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-rwxr-xr-xsoftfloat/f16_classify.c36
-rw-r--r--softfloat/f16_to_i16.c55
-rw-r--r--softfloat/f16_to_ui16.c52
-rw-r--r--softfloat/f32_to_i16.c55
-rw-r--r--softfloat/f32_to_ui16.c51
-rw-r--r--softfloat/softfloat.h5
-rw-r--r--softfloat/softfloat.mk.in5
-rw-r--r--softfloat/specialize.h7
8 files changed, 266 insertions, 0 deletions
diff --git a/softfloat/f16_classify.c b/softfloat/f16_classify.c
new file mode 100755
index 0000000..9402ff1
--- /dev/null
+++ b/softfloat/f16_classify.c
@@ -0,0 +1,36 @@
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "platform.h"
+#include "internals.h"
+#include "specialize.h"
+#include "softfloat.h"
+
+uint_fast16_t f16_classify( float16_t a )
+{
+ union ui16_f16 uA;
+ uint_fast16_t uiA;
+
+ uA.f = a;
+ uiA = uA.ui;
+
+ uint_fast16_t infOrNaN = expF16UI( uiA ) == 0x1F;
+ uint_fast16_t subnormalOrZero = expF16UI( uiA ) == 0;
+ bool sign = signF16UI( uiA );
+ bool fracZero = fracF16UI( uiA ) == 0;
+ bool isNaN = isNaNF16UI( uiA );
+ bool isSNaN = softfloat_isSigNaNF16UI( uiA );
+
+ return
+ ( sign && infOrNaN && fracZero ) << 0 |
+ ( sign && !infOrNaN && !subnormalOrZero ) << 1 |
+ ( sign && subnormalOrZero && !fracZero ) << 2 |
+ ( sign && subnormalOrZero && fracZero ) << 3 |
+ ( !sign && infOrNaN && fracZero ) << 7 |
+ ( !sign && !infOrNaN && !subnormalOrZero ) << 6 |
+ ( !sign && subnormalOrZero && !fracZero ) << 5 |
+ ( !sign && subnormalOrZero && fracZero ) << 4 |
+ ( isNaN && isSNaN ) << 8 |
+ ( isNaN && !isSNaN ) << 9;
+}
+
diff --git a/softfloat/f16_to_i16.c b/softfloat/f16_to_i16.c
new file mode 100644
index 0000000..0ec7ce1
--- /dev/null
+++ b/softfloat/f16_to_i16.c
@@ -0,0 +1,55 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+#include "specialize.h"
+#include "softfloat.h"
+
+int_fast16_t f16_to_i16( float16_t a, uint_fast8_t roundingMode, bool exact )
+{
+ int_fast32_t sig32 = f16_to_i32(a, roundingMode, exact);
+
+ if (sig32 > INT16_MAX) {
+ softfloat_exceptionFlags |= softfloat_flag_invalid;
+ return i16_fromPosOverflow;
+ } else if (sig32 < INT16_MIN) {
+ softfloat_exceptionFlags |= softfloat_flag_invalid;
+ return i16_fromNegOverflow;
+ } else {
+ return sig32;
+ }
+}
+
diff --git a/softfloat/f16_to_ui16.c b/softfloat/f16_to_ui16.c
new file mode 100644
index 0000000..818328a
--- /dev/null
+++ b/softfloat/f16_to_ui16.c
@@ -0,0 +1,52 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+#include "specialize.h"
+#include "softfloat.h"
+
+uint_fast16_t f16_to_ui16( float16_t a, uint_fast8_t roundingMode, bool exact )
+{
+ uint_fast32_t sig32 = f16_to_ui32(a, roundingMode, exact);
+
+ if (sig32 > UINT16_MAX) {
+ softfloat_exceptionFlags |= softfloat_flag_invalid;
+ return ui16_fromPosOverflow;
+ } else {
+ return sig32;
+ }
+}
+
diff --git a/softfloat/f32_to_i16.c b/softfloat/f32_to_i16.c
new file mode 100644
index 0000000..14ebc6b
--- /dev/null
+++ b/softfloat/f32_to_i16.c
@@ -0,0 +1,55 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+#include "specialize.h"
+#include "softfloat.h"
+
+int_fast16_t f32_to_i16( float32_t a, uint_fast8_t roundingMode, bool exact )
+{
+ int_fast32_t sig32 = f32_to_i32(a, roundingMode, exact);
+
+ if (sig32 > INT16_MAX) {
+ softfloat_exceptionFlags |= softfloat_flag_invalid;
+ return i16_fromPosOverflow;
+ } else if (sig32 < INT16_MIN) {
+ softfloat_exceptionFlags |= softfloat_flag_invalid;
+ return i16_fromNegOverflow;
+ } else {
+ return sig32;
+ }
+}
+
diff --git a/softfloat/f32_to_ui16.c b/softfloat/f32_to_ui16.c
new file mode 100644
index 0000000..a8f458d
--- /dev/null
+++ b/softfloat/f32_to_ui16.c
@@ -0,0 +1,51 @@
+
+/*============================================================================
+
+This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
+Package, Release 3d, by John R. Hauser.
+
+Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
+University of California. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions, and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions, and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of the University nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
+DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=============================================================================*/
+
+#include <stdint.h>
+#include "specialize.h"
+#include "softfloat.h"
+
+uint_fast16_t f32_to_ui16( float32_t a, uint_fast8_t roundingMode, bool exact )
+{
+ uint_fast32_t sig32 = f32_to_ui32(a, roundingMode, exact);
+
+ if (sig32 > UINT16_MAX) {
+ softfloat_exceptionFlags |= softfloat_flag_invalid;
+ return ui16_fromPosOverflow;
+ } else {
+ return sig32;
+ }
+}
diff --git a/softfloat/softfloat.h b/softfloat/softfloat.h
index ddc39e3..5579c68 100644
--- a/softfloat/softfloat.h
+++ b/softfloat/softfloat.h
@@ -141,8 +141,10 @@ void i64_to_f128M( int64_t, float128_t * );
/*----------------------------------------------------------------------------
| 16-bit (half-precision) floating-point operations.
*----------------------------------------------------------------------------*/
+uint_fast16_t f16_to_ui16( float16_t, uint_fast8_t, bool );
uint_fast32_t f16_to_ui32( float16_t, uint_fast8_t, bool );
uint_fast64_t f16_to_ui64( float16_t, uint_fast8_t, bool );
+int_fast16_t f16_to_i16( float16_t, uint_fast8_t, bool );
int_fast32_t f16_to_i32( float16_t, uint_fast8_t, bool );
int_fast64_t f16_to_i64( float16_t, uint_fast8_t, bool );
uint_fast32_t f16_to_ui32_r_minMag( float16_t, bool );
@@ -174,12 +176,15 @@ bool f16_eq_signaling( float16_t, float16_t );
bool f16_le_quiet( float16_t, float16_t );
bool f16_lt_quiet( float16_t, float16_t );
bool f16_isSignalingNaN( float16_t );
+uint_fast16_t f16_classify( float16_t );
/*----------------------------------------------------------------------------
| 32-bit (single-precision) floating-point operations.
*----------------------------------------------------------------------------*/
+uint_fast16_t f32_to_ui16( float32_t, uint_fast8_t, bool );
uint_fast32_t f32_to_ui32( float32_t, uint_fast8_t, bool );
uint_fast64_t f32_to_ui64( float32_t, uint_fast8_t, bool );
+int_fast16_t f32_to_i16( float32_t, uint_fast8_t, bool );
int_fast32_t f32_to_i32( float32_t, uint_fast8_t, bool );
int_fast64_t f32_to_i64( float32_t, uint_fast8_t, bool );
uint_fast32_t f32_to_ui32_r_minMag( float32_t, bool );
diff --git a/softfloat/softfloat.mk.in b/softfloat/softfloat.mk.in
index 52ee1dd..56fc560 100644
--- a/softfloat/softfloat.mk.in
+++ b/softfloat/softfloat.mk.in
@@ -38,6 +38,7 @@ softfloat_c_srcs = \
f128_to_ui64.c \
f128_to_ui64_r_minMag.c \
f16_add.c \
+ f16_classify.c \
f16_div.c \
f16_eq.c \
f16_eq_signaling.c \
@@ -55,10 +56,12 @@ softfloat_c_srcs = \
f16_to_f128.c \
f16_to_f32.c \
f16_to_f64.c \
+ f16_to_i16.c \
f16_to_i32.c \
f16_to_i32_r_minMag.c \
f16_to_i64.c \
f16_to_i64_r_minMag.c \
+ f16_to_ui16.c \
f16_to_ui32.c \
f16_to_ui32_r_minMag.c \
f16_to_ui64.c \
@@ -82,10 +85,12 @@ softfloat_c_srcs = \
f32_to_f128.c \
f32_to_f16.c \
f32_to_f64.c \
+ f32_to_i16.c \
f32_to_i32.c \
f32_to_i32_r_minMag.c \
f32_to_i64.c \
f32_to_i64_r_minMag.c \
+ f32_to_ui16.c \
f32_to_ui32.c \
f32_to_ui32_r_minMag.c \
f32_to_ui64.c \
diff --git a/softfloat/specialize.h b/softfloat/specialize.h
index 629d518..8bd9857 100644
--- a/softfloat/specialize.h
+++ b/softfloat/specialize.h
@@ -55,6 +55,13 @@ extern "C" {
| The values to return on conversions to 32-bit integer formats that raise an
| invalid exception.
*----------------------------------------------------------------------------*/
+#define ui16_fromPosOverflow 0xFFFF
+#define ui16_fromNegOverflow 0
+#define ui16_fromNaN 0xFFFF
+#define i16_fromPosOverflow 0x7FFF
+#define i16_fromNegOverflow (-0x7FFF - 1)
+#define i16_fromNaN 0x7FFF
+
#define ui32_fromPosOverflow 0xFFFFFFFF
#define ui32_fromNegOverflow 0
#define ui32_fromNaN 0xFFFFFFFF
generated by cgit v1.1 at 2024-09-12 08:46:02 +0000