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truncate when storing scalar numeric

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This commit is contained in:
Michael Davidsaver
2020-07-19 19:58:17 -07:00
parent 06e26a0ec5
commit 90203c9b86
3 changed files with 92 additions and 5 deletions
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src/data.cpp
+35 -3
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@@ -512,9 +512,41 @@ void Value::copyIn(const void *ptr, StoreType type)
throw NoField();
switch(store->code) {
case StoreType::Real: if(!copyInScalar(store->as<double>(), ptr, type)) throw NoConvert(); break;
case StoreType::Integer: if(!copyInScalar(store->as<int64_t>(), ptr, type)) throw NoConvert(); break;
case StoreType::UInteger: if(!copyInScalar(store->as<uint64_t>(), ptr, type)) throw NoConvert(); break;
case StoreType::Real: {
if(!copyInScalar(store->as<double>(), ptr, type)) throw NoConvert();
// truncate as if assigned to narrower type
if(desc->code==TypeCode::Float32)
store->as<double>() = float(store->as<double>());
break;
}
case StoreType::Integer: {
if(!copyInScalar(store->as<int64_t>(), ptr, type)) throw NoConvert();
// truncate as if assigned to narrower type
int64_t orig = store->as<int64_t>();
switch(desc->code.code) {
case TypeCode::Int8: orig = int8_t(orig); break;
case TypeCode::Int16: orig = int16_t(orig); break;
case TypeCode::Int32: orig = int32_t(orig); break;
case TypeCode::Int64: orig = int64_t(orig); break;
default: break;
}
store->as<int64_t>() = orig;
break;
}
case StoreType::UInteger: {
if(!copyInScalar(store->as<uint64_t>(), ptr, type)) throw NoConvert();
// truncate as if assigned to narrower type
int64_t orig = store->as<int64_t>();
switch(desc->code.code) {
case TypeCode::UInt8: orig = uint8_t(orig); break;
case TypeCode::UInt16: orig = uint16_t(orig); break;
case TypeCode::UInt32: orig = uint32_t(orig); break;
case TypeCode::UInt64: orig = uint64_t(orig); break;
default: break;
}
store->as<int64_t>() = orig;
break;
}
case StoreType::Bool: {
auto& dest = store->as<bool>();
switch(type) {