Data.table: Compiler warning on platform: armv8l-unknown-linux-gnueabi (32-bit)
gcc I"/data/data/com.termux/files/usr/lib/R/include" -DNDEBUG -I/data/data/com.termux/files/usr/include -fopenmp -fpic -march=armv7-a -mfpu=neon -mfloat-abi=softfp -mthumb -c freadR.c -o freadR.o
In file included from fread.c:28:
./freadLookups.h:31:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-350L,
^
./freadLookups.h:32:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-349L,
^
./freadLookups.h:33:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-348L,
^
./freadLookups.h:34:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-347L,
^
./freadLookups.h:35:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-346L,
^
./freadLookups.h:36:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-345L,
^
./freadLookups.h:37:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-344L,
^
./freadLookups.h:38:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-343L,
^
./freadLookups.h:39:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-342L,
^
./freadLookups.h:40:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-341L,
^
./freadLookups.h:41:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-340L,
^
./freadLookups.h:42:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-339L,
^
./freadLookups.h:43:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-338L,
^
./freadLookups.h:44:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-337L,
^
./freadLookups.h:45:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-336L,
^
./freadLookups.h:46:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-335L,
^
./freadLookups.h:47:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-334L,
^
./freadLookups.h:48:1: warning: magnitude
of floating-point constant too small
for type 'long double'; minimum is
4.9406564584124654E-324
[-Wliteral-range]
1.0E-333L,
^
2005m
All 3 comments
Maybe we can set/unset DBL_MIN to 1e-350 to define the pow10lookup?
MichaelChirico
on 10 Dec 2019
This is somewhat-concidentally fixed by #4165.
QuLogic
on 30 Jan 2020
Yes I think you are right. I noticed it as well but I was not sure.
2005m
on 30 Jan 2020
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Most helpful comment
This is somewhat-concidentally fixed by #4165.