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authorOlivier Gayot <og@satcom1.com>2017-11-18 17:21:59 +0100
committerOlivier Gayot <og@satcom1.com>2017-11-19 16:15:32 +0100
commit615b8a00aedb3363b4749f706d6df51846b743ac (patch)
treef4b92d89e803a1021204d9bd8a5de49ea39b6d9e /number.cpp
parent0916e5446434acd1a3a8384a3e9b1d935f654140 (diff)
Allow conversion of number to 32 bits integer
The method to_uint32() converts a number to a 32-bits-wide integer. The function throws if number cannot be represented using only a single 32-bits-wide integer. Signed-off-by: Olivier Gayot <og@satcom1.com>
Diffstat (limited to 'number.cpp')
-rw-r--r--number.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/number.cpp b/number.cpp
index fcc6dc0..ae4b167 100644
--- a/number.cpp
+++ b/number.cpp
@@ -51,6 +51,16 @@ number::to_dec_string() const
return ss.str();
}
+std::uint32_t
+number::to_uint32() const
+{
+ if (*this > UINT32_MAX) {
+ throw std::out_of_range("> UINT32_MAX");
+ }
+
+ return (*this == 0) ? 0 : _operands.front();
+}
+
/* }}} */
/* Operations {{{ */