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-rw-r--r--src/mp-equation.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mp-equation.c b/src/mp-equation.c
index cba203f..cec5536 100644
--- a/src/mp-equation.c
+++ b/src/mp-equation.c
@@ -141,6 +141,7 @@ function_is_defined(MPEquationParserState *state, const char *name)
strcmp(lower_name, "im") == 0 ||
strcmp(lower_name, "sin") == 0 || strcmp(lower_name, "cos") == 0 || strcmp(lower_name, "tan") == 0 ||
strcmp(lower_name, "sin⁻¹") == 0 || strcmp(lower_name, "cos⁻¹") == 0 || strcmp(lower_name, "tan⁻¹") == 0 ||
+ strcmp(lower_name, "asin") == 0 || strcmp(lower_name, "acos") == 0 || strcmp(lower_name, "atan") == 0 ||
strcmp(lower_name, "sinh") == 0 || strcmp(lower_name, "cosh") == 0 || strcmp(lower_name, "tanh") == 0 ||
strcmp(lower_name, "sinh⁻¹") == 0 || strcmp(lower_name, "cosh⁻¹") == 0 || strcmp(lower_name, "tanh⁻¹") == 0 ||
strcmp(lower_name, "asinh") == 0 || strcmp(lower_name, "acosh") == 0 || strcmp(lower_name, "atanh") == 0 ||