From 747334f8411a7ef22aa7e67cfa63d17c486b9cce Mon Sep 17 00:00:00 2001
From: Endre Simo <esimovaq@yahoo.com>
Date: Wed, 6 Feb 2019 16:18:04 +0200
Subject: [PATCH] remove if condition

---
 examples/python/demo.py |  2 +-
 examples/python/pigo.go | 46 ++++++++++++++++++++---------------------
 2 files changed, 23 insertions(+), 25 deletions(-)

diff --git a/examples/python/demo.py b/examples/python/demo.py
index be7b2f3..93a86bb 100644
--- a/examples/python/demo.py
+++ b/examples/python/demo.py
@@ -21,7 +21,7 @@ class GoPixelSlice(Structure):
 
 # Obtain the camera pixels and transfer them to Go trough Ctypes.
 def process_frame(pixs):
-	dets = numpy.zeros(3*MAX_NDETS, dtype=numpy.float32)
+	dets = numpy.zeros(3 * MAX_NDETS, dtype=numpy.float32)
 	pixels = cast((c_ubyte * len(pixs))(*pixs), POINTER(c_ubyte))
 	
 	# call FindFaces
diff --git a/examples/python/pigo.go b/examples/python/pigo.go
index 6a267f8..cdddea1 100644
--- a/examples/python/pigo.go
+++ b/examples/python/pigo.go
@@ -34,38 +34,36 @@ func FindFaces(pixels []uint8) uintptr {
 		}
 	}
 
-	if len(result) > 0 {
-		// Since we cannot transfer a 2d array trough an array pointer
-		// we have to transform it into 1d array.
-		go func() {
-			det := make([]int, 0, len(result))
-			for _, v := range result {
-				det = append(det, v...)
-			}
-			fmt.Println(det)
-			// Include as a first slice element the number of detected faces.
-			// We need to transfer this value in order to define the Python array buffer length.
-			det = append([]int{len(result), 0, 0}, det...)
+	// Since in Go we cannot transfer a 2d array trough an array pointer
+	// we have to transform it into 1d array.
+	go func() {
+		det := make([]int, 0, len(result))
+		for _, v := range result {
+			det = append(det, v...)
+		}
+		fmt.Println(det)
+		// Include as a first slice element the number of detected faces.
+		// We need to transfer this value in order to define the Python array buffer length.
+		det = append([]int{len(result), 0, 0}, det...)
 
-			// Convert the slice into an array pointer.
-			s := *(*[]int)(unsafe.Pointer(&det))
-			p := uintptr(unsafe.Pointer(&s[0]))
+		// Convert the slice into an array pointer.
+		s := *(*[]int)(unsafe.Pointer(&det))
+		p := uintptr(unsafe.Pointer(&s[0]))
 
-			// Ensure `det` is not freed up by GC prematurely.
-			runtime.KeepAlive(det)
-			// return the pointer address
-			pointCh <- p
-		}()
-		return <-pointCh
-	}
-	return 0
+		// Ensure `det` is not freed up by GC prematurely.
+		runtime.KeepAlive(det)
+
+		// return the pointer address
+		pointCh <- p
+	}()
+	return <-pointCh
 }
 
 // clusterDetection runs Pigo face detector core methods
 // and returns a cluster with the detected faces coordinates.
 func clusterDetection(pixels []uint8, rows, cols int) []pigo.Detection {
 	cParams := pigo.CascadeParams{
-		MinSize:     100,
+		MinSize:     20,
 		MaxSize:     1000,
 		ShiftFactor: 0.15,
 		ScaleFactor: 1.1,