[ https://issues.apache.org/jira/browse/ARROW-3251?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated ARROW-3251: ---------------------------------- Labels: pull-request-available (was: ) > [C++] Conversion warnings in cast.cc > ------------------------------------ > > Key: ARROW-3251 > URL: https://issues.apache.org/jira/browse/ARROW-3251 > Project: Apache Arrow > Issue Type: Bug > Components: C++ > Reporter: Antoine Pitrou > Assignee: Antoine Pitrou > Priority: Major > Labels: pull-request-available > > This is with gcc 7.3.0 and {{-Wconversion}}. > {code} > ../src/arrow/compute/kernels/cast.cc: In instantiation of ‘void > arrow::compute::CastFunctor<O, I, typename > std::enable_if<arrow::compute::is_float_truncate<O, > I>::value>::type>::operator()(arrow::compute::FunctionContext*, const > arrow::compute::CastOptions&, const arrow::ArrayData&, arrow::ArrayData*) > [with O = arrow::Int64Type; I = arrow::DoubleType; typename > std::enable_if<arrow::compute::is_float_truncate<O, I>::value>::type = void]’: > ../src/arrow/compute/kernels/cast.cc:1105:1: required from here > ../src/arrow/compute/kernels/cast.cc:291:45: warning: conversion to ‘in_type > {aka double}’ from ‘long int’ may alter its value [-Wconversion] > if (ARROW_PREDICT_FALSE(out_value != *in_data)) { > ~~~~~~~~~~^~~~~ > ../src/arrow/util/macros.h:37:50: note: in definition of macro > ‘ARROW_PREDICT_FALSE’ > #define ARROW_PREDICT_FALSE(x) (__builtin_expect(x, 0)) > ^ > ../src/arrow/compute/kernels/cast.cc:301:45: warning: conversion to ‘in_type > {aka double}’ from ‘long int’ may alter its value [-Wconversion] > if (ARROW_PREDICT_FALSE(out_value != *in_data)) { > ~~~~~~~~~~^~~~~ > ../src/arrow/util/macros.h:37:50: note: in definition of macro > ‘ARROW_PREDICT_FALSE’ > #define ARROW_PREDICT_FALSE(x) (__builtin_expect(x, 0)) > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)