From 02b55a6f35cb189aded5bcf31dae092df60cd3de Mon Sep 17 00:00:00 2001
From: Kevin Trogant <kevin_trog@proton.me>
Date: Fri, 9 Jan 2026 18:40:38 +0100
Subject: [PATCH] add parse to f64/f32

---
 rtcore.h | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/rtcore.h b/rtcore.h
index 321c585..780c435 100644
--- a/rtcore.h
+++ b/rtcore.h
@@ -260,11 +260,25 @@ typedef struct
 	i32 i;
 	b32 ok;
 } s8_parse_i32_result;
+typedef struct
+{
+	f64 f;
+	b32 ok;
+} s8_parse_f64_result;
+typedef struct
+{
+	f32 f;
+	b32 ok;
+} s8_parse_f32_result;
 
 /* Parses a integer from string s */
 RTC_API s8_parse_i64_result S8ParseI64(s8 s, int base);
 /* Parses an integer from string s */
 RTC_API s8_parse_i32_result S8ParseI32(s8 s, int base);
+/* Parses a float from string s */
+RTC_API s8_parse_f64_result S8ParseF64(s8 s);
+/* Parses a float from string s */
+RTC_API s8_parse_f32_result S8ParseF32(s8 s);
 
 /* Basic file io */
 typedef struct file_buffer
@@ -415,6 +429,8 @@ RTC_API THREAD_RETURN_TYPE JoinThread(thread *t);
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
+#include <errno.h>
 
 #ifdef __linux__
 	#include <pthread.h>
@@ -628,6 +644,22 @@ S8ParseI32(s8 s, int base)
 		.ok = 1,
 	};
 }
+RTC_API s8_parse_f64_result
+S8ParseF64(s8 s)
+{
+	f64 f = strtod((const char *)s.data, NULL);
+	if (errno == ERANGE)
+		return (s8_parse_f64_result){.f = 0.0, .ok = 0};
+	return (s8_parse_f64_result){.f = f, .ok = 1};
+}
+RTC_API s8_parse_f32_result
+S8ParseF32(s8 s)
+{
+	f32 f = strtof((const char *)s.data, NULL);
+	if (errno == ERANGE)
+		return (s8_parse_f32_result){.f = 0.0, .ok = 0};
+	return (s8_parse_f32_result){.f = f, .ok = 1};
+}
 
 /* Basic file io */
 RTC_API file_buffer