also test with 0

and make numbers a bit 'harder'

3 files changed, 8 insertions, 1 deletions

diff --git a/eval/src/apps/tensor_conformance/generate.cpp b/eval/src/apps/tensor_conformance/generate.cpp
index 4e5d6bec2c3..283c41f7c44 100644
--- a/eval/src/apps/tensor_conformance/generate.cpp
+++ b/eval/src/apps/tensor_conformance/generate.cpp
@@ -470,7 +470,7 @@ void generate_nested_tensor_lambda(TestBuilder &dst) {
 //-----------------------------------------------------------------------------
 
 void generate_erf_value_test(TestBuilder &dst) {
-    auto a = GenSpec().idx("x", 16 * 16 * 6).seq(Div16(Div16(N())));
+    auto a = GenSpec().idx("x", 16 * 17 * 6).seq(Div17(Div16(N(0))));
     dst.add("erf(a)", {{"a", a}});
     dst.add("erf(-a)", {{"a", a}});
 }
diff --git a/eval/src/vespa/eval/eval/test/gen_spec.cpp b/eval/src/vespa/eval/eval/test/gen_spec.cpp
index fd2c1f39382..8921cf28bab 100644
--- a/eval/src/vespa/eval/eval/test/gen_spec.cpp
+++ b/eval/src/vespa/eval/eval/test/gen_spec.cpp
@@ -24,6 +24,10 @@ Sequence Div16(const Sequence &seq) {
     return [seq](size_t i) { return (seq(i) / 16.0); };
 }
 
+Sequence Div17(const Sequence &seq) {
+    return [seq](size_t i) { return (seq(i) / 17.0); };
+}
+
 Sequence Sub2(const Sequence &seq) {
     return [seq](size_t i) { return (seq(i) - 2.0); };
 }
diff --git a/eval/src/vespa/eval/eval/test/gen_spec.h b/eval/src/vespa/eval/eval/test/gen_spec.h
index 631c62ecd40..0fa07218ee9 100644
--- a/eval/src/vespa/eval/eval/test/gen_spec.h
+++ b/eval/src/vespa/eval/eval/test/gen_spec.h
@@ -25,6 +25,9 @@ Sequence AX_B(double a, double b);
 // Sequence of another sequence divided by 16
 Sequence Div16(const Sequence &seq);
 
+// Sequence of another sequence divided by 17
+Sequence Div17(const Sequence &seq);
+
 // Sequence of another sequence minus 2
 Sequence Sub2(const Sequence &seq);