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Resolve compilation error involving static const local variables #393

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Resolve compilation error involving static const local variables #393

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16 changes: 7 additions & 9 deletions lib/libfrencutils/mosaic_util.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1687,17 +1687,15 @@ int crosses_pole(const double x[] , int n) {
rotation away from the pole if what is being rotaed is near a pole.
For rotation matricies formulas and examples, see F.S.Hill, Computer
Graphics Using OpenGL, @nd ed., Chapter 5.3.

Note: M_SQRT1_2 is a compile-time constant availble in math.h
*/
void set_the_rotation_matrix() {
static const double is2 = 1.0 /M_SQRT2;

static const double m00 = 0;
static const double m01 = - is2;
static const double m02 = is2;
static const double m11 = 1.0/2;
static const double m12 = 0.5;

static const double m[3][3] = { {m00, m01, m02}, {m02, m11, m12},{m01, m12, m11} };
static const double m[3][3] = {
{ 0.0, -M_SQRT1_2, M_SQRT1_2 },
{ M_SQRT1_2, 0.5, 0.5 },
{ -M_SQRT1_2, 0.5, 0.5 }
};

for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
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