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authorOlaf Hering <olaf@aepfle.de>2015-07-07 16:19:05 +0200
committerOlaf Hering <olaf@aepfle.de>2015-07-08 20:16:51 +0200
commit173d8f63b4d82c4622839561c4294e3fbed02593 (patch)
treeefdf1fe94c89bb0587969755c99639a58ae4af10
parent4f282b6b6ab5456b75b8de73501d20f1348740ea (diff)
[cximage]: remove warning about statement with no effect
The local variable 'k' remains initialized from the earlier loop. Remove the variable to avoid misleading compiler warning. ximadsp.cpp: In member function 'int CxImage::OptimalThreshold(long int, RECT*, CxImage*)': ximadsp.cpp:3337:9: warning: statement has no effect [-Wunused-value] for (k;k<=gray_max;k++) if (p[k] > 0) L -= p[k]*log(p[k]/w2)/w2; ^ ximadsp.cpp:3350:9: warning: statement has no effect [-Wunused-value] for (k;k<=gray_max;k++){ Signed-off-by: Olaf Hering <olaf@aepfle.de>
-rw-r--r--lib/cximage-6.0/CxImage/ximadsp.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/cximage-6.0/CxImage/ximadsp.cpp b/lib/cximage-6.0/CxImage/ximadsp.cpp
index 8f9123d813..8425bb2f8d 100644
--- a/lib/cximage-6.0/CxImage/ximadsp.cpp
+++ b/lib/cximage-6.0/CxImage/ximadsp.cpp
@@ -3335,7 +3335,7 @@ int CxImage::OptimalThreshold(long method, RECT * pBox, CxImage* pContrastMask)
//max entropy
L = 0;
for (k=gray_min;k<=i;k++) if (p[k] > 0) L -= p[k]*log(p[k]/w1)/w1;
- for (k;k<=gray_max;k++) if (p[k] > 0) L -= p[k]*log(p[k]/w2)/w2;
+ for (;k<=gray_max;k++) if (p[k] > 0) L -= p[k]*log(p[k]/w2)/w2;
if (L3max < L || th3<0){
L3max = L;
th3 = i;
@@ -3348,7 +3348,7 @@ int CxImage::OptimalThreshold(long method, RECT * pBox, CxImage* pContrastMask)
for (k=gray_min;k<=i;k++)
vdiff += p[k]*(i-k)*(i-k);
double vsum = vdiff;
- for (k;k<=gray_max;k++){
+ for (;k<=gray_max;k++){
double dv = p[k]*(k-i)*(k-i);
vdiff -= dv;
vsum += dv;