X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Frrd_rpncalc.c;h=94796d183500dbca75886514c7ff9794d3be8bb5;hb=110ae8b7e4893e9c641a8fcf9e787e2a0d4988ea;hp=65748cc491cf1933ee48934aa2b7ebb9dc3463dc;hpb=801ce418130e78b4b6818f2c8af85c3ddae400ff;p=rrdtool.git

diff --git a/src/rrd_rpncalc.c b/src/rrd_rpncalc.c
index 65748cc..94796d1 100644
--- a/src/rrd_rpncalc.c
+++ b/src/rrd_rpncalc.c
@@ -153,6 +153,7 @@ void rpn_compact2str(rpn_cdefds_t *rpnc,ds_def_t *ds_def,char **str)
 	  add_op(OP_NOW,NOW)
 	  add_op(OP_LTIME,LTIME)
 	  add_op(OP_TIME,TIME)
+	  add_op(OP_ATAN,ATAN)
 
 #undef add_op
               }
@@ -299,6 +300,7 @@ rpn_parse(void *key_hash,char *expr,long (*lookup)(void *,char*)){
 	match_op(OP_DUP,DUP)
 	match_op(OP_EXC,EXC)
 	match_op(OP_POP,POP)
+	match_op(OP_LTIME,LTIME)
 	match_op(OP_LT,LT)
 	match_op(OP_LE,LE)
 	match_op(OP_GT,GT)
@@ -319,8 +321,8 @@ rpn_parse(void *key_hash,char *expr,long (*lookup)(void *,char*)){
 	match_op(OP_INF,INF)
 	match_op(OP_ISINF,ISINF)
 	match_op(OP_NOW,NOW)
-	match_op(OP_LTIME,LTIME)
 	match_op(OP_TIME,TIME)
+	match_op(OP_ATAN,ATAN)
 
 #undef match_op
 
@@ -501,6 +503,10 @@ rpn_calc(rpnp_t *rpnp, rpnstack_t *rpnstack, long data_idx,
 		stackunderflow(0);
 		rpnstack -> s[stptr] = sin(rpnstack -> s[stptr]);
 		break;
+	    case OP_ATAN:
+		stackunderflow(0);
+		rpnstack -> s[stptr] = atan(rpnstack -> s[stptr]);
+		break;
 	    case OP_COS:
 		stackunderflow(0);
 		rpnstack -> s[stptr] = cos(rpnstack -> s[stptr]);