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Expose rust math with a feature flag

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This commit is contained in:
Wildan M
2026-04-14 06:19:41 +07:00
parent 539d04009a
commit 8f7879fc47
5 changed files with 154 additions and 113 deletions
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Cargo.toml
+1
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@@ -133,6 +133,7 @@ redox_protocols.workspace = true
default = ["check_against_libc_crate", "ld_so_cache", "no_trace"]
check_against_libc_crate = ["__libc_only_for_layout_checks"]
ld_so_cache = []
math_libm = []
no_trace = ["log/release_max_level_debug"]
# for very verbose activity beyond trace level
trace_tls = []
Makefile
+20 -3
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@@ -7,19 +7,26 @@ CARGOFLAGS?=$(CARGO_COMMON_FLAGS)
CC_WRAPPER?=
RUSTCFLAGS?=
LINKFLAGS?=-lgcc
USE_RUST_LIBM?=
TESTBIN?=
export OBJCOPY?=objcopy
export CARGO_TARGET_DIR?=$(shell pwd)/target
BUILD?=$(CARGO_TARGET_DIR)/$(TARGET)
CARGOFLAGS+=--target=$(TARGET)
EXCEPT_MATH=-not -name "math"
FEATURE_MATH=
ifneq ($(USE_RUST_LIBM),)
FEATURE_MATH=--features math_libm
EXCEPT_MATH=
endif
TARGET_HEADERS?=$(BUILD)/include
export CFLAGS=-I$(TARGET_HEADERS)
PROFILE?=release
HEADERS_UNPARSED=$(shell find src/header -mindepth 1 -maxdepth 1 -type d -not -name "_*" -printf "%f\n")
HEADERS_UNPARSED=$(shell find src/header -mindepth 1 -maxdepth 1 -type d -not -name "_*" $(EXCEPT_MATH) -printf "%f\n")
HEADERS_DEPS=$(shell find src/header -type f \( -name "cbindgen.toml" -o -name "*.rs" \))
#HEADERS=$(patsubst %,%.h,$(subst _,/,$(HEADERS_UNPARSED)))
@@ -37,12 +44,14 @@ headers: $(HEADERS_DEPS)
rm -rf $(TARGET_HEADERS)
mkdir -p $(TARGET_HEADERS)
cp -r include/* $(TARGET_HEADERS)
ifeq ($(USE_RUST_LIBM),)
cp "openlibm/include"/*.h $(TARGET_HEADERS)
cp "openlibm/src"/*.h $(TARGET_HEADERS)
endif
@set -e ; \
for header in $(HEADERS_UNPARSED); do \
echo -e "\033[0;36;49mWriting Header $$header\033[0m"; \
if test -f "src/header/$$header/cbindgen.toml"; then \
echo -e "\033[0;36;49mWriting Header $$header\033[0m"; \
out=`echo "$$header" | sed 's/_/\//g'`; \
out="$(TARGET_HEADERS)/$$out.h"; \
cat "src/header/$$header/cbindgen.toml" cbindgen.globdefs.toml \
@@ -83,7 +92,9 @@ install-libs: headers libs
cp -v "$(BUILD)/$(PROFILE)/crti.o" "$(DESTDIR)/lib"
cp -v "$(BUILD)/$(PROFILE)/crtn.o" "$(DESTDIR)/lib"
cp -v "$(BUILD)/$(PROFILE)/ld_so" "$(DESTDIR)/$(LD_SO_PATH)"
ifeq ($(USE_RUST_LIBM),)
cp -v "$(BUILD)/openlibm/libopenlibm.a" "$(DESTDIR)/lib/libm.a"
endif
# Empty libraries for dl, pthread, and rt
$(AR) -rcs "$(DESTDIR)/lib/libdl.a"
$(AR) -rcs "$(DESTDIR)/lib/libpthread.a"
@@ -149,7 +160,7 @@ $(BUILD)/$(PROFILE)/libc.a: $(BUILD)/$(PROFILE)/librelibc.a $(BUILD)/openlibm/li
# Debug targets
$(BUILD)/debug/librelibc.a: $(SRC)
$(CARGO) rustc $(CARGOFLAGS) -- --emit link=$@ -g -C debug-assertions=no $(RUSTCFLAGS)
$(CARGO) rustc $(CARGOFLAGS) $(FEATURE_MATH) -- --emit link=$@ -g -C debug-assertions=no $(RUSTCFLAGS)
./renamesyms.sh "$@" "$(BUILD)/debug/deps/"
./stripcore.sh "$@"
touch $@
@@ -205,6 +216,12 @@ $(BUILD)/openlibm: openlibm
mv $@.partial $@
touch $@
ifeq ($(USE_RUST_LIBM),)
$(BUILD)/openlibm/libopenlibm.a: $(BUILD)/openlibm $(BUILD)/$(PROFILE)/librelibc.a
$(MAKE) -s AR=$(AR) CC="$(CC_WRAPPER) $(CC)" LD=$(LD) CPPFLAGS="$(CPPFLAGS) -fno-stack-protector -I$(shell pwd)/include -I$(TARGET_HEADERS)" -C $< libopenlibm.a
./renamesyms.sh "$@" "$(BUILD)/release/deps/"
else
$(BUILD)/openlibm/libopenlibm.a:
mkdir -p "$(BUILD)/openlibm"
$(AR) -rcs "$(BUILD)/openlibm/libopenlibm.a"
endif
src/header/math/cbindgen.toml
+10
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@@ -0,0 +1,10 @@
# Note: changing this file requires `make clean`.
sys_includes = []
include_guard = "_RELIBC_MATH_H"
language = "C"
style = "Type"
no_includes = true
cpp_compat = true
[enum]
prefix_with_name = true
src/header/math/mod.rs
+120 -108
View File
@@ -7,25 +7,25 @@ use crate::platform::types::{c_double, c_float, c_int};
// TODO constants (some already defined in C)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/acos.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn acos(x: c_double) -> c_double {
libm::acos(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/acos.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn acosf(x: c_float) -> c_float {
libm::acosf(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/acosh.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn acosh(x: c_double) -> c_double {
libm::acosh(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/acosh.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn acoshf(x: c_float) -> c_float {
libm::acoshf(x)
}
@@ -33,25 +33,25 @@ pub unsafe extern "C" fn acoshf(x: c_float) -> c_float {
// TODO acoshl, acosl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/asin.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn asin(x: c_double) -> c_double {
libm::asin(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/asin.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn asinf(x: c_float) -> c_float {
libm::asinf(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/asinh.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn asinh(x: c_double) -> c_double {
libm::asinh(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/asinh.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn asinhf(x: c_float) -> c_float {
libm::asinhf(x)
}
@@ -59,19 +59,19 @@ pub unsafe extern "C" fn asinhf(x: c_float) -> c_float {
// TODO asinhl, asinl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/atan.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn atan(x: c_double) -> c_double {
libm::atan(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/atan2.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn atan2(y: c_double, x: c_double) -> c_double {
libm::atan2(y, x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/atan2.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn atan2f(y: c_float, x: c_float) -> c_float {
libm::atan2f(y, x)
}
@@ -79,19 +79,19 @@ pub unsafe extern "C" fn atan2f(y: c_float, x: c_float) -> c_float {
// TODO atan2l (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/atan.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn atanf(x: c_float) -> c_float {
libm::atanf(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/atanh.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn atanh(x: c_double) -> c_double {
libm::atanh(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/atanh.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn atanhf(x: c_float) -> c_float {
libm::atanhf(x)
}
@@ -99,13 +99,13 @@ pub unsafe extern "C" fn atanhf(x: c_float) -> c_float {
// TODO atanhl, atanl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/cbrt.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn cbrt(x: c_double) -> c_double {
libm::cbrt(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/cbrt.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn cbrtf(x: c_float) -> c_float {
libm::cbrtf(x)
}
@@ -113,13 +113,13 @@ pub unsafe extern "C" fn cbrtf(x: c_float) -> c_float {
// TODO cbrtl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/ceil.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn ceil(x: c_double) -> c_double {
libm::ceil(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/ceil.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn ceilf(x: c_float) -> c_float {
libm::ceilf(x)
}
@@ -127,13 +127,13 @@ pub unsafe extern "C" fn ceilf(x: c_float) -> c_float {
// TODO ceill (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/copysign.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn copysign(x: c_double, y: c_double) -> c_double {
libm::copysign(x, y)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/copysign.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn copysignf(x: c_float, y: c_float) -> c_float {
libm::copysignf(x, y)
}
@@ -141,25 +141,25 @@ pub unsafe extern "C" fn copysignf(x: c_float, y: c_float) -> c_float {
// TODO copysignl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/cos.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn cos(x: c_double) -> c_double {
libm::cos(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/cos.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn cosf(x: c_float) -> c_float {
libm::cosf(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/cosh.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn cosh(x: c_double) -> c_double {
libm::cosh(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/cosh.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn coshf(x: c_float) -> c_float {
libm::coshf(x)
}
@@ -167,19 +167,19 @@ pub unsafe extern "C" fn coshf(x: c_float) -> c_float {
// TODO coshl, cosl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/erf.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn erf(x: c_double) -> c_double {
libm::erf(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/erfc.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn erfc(x: c_double) -> c_double {
libm::erfc(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/erfc.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn erfcf(x: c_float) -> c_float {
libm::erfcf(x)
}
@@ -187,7 +187,7 @@ pub unsafe extern "C" fn erfcf(x: c_float) -> c_float {
// TODO erfcl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/erf.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn erff(x: c_float) -> c_float {
libm::erff(x)
}
@@ -195,19 +195,19 @@ pub unsafe extern "C" fn erff(x: c_float) -> c_float {
// TODO erfl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/exp.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn exp(x: c_double) -> c_double {
libm::exp(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/exp2.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn exp2(x: c_double) -> c_double {
libm::exp2(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/exp2.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn exp2f(x: c_float) -> c_float {
libm::exp2f(x)
}
@@ -215,7 +215,7 @@ pub unsafe extern "C" fn exp2f(x: c_float) -> c_float {
// TODO exp2l (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/exp.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn expf(x: c_float) -> c_float {
libm::expf(x)
}
@@ -223,13 +223,13 @@ pub unsafe extern "C" fn expf(x: c_float) -> c_float {
// TODO expl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/expm1.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn expm1(x: c_double) -> c_double {
libm::expm1(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/expm1.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn expm1f(x: c_float) -> c_float {
libm::expm1f(x)
}
@@ -237,13 +237,13 @@ pub unsafe extern "C" fn expm1f(x: c_float) -> c_float {
// TODO expm1l (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fabs.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn fabs(x: c_double) -> c_double {
libm::fabs(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fabsf.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn fabsf(x: c_float) -> c_float {
libm::fabsf(x)
}
@@ -251,13 +251,13 @@ pub unsafe extern "C" fn fabsf(x: c_float) -> c_float {
// TODO fabsl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fdim.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn fdim(x: c_double, y: c_double) -> c_double {
libm::fdim(x, y)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fdim.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn fdimf(x: c_float, y: c_float) -> c_float {
libm::fdimf(x, y)
}
@@ -265,13 +265,13 @@ pub unsafe extern "C" fn fdimf(x: c_float, y: c_float) -> c_float {
// TODO fdiml (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/floor.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn floor(x: c_double) -> c_double {
libm::floor(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/floor.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn floorf(x: c_float) -> c_float {
libm::floorf(x)
}
@@ -279,13 +279,13 @@ pub unsafe extern "C" fn floorf(x: c_float) -> c_float {
// TODO floorl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fma.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn fma(x: c_double, y: c_double, z: c_double) -> c_double {
libm::fma(x, y, z)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fma.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn fmaf(x: c_float, y: c_float, z: c_float) -> c_float {
libm::fmaf(x, y, z)
}
@@ -293,13 +293,13 @@ pub unsafe extern "C" fn fmaf(x: c_float, y: c_float, z: c_float) -> c_float {
// TODO fmal (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fmax.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn fmax(x: c_double, y: c_double) -> c_double {
libm::fmax(x, y)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fmax.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn fmaxf(x: c_float, y: c_float) -> c_float {
libm::fmaxf(x, y)
}
@@ -307,13 +307,13 @@ pub unsafe extern "C" fn fmaxf(x: c_float, y: c_float) -> c_float {
// TODO fmaxl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fmin.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn fmin(x: c_double, y: c_double) -> c_double {
libm::fmin(x, y)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fmin.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn fminf(x: c_float, y: c_float) -> c_float {
libm::fminf(x, y)
}
@@ -321,13 +321,13 @@ pub unsafe extern "C" fn fminf(x: c_float, y: c_float) -> c_float {
// TODO fminl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fmod.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn fmod(x: c_double, y: c_double) -> c_double {
libm::fmod(x, y)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fmod.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn fmodf(x: c_float, y: c_float) -> c_float {
libm::fmodf(x, y)
}
@@ -335,31 +335,35 @@ pub unsafe extern "C" fn fmodf(x: c_float, y: c_float) -> c_float {
// TODO fmodl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/frexp.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn frexp(num: c_double, exp: *mut c_int) -> c_double {
let (number, exponent) = libm::frexp(num);
unsafe { *exp = exponent; }
unsafe {
*exp = exponent;
}
number
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/frexp.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn frexpf(num: c_float, exp: *mut c_int) -> c_float {
let (number, exponent) = libm::frexpf(num);
unsafe { *exp = exponent; }
unsafe {
*exp = exponent;
}
number
}
// TODO frexpl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/hypot.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn hypot(x: c_double, y: c_double) -> c_double {
libm::hypot(x, y)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/hypot.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn hypotf(x: c_float, y: c_float) -> c_float {
libm::hypotf(x, y)
}
@@ -367,13 +371,13 @@ pub unsafe extern "C" fn hypotf(x: c_float, y: c_float) -> c_float {
// TODO hypotl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/ilogb.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn ilogb(x: c_double) -> c_int {
libm::ilogb(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/ilogb.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn ilogbf(x: c_float) -> c_int {
libm::ilogbf(x)
}
@@ -381,31 +385,31 @@ pub unsafe extern "C" fn ilogbf(x: c_float) -> c_int {
// TODO ilogbl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/j0.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn j0(x: c_double) -> c_double {
libm::j0(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/j0.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn j1(x: c_double) -> c_double {
libm::j1(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/j0.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn jn(n: c_int, x: c_double) -> c_double {
libm::jn(n, x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/ldexp.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn ldexp(x: c_double, exp: c_int) -> c_double {
libm::ldexp(x, exp)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/ldexp.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn ldexpf(x: c_float, exp: c_int) -> c_float {
libm::ldexpf(x, exp)
}
@@ -413,13 +417,13 @@ pub unsafe extern "C" fn ldexpf(x: c_float, exp: c_int) -> c_float {
// TODO ldexpl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/lgamma.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn lgamma(x: c_double) -> c_double {
libm::lgamma(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/lgamma.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn lgammaf(x: c_float) -> c_float {
libm::lgammaf(x)
}
@@ -435,19 +439,19 @@ pub unsafe extern "C" fn lgammaf(x: c_float) -> c_float {
// TODO llroundl (long double to c_longlong)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/log.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn log(x: c_double) -> c_double {
libm::log(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/log10.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn log10(x: c_double) -> c_double {
libm::log10(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/log10.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn log10f(x: c_float) -> c_float {
libm::log10f(x)
}
@@ -455,13 +459,13 @@ pub unsafe extern "C" fn log10f(x: c_float) -> c_float {
// TODO log10l (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/log1p.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn log1p(x: c_double) -> c_double {
libm::log1p(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/log1p.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn log1pf(x: c_float) -> c_float {
libm::log1pf(x)
}
@@ -469,13 +473,13 @@ pub unsafe extern "C" fn log1pf(x: c_float) -> c_float {
// TODO log1pl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/log2.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn log2(x: c_double) -> c_double {
libm::log2(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/log2.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn log2f(x: c_float) -> c_float {
libm::log2f(x)
}
@@ -487,7 +491,7 @@ pub unsafe extern "C" fn log2f(x: c_float) -> c_float {
// TODO logbl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/log.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn logf(x: c_float) -> c_float {
libm::logf(x)
}
@@ -503,18 +507,22 @@ pub unsafe extern "C" fn logf(x: c_float) -> c_float {
// TODO lroundl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/modf.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn modf(x: c_double, iptr: *mut c_double) -> c_double {
let (integral, fractional) = libm::modf(x);
unsafe { *iptr = integral; }
unsafe {
*iptr = integral;
}
fractional
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/modf.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn modff(value: c_float, iptr: *mut c_float) -> c_float {
let (integral, fractional) = libm::modff(value);
unsafe { *iptr = integral; }
unsafe {
*iptr = integral;
}
fractional
}
@@ -530,13 +538,13 @@ pub unsafe extern "C" fn modff(value: c_float, iptr: *mut c_float) -> c_float {
// TODO nearbyintl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/nextafter.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn nextafter(x: c_double, y: c_double) -> c_double {
libm::nextafter(x, y)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/nextafter.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn nextafterf(x: c_float, y: c_float) -> c_float {
libm::nextafterf(x, y)
}
@@ -548,13 +556,13 @@ pub unsafe extern "C" fn nextafterf(x: c_float, y: c_float) -> c_float {
// TODO nexttowardl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/pow.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn pow(x: c_double, y: c_double) -> c_double {
libm::pow(x, y)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/pow.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn powf(x: c_float, y: c_float) -> c_float {
libm::powf(x, y)
}
@@ -562,13 +570,13 @@ pub unsafe extern "C" fn powf(x: c_float, y: c_float) -> c_float {
// TODO powl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/remainder.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn remainder(x: c_double, y: c_double) -> c_double {
libm::remainder(x, y)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/remainder.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn remainderf(x: c_float, y: c_float) -> c_float {
libm::remainderf(x, y)
}
@@ -576,31 +584,35 @@ pub unsafe extern "C" fn remainderf(x: c_float, y: c_float) -> c_float {
// TODO remainderl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/remquo.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn remquo(x: c_double, y: c_double, quo: *mut c_int) -> c_double {
let (remainder, quotient) = libm::remquo(x, y);
unsafe { *quo = quotient; }
unsafe {
*quo = quotient;
}
remainder
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/remquo.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn remquof(x: c_float, y: c_float, quo: *mut c_int) -> c_float {
let (remainder, quotient) = libm::remquof(x, y);
unsafe { *quo = quotient; }
unsafe {
*quo = quotient;
}
remainder
}
// TODO remquol (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/rint.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn rint(x: c_double) -> c_double {
libm::rint(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/rint.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn rintf(x: c_float) -> c_float {
libm::rintf(x)
}
@@ -608,13 +620,13 @@ pub unsafe extern "C" fn rintf(x: c_float) -> c_float {
// TODO rintl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/round.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn round(x: c_double) -> c_double {
libm::round(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/round.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn roundf(x: c_float) -> c_float {
libm::roundf(x)
}
@@ -626,13 +638,13 @@ pub unsafe extern "C" fn roundf(x: c_float) -> c_float {
// TODO scalblnl (long double, c_long)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/scalbln.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn scalbn(x: c_double, n: c_int) -> c_double {
libm::scalbn(x, n)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/scalbln.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn scalbnf(x: c_float, n: c_int) -> c_float {
libm::scalbnf(x, n)
}
@@ -640,25 +652,25 @@ pub unsafe extern "C" fn scalbnf(x: c_float, n: c_int) -> c_float {
// TODO scalbnl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sin.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn sin(x: c_double) -> c_double {
libm::sin(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sin.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn sinf(x: c_float) -> c_float {
libm::sinf(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sinh.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn sinh(x: c_double) -> c_double {
libm::sinh(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sinh.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn sinhf(x: c_float) -> c_float {
libm::sinhf(x)
}
@@ -667,13 +679,13 @@ pub unsafe extern "C" fn sinhf(x: c_float) -> c_float {
// TODO sinl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sqrt.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn sqrt(x: c_double) -> c_double {
libm::sqrt(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sqrt.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn sqrtf(x: c_float) -> c_float {
libm::sqrtf(x)
}
@@ -681,25 +693,25 @@ pub unsafe extern "C" fn sqrtf(x: c_float) -> c_float {
// TODO sqrtl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/tan.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn tan(x: c_double) -> c_double {
libm::tan(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/tan.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn tanf(x: c_float) -> c_float {
libm::tanf(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/tanh.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn tanh(x: c_double) -> c_double {
libm::tanh(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/tanh.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn tanhf(x: c_float) -> c_float {
libm::tanhf(x)
}
@@ -708,13 +720,13 @@ pub unsafe extern "C" fn tanhf(x: c_float) -> c_float {
// TODO tanl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/tgamma.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn tgamma(x: c_double) -> c_double {
libm::tgamma(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/tgamma.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn tgammaf(x: c_float) -> c_float {
libm::tgammaf(x)
}
@@ -722,13 +734,13 @@ pub unsafe extern "C" fn tgammaf(x: c_float) -> c_float {
// TODO tgammal (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/trunc.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn trunc(x: c_double) -> c_double {
libm::trunc(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/trunc.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn truncf(x: c_float) -> c_float {
libm::truncf(x)
}
@@ -736,19 +748,19 @@ pub unsafe extern "C" fn truncf(x: c_float) -> c_float {
// TODO truncl (long double)
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/y0.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn y0(x: c_double) -> c_double {
libm::y0(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/y0.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn y1(x: c_double) -> c_double {
libm::y1(x)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/y0.html>.
//#[unsafe(no_mangle)]
#[unsafe(no_mangle)]
pub unsafe extern "C" fn yn(n: c_int, x: c_double) -> c_double {
libm::yn(n, x)
}
src/header/mod.rs
+3 -2
View File
@@ -44,8 +44,9 @@ pub mod libgen;
pub mod limits;
pub mod locale;
pub mod malloc;
// pub mod math; // TODO unfinished, uncomment when ready to export
// math.h implemented in C // TODO replace openlibm with rust libm as above
// TODO unfinished, unguard feature when ready
#[cfg(feature = "math_libm")]
pub mod math;
pub mod monetary;
// TODO: mqueue.h
// TODO: ndbm.h