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Original file line number Diff line number Diff line change
Expand Up @@ -56,18 +56,17 @@ y = gammaDeltaRatio( 100.0, 0.0 );
<!-- eslint no-undef: "error" -->

```javascript
var randu = require( '@stdlib/random/base/randu' );
var uniform = require( '@stdlib/random/array/uniform' );
var logEachMap = require( '@stdlib/console/log-each-map' );
var gammaDeltaRatio = require( '@stdlib/math/base/special/gamma-delta-ratio' );

var delta;
var z;
var i;
var opts = {
'dtype': 'float64'
};
var z = uniform( 100, 0.0, 10.0, opts );
var delta = uniform( 100, 0.0, 10.0, opts );

for ( i = 0; i < 100; i++ ) {
z = randu()*10.0;
delta = randu()*10.0;
console.log( 'gamma( %d ) / gamma( %d + %d ) = %d', z, z, delta, gammaDeltaRatio( z, delta ) );
}
logEachMap( 'gamma( %0.4f ) / gamma( %0.4f + %0.4f ) = %0.4f', z, z, delta, gammaDeltaRatio );
```

</section>
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Original file line number Diff line number Diff line change
Expand Up @@ -18,15 +18,14 @@

'use strict';

var randu = require( '@stdlib/random/base/randu' );
var uniform = require( '@stdlib/random/array/uniform' );
var logEachMap = require( '@stdlib/console/log-each-map' );
var gammaDeltaRatio = require( './../lib' );

var delta;
var z;
var i;
var opts = {
'dtype': 'float64'
};
var z = uniform( 100, 0.0, 10.0, opts );
var delta = uniform( 100, 0.0, 10.0, opts );

for ( i = 0; i < 100; i++ ) {
z = randu()*10.0;
delta = randu()*10.0;
console.log( 'gamma( %d ) / gamma( %d + %d ) = %d', z, z, delta, gammaDeltaRatio( z, delta ) );
}
logEachMap( 'gamma( %0.4f ) / gamma( %0.4f + %0.4f ) = %0.4f', z, z, delta, gammaDeltaRatio );
Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@ The [Lanczos approximation][lanczos-approximation] for the [gamma function][gamm

<!-- </equation> -->

where `g` is an [arbitrary constant][@stdlib/constants/float64/gamma-lanczos-g] and `L_g(n)` is the Lanczos sum. The scaled Lanczos sum is given by
where `g` is an [arbitrary constant][@stdlib/constants/float64/gamma-lanczos-g] and `L_g(n)` is the Lanczos sum. The scaled Lanczos sum is given by

<!-- <equation class="equation" label="eq:scaled_lanczos_sum" align="center" raw="L_g(n) \cdot \exp(-g)" alt="Scaled Lanczos sum."> -->

Expand Down Expand Up @@ -101,15 +101,16 @@ v = gammaLanczosSumExpGScaled( NaN );
<!-- eslint no-undef: "error" -->

```javascript
var linspace = require( '@stdlib/array/base/linspace' );
var uniform = require( '@stdlib/random/array/uniform' );
var logEachMap = require( '@stdlib/console/log-each-map' );
var gammaLanczosSumExpGScaled = require( '@stdlib/math/base/special/gamma-lanczos-sum-expg-scaled' );

var x = linspace( -10.0, 10.0, 100 );
var opts = {
'dtype': 'float64'
};
var x = uniform( 100, -10.0, 10.0, opts );

var i;
for ( i = 0; i < x.length; i++ ) {
console.log( 'x: %d, f(x): %d', x[ i ], gammaLanczosSumExpGScaled( x[ i ] ) );
}
logEachMap( 'x: %0.4f, f(x): %0.4f', x, gammaLanczosSumExpGScaled );
```

</section>
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Original file line number Diff line number Diff line change
Expand Up @@ -18,12 +18,13 @@

'use strict';

var linspace = require( '@stdlib/array/base/linspace' );
var uniform = require( '@stdlib/random/array/uniform' );
var logEachMap = require( '@stdlib/console/log-each-map' );
var gammaLanczosSumExpGScaled = require( './../lib' );

var x = linspace( -10.0, 10.0, 100 );
var opts = {
'dtype': 'float64'
};
var x = uniform( 100, -10.0, 10.0, opts );

var i;
for ( i = 0; i < x.length; i++ ) {
console.log( 'x: %d, f(x): %d', x[ i ], gammaLanczosSumExpGScaled( x[ i ] ) );
}
logEachMap( 'x: %0.4f, f(x): %0.4f', x, gammaLanczosSumExpGScaled );
Original file line number Diff line number Diff line change
Expand Up @@ -88,15 +88,16 @@ v = gammaLanczosSum( NaN );
<!-- eslint no-undef: "error" -->

```javascript
var linspace = require( '@stdlib/array/base/linspace' );
var uniform = require( '@stdlib/random/array/uniform' );
var logEachMap = require( '@stdlib/console/log-each-map' );
var gammaLanczosSum = require( '@stdlib/math/base/special/gamma-lanczos-sum' );

var x = linspace( -10.0, 10.0, 100 );
var opts = {
'dtype': 'float64'
};
var x = uniform( 100, -10.0, 10.0, opts );

var i;
for ( i = 0; i < x.length; i++ ) {
console.log( 'x: %d, f(x): %d', x[ i ], gammaLanczosSum( x[ i ] ) );
}
logEachMap( 'x: %0.4f, f(x): %0.4f', x, gammaLanczosSum );
```

</section>
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Original file line number Diff line number Diff line change
Expand Up @@ -18,12 +18,13 @@

'use strict';

var linspace = require( '@stdlib/array/base/linspace' );
var uniform = require( '@stdlib/random/array/uniform' );
var logEachMap = require( '@stdlib/console/log-each-map' );
var gammaLanczosSum = require( './../lib' );

var x = linspace( -10.0, 10.0, 100 );
var opts = {
'dtype': 'float64'
};
var x = uniform( 100, -10.0, 10.0, opts );

var i;
for ( i = 0; i < x.length; i++ ) {
console.log( 'x: %d, f(x): %d', x[ i ], gammaLanczosSum( x[ i ] ) );
}
logEachMap( 'x: %0.4f, f(x): %0.4f', x, gammaLanczosSum );
13 changes: 7 additions & 6 deletions lib/node_modules/@stdlib/math/base/special/gamma/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -106,15 +106,16 @@ v = gamma( NaN );
<!-- eslint no-undef: "error" -->

```javascript
var linspace = require( '@stdlib/array/base/linspace' );
var uniform = require( '@stdlib/random/array/uniform' );
var logEachMap = require( '@stdlib/console/log-each-map' );
var gamma = require( '@stdlib/math/base/special/gamma' );

var x = linspace( -10.0, 10.0, 100 );
var opts = {
'dtype': 'float64'
};
var x = uniform( 100, -10.0, 10.0, opts );

var i;
for ( i = 0; i < x.length; i++ ) {
console.log( 'x: %d, f(x): %d', x[ i ], gamma( x[ i ] ) );
}
logEachMap( 'x: %0.4f, f(x): %0.4f', x, gamma );
```

</section>
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Original file line number Diff line number Diff line change
Expand Up @@ -18,12 +18,13 @@

'use strict';

var linspace = require( '@stdlib/array/base/linspace' );
var uniform = require( '@stdlib/random/array/uniform' );
var logEachMap = require( '@stdlib/console/log-each-map' );
var gamma = require( './../lib' );

var x = linspace( -10.0, 10.0, 100 );
var opts = {
'dtype': 'float64'
};
var x = uniform( 100, -10.0, 10.0, opts );

var i;
for ( i = 0; i < x.length; i++ ) {
console.log( 'x: %d, f(x): %d', x[ i ], gamma( x[ i ] ) );
}
logEachMap( 'x: %0.4f, f(x): %0.4f', x, gamma );
14 changes: 7 additions & 7 deletions lib/node_modules/@stdlib/math/base/special/gamma1pm1/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -59,16 +59,16 @@ v = gamma1pm1( NaN );
<!-- eslint no-undef: "error" -->

```javascript
var randu = require( '@stdlib/random/base/randu' );
var uniform = require( '@stdlib/random/array/uniform' );
var logEachMap = require( '@stdlib/console/log-each-map' );
var gamma1pm1 = require( '@stdlib/math/base/special/gamma1pm1' );

var x;
var i;
var opts = {
'dtype': 'float64'
};
var x = uniform( 100, -5.0, 5.0, opts );

for ( i = 0; i < 100; i++ ) {
x = (randu()*10.0) - 5.0;
console.log( 'gamma(%d+1) - 1 = %d', x, gamma1pm1( x ) );
}
logEachMap( 'gamma(%0.4f+1) - 1 = %0.4f', x, gamma1pm1 );
```

</section>
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Original file line number Diff line number Diff line change
Expand Up @@ -18,13 +18,13 @@

'use strict';

var randu = require( '@stdlib/random/base/randu' );
var uniform = require( '@stdlib/random/array/uniform' );
var logEachMap = require( '@stdlib/console/log-each-map' );
var gamma1pm1 = require( './../lib' );

var x;
var i;
var opts = {
'dtype': 'float64'
};
var x = uniform( 100, -5.0, 5.0, opts );

for ( i = 0; i < 100; i++ ) {
x = (randu()*10.0) - 5.0;
console.log( 'gamma(%d+1) - 1 = %d', x, gamma1pm1( x ) );
}
logEachMap( 'gamma(%0.4f+1) - 1 = %0.4f', x, gamma1pm1 );