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feat: add C implementation for math/base/special/riemann-zeta
#2737
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7ffb4c3
feat: add C implementation for math/base/special/riemann-zeta
gunjjoshi a214960
docs: use correct function name
gunjjoshi 98e1cda
docs: update header guards to match package path
gunjjoshi d8832e1
docs: set sign to double
gunjjoshi be48081
docs: cast is to double
gunjjoshi de4f917
docs: change MAX_LN to double
gunjjoshi 7dee88f
docs: remove explicit cast of TWO_PI to double
gunjjoshi 782944c
style: remove parentheses
gunjjoshi 37b3254
Update example.c
gunjjoshi 2c85b22
docs: add comment on different tolerance
gunjjoshi 3410526
docs: update test descriptions
gunjjoshi 51be29d
bench: update benchmarks
gunjjoshi df59f4c
bench: update benchmarks
gunjjoshi f16a1a0
Merge remote-tracking branch 'upstream/develop' into reimann-zeta
stdlib-bot 4addaa7
docs: update header file name
gunjjoshi 89bc635
Merge branch 'reimann-zeta' of https://github.com/gunjjoshi/stdlib in…
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62 changes: 62 additions & 0 deletions
62
lib/node_modules/@stdlib/math/base/special/riemann-zeta/benchmark/benchmark.native.js
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/** | ||
* @license Apache-2.0 | ||
* | ||
* Copyright (c) 2024 The Stdlib Authors. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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'use strict'; | ||
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// MODULES // | ||
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var resolve = require( 'path' ).resolve; | ||
var bench = require( '@stdlib/bench' ); | ||
var randu = require( '@stdlib/random/array/uniform' ); | ||
var isnan = require( '@stdlib/math/base/assert/is-nan' ); | ||
var EPS = require( '@stdlib/constants/float64/eps' ); | ||
var tryRequire = require( '@stdlib/utils/try-require' ); | ||
var pkg = require( './../package.json' ).name; | ||
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// VARIABLES // | ||
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var zeta = tryRequire( resolve( __dirname, './../lib/native.js' ) ); | ||
var opts = { | ||
'skip': ( zeta instanceof Error ) | ||
}; | ||
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// MAIN // | ||
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bench( pkg+'::native', opts, function benchmark( b ) { | ||
var x; | ||
var y; | ||
var i; | ||
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x = randu( 100, 1.0 + EPS, 57.0 + EPS ); | ||
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b.tic(); | ||
for ( i = 0; i < b.iterations; i++ ) { | ||
y = zeta( x[ i % x.length ] ); | ||
if ( isnan( y ) ) { | ||
b.fail( 'should not return NaN' ); | ||
} | ||
} | ||
b.toc(); | ||
if ( isnan( y ) ) { | ||
b.fail( 'should not return NaN' ); | ||
} | ||
b.pass( 'benchmark finished' ); | ||
b.end(); | ||
}); |
146 changes: 146 additions & 0 deletions
146
lib/node_modules/@stdlib/math/base/special/riemann-zeta/benchmark/c/native/Makefile
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#/ | ||
# @license Apache-2.0 | ||
# | ||
# Copyright (c) 2024 The Stdlib Authors. | ||
# | ||
# Licensed under the Apache License, Version 2.0 (the "License"); | ||
# you may not use this file except in compliance with the License. | ||
# You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, software | ||
# distributed under the License is distributed on an "AS IS" BASIS, | ||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
# See the License for the specific language governing permissions and | ||
# limitations under the License. | ||
#/ | ||
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# VARIABLES # | ||
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ifndef VERBOSE | ||
QUIET := @ | ||
else | ||
QUIET := | ||
endif | ||
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# Determine the OS ([1][1], [2][2]). | ||
# | ||
# [1]: https://en.wikipedia.org/wiki/Uname#Examples | ||
# [2]: http://stackoverflow.com/a/27776822/2225624 | ||
OS ?= $(shell uname) | ||
ifneq (, $(findstring MINGW,$(OS))) | ||
OS := WINNT | ||
else | ||
ifneq (, $(findstring MSYS,$(OS))) | ||
OS := WINNT | ||
else | ||
ifneq (, $(findstring CYGWIN,$(OS))) | ||
OS := WINNT | ||
else | ||
ifneq (, $(findstring Windows_NT,$(OS))) | ||
OS := WINNT | ||
endif | ||
endif | ||
endif | ||
endif | ||
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# Define the program used for compiling C source files: | ||
ifdef C_COMPILER | ||
CC := $(C_COMPILER) | ||
else | ||
CC := gcc | ||
endif | ||
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# Define the command-line options when compiling C files: | ||
CFLAGS ?= \ | ||
-std=c99 \ | ||
-O3 \ | ||
-Wall \ | ||
-pedantic | ||
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# Determine whether to generate position independent code ([1][1], [2][2]). | ||
# | ||
# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options | ||
# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option | ||
ifeq ($(OS), WINNT) | ||
fPIC ?= | ||
else | ||
fPIC ?= -fPIC | ||
endif | ||
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# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): | ||
INCLUDE ?= | ||
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# List of source files: | ||
SOURCE_FILES ?= | ||
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# List of libraries (e.g., `-lopenblas -lpthread`): | ||
LIBRARIES ?= | ||
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# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): | ||
LIBPATH ?= | ||
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# List of C targets: | ||
c_targets := benchmark.out | ||
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# RULES # | ||
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#/ | ||
# Compiles source files. | ||
# | ||
# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) | ||
# @param {string} [CFLAGS] - C compiler options | ||
# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) | ||
# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) | ||
# @param {string} [SOURCE_FILES] - list of source files | ||
# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) | ||
# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) | ||
# | ||
# @example | ||
# make | ||
# | ||
# @example | ||
# make all | ||
#/ | ||
all: $(c_targets) | ||
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.PHONY: all | ||
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#/ | ||
# Compiles C source files. | ||
# | ||
# @private | ||
# @param {string} CC - C compiler (e.g., `gcc`) | ||
# @param {string} CFLAGS - C compiler options | ||
# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) | ||
# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) | ||
# @param {string} SOURCE_FILES - list of source files | ||
# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) | ||
# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) | ||
#/ | ||
$(c_targets): %.out: %.c | ||
$(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) | ||
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#/ | ||
# Runs compiled benchmarks. | ||
# | ||
# @example | ||
# make run | ||
#/ | ||
run: $(c_targets) | ||
$(QUIET) ./$< | ||
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.PHONY: run | ||
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#/ | ||
# Removes generated files. | ||
# | ||
# @example | ||
# make clean | ||
#/ | ||
clean: | ||
$(QUIET) -rm -f *.o *.out | ||
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.PHONY: clean |
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