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[flang] Accept "INFINITY" as real input

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Both "INF" and "INFINITY" are standard.

Differential Revision: https://reviews.llvm.org/D124401
This commit is contained in:
Peter Klausler 2022-04-23 15:41:16 -07:00
parent c4caa90b15
commit b8f5cf9d2c
1 changed files with 7 additions and 1 deletions
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8
flang/lib/Decimal/decimal-to-binary.cpp
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@ -439,7 +439,13 @@ BigRadixFloatingPointNumber<PREC, LOG10RADIX>::ConvertToBinary(
}
if ((!limit || limit >= q + 3) && toupper(q[0]) == 'I' &&
toupper(q[1]) == 'N' && toupper(q[2]) == 'F') {
p = q + 3;
if ((!limit || limit >= q + 8) && toupper(q[3]) == 'I' &&
toupper(q[4]) == 'N' && toupper(q[5]) == 'I' &&
toupper(q[6]) == 'T' && toupper(q[7]) == 'Y') {
p = q + 8;
} else {
p = q + 3;
}
return {Real{Infinity()}};
} else {
// Invalid input