From 06e2cb2b1bd0302b55eeac4a07f67151eb513b18 Mon Sep 17 00:00:00 2001
From: Dale Weiler <killfieldengine@gmail.com>
Date: Mon, 17 Mar 2014 09:39:59 -0400
Subject: [PATCH] Add qc_pow.

---
 exec.c                    | 13 ++++++++++++-
 tests/defs.qh             |  1 +
 tests/exponentiation.qc   | 10 +++++-----
 tests/exponentiation.tmpl |  2 ++
 4 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/exec.c b/exec.c
index 0bf9fdf..70011c9 100644
--- a/exec.c
+++ b/exec.c
@@ -822,6 +822,16 @@ static int qc_floor(qc_program_t *prog) {
     return 0;
 }
 
+static int qc_pow(qc_program_t *prog) {
+    qcany_t *base, *exp, out;
+    CheckArgs(2);
+    base = GetArg(0);
+    exp = GetArg(1);
+    out._float = pow(base->_float, exp->_float);
+    Return(out);
+    return 0;
+}
+
 static prog_builtin_t qc_builtins[] = {
     NULL,
     &qc_print,       /*   1   */
@@ -837,7 +847,8 @@ static prog_builtin_t qc_builtins[] = {
     &qc_strcmp,      /*   11  */
     &qc_normalize,   /*   12  */
     &qc_sqrt,        /*   13  */
-    &qc_floor        /*   14  */
+    &qc_floor,       /*   14  */
+    &qc_pow          /*   15  */
 };
 
 static const char *arg0 = NULL;
diff --git a/tests/defs.qh b/tests/defs.qh
index 772797a..ed8a5df 100644
--- a/tests/defs.qh
+++ b/tests/defs.qh
@@ -17,3 +17,4 @@ float  (string, string) strcmp    = #11;
 vector (vector)         normalize = #12;
 float  (float)          sqrt      = #13;
 float  (float)          floor     = #14;
+float  (float, float)   pow       = #15;
diff --git a/tests/exponentiation.qc b/tests/exponentiation.qc
index 5b8f24e..199c4af 100644
--- a/tests/exponentiation.qc
+++ b/tests/exponentiation.qc
@@ -1,13 +1,13 @@
-float pow(float x, float y) {
-    return __builtin_pow(x, y);
-}
-
 void main() {
-    float hundy = pow(10, 2); // 10^2 == 100
+    float hundy = __builtin_pow(10, 2); // 10^2 == 100
     print(ftos(hundy), "\n");      // prints: 100
 
+    hundy = pow(10, 2);
+    print(ftos(hundy), "\n");
+
     hundy -= 90; // 100-90 = 10
     print(ftos(hundy ** 2), "\n"); // prints: 100
+    print(ftos(pow(hundy, 2)), "\n"); // prints: 100
 
     hundy = 10.0f;
     print(ftos(__builtin_exp(hundy)), "\n"); // prints: 22026.5
diff --git a/tests/exponentiation.tmpl b/tests/exponentiation.tmpl
index 0aa7f85..8609624 100644
--- a/tests/exponentiation.tmpl
+++ b/tests/exponentiation.tmpl
@@ -6,4 +6,6 @@ C: -std=gmqcc
 E: $null
 M: 100
 M: 100
+M: 100
+M: 100
 M: 22026.5
-- 
2.39.2