fixes for 98% of all the warnings/errors reported by OS X gcc on tiger

git-svn-id: svn://localhost/ardour2/branches/3.0@10179 d708f5d6-7413-0410-9779-e7cbd77b26cf

3 files changed, 11 insertions, 11 deletions

diff --git a/libs/qm-dsp/maths/CosineDistance.cpp b/libs/qm-dsp/maths/CosineDistance.cpp
index 13ab9ce0e8..fd2aeef3fe 100644
--- a/libs/qm-dsp/maths/CosineDistance.cpp
+++ b/libs/qm-dsp/maths/CosineDistance.cpp
@@ -34,7 +34,7 @@ double CosineDistance::distance(const vector<double> &v1,
     }
     else
     {
-        for(int i=0; i<v1.size(); i++)
+        for(unsigned int i=0; i<v1.size(); i++)
         {
             dSum1 += v1[i]*v2[i];
             dDen1 += v1[i]*v1[i];
diff --git a/libs/qm-dsp/maths/MathUtilities.cpp b/libs/qm-dsp/maths/MathUtilities.cpp
index 809874121e..70a275912c 100644
--- a/libs/qm-dsp/maths/MathUtilities.cpp
+++ b/libs/qm-dsp/maths/MathUtilities.cpp
@@ -155,7 +155,7 @@ double MathUtilities::mean(const std::vector<double> &src,
 {
     double sum = 0.;
 	
-    for (int i = 0; i < count; ++i)
+    for (unsigned int i = 0; i < count; ++i)
     {
         sum += src[start + i];
     }
@@ -167,7 +167,6 @@ void MathUtilities::getFrameMinMax(const double *data, unsigned int len, double
 {
     unsigned int i;
     double temp = 0.0;
-    double a=0.0;
 
     if (len == 0) {
         *min = *max = 0;
@@ -317,9 +316,9 @@ void MathUtilities::normalise(std::vector<double> &data, NormaliseType type)
     case NormaliseUnitSum:
     {
         double sum = 0.0;
-        for (int i = 0; i < data.size(); ++i) sum += data[i];
+        for (unsigned int i = 0; i < data.size(); ++i) sum += data[i];
         if (sum != 0.0) {
-            for (int i = 0; i < data.size(); ++i) data[i] /= sum;
+            for (unsigned int i = 0; i < data.size(); ++i) data[i] /= sum;
         }
     }
     break;
@@ -327,11 +326,11 @@ void MathUtilities::normalise(std::vector<double> &data, NormaliseType type)
     case NormaliseUnitMax:
     {
         double max = 0.0;
-        for (int i = 0; i < data.size(); ++i) {
+        for (unsigned int i = 0; i < data.size(); ++i) {
             if (fabs(data[i]) > max) max = fabs(data[i]);
         }
         if (max != 0.0) {
-            for (int i = 0; i < data.size(); ++i) data[i] /= max;
+            for (unsigned int i = 0; i < data.size(); ++i) data[i] /= max;
         }
     }
     break;
diff --git a/libs/qm-dsp/maths/Polyfit.h b/libs/qm-dsp/maths/Polyfit.h
index 86bb64cb1e..3fac62d1b2 100644
--- a/libs/qm-dsp/maths/Polyfit.h
+++ b/libs/qm-dsp/maths/Polyfit.h
@@ -105,13 +105,13 @@ double TPolyFit::PolyFit2 (const vector<double> &x,
 // nterms = coefs.size()
 // npoints = x.size()
 {
-    int i, j;
+    unsigned int i, j;
     double xi, yi, yc, srs, sum_y, sum_y2;
     Matrix xmatr;        // Data matrix
     Matrix a;
     vector<double> g;      // Constant vector
-    const int npoints(x.size());
-    const int nterms(coefs.size());
+    const unsigned int npoints(x.size());
+    const unsigned int nterms(coefs.size());
     double correl_coef;
     zeroise(g, nterms);
     zeroise(a, nterms, nterms);
@@ -278,7 +278,8 @@ bool TPolyFit::GaussJordan2(Matrix &b,
     double big, t;
     double pivot;
     double determ;
-    int irow, icol;
+    int irow = 0;
+    int icol = 0;
     int ncol(b.size());
     int nv = 1;                  // single constant vector
     for(int i = 0; i < ncol; ++i)