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Fix NAN definition to work on Windows 11 SDK. #54

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Fix NAN definition to work on Windows 11 SDK. #54

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4 changes: 3 additions & 1 deletion source/fitz/geometry.c
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,8 @@
#define MAX4(a,b,c,d) fz_max(fz_max(a,b), fz_max(c,d))
#define MIN4(a,b,c,d) fz_min(fz_min(a,b), fz_min(c,d))

#define MY_NAN (0.0 / 0.0)

/* A useful macro to add with overflow detection and clamping.

We want to do "b = a + x", but to allow for overflow. Consider the
Expand Down Expand Up @@ -388,7 +390,7 @@ const fz_irect fz_invalid_irect = { 0, 0, -1, -1 };
const fz_irect fz_unit_bbox = { 0, 0, 1, 1 };

const fz_quad fz_infinite_quad = { { -INFINITY, INFINITY}, {INFINITY, INFINITY}, {-INFINITY, -INFINITY}, {INFINITY, -INFINITY} };
const fz_quad fz_invalid_quad = { {NAN, NAN}, {NAN, NAN}, {NAN, NAN}, {NAN, NAN} };
const fz_quad fz_invalid_quad = { {MY_NAN, MY_NAN}, {MY_NAN, MY_NAN}, {MY_NAN, MY_NAN}, {MY_NAN, MY_NAN} };

fz_irect
fz_irect_from_rect(fz_rect r)
Expand Down