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-rw-r--r--eval.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/eval.c b/eval.c
index 4a028ca4..3fdee26f 100644
--- a/eval.c
+++ b/eval.c
@@ -2191,6 +2191,9 @@ void eval_init(void)
reg_fun(intern(lit("ceil"), user_package), func_n1(ceili));
reg_fun(intern(lit("sin"), user_package), func_n1(sine));
reg_fun(intern(lit("cos"), user_package), func_n1(cosi));
+ reg_fun(intern(lit("tan"), user_package), func_n1(tang));
+ reg_fun(intern(lit("asin"), user_package), func_n1(asine));
+ reg_fun(intern(lit("acos"), user_package), func_n1(acosi));
reg_fun(intern(lit("atan"), user_package), func_n1(atang));
reg_fun(intern(lit("log"), user_package), func_n1(loga));
reg_fun(intern(lit("exp"), user_package), func_n1(expo));