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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>ArrayLabels (ocaml.Stdlib.Float.ArrayLabels)</title><link rel="stylesheet" href="../../../../_odoc-theme/odoc.css"/><meta charset="utf-8"/><meta name="generator" content="odoc 2.2.1"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../../../../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> – <a href="../../../index.html">ocaml</a> » <a href="../../index.html">Stdlib</a> » <a href="../index.html">Float</a> » ArrayLabels</nav><header class="odoc-preamble"><h1>Module <code><span>Float.ArrayLabels</span></code></h1><p>Float arrays with packed representation (labeled functions).</p></header><nav class="odoc-toc"><ul><li><a href="#iterators">Iterators</a></li><li><a href="#iterators-on-two-arrays">Iterators on two arrays</a></li><li><a href="#array-scanning">Array scanning</a></li><li><a href="#sorting">Sorting</a></li><li><a href="#float-arrays-and-sequences">Float arrays and Sequences</a></li></ul></nav><div class="odoc-content"><div class="odoc-spec"><div class="spec type anchored" id="type-t"><a href="#type-t" class="anchor"></a><code><span><span class="keyword">type</span> t</span><span> = floatarray</span></code></div><div class="spec-doc"><p>The type of float arrays with packed representation.</p><ul class="at-tags"><li class="since"><span class="at-tag">since</span> 4.08.0</li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-length"><a href="#val-length" class="anchor"></a><code><span><span class="keyword">val</span> length : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> int</span></code></div><div class="spec-doc"><p>Return the length (number of elements) of the given floatarray.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-get"><a href="#val-get" class="anchor"></a><code><span><span class="keyword">val</span> get : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <span>int <span class="arrow">-></span></span> float</span></code></div><div class="spec-doc"><p><code>get a n</code> returns the element number <code>n</code> of floatarray <code>a</code>.</p><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <span class="value">Invalid_argument</span> <p>if <code>n</code> is outside the range 0 to <code>(length a - 1)</code>.</p></li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-set"><a href="#val-set" class="anchor"></a><code><span><span class="keyword">val</span> set : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <span>int <span class="arrow">-></span></span> <span>float <span class="arrow">-></span></span> unit</span></code></div><div class="spec-doc"><p><code>set a n x</code> modifies floatarray <code>a</code> in place, replacing element number <code>n</code> with <code>x</code>.</p><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <span class="value">Invalid_argument</span> <p>if <code>n</code> is outside the range 0 to <code>(length a - 1)</code>.</p></li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-make"><a href="#val-make" class="anchor"></a><code><span><span class="keyword">val</span> make : <span>int <span class="arrow">-></span></span> <span>float <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>make n x</code> returns a fresh floatarray of length <code>n</code>, initialized with <code>x</code>.</p><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <span class="value">Invalid_argument</span> <p>if <code>n < 0</code> or <code>n > Sys.max_floatarray_length</code>.</p></li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-create"><a href="#val-create" class="anchor"></a><code><span><span class="keyword">val</span> create : <span>int <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>create n</code> returns a fresh floatarray of length <code>n</code>, with uninitialized data.</p><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <span class="value">Invalid_argument</span> <p>if <code>n < 0</code> or <code>n > Sys.max_floatarray_length</code>.</p></li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-init"><a href="#val-init" class="anchor"></a><code><span><span class="keyword">val</span> init : <span>int <span class="arrow">-></span></span> <span>f:<span>(<span>int <span class="arrow">-></span></span> float)</span> <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>init n ~f</code> returns a fresh floatarray of length <code>n</code>, with element number <code>i</code> initialized to the result of <code>f i</code>. In other terms, <code>init n ~f</code> tabulates the results of <code>f</code> applied to the integers <code>0</code> to <code>n-1</code>.</p><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <span class="value">Invalid_argument</span> <p>if <code>n < 0</code> or <code>n > Sys.max_floatarray_length</code>.</p></li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-append"><a href="#val-append" class="anchor"></a><code><span><span class="keyword">val</span> append : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>append v1 v2</code> returns a fresh floatarray containing the concatenation of the floatarrays <code>v1</code> and <code>v2</code>.</p><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <span class="value">Invalid_argument</span> <p>if <code>length v1 + length v2 > Sys.max_floatarray_length</code>.</p></li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-concat"><a href="#val-concat" class="anchor"></a><code><span><span class="keyword">val</span> concat : <span><span><a href="#type-t">t</a> list</span> <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p>Same as <a href="#val-append"><code>append</code></a>, but concatenates a list of floatarrays.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-sub"><a href="#val-sub" class="anchor"></a><code><span><span class="keyword">val</span> sub : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <span>pos:int <span class="arrow">-></span></span> <span>len:int <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>sub a ~pos ~len</code> returns a fresh floatarray of length <code>len</code>, containing the elements number <code>pos</code> to <code>pos + len - 1</code> of floatarray <code>a</code>.</p><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <span class="value">Invalid_argument</span> <p>if <code>pos</code> and <code>len</code> do not designate a valid subarray of <code>a</code>; that is, if <code>pos < 0</code>, or <code>len < 0</code>, or <code>pos + len > length a</code>.</p></li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-copy"><a href="#val-copy" class="anchor"></a><code><span><span class="keyword">val</span> copy : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>copy a</code> returns a copy of <code>a</code>, that is, a fresh floatarray containing the same elements as <code>a</code>.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-fill"><a href="#val-fill" class="anchor"></a><code><span><span class="keyword">val</span> fill : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <span>pos:int <span class="arrow">-></span></span> <span>len:int <span class="arrow">-></span></span> <span>float <span class="arrow">-></span></span> unit</span></code></div><div class="spec-doc"><p><code>fill a ~pos ~len x</code> modifies the floatarray <code>a</code> in place, storing <code>x</code> in elements number <code>pos</code> to <code>pos + len - 1</code>.</p><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <span class="value">Invalid_argument</span> <p>if <code>pos</code> and <code>len</code> do not designate a valid subarray of <code>a</code>.</p></li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-blit"><a href="#val-blit" class="anchor"></a><code><span><span class="keyword">val</span> blit : <span>src:<a href="#type-t">t</a> <span class="arrow">-></span></span> <span>src_pos:int <span class="arrow">-></span></span> <span>dst:<a href="#type-t">t</a> <span class="arrow">-></span></span> <span>dst_pos:int <span class="arrow">-></span></span> <span>len:int <span class="arrow">-></span></span> unit</span></code></div><div class="spec-doc"><p><code>blit ~src ~src_pos ~dst ~dst_pos ~len</code> copies <code>len</code> elements from floatarray <code>src</code>, starting at element number <code>src_pos</code>, to floatarray <code>dst</code>, starting at element number <code>dst_pos</code>. It works correctly even if <code>src</code> and <code>dst</code> are the same floatarray, and the source and destination chunks overlap.</p><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <span class="value">Invalid_argument</span> <p>if <code>src_pos</code> and <code>len</code> do not designate a valid subarray of <code>src</code>, or if <code>dst_pos</code> and <code>len</code> do not designate a valid subarray of <code>dst</code>.</p></li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-to_list"><a href="#val-to_list" class="anchor"></a><code><span><span class="keyword">val</span> to_list : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <span>float list</span></span></code></div><div class="spec-doc"><p><code>to_list a</code> returns the list of all the elements of <code>a</code>.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-of_list"><a href="#val-of_list" class="anchor"></a><code><span><span class="keyword">val</span> of_list : <span><span>float list</span> <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>of_list l</code> returns a fresh floatarray containing the elements of <code>l</code>.</p><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <span class="value">Invalid_argument</span> <p>if the length of <code>l</code> is greater than <code>Sys.max_floatarray_length</code>.</p></li></ul></div></div><h3 id="iterators"><a href="#iterators" class="anchor"></a>Iterators</h3><div class="odoc-spec"><div class="spec value anchored" id="val-iter"><a href="#val-iter" class="anchor"></a><code><span><span class="keyword">val</span> iter : <span>f:<span>(<span>float <span class="arrow">-></span></span> unit)</span> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> unit</span></code></div><div class="spec-doc"><p><code>iter ~f a</code> applies function <code>f</code> in turn to all the elements of <code>a</code>. It is equivalent to <code>f a.(0); f a.(1); ...; f a.(length a - 1); ()</code>.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-iteri"><a href="#val-iteri" class="anchor"></a><code><span><span class="keyword">val</span> iteri : <span>f:<span>(<span>int <span class="arrow">-></span></span> <span>float <span class="arrow">-></span></span> unit)</span> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> unit</span></code></div><div class="spec-doc"><p>Same as <a href="#val-iter"><code>iter</code></a>, but the function is applied with the index of the element as first argument, and the element itself as second argument.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-map"><a href="#val-map" class="anchor"></a><code><span><span class="keyword">val</span> map : <span>f:<span>(<span>float <span class="arrow">-></span></span> float)</span> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>map ~f a</code> applies function <code>f</code> to all the elements of <code>a</code>, and builds a floatarray with the results returned by <code>f</code>.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-mapi"><a href="#val-mapi" class="anchor"></a><code><span><span class="keyword">val</span> mapi : <span>f:<span>(<span>int <span class="arrow">-></span></span> <span>float <span class="arrow">-></span></span> float)</span> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p>Same as <a href="#val-map"><code>map</code></a>, but the function is applied to the index of the element as first argument, and the element itself as second argument.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-fold_left"><a href="#val-fold_left" class="anchor"></a><code><span><span class="keyword">val</span> fold_left : <span>f:<span>(<span><span class="type-var">'a</span> <span class="arrow">-></span></span> <span>float <span class="arrow">-></span></span> <span class="type-var">'a</span>)</span> <span class="arrow">-></span></span> <span>init:<span class="type-var">'a</span> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <span class="type-var">'a</span></span></code></div><div class="spec-doc"><p><code>fold_left ~f x ~init</code> computes <code>f (... (f (f x init.(0)) init.(1)) ...) init.(n-1)</code>, where <code>n</code> is the length of the floatarray <code>init</code>.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-fold_right"><a href="#val-fold_right" class="anchor"></a><code><span><span class="keyword">val</span> fold_right : <span>f:<span>(<span>float <span class="arrow">-></span></span> <span><span class="type-var">'a</span> <span class="arrow">-></span></span> <span class="type-var">'a</span>)</span> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <span>init:<span class="type-var">'a</span> <span class="arrow">-></span></span> <span class="type-var">'a</span></span></code></div><div class="spec-doc"><p><code>fold_right f a init</code> computes <code>f a.(0) (f a.(1) ( ... (f a.(n-1) init) ...))</code>, where <code>n</code> is the length of the floatarray <code>a</code>.</p></div></div><h3 id="iterators-on-two-arrays"><a href="#iterators-on-two-arrays" class="anchor"></a>Iterators on two arrays</h3><div class="odoc-spec"><div class="spec value anchored" id="val-iter2"><a href="#val-iter2" class="anchor"></a><code><span><span class="keyword">val</span> iter2 : <span>f:<span>(<span>float <span class="arrow">-></span></span> <span>float <span class="arrow">-></span></span> unit)</span> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> unit</span></code></div><div class="spec-doc"><p><code>Array.iter2 ~f a b</code> applies function <code>f</code> to all the elements of <code>a</code> and <code>b</code>.</p><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <span class="value">Invalid_argument</span> <p>if the floatarrays are not the same size.</p></li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-map2"><a href="#val-map2" class="anchor"></a><code><span><span class="keyword">val</span> map2 : <span>f:<span>(<span>float <span class="arrow">-></span></span> <span>float <span class="arrow">-></span></span> float)</span> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>map2 ~f a b</code> applies function <code>f</code> to all the elements of <code>a</code> and <code>b</code>, and builds a floatarray with the results returned by <code>f</code>: <code>[| f a.(0) b.(0); ...; f a.(length a - 1) b.(length b - 1)|]</code>.</p><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <span class="value">Invalid_argument</span> <p>if the floatarrays are not the same size.</p></li></ul></div></div><h3 id="array-scanning"><a href="#array-scanning" class="anchor"></a>Array scanning</h3><div class="odoc-spec"><div class="spec value anchored" id="val-for_all"><a href="#val-for_all" class="anchor"></a><code><span><span class="keyword">val</span> for_all : <span>f:<span>(<span>float <span class="arrow">-></span></span> bool)</span> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> bool</span></code></div><div class="spec-doc"><p><code>for_all ~f [|a1; ...; an|]</code> checks if all elements of the floatarray satisfy the predicate <code>f</code>. That is, it returns <code>(f a1) && (f a2) && ... && (f an)</code>.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-exists"><a href="#val-exists" class="anchor"></a><code><span><span class="keyword">val</span> exists : <span>f:<span>(<span>float <span class="arrow">-></span></span> bool)</span> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> bool</span></code></div><div class="spec-doc"><p><code>exists f [|a1; ...; an|]</code> checks if at least one element of the floatarray satisfies the predicate <code>f</code>. That is, it returns <code>(f a1) || (f a2) || ... || (f an)</code>.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-mem"><a href="#val-mem" class="anchor"></a><code><span><span class="keyword">val</span> mem : <span>float <span class="arrow">-></span></span> <span>set:<a href="#type-t">t</a> <span class="arrow">-></span></span> bool</span></code></div><div class="spec-doc"><p><code>mem a ~set</code> is true if and only if there is an element of <code>set</code> that is structurally equal to <code>a</code>, i.e. there is an <code>x</code> in <code>set</code> such that <code>compare a x = 0</code>.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-mem_ieee"><a href="#val-mem_ieee" class="anchor"></a><code><span><span class="keyword">val</span> mem_ieee : <span>float <span class="arrow">-></span></span> <span>set:<a href="#type-t">t</a> <span class="arrow">-></span></span> bool</span></code></div><div class="spec-doc"><p>Same as <a href="#val-mem"><code>mem</code></a>, but uses IEEE equality instead of structural equality.</p></div></div><h3 id="sorting"><a href="#sorting" class="anchor"></a>Sorting</h3><div class="odoc-spec"><div class="spec value anchored" id="val-sort"><a href="#val-sort" class="anchor"></a><code><span><span class="keyword">val</span> sort : <span>cmp:<span>(<span>float <span class="arrow">-></span></span> <span>float <span class="arrow">-></span></span> int)</span> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> unit</span></code></div><div class="spec-doc"><p>Sort a floatarray in increasing order according to a comparison function. The comparison function must return 0 if its arguments compare as equal, a positive integer if the first is greater, and a negative integer if the first is smaller (see below for a complete specification). For example, <a href="../../index.html#val-compare"><code>Stdlib.compare</code></a> is a suitable comparison function. After calling <code>sort</code>, the array is sorted in place in increasing order. <code>sort</code> is guaranteed to run in constant heap space and (at most) logarithmic stack space.</p><p>The current implementation uses Heap Sort. It runs in constant stack space.</p><p>Specification of the comparison function: Let <code>a</code> be the floatarray and <code>cmp</code> the comparison function. The following must be true for all <code>x</code>, <code>y</code>, <code>z</code> in <code>a</code> :</p><ul><li><code>cmp x y</code> > 0 if and only if <code>cmp y x</code> < 0</li><li>if <code>cmp x y</code> >= 0 and <code>cmp y z</code> >= 0 then <code>cmp x z</code> >= 0</li></ul><p>When <code>sort</code> returns, <code>a</code> contains the same elements as before, reordered in such a way that for all i and j valid indices of <code>a</code> :</p><ul><li><code>cmp a.(i) a.(j)</code> >= 0 if and only if i >= j</li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-stable_sort"><a href="#val-stable_sort" class="anchor"></a><code><span><span class="keyword">val</span> stable_sort : <span>cmp:<span>(<span>float <span class="arrow">-></span></span> <span>float <span class="arrow">-></span></span> int)</span> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> unit</span></code></div><div class="spec-doc"><p>Same as <a href="#val-sort"><code>sort</code></a>, but the sorting algorithm is stable (i.e. elements that compare equal are kept in their original order) and not guaranteed to run in constant heap space.</p><p>The current implementation uses Merge Sort. It uses a temporary floatarray of length <code>n/2</code>, where <code>n</code> is the length of the floatarray. It is usually faster than the current implementation of <a href="#val-sort"><code>sort</code></a>.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-fast_sort"><a href="#val-fast_sort" class="anchor"></a><code><span><span class="keyword">val</span> fast_sort : <span>cmp:<span>(<span>float <span class="arrow">-></span></span> <span>float <span class="arrow">-></span></span> int)</span> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> unit</span></code></div><div class="spec-doc"><p>Same as <a href="#val-sort"><code>sort</code></a> or <a href="#val-stable_sort"><code>stable_sort</code></a>, whichever is faster on typical input.</p></div></div><h3 id="float-arrays-and-sequences"><a href="#float-arrays-and-sequences" class="anchor"></a>Float arrays and Sequences</h3><div class="odoc-spec"><div class="spec value anchored" id="val-to_seq"><a href="#val-to_seq" class="anchor"></a><code><span><span class="keyword">val</span> to_seq : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <span>float <a href="../../Seq/index.html#type-t">Seq.t</a></span></span></code></div><div class="spec-doc"><p>Iterate on the floatarray, in increasing order. Modifications of the floatarray during iteration will be reflected in the sequence.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-to_seqi"><a href="#val-to_seqi" class="anchor"></a><code><span><span class="keyword">val</span> to_seqi : <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <span><span>(int * float)</span> <a href="../../Seq/index.html#type-t">Seq.t</a></span></span></code></div><div class="spec-doc"><p>Iterate on the floatarray, in increasing order, yielding indices along elements. Modifications of the floatarray during iteration will be reflected in the sequence.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-of_seq"><a href="#val-of_seq" class="anchor"></a><code><span><span class="keyword">val</span> of_seq : <span><span>float <a href="../../Seq/index.html#type-t">Seq.t</a></span> <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p>Create an array from the generator.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-map_to_array"><a href="#val-map_to_array" class="anchor"></a><code><span><span class="keyword">val</span> map_to_array : <span>f:<span>(<span>float <span class="arrow">-></span></span> <span class="type-var">'a</span>)</span> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <span><span class="type-var">'a</span> array</span></span></code></div><div class="spec-doc"><p><code>map_to_array ~f a</code> applies function <code>f</code> to all the elements of <code>a</code>, and builds an array with the results returned by <code>f</code>: <code>[| f a.(0); f a.(1); ...; f a.(length a - 1) |]</code>.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-map_from_array"><a href="#val-map_from_array" class="anchor"></a><code><span><span class="keyword">val</span> map_from_array : <span>f:<span>(<span><span class="type-var">'a</span> <span class="arrow">-></span></span> float)</span> <span class="arrow">-></span></span> <span><span><span class="type-var">'a</span> array</span> <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>map_from_array ~f a</code> applies function <code>f</code> to all the elements of <code>a</code>, and builds a floatarray with the results returned by <code>f</code>.</p></div></div></div></body></html> |