forked from OSchip/llvm-project
52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
#include "flang/Runtime/io-api.h"
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#include "flang/Runtime/main.h"
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#include "flang/Runtime/stop.h"
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#include <cstring>
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#include <limits>
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using namespace Fortran::runtime::io;
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void output1() {
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auto io{IONAME(BeginExternalListOutput)()};
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const char str[]{"Hello, world!"};
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IONAME(OutputAscii)(io, str, std::strlen(str));
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IONAME(OutputInteger64)(io, 678);
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IONAME(OutputReal64)(io, 0.0);
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IONAME(OutputReal64)(io, 2.0 / 3.0);
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IONAME(OutputReal64)(io, 1.0e99);
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IONAME(OutputReal64)(io, std::numeric_limits<double>::infinity());
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IONAME(OutputReal64)(io, -std::numeric_limits<double>::infinity());
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IONAME(OutputReal64)(io, std::numeric_limits<double>::quiet_NaN());
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IONAME(OutputComplex64)(io, 123.0, -234.0);
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IONAME(OutputLogical)(io, false);
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IONAME(OutputLogical)(io, true);
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IONAME(EndIoStatement)(io);
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}
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void input1() {
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auto io{IONAME(BeginExternalListOutput)()};
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const char prompt[]{"Enter an integer value:"};
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IONAME(OutputAscii)(io, prompt, std::strlen(prompt));
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IONAME(EndIoStatement)(io);
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io = IONAME(BeginExternalListInput)();
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std::int64_t n{-666};
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IONAME(InputInteger)(io, n);
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IONAME(EndIoStatement)(io);
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io = IONAME(BeginExternalListOutput)();
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const char str[]{"Result:"};
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IONAME(OutputAscii)(io, str, std::strlen(str));
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IONAME(OutputInteger64)(io, n);
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IONAME(EndIoStatement)(io);
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}
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int main(int argc, const char *argv[], const char *envp[]) {
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RTNAME(ProgramStart)(argc, argv, envp);
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output1();
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input1();
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RTNAME(PauseStatement)();
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RTNAME(ProgramEndStatement)();
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return 0;
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}
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