math - sin v/s sinf function in C - Stack Overflow
Jan 10, 2017 · sinf() was added to C in C99, which Microsoft Visual C++ does not fully support (even so, Visual C++ 6 was released before C99 was standardized). You can use the sin() …
c++ - `cosf`, `sinf`, etc. are not in `std` - Stack Overflow
Jun 3, 2019 · `cosf`, `sinf`, etc. are not in `std` [duplicate] Asked 6 years, 6 months ago Modified 6 years, 6 months ago Viewed 5k times
Float inputs for which sinf and sin return different results?
Oct 6, 2021 · I'm trying to understand something about sin and sinf from math.h. I understand that their types differ: the former takes and returns doubles, and the latter takes and returns floats. …
math - Fastest implementation of sine, cosine and square root in …
Sep 6, 2013 · The standard C sinf () and cosf () functions are terribly slow and offer much more precision than what we actually need. What we really want is an approximation that offers the …
math.h - Sinf - Does it exist in C++? - Stack Overflow
Feb 1, 2012 · I was curious to know whether or not the sinf function existed in C++ through including math.h. When viewing my auto-completion in Qt Creator, it doesn't appear to pop up. …
Any performance difference between sinf(), cosf() and sin(), cos()
Apr 23, 2013 · float x = 1.23; float y = sin(x); Or does rounding rule preclude such an optimization? It'd be easy enough to just do a search-and-replace and see whether there's any …
c - sinf () faster than sin () in <math.h>? - Stack Overflow
0.000001 0.000505, 0.479426 0.000300, 0.479426 The question is the same, why using sin () with a float is faster than using the proper function sinf () ? Thanks !
__builtin_sinf What is it? Where is it? How do I obtain the ...
Jun 6, 2022 · Can anyone offer any explaination as to what __builtin_sinf is, where it is located if it exists in a file on my system, and finally how to obtain the disassembly of this function?
undefined reference to `cosf' `sinf' - STMicroelectronics
Feb 10, 2020 · Need to look more carefully at what library, and paths, it is pulling them from. Need to make sure you're not using a lite library lacking standard C math functions. Check also …
Generating SPWM - code optimization - STMicroelectronics
Oct 3, 2022 · Hi, I'm working on a project to generate a 3phase sinusoidal pwm. F_fundemnetal = 0.1 - 100 Hz F_sw = 1-100 kHz. I would like to calculate the PWM values on the fly if possible …