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Type:
Enhancement
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Resolution: Unresolved
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Priority:
Low
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Code Generation Tools
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CODEGEN-8176
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ARM_20.2.2.LTS
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default
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No plans to address at this time.
The attached try1.c has these lines ...
printf("2 strtof tests\n");
fval = strtof("15.000", NULL);
printf("expect 15.000, get %f\n", (double) fval);
fval = strtof("15.000000000000000", NULL);
printf("expect 15.000000000000000, get %f\n", (double) fval);
printf("\n1 snprintf test\n");
snprintf(buffer, LENGTH, "%.6f", 123456790519087104.0f);
printf("expect 123456790519087104, get %s\n", buffer);
Build it ...
% armcl -@options.txt try1.c -z -o try1.out -l lnk.cmd <Linking>
Execute it to see this output ...
2 strtof tests expect 15.000, get 15.000000 expect 15.000000000000000, get 15.000003 1 snprintf test expect 123456790519087104, get 123456790519087076.187
The first strof test is good. The second is bad. The snprintf test is bad.
Please see the related forum thread for more context.
