//***************************************************************************** // // fpu.h - Prototypes for the floatint point manipulation routines. // // Copyright (c) 2011-2020 Texas Instruments Incorporated. All rights reserved. // Software License Agreement // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // // Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // // 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. // // Neither the name of Texas Instruments Incorporated 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 COPYRIGHT HOLDERS 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 COPYRIGHT // OWNER 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. // // This is part of revision 2.2.0.295 of the Tiva Peripheral Driver Library. // //***************************************************************************** #ifndef __DRIVERLIB_FPU_H__ #define __DRIVERLIB_FPU_H__ //***************************************************************************** // // If building with a C++ compiler, make all of the definitions in this header // have a C binding. // //***************************************************************************** #ifdef __cplusplus extern "C" { #endif //***************************************************************************** // // Values that can be passed to FPUHalfPrecisionSet as the ui32Mode parameter. // //***************************************************************************** #define FPU_HALF_IEEE 0x00000000 #define FPU_HALF_ALTERNATE 0x04000000 //***************************************************************************** // // Values that can be passed to FPUNaNModeSet as the ui32Mode parameter. // //***************************************************************************** #define FPU_NAN_PROPAGATE 0x00000000 #define FPU_NAN_DEFAULT 0x02000000 //***************************************************************************** // // Values that can be passed to FPUFlushToZeroModeSet as the ui32Mode // parameter. // //***************************************************************************** #define FPU_FLUSH_TO_ZERO_DIS 0x00000000 #define FPU_FLUSH_TO_ZERO_EN 0x01000000 //***************************************************************************** // // Values that can be passed to FPURoundingModeSet as the ui32Mode parameter. // //***************************************************************************** #define FPU_ROUND_NEAREST 0x00000000 #define FPU_ROUND_POS_INF 0x00400000 #define FPU_ROUND_NEG_INF 0x00800000 #define FPU_ROUND_ZERO 0x00c00000 //***************************************************************************** // // Prototypes. // //***************************************************************************** extern void FPUEnable(void); extern void FPUDisable(void); extern void FPUStackingEnable(void); extern void FPULazyStackingEnable(void); extern void FPUStackingDisable(void); extern void FPUHalfPrecisionModeSet(uint32_t ui32Mode); extern void FPUNaNModeSet(uint32_t ui32Mode); extern void FPUFlushToZeroModeSet(uint32_t ui32Mode); extern void FPURoundingModeSet(uint32_t ui32Mode); //***************************************************************************** // // Mark the end of the C bindings section for C++ compilers. // //***************************************************************************** #ifdef __cplusplus } #endif #endif // __DRIVERLIB_FPU_H__