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strtof(), strtod(): handle NaN and Infinity

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This commit is contained in:
Florian Meißner
2023-06-05 23:04:25 +00:00
committed by Jeremy Soller
parent fe02a5bd98
commit b66df46f33
5 changed files with 114 additions and 61 deletions
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tests/stdlib/atof.c
+3
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@@ -6,4 +6,7 @@
int main(void) {
double d = atof("-3.14");
printf("%f\n", d);
d = atof("INF");
printf("%f\n", d);
}
tests/stdlib/strtod.c
+11
View File
@@ -61,6 +61,17 @@ int main(void) {
"-0.5e25", "-0.5e26", "-0.5e27", "-0.5e28", "-0.5e29",
"-0.5e30", "-0.5e31", "-0.5e32", "-0.5e33", "-0.5e34",
"-0.5e35", "-0.5e36", "-0.5e37", "-0.5e38",
"-0",
"INF", "inf", "iNf", "Inf foobarbaz",
"+INF", "+inf", "+iNf", "+Inf foobarbaz",
"-INF", "-inf", "-iNf", "-Inf foobarbaz",
"NaN0.1e5", "nan-37", "nAn1.05", "Nan foo bar baz",
"+NaN0.1e5", "+nan-37", "+nAn1.05", "+Nan foo bar baz",
"-NaN0.1e5", "-nan-37", "-nAn1.05", "-Nan foo bar baz",
};
for (int i = 0; i < sizeof(inputs) / sizeof(char*); i += 1) {
d = strtod(inputs[i], &endptr);