x* and *y*.
printf("\t%*s^\nError near here", err-1, "");
}
/* te_free should always be called after te_compile. */
/* te_free is safe to call on null. */
te_free(n);
return 0;
@@ -235,9 +235,6 @@ In addition, the following C math functions are also supported:
- All functions/types start with the letters *te*.
- Remember to always call *te_free* on the result of *te_compile*, even if
there is an error.
- If there is an error, you can usually still evaluate the first part of the
expression. This may or may not be useful to you.