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Add ldexp function to math module #3025

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Add ldexp function to math module #3025

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2 changes: 2 additions & 0 deletions base/src/math.act
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Original file line number Diff line number Diff line change
Expand Up @@ -44,3 +44,5 @@ def acosh(x: float)->float:
NotImplemented
def atanh(x: float)->float:
NotImplemented
def ldexp(x: float, exp: int)->float:
NotImplemented
7 changes: 7 additions & 0 deletions base/src/math.ext.c
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Expand Up @@ -43,6 +43,13 @@ double mathQ_acosh(double x) {
double mathQ_atanh(double x) {
return atanh(x);
}
double mathQ_ldexp(double x, int64_t exp) {
if (exp > (int64_t)INT_MAX || exp < (int64_t)INT_MIN) {
$RAISE(((B_BaseException)B_ValueErrorG_new($FORMAT("Exponent out of valid range for ldexp: %lld", (long long)exp))));
}

return ldexp(x, (int)exp);
}

void mathQ___ext_init__() {
//NOP
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