X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/ab6ce636633a45ab3b1046150b30aee43eca8d42..29e444ad666fee86b3056facafdc1f74c0afe761:/pgen.h

diff --git a/pgen.h b/pgen.h
index 548fadb8..52e62bbc 100644
--- a/pgen.h
+++ b/pgen.h
@@ -168,6 +168,42 @@ extern pgen_proc pgen_jump;
 
 extern pgen_proc pgen_test;
 
+/*----- Simultaneous primality checking -----------------------------------*/
+
+typedef struct pgen_simulprime {
+  mp *mul, *add;			/* Arguments from the client */
+  unsigned f;				/* Flags, set by client, changed */
+#define PGENF_KEEP 1u			/*   Keep this prime's value */
+#define PGENF_JUMP 8u			/*   Use jump table, not stepping */
+  pfilt p;				/* This prime's filter */
+  rabin r;				/* Rabin testing context */
+  union {
+    mpw step;				/* The simple step to use */
+    pfilt *jump;			/* The jump to move by */
+    mp *x;				/* The result, if wanted */
+  } u;
+} pgen_simulprime;
+
+typedef struct pgen_simulctx {
+  pgen_simulprime *v;			/* Vector of related primes */
+  unsigned n;				/* Size of the vector */
+  mp *step;				/* Basic stepping value */
+} pgen_simulctx;
+  
+/* --- @pgen_simulstep@ --- *
+ *
+ * Step a collection of numbers simultaneously.
+ */
+
+extern pgen_proc pgen_simulstep;
+
+/* --- @pgen_simultest@ --- *
+ *
+ * Test a collection of numbers simultaneously.
+ */
+
+extern pgen_proc pgen_simultest;
+
 /*----- Safe prime functions ----------------------------------------------*/
 
 /* --- @pgen_safestep@ --- *