func init() {
N, _ = new(big.Int).SetString("fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141", 16)
// around 20 ms on a modern CPU.
context = C.secp256k1_context_create(3) // SECP256K1_START_SIGN | SECP256K1_START_VERIFY
C.secp256k1_context_set_illegal_callback(context, C.callbackFunc(C.secp256k1GoPanicIllegal), nil)
C.secp256k1_context_set_error_callback(context, C.callbackFunc(C.secp256k1GoPanicError), nil)
}
func init() {
N, _ = new(big.Int).SetString("fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141", 16)
// N / 2 == 57896044618658097711785492504343953926418782139537452191302581570759080747168
HalfN, _ = new(big.Int).SetString("7fffffffffffffffffffffffffffffff5d576e7357a4501ddfe92f46681b20a0", 16)
// around 20 ms on a modern CPU.
context = C.secp256k1_context_create(3) // SECP256K1_START_SIGN | SECP256K1_START_VERIFY
C.secp256k1_context_set_illegal_callback(context, C.callbackFunc(C.secp256k1GoPanicIllegal), nil)
C.secp256k1_context_set_error_callback(context, C.callbackFunc(C.secp256k1GoPanicError), nil)
}
// work around issue 1560.
if runtime.GOMAXPROCS(0) < 2 {
runtime.GOMAXPROCS(2)
}
C.callbackInit()
go C.runCallbacks()
}
// Func holds a pointer to the C callback function.
// When called, it calls the provided function f in a
// a Go context with the given argument.
//
// It can be used by first converting it to a function pointer
// and then calling from C.
// Here is an example that sets up the callback function:
// //static void (*callback)(void (*f)(void*), void *arg);
// //void setCallback(void *c){
// // callback = c;
// //}
// import "C"
// import "rog-go.googlecode.com/hg/exp/callback"
//
// func init() {
// C.setCallback(callback.Func)
// }
//
var Func = callbackFunc
var callbackFunc = unsafe.Pointer(C.callbackFunc())
func init() {
// around 20 ms on a modern CPU.
context = C.secp256k1_context_create(3) // SECP256K1_START_SIGN | SECP256K1_START_VERIFY
C.secp256k1_context_set_illegal_callback(context, C.callbackFunc(C.secp256k1GoPanicIllegal), nil)
C.secp256k1_context_set_error_callback(context, C.callbackFunc(C.secp256k1GoPanicError), nil)
}