diff options
Diffstat (limited to 'moon-abe/pbc-0.5.14/include/pbc_fieldquadratic.h')
-rw-r--r-- | moon-abe/pbc-0.5.14/include/pbc_fieldquadratic.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/moon-abe/pbc-0.5.14/include/pbc_fieldquadratic.h b/moon-abe/pbc-0.5.14/include/pbc_fieldquadratic.h new file mode 100644 index 00000000..5a2111b3 --- /dev/null +++ b/moon-abe/pbc-0.5.14/include/pbc_fieldquadratic.h @@ -0,0 +1,23 @@ +/* + * Quadratic field extensions. + */ + +//requires +// * field.h +#ifndef __PBC_FIELDQUADRATIC_H__ +#define __PBC_FIELDQUADRATIC_H__ + +// Initialize L as K[sqrt(a)], where a is a quadratic nonresidue of K. We +// automatically randomly generate a if necessary (see field_get_nqr() in +// field.c). +void field_init_quadratic(field_ptr L, field_ptr K); + +// Initialize L as K[i], where i = sqrt(-1). Faster than the generic version. +// Requires -1 to be a quadratic nonresidue in K. +void field_init_fi(field_ptr L, field_ptr K); + +// Naturally map an element from a field K to K[a]. +void element_field_to_quadratic(element_ptr out, element_ptr in); +void element_field_to_fi(element_ptr a, element_ptr b); + +#endif //__PBC_FIELDQUADRATIC_H__ |