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fix crash when bases contain infinity #37

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fix crash when bases contain infinity #37

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5 changes: 5 additions & 0 deletions ec-gpu-gen/src/cl/ec.cl
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Expand Up @@ -44,6 +44,11 @@ DEVICE POINT_jacobian POINT_double(POINT_jacobian inp) {
// http://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#addition-madd-2007-bl
DEVICE POINT_jacobian POINT_add_mixed(POINT_jacobian a, POINT_affine b) {
const FIELD local_zero = FIELD_ZERO;

if(FIELD_eq(b.x, local_zero) && FIELD_eq(b.y, local_zero)) {
return a;
}

if(FIELD_eq(a.z, local_zero)) {
const FIELD local_one = FIELD_ONE;
a.x = b.x;
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