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refactor: use constants/float64/nan in stats/base/dists/laplace/mgf #16580

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refactor: use constants/float64/nan in stats/base/dists/laplace/mgf #16580

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9 changes: 6 additions & 3 deletions lib/node_modules/@stdlib/stats/base/dists/laplace/mgf/manifest.json
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,8 @@
"@stdlib/math/base/assert/is-nan",
"@stdlib/math/base/special/abs",
"@stdlib/math/base/special/exp",
"@stdlib/math/base/special/pow"
"@stdlib/math/base/special/pow",
"@stdlib/constants/float64/nan"
]
},
{
Expand All @@ -61,7 +62,8 @@
"@stdlib/math/base/special/abs",
"@stdlib/math/base/special/exp",
"@stdlib/constants/float64/eps",
"@stdlib/math/base/special/pow"
"@stdlib/math/base/special/pow",
"@stdlib/constants/float64/nan"
]
},
{
Expand All @@ -79,7 +81,8 @@
"@stdlib/math/base/assert/is-nan",
"@stdlib/math/base/special/abs",
"@stdlib/math/base/special/exp",
"@stdlib/math/base/special/pow"
"@stdlib/math/base/special/pow",
"@stdlib/constants/float64/nan"
]
}
]
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3 changes: 2 additions & 1 deletion lib/node_modules/@stdlib/stats/base/dists/laplace/mgf/src/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
#include "stdlib/math/base/special/abs.h"
#include "stdlib/math/base/special/exp.h"
#include "stdlib/math/base/special/pow.h"
#include "stdlib/constants/float64/nan.h"

/**
* Evaluates the moment-generating function (MGF) for a Laplace (double exponential) distribution with location parameter `mu` and scale parameter `b` at a value `t`.
Expand All @@ -43,7 +44,7 @@ double stdlib_base_dists_laplace_mgf( const double t, const double mu, const dou
b <= 0.0 ||
stdlib_base_abs( t ) >= 1.0/b
) {
return 0.0/0.0; // NaN
return STDLIB_CONSTANT_FLOAT64_NAN;
}
bt = b * t;
return stdlib_base_exp( mu * t ) / ( 1.0 - stdlib_base_pow( bt, 2.0 ) );
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