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Diffstat (limited to 'src/math/field.c')
| -rw-r--r-- | src/math/field.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/math/field.c b/src/math/field.c index 983aa09..2d6d358 100644 --- a/src/math/field.c +++ b/src/math/field.c @@ -90,6 +90,25 @@ int field_input(curve_t *curve, config_t *config, arg_t *args) { } } +static GEN field = NULL; +static curve_t *curve_field = NULL; + +int field_once(curve_t *curve, config_t *cfg, arg_t *args) { + if (field && curve_field == curve) { + curve->field = gcopy(field); + return 1; + } + + int inp = field_input(curve, cfg, args); + if (inp > 0) { + field = gclone(curve->field); + curve_field = curve; + return 1; + } else { + return 0; + } +} + GEN field_params(GEN field) { pari_sp ltop = avma; |