GraphicsMagick: Use MAGICK_ISNAN() rather than isnan()

changeset c2a4d0286bcb in /hg/GraphicsMagick
details: http://hg.GraphicsMagick.org/hg/GraphicsMagick?cmd=changeset;node=c2a4d0286bcb
summary: Use MAGICK_ISNAN() rather than isnan()

diffstat:

 coders/mat.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (39 lines):

diff -r d4264d9a4d85 -r c2a4d0286bcb coders/mat.c
--- a/coders/mat.c	Sat Apr 29 10:34:47 2023 -0500
+++ b/coders/mat.c	Sat Apr 29 10:51:20 2023 -0500
@@ -171,7 +171,7 @@
     if (*p > 0)
     {
       f = (*p / MaxVal) * (Quantum)(MaxRGB - q->red);  /* first multiplier should be in a range <0;1> */
-      if (isnan(f))
+      if (MAGICK_ISNAN(f))
         f=0.0;
       /*if(f<0) f=0; */
       if (f + q->red >= MaxRGB)
@@ -187,7 +187,7 @@
     if (*p < 0)
     {
       f = (*p / MinVal) * (Quantum)(MaxRGB - q->blue); /* first multiplier should be in a range <0;1>; *p<0 and MinVal<0. */
-      if (isnan(f))
+      if (MAGICK_ISNAN(f))
         f=0.0;
       /*if(f<0) f=0; */
       if (f + q->blue >= MaxRGB)
@@ -234,7 +234,7 @@
     if (*p > 0)
     {
       f = (*p / MaxVal) * (Quantum)(MaxRGB - q->red);
-      if (isnan(f))
+      if (MAGICK_ISNAN(f))
         f=0.0;
       /*if(f<0) f=0;    //Only for Assert, should be commented out */
       if (f + q->red < MaxRGB)
@@ -250,7 +250,7 @@
     if (*p < 0)
     {
       f = (*p / MinVal) * (Quantum)(MaxRGB - q->blue); /* f is positive only <0; inf> */
-      if (isnan(f))
+      if (MAGICK_ISNAN(f))
         f=0.0;
       /*if(f<0) f=0;    //Only for Assert, should be commented out */
       if (f + q->blue < MaxRGB)