diff --git a/coders/cin.c b/coders/cin.c
index f7363df..a0508e5 100644
--- a/coders/cin.c
+++ b/coders/cin.c
@@ -1078,12 +1078,12 @@
   cin.origination.x_pitch=0.0f;
   value=GetCINProperty(image_info,image,"dpx:origination.x_pitch",exception);
   if (value != (const char *) NULL)
-    cin.origination.x_pitch=InterpretLocaleValue(value,(char **) NULL);
+    cin.origination.x_pitch=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,cin.origination.x_pitch);
   cin.origination.y_pitch=0.0f;
   value=GetCINProperty(image_info,image,"dpx:origination.y_pitch",exception);
   if (value != (const char *) NULL)
-    cin.origination.y_pitch=InterpretLocaleValue(value,(char **) NULL);
+    cin.origination.y_pitch=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,cin.origination.y_pitch);
   cin.origination.gamma=image->gamma;
   offset+=WriteBlobFloat(image,cin.origination.gamma);
@@ -1131,7 +1131,7 @@
   cin.film.frame_rate=0.0f;
   value=GetCINProperty(image_info,image,"dpx:film.frame_rate",exception);
   if (value != (const char *) NULL)
-    cin.film.frame_rate=InterpretLocaleValue(value,(char **) NULL);
+    cin.film.frame_rate=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,cin.film.frame_rate);
   value=GetCINProperty(image_info,image,"dpx:film.frame_id",exception);
   if (value != (const char *) NULL)
diff --git a/coders/dpx.c b/coders/dpx.c
index 2b72a19..ad672c4 100644
--- a/coders/dpx.c
+++ b/coders/dpx.c
@@ -1541,12 +1541,12 @@
   dpx.orientation.x_center=0.0f;
   value=GetDPXProperty(image_info,image,"dpx:orientation.x_center",exception);
   if (value != (const char *) NULL)
-    dpx.orientation.x_center=InterpretLocaleValue(value,(char **) NULL);
+    dpx.orientation.x_center=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,dpx.orientation.x_center);
   dpx.orientation.y_center=0.0f;
   value=GetDPXProperty(image_info,image,"dpx:orientation.y_center",exception);
   if (value != (const char *) NULL)
-    dpx.orientation.y_center=InterpretLocaleValue(value,(char **) NULL);
+    dpx.orientation.y_center=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,dpx.orientation.y_center);
   dpx.orientation.x_size=0U;
   value=GetDPXProperty(image_info,image,"dpx:orientation.x_size",exception);
@@ -1663,12 +1663,12 @@
   dpx.film.frame_rate=0.0f;
   value=GetDPXProperty(image_info,image,"dpx:film.frame_rate",exception);
   if (value != (const char *) NULL)
-    dpx.film.frame_rate=InterpretLocaleValue(value,(char **) NULL);
+    dpx.film.frame_rate=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,dpx.film.frame_rate);
   dpx.film.shutter_angle=0.0f;
   value=GetDPXProperty(image_info,image,"dpx:film.shutter_angle",exception);
   if (value != (const char *) NULL)
-    dpx.film.shutter_angle=InterpretLocaleValue(value,(char **) NULL);
+    dpx.film.shutter_angle=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,dpx.film.shutter_angle);
   *dpx.film.frame_id='\0';
   value=GetDPXProperty(image_info,image,"dpx:film.frame_id",exception);
@@ -1717,56 +1717,56 @@
   value=GetDPXProperty(image_info,image,
     "dpx:television.horizontal_sample_rate",exception);
   if (value != (const char *) NULL)
-    dpx.television.horizontal_sample_rate=InterpretLocaleValue(value,
+    dpx.television.horizontal_sample_rate=StringToDouble(value,
       (char **) NULL);
   offset+=WriteBlobFloat(image,dpx.television.horizontal_sample_rate);
   dpx.television.vertical_sample_rate=0.0f;
   value=GetDPXProperty(image_info,image,"dpx:television.vertical_sample_rate",
     exception);
   if (value != (const char *) NULL)
-    dpx.television.vertical_sample_rate=InterpretLocaleValue(value,
+    dpx.television.vertical_sample_rate=StringToDouble(value,
       (char **) NULL);
   offset+=WriteBlobFloat(image,dpx.television.vertical_sample_rate);
   dpx.television.frame_rate=0.0f;
   value=GetDPXProperty(image_info,image,"dpx:television.frame_rate",exception);
   if (value != (const char *) NULL)
-    dpx.television.frame_rate=InterpretLocaleValue(value,(char **) NULL);
+    dpx.television.frame_rate=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,dpx.television.frame_rate);
   dpx.television.time_offset=0.0f;
   value=GetDPXProperty(image_info,image,"dpx:television.time_offset",exception);
   if (value != (const char *) NULL)
-    dpx.television.time_offset=InterpretLocaleValue(value,(char **) NULL);
+    dpx.television.time_offset=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,dpx.television.time_offset);
   dpx.television.gamma=0.0f;
   value=GetDPXProperty(image_info,image,"dpx:television.gamma",exception);
   if (value != (const char *) NULL)
-    dpx.television.gamma=InterpretLocaleValue(value,(char **) NULL);
+    dpx.television.gamma=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,dpx.television.gamma);
   dpx.television.black_level=0.0f;
   value=GetDPXProperty(image_info,image,"dpx:television.black_level",exception);
   if (value != (const char *) NULL)
-    dpx.television.black_level=InterpretLocaleValue(value,(char **) NULL);
+    dpx.television.black_level=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,dpx.television.black_level);
   dpx.television.black_gain=0.0f;
   value=GetDPXProperty(image_info,image,"dpx:television.black_gain",exception);
   if (value != (const char *) NULL)
-    dpx.television.black_gain=InterpretLocaleValue(value,(char **) NULL);
+    dpx.television.black_gain=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,dpx.television.black_gain);
   dpx.television.break_point=0.0f;
   value=GetDPXProperty(image_info,image,"dpx:television.break_point",exception);
   if (value != (const char *) NULL)
-    dpx.television.break_point=InterpretLocaleValue(value,(char **) NULL);
+    dpx.television.break_point=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,dpx.television.break_point);
   dpx.television.white_level=0.0f;
   value=GetDPXProperty(image_info,image,"dpx:television.white_level",exception);
   if (value != (const char *) NULL)
-    dpx.television.white_level=InterpretLocaleValue(value,(char **) NULL);
+    dpx.television.white_level=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,dpx.television.white_level);
   dpx.television.integration_times=0.0f;
   value=GetDPXProperty(image_info,image,"dpx:television.integration_times",
     exception);
   if (value != (const char *) NULL)
-    dpx.television.integration_times=InterpretLocaleValue(value,(char **) NULL);
+    dpx.television.integration_times=StringToDouble(value,(char **) NULL);
   offset+=WriteBlobFloat(image,dpx.television.integration_times);
   offset+=WriteBlob(image,sizeof(dpx.television.reserve),(unsigned char *)
     dpx.television.reserve);
diff --git a/coders/fits.c b/coders/fits.c
index dcea2e3..b631f75 100644
--- a/coders/fits.c
+++ b/coders/fits.c
@@ -359,13 +359,13 @@
       if (LocaleCompare(keyword,"naxis3") == 0)
         fits_info.number_planes=StringToLong(p);
       if (LocaleCompare(keyword,"datamax") == 0)
-        fits_info.max_data=InterpretLocaleValue(p,(char **) NULL);
+        fits_info.max_data=StringToDouble(p,(char **) NULL);
       if (LocaleCompare(keyword,"datamin") == 0)
-        fits_info.min_data=InterpretLocaleValue(p,(char **) NULL);
+        fits_info.min_data=StringToDouble(p,(char **) NULL);
       if (LocaleCompare(keyword,"bzero") == 0)
-        fits_info.zero=InterpretLocaleValue(p,(char **) NULL);
+        fits_info.zero=StringToDouble(p,(char **) NULL);
       if (LocaleCompare(keyword,"bscale") == 0)
-        fits_info.scale=InterpretLocaleValue(p,(char **) NULL);
+        fits_info.scale=StringToDouble(p,(char **) NULL);
       if (LocaleCompare(keyword,"comment") == 0)
         {
           if (comment == (char *) NULL)
diff --git a/coders/hdr.c b/coders/hdr.c
index 3bed84a..50b78f9 100644
--- a/coders/hdr.c
+++ b/coders/hdr.c
@@ -303,7 +303,7 @@
             {
               if (LocaleCompare(keyword,"gamma") == 0)
                 {
-                  image->gamma=InterpretLocaleValue(value,(char **) NULL);
+                  image->gamma=StringToDouble(value,(char **) NULL);
                   break;
                 }
               (void) FormatLocaleString(tag,MaxTextExtent,"hdr:%s",keyword);
diff --git a/coders/jbig.c b/coders/jbig.c
index 751a6f1..84ba43d 100644
--- a/coders/jbig.c
+++ b/coders/jbig.c
@@ -438,7 +438,7 @@
   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
   if (status == MagickFalse)
     return(status);
-  version=InterpretLocaleValue(JBG_VERSION,(char **) NULL);
+  version=StringToDouble(JBG_VERSION,(char **) NULL);
   scene=0;
   do
   {
diff --git a/coders/jpeg.c b/coders/jpeg.c
index 65549e5..18d630e 100644
--- a/coders/jpeg.c
+++ b/coders/jpeg.c
@@ -1991,7 +1991,7 @@
             Search for compression quality that does not exceed image extent.
           */
           jpeg_info->quality=0;
-          extent=(MagickSizeType) InterpretLocaleInterval(option,100.0);
+          extent=(MagickSizeType) StringToDoubleInterval(option,100.0);
           (void) DeleteImageOption(jpeg_info,"jpeg:extent");
           (void) AcquireUniqueFilename(jpeg_image->filename);
           maximum=101;
diff --git a/coders/miff.c b/coders/miff.c
index d0f4ed2..f3b2877 100644
--- a/coders/miff.c
+++ b/coders/miff.c
@@ -735,7 +735,7 @@
               {
                 if (LocaleCompare(keyword,"gamma") == 0)
                   {
-                    image->gamma=InterpretLocaleValue(options,(char **) NULL);
+                    image->gamma=StringToDouble(options,(char **) NULL);
                     break;
                   }
                 if (LocaleCompare(keyword,"gravity") == 0)
@@ -1006,7 +1006,7 @@
               {
                 if (LocaleCompare(keyword,"version") == 0)
                   {
-                    version=InterpretLocaleValue(options,(char **) NULL);
+                    version=StringToDouble(options,(char **) NULL);
                     break;
                   }
                 (void) SetImageProperty(image,keyword,options,exception);
diff --git a/coders/mpc.c b/coders/mpc.c
index 628eb5f..c10861b 100644
--- a/coders/mpc.c
+++ b/coders/mpc.c
@@ -444,7 +444,7 @@
                   }
                 if (LocaleCompare(keyword,"error") == 0)
                   {
-                    image->error.mean_error_per_pixel=InterpretLocaleValue(
+                    image->error.mean_error_per_pixel=StringToDouble(
                       options,(char **) NULL);
                     break;
                   }
@@ -456,7 +456,7 @@
               {
                 if (LocaleCompare(keyword,"gamma") == 0)
                   {
-                    image->gamma=InterpretLocaleValue(options,(char **) NULL);
+                    image->gamma=StringToDouble(options,(char **) NULL);
                     break;
                   }
                 if (LocaleCompare(keyword,"green-primary") == 0)
@@ -512,12 +512,12 @@
                 if (LocaleCompare(keyword,"maximum-error") == 0)
                   {
                     image->error.normalized_maximum_error=
-                      InterpretLocaleValue(options,(char **) NULL);
+                      StringToDouble(options,(char **) NULL);
                     break;
                   }
                 if (LocaleCompare(keyword,"mean-error") == 0)
                   {
-                    image->error.normalized_mean_error=InterpretLocaleValue(
+                    image->error.normalized_mean_error=StringToDouble(
                       options,(char **) NULL);
                     break;
                   }
diff --git a/coders/msl.c b/coders/msl.c
index b9de76e..1002fe9 100644
--- a/coders/msl.c
+++ b/coders/msl.c
@@ -790,22 +790,22 @@
                         *p;
 
                       p=value;
-                      draw_info->affine.sx=InterpretLocaleValue(p,&p);
+                      draw_info->affine.sx=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.rx=InterpretLocaleValue(p,&p);
+                      draw_info->affine.rx=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.ry=InterpretLocaleValue(p,&p);
+                      draw_info->affine.ry=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.sy=InterpretLocaleValue(p,&p);
+                      draw_info->affine.sy=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.tx=InterpretLocaleValue(p,&p);
+                      draw_info->affine.tx=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.ty=InterpretLocaleValue(p,&p);
+                      draw_info->affine.ty=StringToDouble(p,&p);
                       break;
                     }
                   if (LocaleCompare(keyword,"align") == 0)
@@ -908,7 +908,7 @@
                 {
                   if (LocaleCompare(keyword,"pointsize") == 0)
                     {
-                      draw_info->pointsize=InterpretLocaleValue(value,
+                      draw_info->pointsize=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -921,7 +921,7 @@
                 {
                   if (LocaleCompare(keyword,"rotate") == 0)
                     {
-                      angle=InterpretLocaleValue(value,(char **) NULL);
+                      angle=StringToDouble(value,(char **) NULL);
                       affine.sx=cos(DegreesToRadians(fmod(angle,360.0)));
                       affine.rx=sin(DegreesToRadians(fmod(angle,360.0)));
                       affine.ry=(-sin(DegreesToRadians(fmod(angle,360.0))));
@@ -946,14 +946,14 @@
                     }
                   if (LocaleCompare(keyword,"skewX") == 0)
                     {
-                      angle=InterpretLocaleValue(value,(char **) NULL);
+                      angle=StringToDouble(value,(char **) NULL);
                       affine.ry=tan(DegreesToRadians(fmod((double) angle,
                         360.0)));
                       break;
                     }
                   if (LocaleCompare(keyword,"skewY") == 0)
                     {
-                      angle=InterpretLocaleValue(value,(char **) NULL);
+                      angle=StringToDouble(value,(char **) NULL);
                       affine.rx=tan(DegreesToRadians(fmod((double) angle,
                         360.0)));
                       break;
@@ -1211,7 +1211,7 @@
                 {
                   if (LocaleCompare(keyword,"radius") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -1467,7 +1467,7 @@
             {
               if (LocaleCompare(keyword, "bias") == 0)
               {
-                bias = InterpretLocaleValue(value,(char **) NULL);
+                bias = StringToDouble(value,(char **) NULL);
                 break;
               }
               ThrowMSLException(OptionError,"UnrecognizedAttribute",keyword);
@@ -1478,7 +1478,7 @@
             {
               if (LocaleCompare(keyword, "radius") == 0)
               {
-                radius = InterpretLocaleValue(value,(char **) NULL);
+                radius = StringToDouble(value,(char **) NULL);
                 break;
               }
               ThrowMSLException(OptionError,"UnrecognizedAttribute",keyword);
@@ -1680,7 +1680,7 @@
                     }
                   if (LocaleCompare(keyword,"fuzz") == 0)
                     {
-                      msl_info->image[n]->fuzz=InterpretLocaleValue(value,
+                      msl_info->image[n]->fuzz=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -1994,7 +1994,7 @@
                   if (LocaleCompare(keyword,"rotate") == 0)
                     {
                       rotate_image=RotateImage(composite_image,
-                        InterpretLocaleValue(value,(char **) NULL),&exception);
+                        StringToDouble(value,(char **) NULL),&exception);
                       break;
                     }
                   ThrowMSLException(OptionError,"UnrecognizedAttribute",
@@ -2412,22 +2412,22 @@
                         *p;
 
                       p=value;
-                      draw_info->affine.sx=InterpretLocaleValue(p,&p);
+                      draw_info->affine.sx=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.rx=InterpretLocaleValue(p,&p);
+                      draw_info->affine.rx=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.ry=InterpretLocaleValue(p,&p);
+                      draw_info->affine.ry=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.sy=InterpretLocaleValue(p,&p);
+                      draw_info->affine.sy=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.tx=InterpretLocaleValue(p,&p);
+                      draw_info->affine.tx=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.ty=InterpretLocaleValue(p,&p);
+                      draw_info->affine.ty=StringToDouble(p,&p);
                       break;
                     }
                   if (LocaleCompare(keyword,"align") == 0)
@@ -2537,7 +2537,7 @@
                     }
                   if (LocaleCompare(keyword,"pointsize") == 0)
                     {
-                      draw_info->pointsize=InterpretLocaleValue(value,
+                      draw_info->pointsize=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -2550,7 +2550,7 @@
                 {
                   if (LocaleCompare(keyword,"rotate") == 0)
                     {
-                      angle=InterpretLocaleValue(value,(char **) NULL);
+                      angle=StringToDouble(value,(char **) NULL);
                       affine.sx=cos(DegreesToRadians(fmod(angle,360.0)));
                       affine.rx=sin(DegreesToRadians(fmod(angle,360.0)));
                       affine.ry=(-sin(DegreesToRadians(fmod(angle,360.0))));
@@ -2575,13 +2575,13 @@
                     }
                   if (LocaleCompare(keyword,"skewX") == 0)
                     {
-                      angle=InterpretLocaleValue(value,(char **) NULL);
+                      angle=StringToDouble(value,(char **) NULL);
                       affine.ry=cos(DegreesToRadians(fmod(angle,360.0)));
                       break;
                     }
                   if (LocaleCompare(keyword,"skewY") == 0)
                     {
-                      angle=InterpretLocaleValue(value,(char **) NULL);
+                      angle=StringToDouble(value,(char **) NULL);
                       affine.rx=cos(DegreesToRadians(fmod(angle,360.0)));
                       break;
                     }
@@ -2762,7 +2762,7 @@
                 {
                   if (LocaleCompare(keyword,"radius") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -2829,7 +2829,7 @@
                 {
                   if (LocaleCompare(keyword,"radius") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -3211,7 +3211,7 @@
                 {
                   if (LocaleCompare(keyword,"blue") == 0)
                     {
-                      pixel.blue=InterpretLocaleValue(value,(char **) NULL);
+                      pixel.blue=StringToDouble(value,(char **) NULL);
                       break;
                     }
                   ThrowMSLException(OptionError,"UnrecognizedAttribute",
@@ -3244,7 +3244,7 @@
                     }
                   if (LocaleCompare(keyword,"green") == 0)
                     {
-                      pixel.green=InterpretLocaleValue(value,(char **) NULL);
+                      pixel.green=StringToDouble(value,(char **) NULL);
                       break;
                     }
                   ThrowMSLException(OptionError,"UnrecognizedAttribute",
@@ -3256,7 +3256,7 @@
                 {
                   if (LocaleCompare(keyword,"red") == 0)
                     {
-                      pixel.red=InterpretLocaleValue(value,(char **) NULL);
+                      pixel.red=StringToDouble(value,(char **) NULL);
                       break;
                     }
                   ThrowMSLException(OptionError,"UnrecognizedAttribute",
@@ -3430,7 +3430,7 @@
                 {
                   if (LocaleCompare(keyword,"amount") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -3500,7 +3500,7 @@
             {
               if (LocaleCompare(keyword,"black") == 0)
               {
-                levelBlack = InterpretLocaleValue(value,(char **) NULL);
+                levelBlack = StringToDouble(value,(char **) NULL);
                 break;
               }
               ThrowMSLException(OptionError,"UnrecognizedAttribute",keyword);
@@ -3511,7 +3511,7 @@
             {
               if (LocaleCompare(keyword,"gamma") == 0)
               {
-                levelGamma = InterpretLocaleValue(value,(char **) NULL);
+                levelGamma = StringToDouble(value,(char **) NULL);
                 break;
               }
               ThrowMSLException(OptionError,"UnrecognizedAttribute",keyword);
@@ -3522,7 +3522,7 @@
             {
               if (LocaleCompare(keyword,"white") == 0)
               {
-                levelWhite = InterpretLocaleValue(value,(char **) NULL);
+                levelWhite = StringToDouble(value,(char **) NULL);
                 break;
               }
               ThrowMSLException(OptionError,"UnrecognizedAttribute",keyword);
@@ -3715,7 +3715,7 @@
                 {
                   if (LocaleCompare(keyword,"fuzz") == 0)
                     {
-                      msl_info->image[n]->fuzz=InterpretLocaleValue(value,
+                      msl_info->image[n]->fuzz=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -3746,7 +3746,7 @@
                 {
                   if (LocaleCompare(keyword,"opacity") == 0)
                     {
-                      opacity=InterpretLocaleValue(value,(char **) NULL);
+                      opacity=StringToDouble(value,(char **) NULL);
                       break;
                     }
                   ThrowMSLException(OptionError,"UnrecognizedAttribute",
@@ -3845,7 +3845,7 @@
                 {
                   if (LocaleCompare(keyword,"radius") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -3936,13 +3936,13 @@
                 {
                   if (LocaleCompare(keyword,"blackness") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
                   if (LocaleCompare(keyword,"brightness") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -3967,7 +3967,7 @@
                 {
                   if (LocaleCompare(keyword,"hue") == 0)
                     {
-                      geometry_info.xi=InterpretLocaleValue(value,
+                      geometry_info.xi=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -3980,7 +3980,7 @@
                 {
                   if (LocaleCompare(keyword,"lightness") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -3993,7 +3993,7 @@
                 {
                   if (LocaleCompare(keyword,"saturation") == 0)
                     {
-                      geometry_info.sigma=InterpretLocaleValue(value,
+                      geometry_info.sigma=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -4006,7 +4006,7 @@
                 {
                   if (LocaleCompare(keyword,"whiteness") == 0)
                     {
-                      geometry_info.sigma=InterpretLocaleValue(value,
+                      geometry_info.sigma=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -4202,7 +4202,7 @@
                 {
                   if (LocaleCompare(keyword,"radius") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -4282,7 +4282,7 @@
                     }
                   if (LocaleCompare(keyword,"fuzz") == 0)
                     {
-                      msl_info->image[n]->fuzz=InterpretLocaleValue(value,
+                      msl_info->image[n]->fuzz=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -4591,22 +4591,22 @@
                         *p;
 
                       p=value;
-                      draw_info->affine.sx=InterpretLocaleValue(p,&p);
+                      draw_info->affine.sx=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.rx=InterpretLocaleValue(p,&p);
+                      draw_info->affine.rx=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.ry=InterpretLocaleValue(p,&p);
+                      draw_info->affine.ry=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.sy=InterpretLocaleValue(p,&p);
+                      draw_info->affine.sy=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.tx=InterpretLocaleValue(p,&p);
+                      draw_info->affine.tx=StringToDouble(p,&p);
                       if (*p ==',')
                         p++;
-                      draw_info->affine.ty=InterpretLocaleValue(p,&p);
+                      draw_info->affine.ty=StringToDouble(p,&p);
                       break;
                     }
                   if (LocaleCompare(keyword,"align") == 0)
@@ -4711,7 +4711,7 @@
                 {
                   if (LocaleCompare(keyword,"pointsize") == 0)
                     {
-                      draw_info->pointsize=InterpretLocaleValue(value,
+                      draw_info->pointsize=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -4724,7 +4724,7 @@
                 {
                   if (LocaleCompare(keyword,"rotate") == 0)
                     {
-                      angle=InterpretLocaleValue(value,(char **) NULL);
+                      angle=StringToDouble(value,(char **) NULL);
                       affine.sx=cos(DegreesToRadians(fmod(angle,360.0)));
                       affine.rx=sin(DegreesToRadians(fmod(angle,360.0)));
                       affine.ry=(-sin(DegreesToRadians(fmod(angle,360.0))));
@@ -4749,13 +4749,13 @@
                     }
                   if (LocaleCompare(keyword,"skewX") == 0)
                     {
-                      angle=InterpretLocaleValue(value,(char **) NULL);
+                      angle=StringToDouble(value,(char **) NULL);
                       affine.ry=cos(DegreesToRadians(fmod(angle,360.0)));
                       break;
                     }
                   if (LocaleCompare(keyword,"skewY") == 0)
                     {
-                      angle=InterpretLocaleValue(value,(char **) NULL);
+                      angle=StringToDouble(value,(char **) NULL);
                       affine.rx=cos(DegreesToRadians(fmod(angle,360.0)));
                       break;
                     }
@@ -5104,7 +5104,7 @@
                 {
                   if (LocaleCompare(keyword,"radius") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -5283,7 +5283,7 @@
           {
             if (LocaleCompare(keyword,"blur") == 0)
               {
-                msl_info->image[n]->blur=InterpretLocaleValue(value,
+                msl_info->image[n]->blur=StringToDouble(value,
                         (char **) NULL);
                 break;
               }
@@ -5313,7 +5313,7 @@
           {
             if (LocaleCompare(keyword,"x-resolution") == 0)
               {
-                x_resolution=InterpretLocaleValue(value,(char **) NULL);
+                x_resolution=StringToDouble(value,(char **) NULL);
                 break;
               }
             ThrowMSLException(OptionError,"UnrecognizedAttribute",keyword);
@@ -5324,7 +5324,7 @@
           {
             if (LocaleCompare(keyword,"y-resolution") == 0)
               {
-                y_resolution=InterpretLocaleValue(value,(char **) NULL);
+                y_resolution=StringToDouble(value,(char **) NULL);
                 break;
               }
             ThrowMSLException(OptionError,"UnrecognizedAttribute",keyword);
@@ -5445,7 +5445,7 @@
                 {
                   if (LocaleCompare(keyword,"support") == 0)
                     {
-                      blur=InterpretLocaleValue(value,(char **) NULL);
+                      blur=StringToDouble(value,(char **) NULL);
                       break;
                     }
                   ThrowMSLException(OptionError,"UnrecognizedAttribute",
@@ -5668,7 +5668,7 @@
                 {
                   if (LocaleCompare(keyword,"degrees") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -5731,7 +5731,7 @@
           {
           if (LocaleCompare(keyword,"degrees") == 0)
             {
-            degrees = InterpretLocaleValue(value,(char **) NULL);
+            degrees = StringToDouble(value,(char **) NULL);
             break;
             }
           ThrowMSLException(OptionError,"UnrecognizedAttribute",keyword);
@@ -5956,7 +5956,7 @@
                 {
                   if (LocaleCompare(keyword,"cluster-threshold") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -5993,7 +5993,7 @@
                 {
                   if (LocaleCompare(keyword,"smoothing-threshold") == 0)
                     {
-                      geometry_info.sigma=InterpretLocaleValue(value,
+                      geometry_info.sigma=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -6212,7 +6212,7 @@
                 {
                   if (LocaleCompare(keyword,"azimuth") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -6225,7 +6225,7 @@
                 {
                   if (LocaleCompare(keyword,"elevation") == 0)
                     {
-                      geometry_info.sigma=InterpretLocaleValue(value,
+                      geometry_info.sigma=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -6338,7 +6338,7 @@
                 {
                   if (LocaleCompare(keyword,"x") == 0)
                     {
-                      geometry_info.xi=InterpretLocaleValue(value,
+                      geometry_info.xi=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -6404,7 +6404,7 @@
             {
               if (LocaleCompare(keyword, "bias") == 0)
               {
-                bias = InterpretLocaleValue(value,(char **) NULL);
+                bias = StringToDouble(value,(char **) NULL);
                 break;
               }
               ThrowMSLException(OptionError,"UnrecognizedAttribute",keyword);
@@ -6415,7 +6415,7 @@
             {
               if (LocaleCompare(keyword, "radius") == 0)
               {
-                radius = InterpretLocaleValue(value,(char **) NULL);
+                radius = StringToDouble(value,(char **) NULL);
                 break;
               }
               ThrowMSLException(OptionError,"UnrecognizedAttribute",keyword);
@@ -6600,7 +6600,7 @@
                 {
                   if (LocaleCompare(keyword,"x") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -6707,7 +6707,7 @@
                 {
                   if (LocaleCompare(keyword,"threshold") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -6770,7 +6770,7 @@
                 {
                   if (LocaleCompare(keyword,"radius") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -7023,7 +7023,7 @@
                 {
                   if (LocaleCompare(keyword,"degrees") == 0)
                     {
-                      geometry_info.rho=InterpretLocaleValue(value,
+                      geometry_info.rho=StringToDouble(value,
                         (char **) NULL);
                       break;
                     }
@@ -7180,7 +7180,7 @@
           {
           if (LocaleCompare(keyword,"threshold") == 0)
             {
-            threshold = InterpretLocaleValue(value,(char **) NULL);
+            threshold = StringToDouble(value,(char **) NULL);
             break;
             }
           ThrowMSLException(OptionError,"UnrecognizedAttribute",keyword);
@@ -8000,7 +8000,7 @@
 
           limit=MagickResourceInfinity;
           if (LocaleCompare(value,"unlimited") != 0)
-            limit=(MagickSizeType) InterpretLocaleInterval(value,100.0);
+            limit=(MagickSizeType) StringToDoubleInterval(value,100.0);
           (void) SetMagickResourceLimit(AreaResource,limit);
           break;
         }
@@ -8030,7 +8030,7 @@
         {
           if (image == (Image *) NULL)
             break;
-          image->bias=InterpretLocaleInterval(value,QuantumRange);
+          image->bias=StringToDoubleInterval(value,QuantumRange);
           break;
         }
       if (LocaleCompare(keyword,"blue-primary") == 0)
@@ -8134,8 +8134,8 @@
     {
       if (LocaleCompare(keyword,"pointsize") == 0)
         {
-          image_info->pointsize=InterpretLocaleValue(value,(char **) NULL);
-          draw_info->pointsize=InterpretLocaleValue(value,(char **) NULL);
+          image_info->pointsize=StringToDouble(value,(char **) NULL);
+          draw_info->pointsize=StringToDouble(value,(char **) NULL);
           break;
         }
       ThrowMSLException(OptionError,"UnrecognizedAttribute",keyword);
diff --git a/coders/pnm.c b/coders/pnm.c
index 5b71554..769c122 100644
--- a/coders/pnm.c
+++ b/coders/pnm.c
@@ -307,7 +307,7 @@
               scale[MaxTextExtent];
 
             (void) ReadBlobString(image,scale);
-            quantum_scale=InterpretLocaleValue(scale,(char **) NULL);
+            quantum_scale=StringToDouble(scale,(char **) NULL);
           }
         else
           {
diff --git a/coders/sct.c b/coders/sct.c
index 2bba145..bf85500 100644
--- a/coders/sct.c
+++ b/coders/sct.c
@@ -202,9 +202,9 @@
   separations_mask=ReadBlobMSBShort(image);
   count=ReadBlob(image,14,buffer);
   buffer[14]='\0';
-  height=InterpretLocaleValue((char *) buffer,(char **) NULL);
+  height=StringToDouble((char *) buffer,(char **) NULL);
   count=ReadBlob(image,14,buffer);
-  width=InterpretLocaleValue((char *) buffer,(char **) NULL);
+  width=StringToDouble((char *) buffer,(char **) NULL);
   count=ReadBlob(image,12,buffer);
   buffer[12]='\0';
   image->rows=StringToUnsignedLong((char *) buffer);
diff --git a/coders/svg.c b/coders/svg.c
index 4378ec2..89d0181 100644
--- a/coders/svg.c
+++ b/coders/svg.c
@@ -297,7 +297,7 @@
   assert(string != (const char *) NULL);
   p=(const char *) string;
   GetMagickToken(p,&p,token);
-  value=InterpretLocaleValue(token,(char **) NULL);
+  value=StringToDouble(token,(char **) NULL);
   if (strchr(token,'%') != (char *) NULL)
     {
       double
@@ -1302,27 +1302,27 @@
                       {
                         p=(const char *) value;
                         GetMagickToken(p,&p,token);
-                        affine.sx=InterpretLocaleValue(value,(char **) NULL);
+                        affine.sx=StringToDouble(value,(char **) NULL);
                         GetMagickToken(p,&p,token);
                         if (*token == ',')
                           GetMagickToken(p,&p,token);
-                        affine.rx=InterpretLocaleValue(token,(char **) NULL);
+                        affine.rx=StringToDouble(token,(char **) NULL);
                         GetMagickToken(p,&p,token);
                         if (*token == ',')
                           GetMagickToken(p,&p,token);
-                        affine.ry=InterpretLocaleValue(token,(char **) NULL);
+                        affine.ry=StringToDouble(token,(char **) NULL);
                         GetMagickToken(p,&p,token);
                         if (*token == ',')
                           GetMagickToken(p,&p,token);
-                        affine.sy=InterpretLocaleValue(token,(char **) NULL);
+                        affine.sy=StringToDouble(token,(char **) NULL);
                         GetMagickToken(p,&p,token);
                         if (*token == ',')
                           GetMagickToken(p,&p,token);
-                        affine.tx=InterpretLocaleValue(token,(char **) NULL);
+                        affine.tx=StringToDouble(token,(char **) NULL);
                         GetMagickToken(p,&p,token);
                         if (*token == ',')
                           GetMagickToken(p,&p,token);
-                        affine.ty=InterpretLocaleValue(token,(char **) NULL);
+                        affine.ty=StringToDouble(token,(char **) NULL);
                         break;
                       }
                     break;
@@ -1919,27 +1919,27 @@
                       {
                         p=(const char *) value;
                         GetMagickToken(p,&p,token);
-                        affine.sx=InterpretLocaleValue(value,(char **) NULL);
+                        affine.sx=StringToDouble(value,(char **) NULL);
                         GetMagickToken(p,&p,token);
                         if (*token == ',')
                           GetMagickToken(p,&p,token);
-                        affine.rx=InterpretLocaleValue(token,(char **) NULL);
+                        affine.rx=StringToDouble(token,(char **) NULL);
                         GetMagickToken(p,&p,token);
                         if (*token == ',')
                           GetMagickToken(p,&p,token);
-                        affine.ry=InterpretLocaleValue(token,(char **) NULL);
+                        affine.ry=StringToDouble(token,(char **) NULL);
                         GetMagickToken(p,&p,token);
                         if (*token == ',')
                           GetMagickToken(p,&p,token);
-                        affine.sy=InterpretLocaleValue(token,(char **) NULL);
+                        affine.sy=StringToDouble(token,(char **) NULL);
                         GetMagickToken(p,&p,token);
                         if (*token == ',')
                           GetMagickToken(p,&p,token);
-                        affine.tx=InterpretLocaleValue(token,(char **) NULL);
+                        affine.tx=StringToDouble(token,(char **) NULL);
                         GetMagickToken(p,&p,token);
                         if (*token == ',')
                           GetMagickToken(p,&p,token);
-                        affine.ty=InterpretLocaleValue(token,(char **) NULL);
+                        affine.ty=StringToDouble(token,(char **) NULL);
                         break;
                       }
                     break;
@@ -1956,15 +1956,15 @@
 
                         p=(const char *) value;
                         GetMagickToken(p,&p,token);
-                        angle=InterpretLocaleValue(value,(char **) NULL);
+                        angle=StringToDouble(value,(char **) NULL);
                         GetMagickToken(p,&p,token);
                         if (*token == ',')
                           GetMagickToken(p,&p,token);
-                        x=InterpretLocaleValue(token,(char **) NULL);
+                        x=StringToDouble(token,(char **) NULL);
                         GetMagickToken(p,&p,token);
                         if (*token == ',')
                           GetMagickToken(p,&p,token);
-                        y=InterpretLocaleValue(token,(char **) NULL);
+                        y=StringToDouble(token,(char **) NULL);
                         affine.sx=cos(DegreesToRadians(fmod(angle,360.0)));
                         affine.rx=sin(DegreesToRadians(fmod(angle,360.0)));
                         affine.ry=(-sin(DegreesToRadians(fmod(angle,360.0))));
@@ -2066,22 +2066,22 @@
             {
               p=(const char *) value;
               GetMagickToken(p,&p,token);
-              svg_info->view_box.x=InterpretLocaleValue(token,(char **) NULL);
+              svg_info->view_box.x=StringToDouble(token,(char **) NULL);
               GetMagickToken(p,&p,token);
               if (*token == ',')
                 GetMagickToken(p,&p,token);
-              svg_info->view_box.y=InterpretLocaleValue(token,(char **) NULL);
+              svg_info->view_box.y=StringToDouble(token,(char **) NULL);
               GetMagickToken(p,&p,token);
               if (*token == ',')
                 GetMagickToken(p,&p,token);
-              svg_info->view_box.width=InterpretLocaleValue(token,
+              svg_info->view_box.width=StringToDouble(token,
                 (char **) NULL);
               if (svg_info->bounds.width == 0)
                 svg_info->bounds.width=svg_info->view_box.width;
               GetMagickToken(p,&p,token);
               if (*token == ',')
                 GetMagickToken(p,&p,token);
-              svg_info->view_box.height=InterpretLocaleValue(token,
+              svg_info->view_box.height=StringToDouble(token,
                 (char **) NULL);
               if (svg_info->bounds.height == 0)
                 svg_info->bounds.height=svg_info->view_box.height;
@@ -3561,34 +3561,34 @@
         if (LocaleCompare("affine",keyword) == 0)
           {
             GetMagickToken(q,&q,token);
-            affine.sx=InterpretLocaleValue(token,(char **) NULL);
+            affine.sx=StringToDouble(token,(char **) NULL);
             GetMagickToken(q,&q,token);
             if (*token == ',')
               GetMagickToken(q,&q,token);
-            affine.rx=InterpretLocaleValue(token,(char **) NULL);
+            affine.rx=StringToDouble(token,(char **) NULL);
             GetMagickToken(q,&q,token);
             if (*token == ',')
               GetMagickToken(q,&q,token);
-            affine.ry=InterpretLocaleValue(token,(char **) NULL);
+            affine.ry=StringToDouble(token,(char **) NULL);
             GetMagickToken(q,&q,token);
             if (*token == ',')
               GetMagickToken(q,&q,token);
-            affine.sy=InterpretLocaleValue(token,(char **) NULL);
+            affine.sy=StringToDouble(token,(char **) NULL);
             GetMagickToken(q,&q,token);
             if (*token == ',')
               GetMagickToken(q,&q,token);
-            affine.tx=InterpretLocaleValue(token,(char **) NULL);
+            affine.tx=StringToDouble(token,(char **) NULL);
             GetMagickToken(q,&q,token);
             if (*token == ',')
               GetMagickToken(q,&q,token);
-            affine.ty=InterpretLocaleValue(token,(char **) NULL);
+            affine.ty=StringToDouble(token,(char **) NULL);
             break;
           }
         if (LocaleCompare("angle",keyword) == 0)
           {
             GetMagickToken(q,&q,token);
-            affine.rx=InterpretLocaleValue(token,(char **) NULL);
-            affine.ry=InterpretLocaleValue(token,(char **) NULL);
+            affine.rx=StringToDouble(token,(char **) NULL);
+            affine.ry=StringToDouble(token,(char **) NULL);
             break;
           }
         if (LocaleCompare("arc",keyword) == 0)
@@ -3903,24 +3903,24 @@
                 GetMagickToken(q,&q,token);
                 (void) CopyMagickString(type,token,MaxTextExtent);
                 GetMagickToken(q,&q,token);
-                svg_info.segment.x1=InterpretLocaleValue(token,(char **) NULL);
-                svg_info.element.cx=InterpretLocaleValue(token,(char **) NULL);
+                svg_info.segment.x1=StringToDouble(token,(char **) NULL);
+                svg_info.element.cx=StringToDouble(token,(char **) NULL);
                 GetMagickToken(q,&q,token);
                 if (*token == ',')
                   GetMagickToken(q,&q,token);
-                svg_info.segment.y1=InterpretLocaleValue(token,(char **) NULL);
-                svg_info.element.cy=InterpretLocaleValue(token,(char **) NULL);
+                svg_info.segment.y1=StringToDouble(token,(char **) NULL);
+                svg_info.element.cy=StringToDouble(token,(char **) NULL);
                 GetMagickToken(q,&q,token);
                 if (*token == ',')
                   GetMagickToken(q,&q,token);
-                svg_info.segment.x2=InterpretLocaleValue(token,(char **) NULL);
-                svg_info.element.major=InterpretLocaleValue(token,
+                svg_info.segment.x2=StringToDouble(token,(char **) NULL);
+                svg_info.element.major=StringToDouble(token,
                   (char **) NULL);
                 GetMagickToken(q,&q,token);
                 if (*token == ',')
                   GetMagickToken(q,&q,token);
-                svg_info.segment.y2=InterpretLocaleValue(token,(char **) NULL);
-                svg_info.element.minor=InterpretLocaleValue(token,
+                svg_info.segment.y2=StringToDouble(token,(char **) NULL);
+                svg_info.element.minor=StringToDouble(token,
                   (char **) NULL);
                 (void) FormatLocaleString(message,MaxTextExtent,
                   "<%sGradient id=\"%s\" x1=\"%g\" y1=\"%g\" x2=\"%g\" "
@@ -3931,7 +3931,7 @@
                     GetMagickToken(q,&q,token);
                     if (*token == ',')
                       GetMagickToken(q,&q,token);
-                    svg_info.element.angle=InterpretLocaleValue(token,
+                    svg_info.element.angle=StringToDouble(token,
                       (char **) NULL);
                     (void) FormatLocaleString(message,MaxTextExtent,
                       "<%sGradient id=\"%s\" cx=\"%g\" cy=\"%g\" r=\"%g\" "
@@ -3959,20 +3959,20 @@
                 GetMagickToken(q,&q,token);
                 (void) CopyMagickString(name,token,MaxTextExtent);
                 GetMagickToken(q,&q,token);
-                svg_info.bounds.x=InterpretLocaleValue(token,(char **) NULL);
+                svg_info.bounds.x=StringToDouble(token,(char **) NULL);
                 GetMagickToken(q,&q,token);
                 if (*token == ',')
                   GetMagickToken(q,&q,token);
-                svg_info.bounds.y=InterpretLocaleValue(token,(char **) NULL);
+                svg_info.bounds.y=StringToDouble(token,(char **) NULL);
                 GetMagickToken(q,&q,token);
                 if (*token == ',')
                   GetMagickToken(q,&q,token);
-                svg_info.bounds.width=InterpretLocaleValue(token,
+                svg_info.bounds.width=StringToDouble(token,
                   (char **) NULL);
                 GetMagickToken(q,&q,token);
                 if (*token == ',')
                   GetMagickToken(q,&q,token);
-                svg_info.bounds.height=InterpretLocaleValue(token,
+                svg_info.bounds.height=StringToDouble(token,
                   (char **) NULL);
                 (void) FormatLocaleString(message,MaxTextExtent,
                   "<pattern id=\"%s\" x=\"%g\" y=\"%g\" width=\"%g\" "
@@ -4017,11 +4017,11 @@
         if (LocaleCompare("scale",keyword) == 0)
           {
             GetMagickToken(q,&q,token);
-            affine.sx=InterpretLocaleValue(token,(char **) NULL);
+            affine.sx=StringToDouble(token,(char **) NULL);
             GetMagickToken(q,&q,token);
             if (*token == ',')
               GetMagickToken(q,&q,token);
-            affine.sy=InterpretLocaleValue(token,(char **) NULL);
+            affine.sy=StringToDouble(token,(char **) NULL);
             break;
           }
         if (LocaleCompare("skewX",keyword) == 0)
@@ -4172,11 +4172,11 @@
         if (LocaleCompare("translate",keyword) == 0)
           {
             GetMagickToken(q,&q,token);
-            affine.tx=InterpretLocaleValue(token,(char **) NULL);
+            affine.tx=StringToDouble(token,(char **) NULL);
             GetMagickToken(q,&q,token);
             if (*token == ',')
               GetMagickToken(q,&q,token);
-            affine.ty=InterpretLocaleValue(token,(char **) NULL);
+            affine.ty=StringToDouble(token,(char **) NULL);
             break;
           }
         status=MagickFalse;
@@ -4225,11 +4225,11 @@
       if (IsPoint(q) == MagickFalse)
         break;
       GetMagickToken(q,&q,token);
-      point.x=InterpretLocaleValue(token,(char **) NULL);
+      point.x=StringToDouble(token,(char **) NULL);
       GetMagickToken(q,&q,token);
       if (*token == ',')
         GetMagickToken(q,&q,token);
-      point.y=InterpretLocaleValue(token,(char **) NULL);
+      point.y=StringToDouble(token,(char **) NULL);
       GetMagickToken(q,(const char **) NULL,token);
       if (*token == ',')
         GetMagickToken(q,&q,token);
diff --git a/coders/tiff.c b/coders/tiff.c
index bd5c25c..4d3e961 100644
--- a/coders/tiff.c
+++ b/coders/tiff.c
@@ -2458,7 +2458,7 @@
         float
           rational;
 
-        rational=InterpretLocaleValue(value,(char **) NULL);
+        rational=StringToDouble(value,(char **) NULL);
         (void) TIFFSetField(tiff,exif_info[i].tag,rational);
         break;
       }