Changeset 097353 in git for libpolys

Timestamp:

Sep 20, 2017, 2:57:28 PM (7 years ago)

Author:

Hans Schoenemann <hannes@…>

Branches:

(u'spielwiese', '2a584933abf2a2d3082034c7586d38bb6de1a30a')

Children:

282075b183fa7d94a566c6c1e9ff6f009828fb51

Parents:

abefe73030583b4cc263ffc88c99ffb9bed9da72

Message:

fix: warn if ZZ/p is constructed with p>2^29 (factory limit)

Location:

libpolys/coeffs

Files:

• modulop.cc (modified) (1 diff)
• modulop.h (modified) (1 diff)

libpolys/coeffs/modulop.cc

@@ -517 +517 @@
     r->cfInvers= nvInvers;
     //r->cfPower= nvPower;
+    if (c>FACTORY_MAX_PRIME)
+    {
+      Warn("prime too large(>%ld): factory routines are not available",FACTORY_MAX_PRIME);
+      r->convSingNFactoryN=ndConvSingNFactoryN;
+    }
   }
 #endif

libpolys/coeffs/modulop.h

@@ -20 +20 @@
 #define NV_OPS
 #define NV_MAX_PRIME 32749
+#define FACTORY_MAX_PRIME 536870909
 
 struct n_Procs_s; typedef struct  n_Procs_s  *coeffs;