X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/dbfee00a86609283c4633df870692be3db9bc5e4..8823192f6413bed15cfa884ed3a3cbbb97885657:/field.h

diff --git a/field.h b/field.h
index 5a70649..8096700 100644
--- a/field.h
+++ b/field.h
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: field.h,v 1.3 2002/01/13 13:48:44 mdw Exp $
+ * $Id: field.h,v 1.3.4.1 2004/03/20 00:13:31 mdw Exp $
  *
  * Definitions for field arithmetic
  *
@@ -30,6 +30,9 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: field.h,v $
+ * Revision 1.3.4.1  2004/03/20 00:13:31  mdw
+ * Projective coordinates for prime curves
+ *
  * Revision 1.3  2002/01/13 13:48:44  mdw
  * Further progress.
  *
@@ -70,6 +73,7 @@ typedef struct field_ops {
   mp *(*in)(field */*f*/, mp */*d*/, mp */*x*/);
   mp *(*out)(field */*f*/, mp */*d*/, mp */*x*/);
 
+  int (*zerop)(field */*f*/, mp */*x*/);
   mp *(*neg)(field */*f*/, mp */*d*/, mp */*x*/);
   mp *(*add)(field */*f*/, mp */*d*/, mp */*x*/, mp */*y*/);
   mp *(*sub)(field */*f*/, mp */*d*/, mp */*x*/, mp */*y*/);
@@ -82,6 +86,8 @@ typedef struct field_ops {
 
   mp *(*dbl)(field */*f*/, mp */*d*/, mp */*x*/);
   mp *(*tpl)(field */*f*/, mp */*d*/, mp */*x*/);
+  mp *(*qdl)(field */*f*/, mp */*d*/, mp */*x*/);
+  mp *(*hlv)(field */*f*/, mp */*d*/, mp */*x*/);
   mp *(*sqrt)(field */*f*/, mp */*d*/, mp */*x*/);
 
 } field_ops;
@@ -90,6 +96,8 @@ typedef struct field_ops {
 
 #define F_IN(f, d, x)		(f)->ops->in((f), (d), (x))
 #define F_OUT(f, d, x)		(f)->ops->out((f), (d), (x))
+
+#define F_ZEROP(f, x)		(f)->ops->zerop((f), (x))
 #define F_NEG(f, d, x)		(f)->ops->neg((f), (d), (x))
 #define F_ADD(f, d, x, y)	(f)->ops->add((f), (d), (x), (y))
 #define F_SUB(f, d, x, y)	(f)->ops->sub((f), (d), (x), (y))
@@ -100,6 +108,8 @@ typedef struct field_ops {
 
 #define F_DBL(f, d, x)		(f)->ops->dbl((f), (d), (x))
 #define F_TPL(f, d, x)		(f)->ops->tpl((f), (d), (x))
+#define F_QDL(f, d, x)		(f)->ops->qdl((f), (d), (x))
+#define F_HLV(f, d, x)		(f)->ops->hlv((f), (d), (x))
 #define F_SQRT(f, d, x)		(f)->ops->sqrt((f), (d), (x))
 
 /*----- Helpful field operations ------------------------------------------*/